11712 + Interview Questions in Biology Page 167 InterviewSolution

8301.	Cross made between two parents with one contrasting trait is called a ___ cross.
Answer» Cross made between two parents with one contrasting trait is called a ___ cross.

Discussion

8302.	What happens to the cardiac muscle cells when there is a spike of any physical activity?
Answer» What happens to the cardiac muscle cells when there is a spike of any physical activity?

Discussion

8303.	The chromatin material that constitutes the genetic fibre is composed of:
Answer» The chromatin material that constitutes the genetic fibre is composed of:

Discussion

8304.	If the somatic cell in an organism has 40 chromosomes, how many chromosomes will be present in each of the resultant cells, once a cell in this organism undergoes meiosis?
Answer» If the somatic cell in an organism has 40 chromosomes, how many chromosomes will be present in each of the resultant cells, once a cell in this organism undergoes meiosis?

Discussion

8305.	On the roads, why is a colour blind person a dangerous driver?
Answer» On the roads, why is a colour blind person a dangerous driver?

Discussion

8306.	When a person breathes in air, the air enters into his body through an organ A having two holes B in it. The air then passes through pharynx and larynx and enters into a tube C. The tube C divides into two smaller tubes D at its lower end. The two smaller tubes are attached to two respiratory organs E. Each smaller tube divides inside the organs E to form a large number of still smaller tubes called F. The smallest tubes F have air-sacs G at their ends in which gaseous exchange takes place in the body of the person. What are A, B, C. D, E, F and G ?
Answer» When a person breathes in air, the air enters into his body through an organ A having two holes B in it. The air then passes through pharynx and larynx and enters into a tube C. The tube C divides into two smaller tubes D at its lower end. The two smaller tubes are attached to two respiratory organs E. Each smaller tube divides inside the organs E to form a large number of still smaller tubes called F. The smallest tubes F have air-sacs G at their ends in which gaseous exchange takes place in the body of the person. What are A, B, C. D, E, F and G ?

Discussion

8307.	Given below is an example of a certain structure and its special functional activity : chloroplasts and photosynthesis. In a similar way, write the functional activity against each of the following : (a) Hydathodes and ________ (b) Leaf spines and ________ (c) Lenticels and ________ (d) Xylem and ________
Answer» Given below is an example of a certain structure and its special functional activity : chloroplasts and photosynthesis. In a similar way, write the functional activity against each of the following : (a) Hydathodes and ________ (b) Leaf spines and ________ (c) Lenticels and ________ (d) Xylem and ________

8307.

Given below is an example of a certain structure and its special functional activity : chloroplasts and photosynthesis. In a similar way, write the functional activity against each of the following : (a) Hydathodes and (b) Leaf spines and (c) Lenticels and (d) Xylem and

Answer»

Given below is an example of a certain structure and its special functional activity :

chloroplasts and photosynthesis.

In a similar way, write the functional activity against each of the following :

(a) Hydathodes and ________

(b) Leaf spines and ________

(c) Lenticels and ________

(d) Xylem and ________

Discussion

8308.	________will express the recessive character or trait.
Answer» ________will express the recessive character or trait.

Discussion

8309.	Blood flows at a high pressure through arteries. Hence, it makes sense for arteries to have _______ and elastic walls.
Answer» Blood flows at a high pressure through arteries. Hence, it makes sense for arteries to have _______ and elastic walls.

Discussion

8310.	The procedure of cleaning the blood of a person by using a kidney machine is known as : (a) ketolysis (b) hydrolysis (c) dialysis (d) photolysis
Answer» The procedure of cleaning the blood of a person by using a kidney machine is known as : (a) ketolysis (b) hydrolysis (c) dialysis (d) photolysis

Discussion

8311.	Explain the importance of fossils in deciding evolutionary relationships. [3 MARKS]
Answer» Explain the importance of fossils in deciding evolutionary relationships. [3 MARKS]

Discussion

8312.	The pressure responsible for the movement of water from root hair cells to the xylem is_________.
Answer» The pressure responsible for the movement of water from root hair cells to the xylem is_________.

Discussion

8313.	What is the function of urethra in man?
Answer» What is the function of urethra in man?

Discussion

8314.	The most fascinating branchin applied embryology is__.
Answer» The most fascinating branchin applied embryology is__.

Discussion

8315.	Define the term 'evolution'. "Evolution cannot be equated with progress”. Justify this statement.
Answer» Define the term 'evolution'. "Evolution cannot be equated with progress”. Justify this statement.

Discussion

8316.	(a) What is meant by the term 'fission' as used in biology? (b) How does binary fission differ from multiple fission? (c) Name one organism which reproduces by binary fission and another which reproduces by multiple fission. (d) State whether the above-named organisms are animals or plants.
Answer» (a) What is meant by the term 'fission' as used in biology? (b) How does binary fission differ from multiple fission? (c) Name one organism which reproduces by binary fission and another which reproduces by multiple fission. (d) State whether the above-named organisms are animals or plants.

Discussion

8317.	Given below is a schematic diagram to illustrate some aspects of photosynthesis. (a) Fill up the gaps, in blank spaces (1-4), by writing the names of the correct items. (b) What phenomenon do thick arrows A and B indicate respectively ?
Answer» Given below is a schematic diagram to illustrate some aspects of photosynthesis. (a) Fill up the gaps, in blank spaces (1-4), by writing the names of the correct items. (b) What phenomenon do thick arrows A and B indicate respectively ?

8317.

Given below is a schematic diagram to illustrate some aspects of photosynthesis. (a) Fill up the gaps, in blank spaces (1-4), by writing the names of the correct items. (b) What phenomenon do thick arrows A and B indicate respectively ?

Answer»

Given below is a schematic diagram to illustrate some aspects of photosynthesis.

(a) Fill up the gaps, in blank spaces (1-4), by writing the names of the correct items.

(b) What phenomenon do thick arrows A and B indicate respectively ?

Discussion

8318.	Which of the following organelles is/are double-membraned?
Answer» Which of the following organelles is/are double-membraned?

Discussion

8319.	Amount of urine produced by the body is dependent on the concentration of:
Answer» Amount of urine produced by the body is dependent on the concentration of:

Discussion

8320.	___is the chemical messenger released into the blood by endocrine glands.
Answer» ___is the chemical messenger released into the blood by endocrine glands.

Discussion

8321.	Which one of the following is a stimulant?
Answer» Which one of the following is a stimulant?

Discussion

8322.	Which of the following are symptoms of Parkinson's disease?
Answer» Which of the following are symptoms of Parkinson's disease?

Discussion

8323.	How bending takes place in our eyse as focus changes because of lens it become shorter and wider the lens medium is same so how by changing shape of lens changes focus
Answer» How bending takes place in our eyse as focus changes because of lens it become shorter and wider the lens medium is same so how by changing shape of lens changes focus

Discussion

8324.	The nerves that start from different parts of the brain and are connected to the head and neck are known as _____ .
Answer» The nerves that start from different parts of the brain and are connected to the head and neck are known as _____ .

Discussion

8325.	Which option correctly fills up the blanks in the following equation?(i)+WaterSunlight+(ii)−−−−−−−−→Glucose+(iii) (i) Oxygen (ii) Starch (iii) Chlorophyll(i) Carbon dioxide (ii) Chlorophyll (iii) oxygen(i) oxygen (ii) Chlorophyll (iii) Carbon dioxide(i) Carbon dioxide (ii) Chlorophyll (iii) oxygen
Answer» Which option correctly fills up the blanks in the following equation? (i)+WaterSunlight+(ii)−−−−−−−−→Glucose+(iii) (i) Oxygen (ii) Starch (iii) Chlorophyll (i) Carbon dioxide (ii) Chlorophyll (iii) oxygen (i) oxygen (ii) Chlorophyll (iii) Carbon dioxide (i) Carbon dioxide (ii) Chlorophyll (iii) oxygen

8325.

Which option correctly fills up the blanks in the following equation?(i)+WaterSunlight+(ii)−−−−−−−−→Glucose+(iii) (i) Oxygen (ii) Starch (iii) Chlorophyll(i) Carbon dioxide (ii) Chlorophyll (iii) oxygen(i) oxygen (ii) Chlorophyll (iii) Carbon dioxide(i) Carbon dioxide (ii) Chlorophyll (iii) oxygen

Answer»

Which option correctly fills up the blanks in the following equation?

(i)+WaterSunlight+(ii)−−−−−−−−→Glucose+(iii)

(i) Oxygen (ii) Starch (iii) Chlorophyll

(i) Carbon dioxide (ii) Chlorophyll (iii) oxygen

(i) oxygen (ii) Chlorophyll (iii) Carbon dioxide

(i) Carbon dioxide (ii) Chlorophyll (iii) oxygen

Discussion

8326.	(a) What does a plant root do in response to water? What is this phenomenon known as? (b) What happens to the moonflower (i) during the daytime, and (ii) at night? What is this phenomenon known as?
Answer» (a) What does a plant root do in response to water? What is this phenomenon known as? (b) What happens to the moonflower (i) during the daytime, and (ii) at night? What is this phenomenon known as?

8326.

(a) What does a plant root do in response to water? What is this phenomenon known as? (b) What happens to the moonflower (i) during the daytime, and (ii) at night? What is this phenomenon known as?

Answer»

(a) What does a plant root do in response to water? What is this phenomenon known as?

(b) What happens to the moonflower (i) during the daytime, and (ii) at night? What is this phenomenon known as?

Discussion

8327.	An individual affected by Turner’s syndrome would be a:
Answer» An individual affected by Turner’s syndrome would be a:

Discussion

8328.	The hormone which regulates glucose in the blood by converting glycogen (glycogenolysis) back to glucose whenever required is _______.
Answer» The hormone which regulates glucose in the blood by converting glycogen (glycogenolysis) back to glucose whenever required is _______.

Discussion

8329.	Reenu's grandfather got infected with tuberculosis. Which vaccine should he have had in his childhood in order to prevent the disease?
Answer» Reenu's grandfather got infected with tuberculosis. Which vaccine should he have had in his childhood in order to prevent the disease?

Discussion

8330.	Consider the following statements -
Answer» Consider the following statements -

Discussion

8331.	Why is circulation of blood necessary? [1 MARK]
Answer» Why is circulation of blood necessary? [1 MARK]

Discussion

8332.	Which one of the following hormones is derived from amino acid?
Answer» Which one of the following hormones is derived from amino acid?

Discussion

8333.	In 1928, a scientist discovered the first effective antibiotic. The scientist and antibiotic are ___.
Answer» In 1928, a scientist discovered the first effective antibiotic. The scientist and antibiotic are ___.

Discussion

8334.	Hormones are secreted into __.
Answer» Hormones are secreted into __.

Discussion

8335.	Differentiate between self pollination and cross pollination . Describe the process of fertilization in plants .
Answer» Differentiate between self pollination and cross pollination . Describe the process of fertilization in plants .

Discussion

8336.	The total solute concentration in a red blood cell is about 2%. Sucrose cannot pass through the cell membrane, but water and urea can. Osmosis would cause such a cell to shrink the most when the cell is immersed in which of the following solutions?
Answer» The total solute concentration in a red blood cell is about 2%. Sucrose cannot pass through the cell membrane, but water and urea can. Osmosis would cause such a cell to shrink the most when the cell is immersed in which of the following solutions?

Discussion

8337.	How do amoeba recognize its food?
Answer» How do amoeba recognize its food?

Discussion

8338.	Chemical found in the blood which act against antigen ?
Answer» Chemical found in the blood which act against antigen ?

Discussion

8339.	Deforestation to a large extent can lead to
Answer» Deforestation to a large extent can lead to

Discussion

8340.	Bile is secreted by:
Answer» Bile is secreted by:

Discussion

8341.	Cohesion-tension theory is related to
Answer» Cohesion-tension theory is related to

Discussion

8342.	Which of these is the most appropriate reason why arteries are deeply seated in our body, compared to the veins?
Answer» Which of these is the most appropriate reason why arteries are deeply seated in our body, compared to the veins?

Discussion

8343.	Which type of fertilsation is shown in the picture below ;
Answer» Which type of fertilsation is shown in the picture below ;

8343.

Which type of fertilsation is shown in the picture below ;

Answer»

Which type of fertilsation is shown in the picture below ;

Discussion

8344.	Teenagers, during adolescence, are in danger of falling prey to ___ .
Answer» Teenagers, during adolescence, are in danger of falling prey to ___ .

Discussion

8345.	___________ connects the sensory neuron and the motor neuron.
Answer» ___________ connects the sensory neuron and the motor neuron.

Discussion

8346.	Homeostatasis is
Answer» Homeostatasis is

Discussion

8347.	What are fossils? Giving one example, explain how fossils provide evidence for evolution.
Answer» What are fossils? Giving one example, explain how fossils provide evidence for evolution.

Discussion

8348.	A friend of Bala thought of eating food rich in fats since fats are the energy banks of our body. So, he ate mainly the food shown in the picture given below. Bala advised him not to do that. What is the reason?
Answer» A friend of Bala thought of eating food rich in fats since fats are the energy banks of our body. So, he ate mainly the food shown in the picture given below. Bala advised him not to do that. What is the reason?

Discussion

8349.	Cataract can be cured by
Answer» Cataract can be cured by

Discussion

8350.	Wild cabbage was converted to cauliflower, broccoli by man. What is this process known as? Explain the process. [3 MARKS]
Answer» Wild cabbage was converted to cauliflower, broccoli by man. What is this process known as? Explain the process. [3 MARKS]

Discussion

Explore topic-wise InterviewSolutions in .

Cross made between two parents with one contrasting trait is called a ___ cross.

What happens to the cardiac muscle cells when there is a spike of any physical activity?

The chromatin material that constitutes the genetic fibre is composed of:

If the somatic cell in an organism has 40 chromosomes, how many chromosomes will be present in each of the resultant cells, once a cell in this organism undergoes meiosis?

On the roads, why is a colour blind person a dangerous driver?

________will express the recessive character or trait.

Blood flows at a high pressure through arteries. Hence, it makes sense for arteries to have _______ and elastic walls.

The procedure of cleaning the blood of a person by using a kidney machine is known as : (a) ketolysis (b) hydrolysis (c) dialysis (d) photolysis

Explain the importance of fossils in deciding evolutionary relationships. [3 MARKS]

The pressure responsible for the movement of water from root hair cells to the xylem is_________.

What is the function of urethra in man?

The most fascinating branchin applied embryology is__.

Define the term 'evolution'. "Evolution cannot be equated with progress”. Justify this statement.

(a) What is meant by the term 'fission' as used in biology? (b) How does binary fission differ from multiple fission? (c) Name one organism which reproduces by binary fission and another which reproduces by multiple fission. (d) State whether the above-named organisms are animals or plants.

Given below is a schematic diagram to illustrate some aspects of photosynthesis. (a) Fill up the gaps, in blank spaces (1-4), by writing the names of the correct items. (b) What phenomenon do thick arrows A and B indicate respectively ?

Which of the following organelles is/are double-membraned?

Amount of urine produced by the body is dependent on the concentration of:

___is the chemical messenger released into the blood by endocrine glands.

Which one of the following is a stimulant?

Which of the following are symptoms of Parkinson's disease?

How bending takes place in our eyse as focus changes because of lens it become shorter and wider the lens medium is same so how by changing shape of lens changes focus

The nerves that start from different parts of the brain and are connected to the head and neck are known as _____ .

(a) What does a plant root do in response to water? What is this phenomenon known as? (b) What happens to the moonflower (i) during the daytime, and (ii) at night? What is this phenomenon known as?

An individual affected by Turner’s syndrome would be a:

The hormone which regulates glucose in the blood by converting glycogen (glycogenolysis) back to glucose whenever required is _______.

Reenu's grandfather got infected with tuberculosis. Which vaccine should he have had in his childhood in order to prevent the disease?

Consider the following statements -

Why is circulation of blood necessary? [1 MARK]

Which one of the following hormones is derived from amino acid?

In 1928, a scientist discovered the first effective antibiotic. The scientist and antibiotic are ___.

Hormones are secreted into __.

Differentiate between self pollination and cross pollination . Describe the process of fertilization in plants .

The total solute concentration in a red blood cell is about 2%. Sucrose cannot pass through the cell membrane, but water and urea can. Osmosis would cause such a cell to shrink the most when the cell is immersed in which of the following solutions?

How do amoeba recognize its food?

Chemical found in the blood which act against antigen ?

Deforestation to a large extent can lead to

Bile is secreted by:

Cohesion-tension theory is related to

Which of these is the most appropriate reason why arteries are deeply seated in our body, compared to the veins?

Which type of fertilsation is shown in the picture below ;

Teenagers, during adolescence, are in danger of falling prey to ___ .

___________ connects the sensory neuron and the motor neuron.

Homeostatasis is

What are fossils? Giving one example, explain how fossils provide evidence for evolution.

A friend of Bala thought of eating food rich in fats since fats are the energy banks of our body. So, he ate mainly the food shown in the picture given below. Bala advised him not to do that. What is the reason?

Cataract can be cured by

Wild cabbage was converted to cauliflower, broccoli by man. What is this process known as? Explain the process. [3 MARKS]