18288 + Interview Questions in Biology

1.	Q48. With reference to sedimentary basin, which of the following statements is/are correct? 1. Sedimentary basins are widespread Onshore primarily. 2. They are the location for almost all of the world's hydrocarbon reserves. Which of the above statement(s) is/are correct?
Answer» Q48. With reference to sedimentary basin, which of the following statements is/are correct? 1. Sedimentary basins are widespread Onshore primarily. 2. They are the location for almost all of the world's hydrocarbon reserves. Which of the above statement(s) is/are correct?

1.

Q48. With reference to sedimentary basin, which of the following statements is/are correct? 1. Sedimentary basins are widespread Onshore primarily. 2. They are the location for almost all of the world's hydrocarbon reserves. Which of the above statement(s) is/are correct?

Answer»

Q48. With reference to sedimentary basin, which of the following statements is/are correct?

1. Sedimentary basins are widespread Onshore primarily.

2. They are the location for almost all of the world's hydrocarbon reserves.

Which of the above statement(s) is/are correct?

2.	What is aster
Answer» What is aster

Discussion

3.	When a wheat variety of red kernels is crossed with white kerneled wheat, the F2 ratio would be (it is a polygenic trait controlled by 2 pairs of polygenes).
Answer» When a wheat variety of red kernels is crossed with white kerneled wheat, the F₂ ratio would be (it is a polygenic trait controlled by 2 pairs of polygenes).

Discussion

4.	why is that the eye of the octopus and mammals come under analogous structure when its basic structure is same? If brains of fish and mammals can come under homologous structures because of its basic structure then why not the eye?
Answer» why is that the eye of the octopus and mammals come under analogous structure when its basic structure is same? If brains of fish and mammals can come under homologous structures because of its basic structure then why not the eye?

Discussion

5.	In humans, the teeth are a. with pointed margins forming sharp cutting crowns b. In multicuspid condition C. having short crown with deep roots d. small, seperate and rounded for girdling MY PROBLEM Humans molar are in multicuspid condition They have short crown with deep roots (Brachydont) They also have small, seperate and rounded for girdling Answer should be option b,C and d But book Answer is option d WHY?
Answer» In humans, the teeth are a. with pointed margins forming sharp cutting crowns b. In multicuspid condition C. having short crown with deep roots d. small, seperate and rounded for girdling MY PROBLEM Humans molar are in multicuspid condition They have short crown with deep roots (Brachydont) They also have small, seperate and rounded for girdling Answer should be option b,C and d But book Answer is option d WHY?

Discussion

6.	How one can distinguish living out of non living (without considering defining and non defining feature of life)????
Answer» How one can distinguish living out of non living (without considering defining and non defining feature of life)????

Discussion

7.	Write down the biochemical events in the mechanism of muscle contraction
Answer» Write down the biochemical events in the mechanism of muscle contraction

Discussion

8.	Read the given statements and choose the correct option: I.Kidney is located on either side of the vertebral column II.Lateral surface of kidney is concave III.Medial surface of the kidney is convex IV. Left kidney sits a bit lower than the right
Answer» Read the given statements and choose the correct option: I.Kidney is located on either side of the vertebral column II.Lateral surface of kidney is concave III.Medial surface of the kidney is convex IV. Left kidney sits a bit lower than the right

Discussion

9.	What is meant bonous? I have seen this word while playing quizzo.. for the question : what is the another name for skull? And the options are bonous , cranium, fibula and patella . Answer is cranium.
Answer» What is meant bonous? I have seen this word while playing quizzo.. for the question : what is the another name for skull? And the options are bonous , cranium, fibula and patella . Answer is cranium.

Discussion

10.	Cotyledons shrivel, turn green and fall off in the last stages of epigeal germination. Give reason and explain the entire process.
Answer» Cotyledons shrivel, turn green and fall off in the last stages of epigeal germination. Give reason and explain the entire process.

Discussion

11.	Why doesn't natural selection lead to the evolution of totally harmless parasites?
Answer» Why doesn't natural selection lead to the evolution of totally harmless parasites?

Discussion

12.	Why harbarium sheets are not applicable (not used)for animals??...🤔
Answer» Why harbarium sheets are not applicable (not used)for animals??...🤔

Discussion

13.	Name atleast two hormones which result in fluctuation of Ca2+ level.
Answer» Name atleast two hormones which result in fluctuation of $C a^{2 +}$ level.

Discussion

14.	Which region among the following is known as a 'Biodiversity hotspot'?
Answer» Which region among the following is known as a 'Biodiversity hotspot'?

Discussion

15.	Cultivation of a single crop on a given tract of land leads eventually to decreased yields. One reason for this is that harmful bacterial phytopathogens, organisms parasitic on plant hosts, increase in the soil surrounding plant roots. The problem can be cured by crop rotation, denying the pathogens a suitable host for a period of time. However, even if crops are not rotated, the severity of diseases brought on by such phytopathogens often decreases after a number of years as the microbial population of the soil changes and the soil becomes “suppressive” to those diseases. While there may be many reasons for this phenomenon, it is clear that levels of certain bacteria, such as Pseudomonas fluorescens, a bacterium antagonistic to a number of harmful phytopathogens, are greater in suppressive than in nonsuppressive soil. This suggests that the presence of such bacteria suppresses phytopathogens. There is now considerable experimental support for this view. Wheat yield increases of 27 percent have been obtained in field trials by treatment of wheat seeds with fluorescent pseudomonads. Similar treatment of sugar beets, cotton, and potatoes has had similar results. These improvements in crop yields through the application of Pseudomonas fluorescenssuggest that agriculture could benefit from the use of bacteria genetically altered for specific purposes. For example, a form of phytopathogen altered to remove its harmful properties could be released into the environment in quantities favorable to its competing with and eventually excluding the harmful normal strain. Some experiments suggest that deliberately releasing altered nonpathogenic Pseudomonas syringae could crowd out (crowd out: the nonaltered variety that causes frost damage. Opponents of such research have objected that the deliberate and large-scale release of genetically altered bacteria might have deleterious results. Proponents, on the other hand, argue that this particular strain is altered only by the removal of the gene responsible for the strain’s propensity to cause frost damage, thereby rendering it safer than the phytopathogen from which it was derived. Some proponents have gone further and suggest that genetic alteration techniques could create organisms with totally new combinations of desirable traits not found in nature. For example, genes responsible for production of insecticidal compounds have been transposed from other bacteria into pseudomonads that colonize corn roots. Experiments of this kind are difficult and require great care: such bacteria are developed in highly artificial environments and may not compete well with natural soil bacteria. Nevertheless, proponents contend that the prospects for improved agriculture through such methods seem excellent. These prospects lead many to hope that current efforts to assess the risks of deliberate release of altered microorganisms will successfully answer the concerns of opponents and create a climate in which such research can go forward without undue impediment. Q29. It can be inferred from the passage that crop rotation can increase yields in part because
Answer» Cultivation of a single crop on a given tract of land leads eventually to decreased yields. One reason for this is that harmful bacterial phytopathogens, organisms parasitic on plant hosts, increase in the soil surrounding plant roots. The problem can be cured by crop rotation, denying the pathogens a suitable host for a period of time. However, even if crops are not rotated, the severity of diseases brought on by such phytopathogens often decreases after a number of years as the microbial population of the soil changes and the soil becomes “suppressive” to those diseases. While there may be many reasons for this phenomenon, it is clear that levels of certain bacteria, such as Pseudomonas fluorescens, a bacterium antagonistic to a number of harmful phytopathogens, are greater in suppressive than in nonsuppressive soil. This suggests that the presence of such bacteria suppresses phytopathogens. There is now considerable experimental support for this view. Wheat yield increases of 27 percent have been obtained in field trials by treatment of wheat seeds with fluorescent pseudomonads. Similar treatment of sugar beets, cotton, and potatoes has had similar results. These improvements in crop yields through the application of Pseudomonas fluorescenssuggest that agriculture could benefit from the use of bacteria genetically altered for specific purposes. For example, a form of phytopathogen altered to remove its harmful properties could be released into the environment in quantities favorable to its competing with and eventually excluding the harmful normal strain. Some experiments suggest that deliberately releasing altered nonpathogenic Pseudomonas syringae could crowd out (crowd out: the nonaltered variety that causes frost damage. Opponents of such research have objected that the deliberate and large-scale release of genetically altered bacteria might have deleterious results. Proponents, on the other hand, argue that this particular strain is altered only by the removal of the gene responsible for the strain’s propensity to cause frost damage, thereby rendering it safer than the phytopathogen from which it was derived. Some proponents have gone further and suggest that genetic alteration techniques could create organisms with totally new combinations of desirable traits not found in nature. For example, genes responsible for production of insecticidal compounds have been transposed from other bacteria into pseudomonads that colonize corn roots. Experiments of this kind are difficult and require great care: such bacteria are developed in highly artificial environments and may not compete well with natural soil bacteria. Nevertheless, proponents contend that the prospects for improved agriculture through such methods seem excellent. These prospects lead many to hope that current efforts to assess the risks of deliberate release of altered microorganisms will successfully answer the concerns of opponents and create a climate in which such research can go forward without undue impediment. Q29. It can be inferred from the passage that crop rotation can increase yields in part because

15.

Cultivation of a single crop on a given tract of land leads eventually to decreased yields. One reason for this is that harmful bacterial phytopathogens, organisms parasitic on plant hosts, increase in the soil surrounding plant roots. The problem can be cured by crop rotation, denying the pathogens a suitable host for a period of time. However, even if crops are not rotated, the severity of diseases brought on by such phytopathogens often decreases after a number of years as the microbial population of the soil changes and the soil becomes “suppressive” to those diseases. While there may be many reasons for this phenomenon, it is clear that levels of certain bacteria, such as Pseudomonas fluorescens, a bacterium antagonistic to a number of harmful phytopathogens, are greater in suppressive than in nonsuppressive soil. This suggests that the presence of such bacteria suppresses phytopathogens. There is now considerable experimental support for this view. Wheat yield increases of 27 percent have been obtained in field trials by treatment of wheat seeds with fluorescent pseudomonads. Similar treatment of sugar beets, cotton, and potatoes has had similar results. These improvements in crop yields through the application of Pseudomonas fluorescenssuggest that agriculture could benefit from the use of bacteria genetically altered for specific purposes. For example, a form of phytopathogen altered to remove its harmful properties could be released into the environment in quantities favorable to its competing with and eventually excluding the harmful normal strain. Some experiments suggest that deliberately releasing altered nonpathogenic Pseudomonas syringae could crowd out (crowd out: the nonaltered variety that causes frost damage. Opponents of such research have objected that the deliberate and large-scale release of genetically altered bacteria might have deleterious results. Proponents, on the other hand, argue that this particular strain is altered only by the removal of the gene responsible for the strain’s propensity to cause frost damage, thereby rendering it safer than the phytopathogen from which it was derived. Some proponents have gone further and suggest that genetic alteration techniques could create organisms with totally new combinations of desirable traits not found in nature. For example, genes responsible for production of insecticidal compounds have been transposed from other bacteria into pseudomonads that colonize corn roots. Experiments of this kind are difficult and require great care: such bacteria are developed in highly artificial environments and may not compete well with natural soil bacteria. Nevertheless, proponents contend that the prospects for improved agriculture through such methods seem excellent. These prospects lead many to hope that current efforts to assess the risks of deliberate release of altered microorganisms will successfully answer the concerns of opponents and create a climate in which such research can go forward without undue impediment. Q29. It can be inferred from the passage that crop rotation can increase yields in part because

Answer»

Cultivation of a single crop on a given tract of land leads eventually to decreased yields. One reason for this is that harmful bacterial phytopathogens, organisms parasitic on plant hosts, increase in the soil surrounding plant roots. The problem can be cured by crop rotation, denying the pathogens a suitable host for a period of time. However, even if crops are not rotated, the severity of diseases brought on by such phytopathogens often decreases after a number of years as the microbial population of the soil changes and the soil becomes “suppressive” to those diseases. While there may be many reasons for this phenomenon, it is clear that levels of certain bacteria, such as Pseudomonas fluorescens, a bacterium antagonistic to a number of harmful phytopathogens, are greater in suppressive than in nonsuppressive soil. This suggests that the presence of such bacteria suppresses phytopathogens. There is now considerable experimental support for this view. Wheat yield increases of 27 percent have been obtained in field trials by treatment of wheat seeds with fluorescent pseudomonads. Similar treatment of sugar beets, cotton, and potatoes has had similar results.

These improvements in crop yields through the application of Pseudomonas fluorescenssuggest that agriculture could benefit from the use of bacteria genetically altered for specific purposes. For example, a form of phytopathogen altered to remove its harmful properties could be released into the environment in quantities favorable to its competing with and eventually excluding the harmful normal strain. Some experiments suggest that deliberately releasing altered nonpathogenic Pseudomonas syringae could crowd out (crowd out: the nonaltered variety that causes frost damage. Opponents of such research have objected that the deliberate and large-scale release of genetically altered bacteria might have deleterious results. Proponents, on the other hand, argue that this particular strain is altered only by the removal of the gene responsible for the strain’s propensity to cause frost damage, thereby rendering it safer than the phytopathogen from which it was derived.

Some proponents have gone further and suggest that genetic alteration techniques could create organisms with totally new combinations of desirable traits not found in nature. For example, genes responsible for production of insecticidal compounds have been transposed from other bacteria into pseudomonads that colonize corn roots. Experiments of this kind are difficult and require great care: such bacteria are developed in highly artificial environments and may not compete well with natural soil bacteria. Nevertheless, proponents contend that the prospects for improved agriculture through such methods seem excellent. These prospects lead many to hope that current efforts to assess the risks of deliberate release of altered microorganisms will successfully answer the concerns of opponents and create a climate in which such research can go forward without undue impediment.

Q29. It can be inferred from the passage that crop rotation can increase yields in part because

Discussion

16.	The milky water in tender coconut is __ endosperm.
Answer» The milky water in tender coconut is __ endosperm.

Discussion

17.	The second commitment period of Kyoto Protocol was extended from
Answer» The second commitment period of Kyoto Protocol was extended from

Discussion

18.	Which is a ‘rootless fern’?
Answer» Which is a ‘rootless fern’?

Discussion

19.	Choose the correct option to fill in the blanks: The term Protein is derived from a Greek word called (i)______ which was coined by (ii)______. Every protein has basic units called (iii)_______ and the most abundant protein in the human body is (iv)______.
Answer» Choose the correct option to fill in the blanks: The term Protein is derived from a Greek word called (i)______ which was coined by (ii)______. Every protein has basic units called (iii)_______ and the most abundant protein in the human body is (iv)______.

Discussion

20.	The test to identify the presence of proteins by detecting the peptide bonds is called (i)______. And the test used in forensic science for the identification of fingerprints is (ii)_______.
Answer» The test to identify the presence of proteins by detecting the peptide bonds is called (i)______. And the test used in forensic science for the identification of fingerprints is (ii)_______.

Discussion

21.	Arthropods make up around ___ of all the invertebrate species that have been identified.
Answer» Arthropods make up around ___ of all the invertebrate species that have been identified.

Discussion

22.	Tapetum occurs in
Answer» Tapetum occurs in

Discussion

23.	The phenomenon of elongation of stem in the plants with rosette habit is known as
Answer» The phenomenon of elongation of stem in the plants with rosette habit is known as

Discussion

24.	A fruit developed from hypanthodium inflorescence is called:
Answer» A fruit developed from hypanthodium inflorescence is called:

Discussion

25.	70 S ribosomes are found in
Answer» 70 S ribosomes are found in

Discussion

26.	Which of the following has a closed circulatory system?
Answer» Which of the following has a closed circulatory system?

Discussion

27.	Mention the substances that exit from the tubules in order to maintain a concentration gradient in the medullary interstitium.
Answer» Mention the substances that exit from the tubules in order to maintain a concentration gradient in the medullary interstitium.

Discussion

28.	Why do we need to classify drugs in different ways
Answer» Why do we need to classify drugs in different ways

Discussion

29.	A chemical signal that has both endocrine and neural roles is:
Answer» A chemical signal that has both endocrine and neural roles is:

Discussion

30.	Which of the following is an example of Anabolic pathway?
Answer» Which of the following is an example of Anabolic pathway?

Discussion

31.	Which property is represented by the following figure;
Answer» Which property is represented by the following figure;

Discussion

32.	Question 11 Which of the following statement is not true for plasma membrane? (a) It is present in both plant and animal cell (b) Lipid is present as a bilayer in it (c) Proteins are present integrated as well as loosely associated with the lipid bilayer (d) Carbohydrate is never found in it
Answer» Question 11 Which of the following statement is not true for plasma membrane? (a) It is present in both plant and animal cell (b) Lipid is present as a bilayer in it (c) Proteins are present integrated as well as loosely associated with the lipid bilayer (d) Carbohydrate is never found in it

32.

Question 11 Which of the following statement is not true for plasma membrane? (a) It is present in both plant and animal cell (b) Lipid is present as a bilayer in it (c) Proteins are present integrated as well as loosely associated with the lipid bilayer (d) Carbohydrate is never found in it

Answer»

Question 11

Which of the following statement is not true for plasma membrane?

(a) It is present in both plant and animal cell

(b) Lipid is present as a bilayer in it

(c) Proteins are present integrated as well as loosely associated with the lipid bilayer

(d) Carbohydrate is never found in it

Discussion

33.	A broad spectrum antibiotic is:
Answer» A broad spectrum antibiotic is:

Discussion

34.	The involuntary muscles associated with visceral organs that aid in rhythmic movements of the body are termed as _____
Answer» The involuntary muscles associated with visceral organs that aid in rhythmic movements of the body are termed as _____

Discussion

35.	Biogas is produced under _____________ conditions by fermentation of biological materials.
Answer» Biogas is produced under _____________ conditions by fermentation of biological materials.

Discussion

36.	Which among the following taxons include genera with similar characteristics?
Answer» Which among the following taxons include genera with similar characteristics?

Discussion

37.	Morphine is obtained from
Answer» Morphine is obtained from

Discussion

38.	The organs in excretory system of cockroach, associated with conversion of nitrogenous excretory substances into uric acid are _____.
Answer» The organs in excretory system of cockroach, associated with conversion of nitrogenous excretory substances into uric acid are _____.

Discussion

39.	C3 photosynthesis gains its name because
Answer» C3 photosynthesis gains its name because

Discussion

40.	Which of the following statements is NOT correct about photosynthesis?
Answer» Which of the following statements is NOT correct about photosynthesis?

Discussion

41.	How do biofertilisers enrich the fertility of the soil?
Answer» How do biofertilisers enrich the fertility of the soil?

Discussion

42.	Explain micturition.
Answer» Explain micturition.

Discussion

43.	Aster formation can take place only when
Answer» Aster formation can take place only when

Discussion

44.	Mention two strategies evolved to prevent self-pollination in flowers.
Answer» Mention two strategies evolved to prevent self-pollination in flowers.

Discussion

45.	State whether true or false (i) Gastrointestinal tract, kidney and heart also produce hormones. (ii) Pars distalis produces six trophic hormones. (iii) B-lymphocytes provide cell-mediated immunity. (iv) Insulin resistance results in a disease called diabetes mellitus.
Answer» State whether true or false (i) Gastrointestinal tract, kidney and heart also produce hormones. (ii) Pars distalis produces six trophic hormones. (iii) B-lymphocytes provide cell-mediated immunity. (iv) Insulin resistance results in a disease called diabetes mellitus.

45.

State whether true or false (i) Gastrointestinal tract, kidney and heart also produce hormones. (ii) Pars distalis produces six trophic hormones. (iii) B-lymphocytes provide cell-mediated immunity. (iv) Insulin resistance results in a disease called diabetes mellitus.

Answer»

State whether true or false

(i) Gastrointestinal tract, kidney and heart also produce hormones.

(ii) Pars distalis produces six trophic hormones.

(iii) B-lymphocytes provide cell-mediated immunity.

(iv) Insulin resistance results in a disease called diabetes mellitus.

Discussion

46.	Define the following terms and give one example of each: (1) Commensalism (2) Parasitism (3) Camouflage (4) Mutualism (5) Interspecific competition
Answer» Define the following terms and give one example of each: (1) Commensalism (2) Parasitism (3) Camouflage (4) Mutualism (5) Interspecific competition

46.

Define the following terms and give one example of each: (1) Commensalism (2) Parasitism (3) Camouflage (4) Mutualism (5) Interspecific competition

Answer»

Define the following terms and give one example of each:

(1) Commensalism

(2) Parasitism

(3) Camouflage

(4) Mutualism

(5) Interspecific competition

Discussion

47.	Latex vessels are found in I. Calotropis II. Hevea III. Oleander IV. Papaya
Answer» Latex vessels are found in I. Calotropis II. Hevea III. Oleander IV. Papaya

47.

Latex vessels are found in I. Calotropis II. Hevea III. Oleander IV. Papaya

Answer»

Latex vessels are found in

I. Calotropis
II. Hevea
III. Oleander
IV. Papaya

Discussion

48.	(a) Explain post pollination events leading to seed production in angiosperms (b) List the different types of pollination depending on the source of pollen grain [5]
Answer» (a) Explain post pollination events leading to seed production in angiosperms (b) List the different types of pollination depending on the source of pollen grain [5]

Discussion

49.	In old age, people often suffer from stiff and inflamed joints. What is this condition called? What are the possible reasons for these symptoms?
Answer» In old age, people often suffer from stiff and inflamed joints. What is this condition called? What are the possible reasons for these symptoms?

Discussion

50.	Synapsis of homologous chromosomes takes place during:
Answer» Synapsis of homologous chromosomes takes place during:

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Q48. With reference to sedimentary basin, which of the following statements is/are correct? 1. Sedimentary basins are widespread Onshore primarily. 2. They are the location for almost all of the world's hydrocarbon reserves. Which of the above statement(s) is/are correct?

What is aster

When a wheat variety of red kernels is crossed with white kerneled wheat, the F2 ratio would be (it is a polygenic trait controlled by 2 pairs of polygenes).

why is that the eye of the octopus and mammals come under analogous structure when its basic structure is same? If brains of fish and mammals can come under homologous structures because of its basic structure then why not the eye?

How one can distinguish living out of non living (without considering defining and non defining feature of life)????

Write down the biochemical events in the mechanism of muscle contraction

Read the given statements and choose the correct option: I.Kidney is located on either side of the vertebral column II.Lateral surface of kidney is concave III.Medial surface of the kidney is convex IV. Left kidney sits a bit lower than the right

What is meant bonous? I have seen this word while playing quizzo.. for the question : what is the another name for skull? And the options are bonous , cranium, fibula and patella . Answer is cranium.

Cotyledons shrivel, turn green and fall off in the last stages of epigeal germination. Give reason and explain the entire process.

Why doesn't natural selection lead to the evolution of totally harmless parasites?

Why harbarium sheets are not applicable (not used)for animals??...🤔

Name atleast two hormones which result in fluctuation of Ca2+ level.

Which region among the following is known as a 'Biodiversity hotspot'?

The milky water in tender coconut is __ endosperm.

The second commitment period of Kyoto Protocol was extended from

Which is a ‘rootless fern’?

Choose the correct option to fill in the blanks: The term Protein is derived from a Greek word called (i)______ which was coined by (ii)______. Every protein has basic units called (iii)_______ and the most abundant protein in the human body is (iv)______.

The test to identify the presence of proteins by detecting the peptide bonds is called (i)______. And the test used in forensic science for the identification of fingerprints is (ii)_______.

Arthropods make up around ___ of all the invertebrate species that have been identified.

Tapetum occurs in

The phenomenon of elongation of stem in the plants with rosette habit is known as

A fruit developed from hypanthodium inflorescence is called:

70 S ribosomes are found in

Which of the following has a closed circulatory system?

Mention the substances that exit from the tubules in order to maintain a concentration gradient in the medullary interstitium.

Why do we need to classify drugs in different ways

A chemical signal that has both endocrine and neural roles is:

Which of the following is an example of Anabolic pathway?

Which property is represented by the following figure;

Question 11 Which of the following statement is not true for plasma membrane? (a) It is present in both plant and animal cell (b) Lipid is present as a bilayer in it (c) Proteins are present integrated as well as loosely associated with the lipid bilayer (d) Carbohydrate is never found in it

A broad spectrum antibiotic is:

The involuntary muscles associated with visceral organs that aid in rhythmic movements of the body are termed as _____

Biogas is produced under _____________ conditions by fermentation of biological materials.

Which among the following taxons include genera with similar characteristics?

Morphine is obtained from

The organs in excretory system of cockroach, associated with conversion of nitrogenous excretory substances into uric acid are _____.

C3 photosynthesis gains its name because

Which of the following statements is NOT correct about photosynthesis?

How do biofertilisers enrich the fertility of the soil?

Explain micturition.

Aster formation can take place only when

Mention two strategies evolved to prevent self-pollination in flowers.

State whether true or false (i) Gastrointestinal tract, kidney and heart also produce hormones. (ii) Pars distalis produces six trophic hormones. (iii) B-lymphocytes provide cell-mediated immunity. (iv) Insulin resistance results in a disease called diabetes mellitus.

Define the following terms and give one example of each: (1) Commensalism (2) Parasitism (3) Camouflage (4) Mutualism (5) Interspecific competition

Latex vessels are found in I. Calotropis II. Hevea III. Oleander IV. Papaya

(a) Explain post pollination events leading to seed production in angiosperms (b) List the different types of pollination depending on the source of pollen grain [5]

In old age, people often suffer from stiff and inflamed joints. What is this condition called? What are the possible reasons for these symptoms?

Synapsis of homologous chromosomes takes place during:

Choose the correct option to fill in the blanks: The term Protein is derived from a Greek word called (i)__ which was coined by (ii). Every protein has basic units called (iii)_ and the most abundant protein in the human body is (iv)__.

The test to identify the presence of proteins by detecting the peptide bonds is called (i). And the test used in forensic science for the identification of fingerprints is (ii)_.