18288 + Interview Questions in Biology

1.	Read the following statements I) Directional selection occurs when natural selection favours one extreme of continuous variation. II)Disruptive selection occurs when natural selection favours both extremes of continuous variation. III) In directional selection, a population's genetic variance shifts toward a new phenotype when exposed to environmental changes. IV)Random changes in gene frequencies due to chance in large population is called genetic drift. True statements are
Answer» Read the following statements I) Directional selection occurs when natural selection favours one extreme of continuous variation. II)Disruptive selection occurs when natural selection favours both extremes of continuous variation. III) In directional selection, a population's genetic variance shifts toward a new phenotype when exposed to environmental changes. IV)Random changes in gene frequencies due to chance in large population is called genetic drift. True statements are

Discussion

2.	In a healthy adult man, the normal diastolic pressure is __________mm Hg:
Answer» In a healthy adult man, the normal diastolic pressure is __________mm Hg:

Discussion

3.	Which element is incorrectly matched with its function in the plant?
Answer» Which element is incorrectly matched with its function in the plant?

Discussion

4.	In a 3.2 Kbp long piece of DNA, 820 adenine bases were found. What would be the number cytosine bases?
Answer» In a 3.2 Kbp long piece of DNA, 820 adenine bases were found. What would be the number cytosine bases?

Discussion

5.	Assertion: Deficiency of sulphur causes chlorosis in plants. Reason: Sulphur is a constituent of chlorophyll, proteins and nucleic acids.
Answer» Assertion: Deficiency of sulphur causes chlorosis in plants. Reason: Sulphur is a constituent of chlorophyll, proteins and nucleic acids.

5.

Assertion: Deficiency of sulphur causes chlorosis in plants. Reason: Sulphur is a constituent of chlorophyll, proteins and nucleic acids.

Answer»

Assertion: Deficiency of sulphur causes chlorosis in plants.

Reason: Sulphur is a constituent of chlorophyll, proteins and nucleic acids.

Discussion

6.	With the help of a flow chart, show the phenomenon of biomagnification of DDT in an aquatic food chain. [3]
Answer» With the help of a flow chart, show the phenomenon of biomagnification of DDT in an aquatic food chain. [3]

Discussion

7.	Silk is a plant fibre or an animal fibre?
Answer» Silk is a plant fibre or an animal fibre?

Discussion

8.	_____________ muscles line urethral opening:
Answer» _____________ muscles line urethral opening:

Discussion

9.	Amount of glomerular filtrate formed per day is
Answer» Amount of glomerular filtrate formed per day is

Discussion

10.	The natural plant hormones were first isolated from
Answer» The natural plant hormones were first isolated from

Discussion

11.	Enzymes belong to the class of compounds called:
Answer» Enzymes belong to the class of compounds called:

Discussion

12.	What is triple fusion? Where and how does it take place? Name the nuclei involved in triple fusion.
Answer» What is triple fusion? Where and how does it take place? Name the nuclei involved in triple fusion.

Discussion

13.	The above floral diagram shows the floral formula
Answer» The above floral diagram shows the floral formula

Discussion

14.	Cu ions released from copper-T Intra Uterine Devices (IUDs) control birth by: (1) Inhibiting ovulation Sperm phagocytosis Inhibiting implantation Suppressing sperm motility
Answer» Cu ions released from copper-T Intra Uterine Devices (IUDs) control birth by: (1) Inhibiting ovulation Sperm phagocytosis Inhibiting implantation Suppressing sperm motility

Discussion

15.	What are the reasons that you can think of for the arthropods to constitute the largest group of the animal kingdom?
Answer» What are the reasons that you can think of for the arthropods to constitute the largest group of the animal kingdom?

Discussion

16.	_____ is not a part of the forebrain.
Answer» _____ is not a part of the forebrain.

Discussion

17.	During cleavage, nucleocytoplasmic ratio is a) maintained b)decreased c)increased d)variable
Answer» During cleavage, nucleocytoplasmic ratio is a) maintained b)decreased c)increased d)variable

Discussion

18.	Which of the following is/are true?
Answer» Which of the following is/are true?

Discussion

19.	After tubectomy which part of the female reproductive system remains blocked?
Answer» After tubectomy which part of the female reproductive system remains blocked?

Discussion

20.	In grassland ecosystem, the pyramid of biomass is
Answer» In grassland ecosystem, the pyramid of biomass is

Discussion

21.	Choose the incorrect statement.
Answer» Choose the incorrect statement.

Discussion

22.	The binomial system of nomenclature was accepted by all after the publication of the work by
Answer» The binomial system of nomenclature was accepted by all after the publication of the work by

Discussion

23.	The only immediate source of energy for muscular contraction is
Answer» The only immediate source of energy for muscular contraction is

Discussion

24.	If in Ulothrix, holdfast is broken and detached, then the remaining part of the plant will
Answer» If in Ulothrix, holdfast is broken and detached, then the remaining part of the plant will

Discussion

25.	What are the three steps in the scientific method?
Answer» What are the three steps in the scientific method?

Discussion

26.	Which of following responses would you expect to see in response to high blood volume?
Answer» Which of following responses would you expect to see in response to high blood volume?

Discussion

27.	Your college campus, including the buildings, grounds, students, and all other organisms living there, could be considered a/an ________.
Answer» Your college campus, including the buildings, grounds, students, and all other organisms living there, could be considered a/an ________.

Discussion

28.	Among the following, where do you think the process of decomposition would be the fastest?
Answer» Among the following, where do you think the process of decomposition would be the fastest?

Discussion

29.	What does the following equation represent Glucose+2NAD++2ADP+2H3PO4→2 pyruvate+2NADH+2H++2ATP
Answer» What does the following equation represent $G l u c o s e + 2 N A D^{+} + 2 A D P + 2 H_{3} P O_{4} \to 2 p y r u v a t e + 2 N A D H + 2 H^{+} + 2 A T P$

Discussion

30.	The cells capable of producing fibres in areolar tissue are _____
Answer» The cells capable of producing fibres in areolar tissue are _____

Discussion

31.	Which tissue provides maximum mechanical strength to the plant
Answer» Which tissue provides maximum mechanical strength to the plant

Discussion

32.	Vernalization is applicable to plants like ______.
Answer» Vernalization is applicable to plants like ______.

Discussion

33.	In C4-plants, photosystem II is absent in chloroplasts of
Answer» In $C_{4}$ -plants, photosystem II is absent in chloroplasts of

Discussion

34.	If a double stranded DNA has 15% cytosine, what is the % of adenine in the DNA?
Answer» If a double stranded DNA has $15 %$ cytosine, what is the $%$ of adenine in the DNA?

Discussion

35.	Cells of Schwann are associated with ___ . Nervous tissueCartilage tissueConnective tissueMuscular tissue
Answer» Cells of Schwann are associated with ___ . Nervous tissue Cartilage tissue Connective tissue Muscular tissue

35.

Cells of Schwann are associated with ___ . Nervous tissueCartilage tissueConnective tissueMuscular tissue

Answer»

Cells of Schwann are associated with ___ .

Nervous tissue

Cartilage tissue

Connective tissue

Muscular tissue

Discussion

36.	Scientists isolated a restriction enzyme from Arthrobacter luteus for the first time and need to name it. Which of the following names do you think should be used?
Answer» Scientists isolated a restriction enzyme from Arthrobacter luteus for the first time and need to name it. Which of the following names do you think should be used?

Discussion

37.	The cambium is
Answer» The cambium is

Discussion

38.	In mitosis, terminalization process:
Answer» In mitosis, terminalization process:

Discussion

39.	Oxytocin and vasopressin are two hormones secreted by posterior lobe of pituitary. Removal of posterior pituitary from a mammalian brain will lead to
Answer» Oxytocin and vasopressin are two hormones secreted by posterior lobe of pituitary. Removal of posterior pituitary from a mammalian brain will lead to

Discussion

40.	Dentify the first step in allopatric speciation from the given options?
Answer» Dentify the first step in allopatric speciation from the given options?

Discussion

41.	Bryophytes comprise
Answer» Bryophytes comprise

Discussion

42.	Seed dormancy is due to the presence of
Answer» Seed dormancy is due to the presence of

Discussion

43.	A cross is made between true breeding lines of pea plants with axillary and terminal flowers. If 1240 progeny are obtained, how many plants are homozygous with axillary flowers and heterozygous with axillary flowers in the F2 generation?
Answer» A cross is made between true breeding lines of pea plants with axillary and terminal flowers. If 1240 progeny are obtained, how many plants are homozygous with axillary flowers and heterozygous with axillary flowers in the $F_{2}$ generation?

Discussion

44.	Gemmules produced by sponges during unfavorable conditions help in:
Answer» Gemmules produced by sponges during unfavorable conditions help in:

Discussion

45.	Question 28 What are plasmids? Describe their role in bacteria.
Answer» Question 28 What are plasmids? Describe their role in bacteria.

45.

Question 28 What are plasmids? Describe their role in bacteria.

Answer»

Question 28

What are plasmids? Describe their role in bacteria.

Discussion

46.	Regarding assertion and reason, choose the correct option. Assertion [A]: Partial pressure of oxygen is an important factor affecting binding. Reason [R]: The binding of oxygen with haemoglobin is primarily related to partial pressure.
Answer» Regarding assertion and reason, choose the correct option. Assertion [A]: Partial pressure of oxygen is an important factor affecting binding. Reason [R]: The binding of oxygen with haemoglobin is primarily related to partial pressure.

46.

Regarding assertion and reason, choose the correct option. Assertion [A]: Partial pressure of oxygen is an important factor affecting binding. Reason [R]: The binding of oxygen with haemoglobin is primarily related to partial pressure.

Answer»

Regarding assertion and reason, choose the correct option.

Assertion [A]: Partial pressure of oxygen is an important factor affecting binding.

Reason [R]: The binding of oxygen with haemoglobin is primarily related to partial pressure.

Discussion

47.	I read that photosynthesis is an anabolic pathway and respiration is catabolic pathway , but my doubt is, even in photosynthesis, in light phase the energy I mean ATP is released. then why we consider photosynthesis as an anabolic pathway?
Answer» I read that photosynthesis is an anabolic pathway and respiration is catabolic pathway , but my doubt is, even in photosynthesis, in light phase the energy I mean ATP is released. then why we consider photosynthesis as an anabolic pathway?

Discussion

48.	Is intercalary meristem absent in dicots? If not, give examples.
Answer» Is intercalary meristem absent in dicots? If not, give examples.

48.

Is intercalary meristem absent in dicots? If not, give examples.

Answer»

Is intercalary meristem absent in dicots?

If not, give examples.

Discussion

49.	The author's attitude toward Epstein's work is
Answer» The author's attitude toward Epstein's work is

Discussion

50.	G1, G2 and S phases are seen in which phase of the cell cycle?
Answer» G₁, G₂ and S phases are seen in which phase of the cell cycle?

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

In a healthy adult man, the normal diastolic pressure is __________mm Hg:

Which element is incorrectly matched with its function in the plant?

In a 3.2 Kbp long piece of DNA, 820 adenine bases were found. What would be the number cytosine bases?

Assertion: Deficiency of sulphur causes chlorosis in plants. Reason: Sulphur is a constituent of chlorophyll, proteins and nucleic acids.

With the help of a flow chart, show the phenomenon of biomagnification of DDT in an aquatic food chain. [3]

Silk is a plant fibre or an animal fibre?

_____________ muscles line urethral opening:

Amount of glomerular filtrate formed per day is

The natural plant hormones were first isolated from

Enzymes belong to the class of compounds called:

What is triple fusion? Where and how does it take place? Name the nuclei involved in triple fusion.

The above floral diagram shows the floral formula

Cu ions released from copper-T Intra Uterine Devices (IUDs) control birth by: (1) Inhibiting ovulation Sperm phagocytosis Inhibiting implantation Suppressing sperm motility

What are the reasons that you can think of for the arthropods to constitute the largest group of the animal kingdom?

_____ is not a part of the forebrain.

During cleavage, nucleocytoplasmic ratio is a) maintained b)decreased c)increased d)variable

Which of the following is/are true?

After tubectomy which part of the female reproductive system remains blocked?

In grassland ecosystem, the pyramid of biomass is

Choose the incorrect statement.

The binomial system of nomenclature was accepted by all after the publication of the work by

The only immediate source of energy for muscular contraction is

If in Ulothrix, holdfast is broken and detached, then the remaining part of the plant will

What are the three steps in the scientific method?

Which of following responses would you expect to see in response to high blood volume?

Your college campus, including the buildings, grounds, students, and all other organisms living there, could be considered a/an ________.

Among the following, where do you think the process of decomposition would be the fastest?

What does the following equation represent Glucose+2NAD++2ADP+2H3PO4→2 pyruvate+2NADH+2H++2ATP

The cells capable of producing fibres in areolar tissue are _____

Which tissue provides maximum mechanical strength to the plant

Vernalization is applicable to plants like ______.

In C4-plants, photosystem II is absent in chloroplasts of

If a double stranded DNA has 15% cytosine, what is the % of adenine in the DNA?

Cells of Schwann are associated with ___ . Nervous tissueCartilage tissueConnective tissueMuscular tissue

Scientists isolated a restriction enzyme from Arthrobacter luteus for the first time and need to name it. Which of the following names do you think should be used?

The cambium is

In mitosis, terminalization process:

Oxytocin and vasopressin are two hormones secreted by posterior lobe of pituitary. Removal of posterior pituitary from a mammalian brain will lead to

Dentify the first step in allopatric speciation from the given options?

Bryophytes comprise

Seed dormancy is due to the presence of

A cross is made between true breeding lines of pea plants with axillary and terminal flowers. If 1240 progeny are obtained, how many plants are homozygous with axillary flowers and heterozygous with axillary flowers in the F2 generation?

Gemmules produced by sponges during unfavorable conditions help in:

Question 28 What are plasmids? Describe their role in bacteria.

Regarding assertion and reason, choose the correct option. Assertion [A]: Partial pressure of oxygen is an important factor affecting binding. Reason [R]: The binding of oxygen with haemoglobin is primarily related to partial pressure.

I read that photosynthesis is an anabolic pathway and respiration is catabolic pathway , but my doubt is, even in photosynthesis, in light phase the energy I mean ATP is released. then why we consider photosynthesis as an anabolic pathway?

Is intercalary meristem absent in dicots? If not, give examples.

The author's attitude toward Epstein's work is

G1, G2 and S phases are seen in which phase of the cell cycle?