870 + Interview Questions in Biology

1.	Assertion (A) CO2 transport occurs very fast through RBCs.Reason (R) Enzyme carbonic anhydrase is absent in blood plasma.
Answer» Assertion (A) $C O_{2}$ transport occurs very fast through RBCs. Reason (R) Enzyme carbonic anhydrase is absent in blood plasma.

Discussion

2.	The number of live births per thousand persons in a year is termed as -
Answer» The number of live births per thousand persons in a year is termed as -

Discussion

3.	Long pointed sclerenchyma cells are
Answer» Long pointed sclerenchyma cells are

Discussion

4.	A mother is afflicted by Down’s syndrome caused by an extra copy of chromosome 21. Father is normal. Percentage of offspring affected by the disorder would be
Answer» A mother is afflicted by Down’s syndrome caused by an extra copy of chromosome 21. Father is normal. Percentage of offspring affected by the disorder would be

Discussion

5.	Embryo is not formed in ___.
Answer» Embryo is not formed in ___.

Discussion

6.	Winter varieties are usually planted in:
Answer» Winter varieties are usually planted in:

Discussion

7.	Which of the following arises from a permanent tissue
Answer» Which of the following arises from a permanent tissue

Discussion

8.	Plant growth regulator present in the sterile filtrates of the fungus?
Answer» Plant growth regulator present in the sterile filtrates of the fungus?

Discussion

9.	During the systolic phase of cardiac cycle, blood _____________.
Answer» During the systolic phase of cardiac cycle, blood _____________.

Discussion

10.	Statement 1: Nuclear membrane and the endoplasmic reticulum were originally formed from the invaginations of the cell membrane.Statement 2: Mitochondria and chloroplast are the results of a symbiotic association of bacteria with primitive pre-eukaryotic cells.
Answer» Statement 1: Nuclear membrane and the endoplasmic reticulum were originally formed from the invaginations of the cell membrane. Statement 2: Mitochondria and chloroplast are the results of a symbiotic association of bacteria with primitive pre-eukaryotic cells.

Discussion

11.	What is survivorship curve and how is it useful?
Answer» What is survivorship curve and how is it useful?

Discussion

12.	The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known as:
Answer» The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known as:

Discussion

13.	___ consists of abiotic components being utilized by living organisms.
Answer» ___ consists of abiotic components being utilized by living organisms.

Discussion

14.	Vascular bundle having phloem at the centre encircled by xylem is known as
Answer» Vascular bundle having phloem at the centre encircled by xylem is known as

Discussion

15.	Which of the following disease is sexually transmitted?
Answer» Which of the following disease is sexually transmitted?

Discussion

16.	Correct sequence of urine formation is:
Answer» Correct sequence of urine formation is:

Discussion

17.	Which is the largest flower in the world?
Answer» Which is the largest flower in the world?

Discussion

18.	Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause a decrease in the yield. Which treatment could be most beneficial to obtain maximum seed yield?
Answer» Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause a decrease in the yield. Which treatment could be most beneficial to obtain maximum seed yield?

Discussion

19.	Which of the following is an advantage of transgenic organisms?
Answer» Which of the following is an advantage of transgenic organisms?

Discussion

20.	A part of a long wire carrying a current I is bent into a circle of radius r as shown in Fig. The net magnetic field at the centre O of the corcular loop is
Answer» A part of a long wire carrying a current I is bent into a circle of radius r as shown in Fig. The net magnetic field at the centre O of the corcular loop is

Discussion

21.	_______ are the first true vascular plants.
Answer» _______ are the first true vascular plants.

Discussion

22.	Screening markers use __ gene that turns the recombinant cells white in a media that is rich is X-Gal
Answer» Screening markers use __ gene that turns the recombinant cells white in a media that is rich is X-Gal

Discussion

23.	Scientific names are written
Answer» Scientific names are written

Discussion

24.	Among the following geographical locations, where could one expect huge biological diversity?
Answer» Among the following geographical locations, where could one expect huge biological diversity?

Discussion

25.	Given below are assertion and reason.Assertion: Plants have hormones called phytohormones.Reason: They always increase the rate of reactions and thus always accelerate growth and other related changes.
Answer» Given below are assertion and reason. Assertion: Plants have hormones called phytohormones. Reason: They always increase the rate of reactions and thus always accelerate growth and other related changes.

25.

Given below are assertion and reason.Assertion: Plants have hormones called phytohormones.Reason: They always increase the rate of reactions and thus always accelerate growth and other related changes.

Answer»

Given below are assertion and reason.

Assertion: Plants have hormones called phytohormones.

Reason: They always increase the rate of reactions and thus always accelerate growth and other related changes.

Discussion

26.	Identify the wrongly bonded pair(s) among the following with regard to DNA:
Answer» Identify the wrongly bonded pair(s) among the following with regard to DNA:

Discussion

27.	Agriculture by using only biofertilizers is called:
Answer» Agriculture by using only biofertilizers is called:

Discussion

28.	The genetic defect - Adenosine Deaminase (ADA) deficiency may be cured permanently by
Answer» The genetic defect - Adenosine Deaminase (ADA) deficiency may be cured permanently by

Discussion

29.	The embryo sac in most angiosperms is made up of:
Answer» The embryo sac in most angiosperms is made up of:

Discussion

30.	Which among the following are the correct symbols for epiphyllous condition?
Answer» Which among the following are the correct symbols for epiphyllous condition?

Discussion

31.	What are the benefits of micropropagation?
Answer» What are the benefits of micropropagation?

Discussion

32.	Match the following:Column IColumn IIA. Locus1. Genetic makeup of an organism.B. Homozygous2. Both the alleles of a gene are non-identical.C. Heterozygous3. Both the alleles of a gene are identical.D. Phenotype4. Position of gene on chromosome.E. Genotype5. Physical expression of gene.
Answer» Match the following: $\begin{matrix} C o l u m n I & C o l u m n I I A. Locus & 1. Genetic makeup of an organism. B. Homozygous & 2. Both the alleles of a gene are non-identical. C. Heterozygous & 3. Both the alleles of a gene are identical. D. Phenotype & 4. Position of gene on chromosome. E. Genotype & 5. Physical expression of gene. \end{matrix}$

Discussion

33.	Why do you think memory B cells are long lived?
Answer» Why do you think memory B cells are long lived?

Discussion

34.	Statement 1: Small animals do not lose body heat very fast when it is cold outside.Statement 2: Small animals have a smaller surface area relative to their volume
Answer» Statement 1: Small animals do not lose body heat very fast when it is cold outside. Statement 2: Small animals have a smaller surface area relative to their volume

34.

Statement 1: Small animals do not lose body heat very fast when it is cold outside.Statement 2: Small animals have a smaller surface area relative to their volume

Answer»

Statement 1: Small animals do not lose body heat very fast when it is cold outside.

Statement 2: Small animals have a smaller surface area relative to their volume

Discussion

35.	Extracellular enzymes that play a role in decomposition are
Answer» Extracellular enzymes that play a role in decomposition are

Discussion

36.	All enzymes function best at neutral pH.
Answer» All enzymes function best at neutral pH.

Discussion

37.	Gas is exchanged in the alveoli by a process of _____.
Answer» Gas is exchanged in the alveoli by a process of _____.

Discussion

38.	Which of the following is a unique feature of phylum Cnidaria?
Answer» Which of the following is a unique feature of phylum Cnidaria?

Discussion

39.	Which of the following is a contraceptive?
Answer» Which of the following is a contraceptive?

Discussion

40.	Which of the following result in outbreeding?
Answer» Which of the following result in outbreeding?

Discussion

41.	Given below are four methods of contraception (A)-(D) and their modes of action (i)-(iv) in achieving contraception .Select their correct matching form the four options that follow.MethodMode of actionA. The pill(i) Prevents sperms reaching cervixB. Condom(ii) Prevents implantationC. Vasectomy(iii) Prevents ovulationD. Copper−T(iv) Semen contains no sperms
Answer» Given below are four methods of contraception (A)-(D) and their modes of action (i)-(iv) in achieving contraception .Select their correct matching form the four options that follow. $\begin{matrix} M e t h o d & M o d e o f a c t i o n A . T h e p i l l & (i) P r e v e n t s s p e r m s r e a c h i n g c e r v i x B . C o n d o m & (i i) P r e v e n t s i m p l a n t a t i o n C . V a s e c t o m y & (i i i) P r e v e n t s o v u l a t i o n D . C o p p e r - T & (i v) S e m e n c o n t a i n s n o s p e r m s \end{matrix}$

Discussion

42.	Androgens in males perform various functions. Given below is a list of functions. Choose the function which is NOT stimulated by androgens.
Answer» Androgens in males perform various functions. Given below is a list of functions. Choose the function which is NOT stimulated by androgens.

Discussion

43.	Measurable traits like height, weight, skin color in man, show ___.
Answer» Measurable traits like height, weight, skin color in man, show ___.

Discussion

44.	If each microsporangium contains 75 pollen mother cells (PMCs), what is the maximum number of pollen grains produced by a Datura flower?
Answer» If each microsporangium contains 75 pollen mother cells (PMCs), what is the maximum number of pollen grains produced by a Datura flower?

Discussion

45.	Two pigment systems in photosynthesis was proposed by
Answer» Two pigment systems in photosynthesis was proposed by

Discussion

46.	Which of the following organism reproduces by budding?
Answer» Which of the following organism reproduces by budding?

Discussion

47.	Diagram of a root-tip is given, wherein some parts are indicated by alphabets. Identify the option in which the parts are correctly matched.
Answer» Diagram of a root-tip is given, wherein some parts are indicated by alphabets. Identify the option in which the parts are correctly matched.

47.

Diagram of a root-tip is given, wherein some parts are indicated by alphabets. Identify the option in which the parts are correctly matched.

Answer»

Diagram of a root-tip is given, wherein some parts are indicated by alphabets. Identify the option in which the parts are correctly matched.

Discussion

48.	The differentiation and development of floral primordium depends on -
Answer» The differentiation and development of floral primordium depends on -

Discussion

49.	The basic forms of asexual reproduction are fission, budding, gemmulation and fragmentation. Binary fission is common among
Answer» The basic forms of asexual reproduction are fission, budding, gemmulation and fragmentation. Binary fission is common among

Discussion

50.	Syphilis is caused by_______
Answer» Syphilis is caused by_______

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Assertion (A) CO2 transport occurs very fast through RBCs.Reason (R) Enzyme carbonic anhydrase is absent in blood plasma.

The number of live births per thousand persons in a year is termed as -

Long pointed sclerenchyma cells are

A mother is afflicted by Down’s syndrome caused by an extra copy of chromosome 21. Father is normal. Percentage of offspring affected by the disorder would be

Embryo is not formed in ___.

Winter varieties are usually planted in:

Which of the following arises from a permanent tissue

Plant growth regulator present in the sterile filtrates of the fungus?

During the systolic phase of cardiac cycle, blood _____________.

Statement 1: Nuclear membrane and the endoplasmic reticulum were originally formed from the invaginations of the cell membrane.Statement 2: Mitochondria and chloroplast are the results of a symbiotic association of bacteria with primitive pre-eukaryotic cells.

What is survivorship curve and how is it useful?

The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known as:

___ consists of abiotic components being utilized by living organisms.

Vascular bundle having phloem at the centre encircled by xylem is known as

Which of the following disease is sexually transmitted?

Correct sequence of urine formation is:

Which is the largest flower in the world?

Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause a decrease in the yield. Which treatment could be most beneficial to obtain maximum seed yield?

Which of the following is an advantage of transgenic organisms?

A part of a long wire carrying a current I is bent into a circle of radius r as shown in Fig. The net magnetic field at the centre O of the corcular loop is

_______ are the first true vascular plants.

Screening markers use __ gene that turns the recombinant cells white in a media that is rich is X-Gal

Scientific names are written

Among the following geographical locations, where could one expect huge biological diversity?

Given below are assertion and reason.Assertion: Plants have hormones called phytohormones.Reason: They always increase the rate of reactions and thus always accelerate growth and other related changes.

Identify the wrongly bonded pair(s) among the following with regard to DNA:

Agriculture by using only biofertilizers is called:

The genetic defect - Adenosine Deaminase (ADA) deficiency may be cured permanently by

The embryo sac in most angiosperms is made up of:

Which among the following are the correct symbols for epiphyllous condition?

What are the benefits of micropropagation?

Match the following:Column IColumn IIA. Locus1. Genetic makeup of an organism.B. Homozygous2. Both the alleles of a gene are non-identical.C. Heterozygous3. Both the alleles of a gene are identical.D. Phenotype4. Position of gene on chromosome.E. Genotype5. Physical expression of gene.

Why do you think memory B cells are long lived?

Statement 1: Small animals do not lose body heat very fast when it is cold outside.Statement 2: Small animals have a smaller surface area relative to their volume

Extracellular enzymes that play a role in decomposition are

All enzymes function best at neutral pH.

Gas is exchanged in the alveoli by a process of _____.

Which of the following is a unique feature of phylum Cnidaria?

Which of the following is a contraceptive?

Which of the following result in outbreeding?

Androgens in males perform various functions. Given below is a list of functions. Choose the function which is NOT stimulated by androgens.

Measurable traits like height, weight, skin color in man, show ___.

If each microsporangium contains 75 pollen mother cells (PMCs), what is the maximum number of pollen grains produced by a Datura flower?

Two pigment systems in photosynthesis was proposed by

Which of the following organism reproduces by budding?

Diagram of a root-tip is given, wherein some parts are indicated by alphabets. Identify the option in which the parts are correctly matched.

The differentiation and development of floral primordium depends on -

The basic forms of asexual reproduction are fission, budding, gemmulation and fragmentation. Binary fission is common among

Syphilis is caused by_______