18288 + Interview Questions in Biology Page 364 InterviewSolution

18151.	Why is maize grain usually called as a fruit and not a seed?
Answer» Why is maize grain usually called as a fruit and not a seed?

Discussion

18152.	A plant requires magnesium for
Answer» A plant requires magnesium for

Discussion

18153.	In relation to energy transfer in ecosystem, explain the statement "10 kg of deer's meat is equivalent to 1 kg of lion's flesh".
Answer» In relation to energy transfer in ecosystem, explain the statement "10 kg of deer's meat is equivalent to 1 kg of lion's flesh".

Discussion

18154.	Prostaglandins are
Answer» Prostaglandins are

Discussion

18155.	In a mutational event, when adenine is replaced by guanine, it is the case of
Answer» In a mutational event, when adenine is replaced by guanine, it is the case of

Discussion

18156.	In autotrophic bacteria, where are the enzymes located that can carry on organic synthesis?
Answer» In autotrophic bacteria, where are the enzymes located that can carry on organic synthesis?

Discussion

18157.	Match List–I with List–II and select the correct answer using the codes given below the lists List I List IIA. A.The amount of energy accumulation in1. Gross primary productivity.green plants through the process ofphotosynthesisB. The total organic matter synthesized by2. Primary productivitythe producers in the process of photosynthesis per unit time and area.C. Rate of storage of organic matter3. Secondary productivityin plant tissues in excess of the respiratoryutilization during the measurement periodD. Rate of energy storage at consumer level4. Net primary productivity
Answer» Match List–I with List–II and select the correct answer using the codes given below the lists $\begin{matrix} L i s t I & L i s t I I A . A . T h e a m o u n t o f e n e r g y a c c u m u l a t i o n i n & 1. G r o s s p r i m a r y p r o d u c t i v i t y . g r e e n p l a n t s t h r o u g h t h e p r o c e s s o f p h o t o s y n t h e s i s B . T h e t o t a l o r g a n i c m a t t e r s y n t h e s i z e d b y & 2. P r i m a r y p r o d u c t i v i t y t h e p r o d u c e r s i n t h e p r o c e s s o f p h o t o s y n t h e s i s p e r u n i t t i m e a n d a r e a . C . R a t e o f s t o r a g e o f o r g a n i c m a t t e r & 3. S e c o n d a r y p r o d u c t i v i t y i n p l a n t t i s s u e s i n e x c e s s o f t h e r e s p i r a t o r y u t i l i z a t i o n d u r i n g t h e m e a s u r e m e n t p e r i o d D . R a t e o f e n e r g y s t o r a g e a t c o n s u m e r l e v e l & 4. N e t p r i m a r y p r o d u c t i v i t y \end{matrix}$

18157.

Match List–I with List–II and select the correct answer using the codes given below the lists List I List IIA. A.The amount of energy accumulation in1. Gross primary productivity.green plants through the process ofphotosynthesisB. The total organic matter synthesized by2. Primary productivitythe producers in the process of photosynthesis per unit time and area.C. Rate of storage of organic matter3. Secondary productivityin plant tissues in excess of the respiratoryutilization during the measurement periodD. Rate of energy storage at consumer level4. Net primary productivity

Answer»

Match List–I with List–II and select the correct answer using the codes given below the lists

$\begin{matrix} L i s t I & L i s t I I A . A . T h e a m o u n t o f e n e r g y a c c u m u l a t i o n i n & 1. G r o s s p r i m a r y p r o d u c t i v i t y . g r e e n p l a n t s t h r o u g h t h e p r o c e s s o f p h o t o s y n t h e s i s B . T h e t o t a l o r g a n i c m a t t e r s y n t h e s i z e d b y & 2. P r i m a r y p r o d u c t i v i t y t h e p r o d u c e r s i n t h e p r o c e s s o f p h o t o s y n t h e s i s p e r u n i t t i m e a n d a r e a . C . R a t e o f s t o r a g e o f o r g a n i c m a t t e r & 3. S e c o n d a r y p r o d u c t i v i t y i n p l a n t t i s s u e s i n e x c e s s o f t h e r e s p i r a t o r y u t i l i z a t i o n d u r i n g t h e m e a s u r e m e n t p e r i o d D . R a t e o f e n e r g y s t o r a g e a t c o n s u m e r l e v e l & 4. N e t p r i m a r y p r o d u c t i v i t y \end{matrix}$

Discussion

18158.	Human egg is Microlecithal or Alecithal or both?
Answer» Human egg is Microlecithal or Alecithal or both?

Discussion

18159.	Which one of the following structures in Pheretima is correctly matched with its function?
Answer» Which one of the following structures in Pheretima is correctly matched with its function?

Discussion

18160.	In the life cycle of angiosperms, free nuclear divisions occur during the development of
Answer» In the life cycle of angiosperms, free nuclear divisions occur during the development of

Discussion

18161.	Plasmasol or sol part of cytosol is known as
Answer» Plasmasol or sol part of cytosol is known as

Discussion

18162.	Percentage of (G + C) is
Answer» Percentage of (G + C) is

Discussion

18163.	Lysosomes are absent in which animal cells
Answer» Lysosomes are absent in which animal cells

Discussion

18164.	A plant that has well differentiated body, special tissues for transport of water and other substances, but does not have seed or fruits is a(n):
Answer» A plant that has well differentiated body, special tissues for transport of water and other substances, but does not have seed or fruits is a(n):

Discussion

18165.	Surgical removal of the gall bladder in human beings would lead to
Answer» Surgical removal of the gall bladder in human beings would lead to

Discussion

18166.	Match the biological molecules listed under column I with their biological functions listed under column II. Choose the answer which gives the correct combinations from the two columns. Column IColumn II(Biological Molecule)(Function)A. Glycogen1. HormoneB. Globulin2. BiocatalystC. Steroid3. AntibodyD. Thrombin4. Storage product
Answer» Match the biological molecules listed under column I with their biological functions listed under column II. Choose the answer which gives the correct combinations from the two columns. $\begin{matrix} C o l u m n I & C o l u m n I I (B i o l o g i c a l M o l e c u l e) & (F u n c t i o n) A . G l y c o g e n & 1. H o r m o n e B . G l o b u l i n & 2. B i o c a t a l y s t C . S t e r o i d & 3. A n t i b o d y D . T h r o m b i n & 4. S t o r a g e p r o d u c t \end{matrix}$

Discussion

18167.	Protein helping in opening of DNA double helix in front of replication fork is a. DNA gyrase b. DNA polymerase 1 c. DNA Ligase d. DNA topoisomerase
Answer» Protein helping in opening of DNA double helix in front of replication fork is a. DNA gyrase b. DNA polymerase 1 c. DNA Ligase d. DNA topoisomerase

Discussion

18168.	Which step would be the following output? Van lamp cat all zoo 19 yes 25 78 72 53 48
Answer» Which step would be the following output? Van lamp cat all zoo 19 yes 25 78 72 53 48

18168.

Which step would be the following output? Van lamp cat all zoo 19 yes 25 78 72 53 48

Answer»

Which step would be the following output?

Van lamp cat all zoo 19 yes 25 78 72 53 48

Discussion

18169.	In plants, growth occurs due to
Answer» In plants, growth occurs due to

Discussion

18170.	Explain principal the rason for heart attack on the basis of bernolis principle and equation of continuity
Answer» Explain principal the rason for heart attack on the basis of bernolis principle and equation of continuity

Discussion

18171.	Cells with abundant plasmodesmatal connections are found in:
Answer» Cells with abundant plasmodesmatal connections are found in:

Discussion

18172.	Crescograph and auxanometer are
Answer» Crescograph and auxanometer are

Discussion

18173.	Which of the following correctly explains a phase/ event in cardiac cycle in a standard electrocardiogram?
Answer» Which of the following correctly explains a phase/ event in cardiac cycle in a standard electrocardiogram?

Discussion

18174.	Which of the following conditions is called monosomic?
Answer» Which of the following conditions is called monosomic?

Discussion

18175.	The valves which allow blood to flow from the ventricles into the arteries and not in the opposite direction are:
Answer» The valves which allow blood to flow from the ventricles into the arteries and not in the opposite direction are:

Discussion

18176.	The ECG represents:
Answer» The ECG represents:

Discussion

18177.	A pseudostratified columnar epithelium is a special type of simple epithelium that consists of a
Answer» A pseudostratified columnar epithelium is a special type of simple epithelium that consists of a

Discussion

18178.	The pace-setter for the heart is
Answer» The pace-setter for the heart is

Discussion

18179.	The helical structure of protein is stabilized by [CBSE PMT 2004]
Answer» The helical structure of protein is stabilized by [CBSE PMT 2004]

18179.

The helical structure of protein is stabilized by [CBSE PMT 2004]

Answer»

The helical structure of protein is stabilized by

[CBSE PMT 2004]

Discussion

18180.	In the somatic cell cycle,
Answer» In the somatic cell cycle,

Discussion

18181.	The product of conjugation in spirogyra is
Answer» The product of conjugation in spirogyra is

18181.

The product of conjugation in spirogyra is

Answer»

The product of conjugation in spirogyra is

Discussion

18182.	Explain why sexual reproduction in angiosperms is said to take place through double fertilisation and triple fusion. Also draw a labelled diagram of embryo sac to explain the phenomena.
Answer» Explain why sexual reproduction in angiosperms is said to take place through double fertilisation and triple fusion. Also draw a labelled diagram of embryo sac to explain the phenomena.

Discussion

18183.	Name the animal, which exhibits the phenomenon of bioluminescence. Mention the phylum to which it belongs.
Answer» Name the animal, which exhibits the phenomenon of bioluminescence. Mention the phylum to which it belongs.

Discussion

18184.	What are chasmogamous flowers? Can cross-pollination occur in cleistogamous flowers? Give reasons for your answer.
Answer» What are chasmogamous flowers? Can cross-pollination occur in cleistogamous flowers? Give reasons for your answer.

Discussion

18185.	The term 'Cell' was coined by _____.
Answer» The term 'Cell' was coined by _____.

18185.

The term 'Cell' was coined by _____.

Answer»

The term 'Cell' was coined by _____.

Discussion

18186.	Photosynthesis takes place in the membranes of small sacs called
Answer» Photosynthesis takes place in the membranes of small sacs called

Discussion

18187.	Which one is correctly matched?
Answer» Which one is correctly matched?

Discussion

18188.	(a) Write the scientific name of the organism Thomas Hunt Morgan and his colleagues worked with them for their experiments. Explain the correlation between linkage and recombination with respect to genes as studied by them. (b) How did Sturtevant explain gene mapping while working with Morgan ? [5]
Answer» (a) Write the scientific name of the organism Thomas Hunt Morgan and his colleagues worked with them for their experiments. Explain the correlation between linkage and recombination with respect to genes as studied by them. (b) How did Sturtevant explain gene mapping while working with Morgan ? [5]

Discussion

18189.	Give the importance of intercalary meristematic tissue.
Answer» Give the importance of intercalary meristematic tissue.

Discussion

18190.	How reproduction is synonymous with growth?
Answer» How reproduction is synonymous with growth?

Discussion

18191.	Stoma opens when - 1)guard cell swell due to an increase in their water potential 2)guard cell swell by endosmosis due to influx of proton 3)guard cell swell by endosmosis due to efflux of potassium ion 4)guard cells swell due to a decrease in their water potential
Answer» Stoma opens when - 1)guard cell swell due to an increase in their water potential 2)guard cell swell by endosmosis due to influx of proton 3)guard cell swell by endosmosis due to efflux of potassium ion 4)guard cells swell due to a decrease in their water potential

18191.

Stoma opens when - 1)guard cell swell due to an increase in their water potential 2)guard cell swell by endosmosis due to influx of proton 3)guard cell swell by endosmosis due to efflux of potassium ion 4)guard cells swell due to a decrease in their water potential

Answer»

Stoma opens when -

1)guard cell swell due to an increase in their water potential

2)guard cell swell by endosmosis due to influx of proton

3)guard cell swell by endosmosis due to efflux of potassium ion

4)guard cells swell due to a decrease in their water potential

Discussion

18192.	While creating the first Recombinant DNA why was it necessary for linking the gene of interest with the plasmid of Salmonella typhimurium when E coli already have their own plasmids??? Why can't we directly introduce our gene of interest in ecoli medium so that our gene of interest is directly in the plasmid of ecoli itself??
Answer» While creating the first Recombinant DNA why was it necessary for linking the gene of interest with the plasmid of Salmonella typhimurium when E coli already have their own plasmids??? Why can't we directly introduce our gene of interest in ecoli medium so that our gene of interest is directly in the plasmid of ecoli itself??

Discussion

18193.	What is variety? What is the difference between variety and species?
Answer» What is variety? What is the difference between variety and species?

Discussion

18194.	Can a plasmid integrate with a eukaryotic genome ?
Answer» Can a plasmid integrate with a eukaryotic genome ?

Discussion

18195.	The biological adaptation that allows frogs to obtain water for their survival during conditions of water scarcity is the (A) presence of modified tongue that acts like a sponge to suck water from damp soils. (B) presence of water channels in the skin by which they absorb water from their sur- roundings. (C) presence of ciliated oesophagus that helps in separating water from ingested partic- ulate matter. (D) selective feeding on plants with large amount of water that would fulfill the water requirements.
Answer» The biological adaptation that allows frogs to obtain water for their survival during conditions of water scarcity is the (A) presence of modified tongue that acts like a sponge to suck water from damp soils. (B) presence of water channels in the skin by which they absorb water from their sur- roundings. (C) presence of ciliated oesophagus that helps in separating water from ingested partic- ulate matter. (D) selective feeding on plants with large amount of water that would fulfill the water requirements.

Discussion

18196.	The water potential of pure water is _____.
Answer» The water potential of pure water is _____.

Discussion

18197.	ICBN is connected with
Answer» ICBN is connected with

Discussion

18198.	The highest water potential (capacity to move out to higher concentrated solution) is that of A Pure Water B 10% salt solution C Honey D 50% sugar solution
Answer» The highest water potential (capacity to move out to higher concentrated solution) is that of A Pure Water B 10% salt solution C Honey D 50% sugar solution

Discussion

18199.	The central point in the first paragraph is that the economic benefits of the Olympic Games
Answer» The central point in the first paragraph is that the economic benefits of the Olympic Games

Discussion

18200.	The work of Mendel remained unnoticed for 34 years because
Answer» The work of Mendel remained unnoticed for 34 years because

Discussion

Explore topic-wise InterviewSolutions in .

Why is maize grain usually called as a fruit and not a seed?

A plant requires magnesium for

In relation to energy transfer in ecosystem, explain the statement "10 kg of deer's meat is equivalent to 1 kg of lion's flesh".

Prostaglandins are

In a mutational event, when adenine is replaced by guanine, it is the case of

In autotrophic bacteria, where are the enzymes located that can carry on organic synthesis?

Human egg is Microlecithal or Alecithal or both?

Which one of the following structures in Pheretima is correctly matched with its function?

In the life cycle of angiosperms, free nuclear divisions occur during the development of

Plasmasol or sol part of cytosol is known as

Percentage of (G + C) is

Lysosomes are absent in which animal cells

A plant that has well differentiated body, special tissues for transport of water and other substances, but does not have seed or fruits is a(n):

Surgical removal of the gall bladder in human beings would lead to

Protein helping in opening of DNA double helix in front of replication fork is a. DNA gyrase b. DNA polymerase 1 c. DNA Ligase d. DNA topoisomerase ​​​​

Which step would be the following output? Van lamp cat all zoo 19 yes 25 78 72 53 48

In plants, growth occurs due to

Explain principal the rason for heart attack on the basis of bernolis principle and equation of continuity

Cells with abundant plasmodesmatal connections are found in:

Crescograph and auxanometer are

Which of the following correctly explains a phase/ event in cardiac cycle in a standard electrocardiogram?

Which of the following conditions is called monosomic?

The valves which allow blood to flow from the ventricles into the arteries and not in the opposite direction are:

The ECG represents:

A pseudostratified columnar epithelium is a special type of simple epithelium that consists of a

The pace-setter for the heart is

The helical structure of protein is stabilized by [CBSE PMT 2004]

In the somatic cell cycle,

The product of conjugation in spirogyra is

Explain why sexual reproduction in angiosperms is said to take place through double fertilisation and triple fusion. Also draw a labelled diagram of embryo sac to explain the phenomena.

Name the animal, which exhibits the phenomenon of bioluminescence. Mention the phylum to which it belongs.

What are chasmogamous flowers? Can cross-pollination occur in cleistogamous flowers? Give reasons for your answer.

The term 'Cell' was coined by _____.

Photosynthesis takes place in the membranes of small sacs called

Which one is correctly matched?

(a) Write the scientific name of the organism Thomas Hunt Morgan and his colleagues worked with them for their experiments. Explain the correlation between linkage and recombination with respect to genes as studied by them. (b) How did Sturtevant explain gene mapping while working with Morgan ? [5]

Give the importance of intercalary meristematic tissue.

How reproduction is synonymous with growth?

Stoma opens when - 1)guard cell swell due to an increase in their water potential 2)guard cell swell by endosmosis due to influx of proton 3)guard cell swell by endosmosis due to efflux of potassium ion 4)guard cells swell due to a decrease in their water potential

What is variety? What is the difference between variety and species?

Can a plasmid integrate with a eukaryotic genome ?

The water potential of pure water is _____.

ICBN is connected with

The highest water potential (capacity to move out to higher concentrated solution) is that of A Pure Water B 10% salt solution C Honey D 50% sugar solution

The central point in the first paragraph is that the economic benefits of the Olympic Games

The work of Mendel remained unnoticed for 34 years because

Protein helping in opening of DNA double helix in front of replication fork is a. DNA gyrase b. DNA polymerase 1 c. DNA Ligase d. DNA topoisomerase