11712 + Interview Questions in Biology Page 52 InterviewSolution

2551.	E Cell for the reaction Mno4 \pm 5F
Answer» E Cell for the reaction Mno4 \pm 5F

Discussion

2552.	What are the conditions of changing the order of magnitude ?
Answer» What are the conditions of changing the order of magnitude ?

Discussion

2553.	Why are molecular movements needed for life? Is this invisible molecular movement necessary for life?
Answer» Why are molecular movements needed for life? Is this invisible molecular movement necessary for life?

Discussion

2554.	Assertion (A): A group of apes split into two smaller groups - one evolved into the modern gorillas, and the other into the modern chimpazees and human beings. Reason (R): Bipedal locomotion is advantageous because it frees forelimbs for more actions.
Answer» Assertion (A): A group of apes split into two smaller groups - one evolved into the modern gorillas, and the other into the modern chimpazees and human beings. Reason (R): Bipedal locomotion is advantageous because it frees forelimbs for more actions.

Discussion

2555.	The oxygen that is released during photosynthesis came from _____________ molecules.
Answer» The oxygen that is released during photosynthesis came from _____________ molecules.

Discussion

2556.	Leguminous plants are able to fix atmosphericnitrogen through the process of symbiotic nitrogen fixation. Which one of thefollowing is not correct during the process of this nitrogen fixation?
Answer» Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation. Which one of the following is not correct during the process of this nitrogen fixation?

Discussion

2557.	Are breathing and respiration same? Give reasons.
Answer» Are breathing and respiration same? Give reasons.

Discussion

2558.	In mitosis, the number of Chromosomes is (i) ______ and represents two different sets from each (ii) ______.
Answer» In mitosis, the number of Chromosomes is (i) ______ and represents two different sets from each (ii) ______.

Discussion

2559.	Choose the odd one out from below with respect to reproduction.(a) Eggs of hen.(b) Seeds of plants.(c) Buds of potato.(d) Roots of mango tree.
Answer» Choose the odd one out from below with respect to reproduction. (a) Eggs of hen. (b) Seeds of plants. (c) Buds of potato. (d) Roots of mango tree.

Discussion

2560.	Describe the process of double fertilization.
Answer» Describe the process of double fertilization.

Discussion

2561.	a) What is the name of the structure in which ovum develops in the ovary of the female? b) What is the function of the epiglottis in a man? Is it same in the females?
Answer» a) What is the name of the structure in which ovum develops in the ovary of the female? b) What is the function of the epiglottis in a man? Is it same in the females?

Discussion

2562.	N.Grew coined term tissue,but what that N's full form
Answer» N.Grew coined term tissue,but what that N's full form

Discussion

2563.	(a) Name the raw materials required for photosynthesis. How do plants obtain these raw materials ? (b) What are the various conditions necessary for photosynthesis ? (c) Name the various factors which affect the rate of photosynthesis in plants.
Answer» (a) Name the raw materials required for photosynthesis. How do plants obtain these raw materials ? (b) What are the various conditions necessary for photosynthesis ? (c) Name the various factors which affect the rate of photosynthesis in plants.

Discussion

2564.	Distinguish between biodegradable and non-biodegradable substances. List two effects of each of them on our environment.
Answer» Distinguish between biodegradable and non-biodegradable substances. List two effects of each of them on our environment.

Discussion

2565.	What is the isomer of sugar and glucose
Answer» What is the isomer of sugar and glucose

Discussion

2566.	Main product of photosynthesis.
Answer» Main product of photosynthesis.

Discussion

2567.	One of the following processes does not lead to the formation of clones. This is : (a) fission (b) fertilisation (c) fragmentation (d) tissue culture
Answer» One of the following processes does not lead to the formation of clones. This is : (a) fission (b) fertilisation (c) fragmentation (d) tissue culture

Discussion

2568.	Write a short note on skull.
Answer» Write a short note on skull.

Discussion

2569.	The trait represented by the coloured circles and squares below is inherited as a dominant allele. This is not a sex-linked trait.Shaded individuals represent the dominant trait. What is the probable genotype of shadedindividuals?
Answer» The trait represented by the coloured circles and squares below is inherited as a dominant allele. This is not a sex-linked trait. Shaded individuals represent the dominant trait. What is the probable genotype of shaded individuals?

2569.

The trait represented by the coloured circles and squares below is inherited as a dominant allele. This is not a sex-linked trait.Shaded individuals represent the dominant trait. What is the probable genotype of shadedindividuals?

Answer»

The trait represented by the coloured circles and squares below is inherited as a dominant allele. This is not a sex-linked trait.
Shaded individuals represent the dominant trait. What is the probable genotype of shaded
individuals?

Discussion

2570.	Explain reflex arc and reflex action briefly.
Answer» Explain reflex arc and reflex action briefly.

Discussion

2571.	What is brain?What is different types of brain?explain.What is receptor?What is reflex action?
Answer» What is brain?What is different types of brain?explain.What is receptor?What is reflex action?

Discussion

2572.	Question 28Dramatic changes of body features associated with puberty are mainly due to the secretion of(a) estrogen from testes and testosterone from the ovary(b) estrogen from adrenal gland and testosterone from pituitary gland(c) testosterone from testes and estrogen from the ovary(d) testosterone from the thyroid gland and estrogen from pituitary gland
Answer» Question 28 Dramatic changes of body features associated with puberty are mainly due to the secretion of (a) estrogen from testes and testosterone from the ovary (b) estrogen from adrenal gland and testosterone from pituitary gland (c) testosterone from testes and estrogen from the ovary (d) testosterone from the thyroid gland and estrogen from pituitary gland

Discussion

2573.	How does water enter root xylem across root cortex?
Answer» How does water enter root xylem across root cortex?

Discussion

2574.	24. In the kjeldahls method for estimation of nitrogen present in a soil sample, ammonia evolved from 0.75g of sample neutralized 10ml of 1M H2SO4. the percentage of nitrogen in the soil is
Answer» 24. In the kjeldahls method for estimation of nitrogen present in a soil sample, ammonia evolved from 0.75g of sample neutralized 10ml of 1M H2SO4. the percentage of nitrogen in the soil is

Discussion

2575.	List two major harmful effects of each of the following : (i) Rivers contaminated with sewage. (ii) Too much gaseous exhausts containing CO2 and SO2. (iii) Pesticides such as DDT used in agriculture. (iv) Prolonged noise such as the one produced by crackers
Answer» List two major harmful effects of each of the following : (i) Rivers contaminated with sewage. (ii) Too much gaseous exhausts containing $C O_{2} a n d S O_{2}$ . (iii) Pesticides such as DDT used in agriculture. (iv) Prolonged noise such as the one produced by crackers

2575.

List two major harmful effects of each of the following : (i) Rivers contaminated with sewage. (ii) Too much gaseous exhausts containing CO2 and SO2. (iii) Pesticides such as DDT used in agriculture. (iv) Prolonged noise such as the one produced by crackers

Answer»

List two major harmful effects of each of the following :

(i) Rivers contaminated with sewage.

(ii) Too much gaseous exhausts containing $C O_{2} a n d S O_{2}$ .

(iii) Pesticides such as DDT used in agriculture.

(iv) Prolonged noise such as the one produced by crackers

Discussion

2576.	Statement 1: Vacuoles are large and prominent in an animal cell and small in plant cell. statement 2: Centrosomes are absent in an animal cell.
Answer» Statement 1: Vacuoles are large and prominent in an animal cell and small in plant cell. statement 2: Centrosomes are absent in an animal cell.

2576.

Statement 1: Vacuoles are large and prominent in an animal cell and small in plant cell. statement 2: Centrosomes are absent in an animal cell.

Answer»

Statement 1: Vacuoles are large and prominent in an animal cell and small in plant cell.

statement 2: Centrosomes are absent in an animal cell.

Discussion

2577.	Why there is no need of adding new DNApolymerase in every cycle while using Taq polymerase?
Answer» Why there is no need of adding new DNApolymerase in every cycle while using Taq polymerase?

Discussion

2578.	The structural genes of lac operon transcribe mRNA which is
Answer» The structural genes of lac operon transcribe mRNA which is

Discussion

2579.	What is global warming and mention a few gases that cause global warming?
Answer» What is global warming and mention a few gases that cause global warming?

Discussion

2580.	The thread like structures which contain instructions for determination of sex of the baby are:
Answer» The thread like structures which contain instructions for determination of sex of the baby are:

Discussion

2581.	The hormone which regulates the amount of glucose in the blood by converting excess of glucose into glycogen (glycogenesis) __(1)__. The hormone which regulates glucose in the blood by converting glycogen (glycogenolysis) back to glucose whenever required is __(2)__.
Answer» The hormone which regulates the amount of glucose in the blood by converting excess of glucose into glycogen (glycogenesis) __(1)__. The hormone which regulates glucose in the blood by converting glycogen (glycogenolysis) back to glucose whenever required is __(2)__.

Discussion

2582.	The technique of obtaining a large number of plantlets by the tissue culture method is called
Answer» The technique of obtaining a large number of plantlets by the tissue culture method is called

Discussion

2583.	Which of the following statements about growth hormone are incorrect? A. It acts to promote the growth of bones and organs. B. Stimulate the adrenal gland. C. It acts on bone, cartilage, muscle, fat, liver and heart. D. Acts to maintain blood pressure.
Answer» Which of the following statements about growth hormone are incorrect? A. It acts to promote the growth of bones and organs. B. Stimulate the adrenal gland. C. It acts on bone, cartilage, muscle, fat, liver and heart. D. Acts to maintain blood pressure.

2583.

Which of the following statements about growth hormone are incorrect? A. It acts to promote the growth of bones and organs. B. Stimulate the adrenal gland. C. It acts on bone, cartilage, muscle, fat, liver and heart. D. Acts to maintain blood pressure.

Answer»

Which of the following statements about growth hormone are incorrect?

A. It acts to promote the growth of bones and organs.
B. Stimulate the adrenal gland.
C. It acts on bone, cartilage, muscle, fat, liver and heart.
D. Acts to maintain blood pressure.

Discussion

2584.	What is pubic symphysis
Answer» What is pubic symphysis

Discussion

2585.	Pure-bred pea plants A are crossed with pure-bred pea plants B. It is found that the plants which look like A do not appear in F1 generation but re-emerge in F2 generation.(a) Which of the plants A and B are: (i) tall, and (ii) dwarf?(b) Give reason for your answer.
Answer» Pure-bred pea plants A are crossed with pure-bred pea plants B. It is found that the plants which look like A do not appear in F₁ generation but re-emerge in F₂ generation. (a) Which of the plants A and B are: (i) tall, and (ii) dwarf? (b) Give reason for your answer.

Discussion

2586.	18. Liquids A(p'=360mmHg) and B(p'=320mm Hg) are mixed. If solution has vapour pressure 340 mm Hg, thenmole fraction of B in the solution will be where p' is pure vapour pressur
Answer» 18. Liquids A(p'=360mmHg) and B(p'=320mm Hg) are mixed. If solution has vapour pressure 340 mm Hg, thenmole fraction of B in the solution will be where p' is pure vapour pressur

Discussion

2587.	Explain what happens in prophase stage of mitosis.
Answer» Explain what happens in prophase stage of mitosis.

Discussion

2588.	What is capacitation of sperm? In which part of reproductive system do it takes place
Answer» What is capacitation of sperm? In which part of reproductive system do it takes place

Discussion

2589.	Each pollen grain carries ____ male nuclei.
Answer» Each pollen grain carries ____ male nuclei.

Discussion

2590.	Name the processes which maintain the balance between oxygen and carbon dioxide in the air. How is it done?
Answer» Name the processes which maintain the balance between oxygen and carbon dioxide in the air. How is it done?

Discussion

2591.	Name a waste gas released by the plants (a) only during the day time, and (b) only during the night time.
Answer» Name a waste gas released by the plants (a) only during the day time, and (b) only during the night time.

Discussion

2592.	Give appropriate terms for each of the following : (a) The onset of reproductive phase in a female. (b) Rupture of follicle and release of ovum from the ovary. (c) Monthly discharge of blood and disintegrated tissues in human female. (d) Process of fusion of ovum and sperm. (e) Fixing of developing zygote (blastocyst) on the uterine wall.
Answer» Give appropriate terms for each of the following : (a) The onset of reproductive phase in a female. (b) Rupture of follicle and release of ovum from the ovary. (c) Monthly discharge of blood and disintegrated tissues in human female. (d) Process of fusion of ovum and sperm. (e) Fixing of developing zygote (blastocyst) on the uterine wall.

2592.

Give appropriate terms for each of the following : (a) The onset of reproductive phase in a female. (b) Rupture of follicle and release of ovum from the ovary. (c) Monthly discharge of blood and disintegrated tissues in human female. (d) Process of fusion of ovum and sperm. (e) Fixing of developing zygote (blastocyst) on the uterine wall.

Answer»

Give appropriate terms for each of the following :

(a) The onset of reproductive phase in a female.

(b) Rupture of follicle and release of ovum from the ovary.

(c) Monthly discharge of blood and disintegrated tissues in human female.

(d) Process of fusion of ovum and sperm.

(e) Fixing of developing zygote (blastocyst) on the uterine wall.

Discussion

2593.	Question 2Can the wing of a butterfly and the wing of a bat be considered homologous organs? Why or why not?
Answer» Question 2 Can the wing of a butterfly and the wing of a bat be considered homologous organs? Why or why not?

Discussion

2594.	Label the parts of plants used in grafting process:
Answer» Label the parts of plants used in grafting process:

2594.

Label the parts of plants used in grafting process:

Answer»

Label the parts of plants used in grafting process:

Discussion

2595.	how does spum orginate?
Answer» how does spum orginate?

Discussion

2596.	Which of the following forms the first line of defense of the body against pathogens?
Answer» Which of the following forms the first line of defense of the body against pathogens?

Discussion

2597.	The sex of a baby is determined by which egg gets fertilized- one containing the X chromosome or one containing the Y chromosome. Do you agree? Give reasons.
Answer» The sex of a baby is determined by which egg gets fertilized- one containing the X chromosome or one containing the Y chromosome. Do you agree? Give reasons.

Discussion

2598.	A normal male marries a female who is a carrier of colour blindness. What is the possibility of this couple having a son suffering from colour blindness?
Answer» A normal male marries a female who is a carrier of colour blindness. What is the possibility of this couple having a son suffering from colour blindness?

Discussion

2599.	Question 6Explain the terms analogous and homologous organs with examples.
Answer» Question 6 Explain the terms analogous and homologous organs with examples.

Discussion

2600.	Which of the following is not industrial waste?
Answer» Which of the following is not industrial waste?

Discussion

Explore topic-wise InterviewSolutions in .

E Cell for the reaction Mno4 \pm 5F

What are the conditions of changing the order of magnitude ?

Why are molecular movements needed for life? Is this invisible molecular movement necessary for life?

Assertion (A): A group of apes split into two smaller groups - one evolved into the modern gorillas, and the other into the modern chimpazees and human beings. Reason (R): Bipedal locomotion is advantageous because it frees forelimbs for more actions.

The oxygen that is released during photosynthesis came from _____________ molecules.

Leguminous plants are able to fix atmosphericnitrogen through the process of symbiotic nitrogen fixation. Which one of thefollowing is not correct during the process of this nitrogen fixation?

Are breathing and respiration same? Give reasons.

In mitosis, the number of Chromosomes is (i) ______ and represents two different sets from each (ii) ______.

Choose the odd one out from below with respect to reproduction.(a) Eggs of hen.(b) Seeds of plants.(c) Buds of potato.(d) Roots of mango tree.

Describe the process of double fertilization.

a) What is the name of the structure in which ovum develops in the ovary of the female? b) What is the function of the epiglottis in a man? Is it same in the females?

N.Grew coined term tissue,but what that N's full form

(a) Name the raw materials required for photosynthesis. How do plants obtain these raw materials ? (b) What are the various conditions necessary for photosynthesis ? (c) Name the various factors which affect the rate of photosynthesis in plants.

Distinguish between biodegradable and non-biodegradable substances. List two effects of each of them on our environment.

What is the isomer of sugar and glucose

Main product of photosynthesis.

One of the following processes does not lead to the formation of clones. This is : (a) fission (b) fertilisation (c) fragmentation (d) tissue culture

Write a short note on skull.

The trait represented by the coloured circles and squares below is inherited as a dominant allele. This is not a sex-linked trait.Shaded individuals represent the dominant trait. What is the probable genotype of shadedindividuals?

Explain reflex arc and reflex action briefly.

What is brain?What is different types of brain?explain.What is receptor?What is reflex action?

How does water enter root xylem across root cortex?

24. In the kjeldahls method for estimation of nitrogen present in a soil sample, ammonia evolved from 0.75g of sample neutralized 10ml of 1M H2SO4. the percentage of nitrogen in the soil is

List two major harmful effects of each of the following : (i) Rivers contaminated with sewage. (ii) Too much gaseous exhausts containing CO2 and SO2. (iii) Pesticides such as DDT used in agriculture. (iv) Prolonged noise such as the one produced by crackers

Statement 1: Vacuoles are large and prominent in an animal cell and small in plant cell. statement 2: Centrosomes are absent in an animal cell.

Why there is no need of adding new DNApolymerase in every cycle while using Taq polymerase?

The structural genes of lac operon transcribe mRNA which is

What is global warming and mention a few gases that cause global warming?

The thread like structures which contain instructions for determination of sex of the baby are:

The hormone which regulates the amount of glucose in the blood by converting excess of glucose into glycogen (glycogenesis) __(1)__. The hormone which regulates glucose in the blood by converting glycogen (glycogenolysis) back to glucose whenever required is __(2)__.

The technique of obtaining a large number of plantlets by the tissue culture method is called

Which of the following statements about growth hormone are incorrect? A. It acts to promote the growth of bones and organs. B. Stimulate the adrenal gland. C. It acts on bone, cartilage, muscle, fat, liver and heart. D. Acts to maintain blood pressure.

What is pubic symphysis

Pure-bred pea plants A are crossed with pure-bred pea plants B. It is found that the plants which look like A do not appear in F1 generation but re-emerge in F2 generation.(a) Which of the plants A and B are: (i) tall, and (ii) dwarf?(b) Give reason for your answer.

18. Liquids A(p'=360mmHg) and B(p'=320mm Hg) are mixed. If solution has vapour pressure 340 mm Hg, thenmole fraction of B in the solution will be where p' is pure vapour pressur

Explain what happens in prophase stage of mitosis.

What is capacitation of sperm? In which part of reproductive system do it takes place

Each pollen grain carries ____ male nuclei.

Name the processes which maintain the balance between oxygen and carbon dioxide in the air. How is it done?

Name a waste gas released by the plants (a) only during the day time, and (b) only during the night time.

Question 2Can the wing of a butterfly and the wing of a bat be considered homologous organs? Why or why not?

Label the parts of plants used in grafting process:

how does spum orginate?

Which of the following forms the first line of defense of the body against pathogens?

The sex of a baby is determined by which egg gets fertilized- one containing the X chromosome or one containing the Y chromosome. Do you agree? Give reasons.

A normal male marries a female who is a carrier of colour blindness. What is the possibility of this couple having a son suffering from colour blindness?

Question 6Explain the terms analogous and homologous organs with examples.

Which of the following is not industrial waste?

In mitosis, the number of Chromosomes is (i) and represents two different sets from each (ii) .

The hormone which regulates the amount of glucose in the blood by converting excess of glucose into glycogen (glycogenesis) (1). The hormone which regulates glucose in the blood by converting glycogen (glycogenolysis) back to glucose whenever required is (2).