Biology Question and Answers

1. Each organised skeletal muscle in our body is made up of a number of muscle bundles held together by a common collagenous connective tissue layer called _____.

JIPMER 2015 Locomotion and Movement

2. In a plant cell, which of the following pigments participates directly in the light reactions of photosynthesis?

Photosynthesis in Higher Plants

3. Continuous activity of vascular cambium results in

Anatomy of Flowering Plants

4. Consider the following two statements and select the correct option.
Statement I: Orchid is a monocotyledonous endospermic seed while castor is a dicotyledonous non-endospermic seed.
Statement II: In monocotyledonous seed (wheat and maize) there is only one cotyledon while in dicotyledonous seed (gram and pea) there are two cotyledons.

Morphology of Flowering Plants

5. The lipid component of the membrane mainly consists of __________.

Cell : The Unit of Life

6. Infection causing living fluid is given by -

Biological Classification

7. Which organ does secretin acts on?

NTA Abhyas 2020

8. Which of these structures is not found in both a monocot root and a dicot stem?

NTA Abhyas 2020 Anatomy of Flowering Plants

9. Which of the following statement for early wood is correct?

Anatomy of Flowering Plants

10. The largest phylum, with jointed appendages, chitinous exoskeleton requiring ecdysis, open circulatory system with haemocoel, and malpighian tubules for excretion, refers to?

Animal Kingdom

11. In each of the following question two statements are given.
In the light of the given statements, choose the correct answer from the options given below.
Statement I The margins are covered due to overlapping in valvate aestivation.
Statement II In mustard, the adjacent petals lie well apart from one another.

Morphology of Flowering Plants

12. Which operation in stack removes the last added element?

Mineral Nutrition

13. Match the following columns and choose the correct option.

Column I Column II

1 Smooth muscles a Muscles of heart

2 Cardiac muscles b Reproductive tract

3 Voluntary muscles c Closely associated with the skeletal components of the body

Column I	Column II
1	Smooth muscles	a	Muscles of heart
2	Cardiac muscles	b	Reproductive tract
3	Voluntary muscles	c	Closely associated with the skeletal components of the body

Locomotion and Movement

14. Assertion (A) : ABA helps seed to withstand desiccation and other factors unfavourable for growth.
Reason (R) : ABA induces seed dormancy.

Plant Growth and Development

15. Cancer detection is based on
(A) Biopsy
(B) Histopathological studies of tissue
(C) Blood test
(D) Bone marrow test

Human Health and Disease

16. Insectivorous plants grow in area deficient in

Biological Classification

17. Read the following and select the incorrect statements:
A. The placenta acts as a permanent endocrine tissue and produces several hormones.
B. During pregnancy levels of cortisol, prolactin, thyroxine, and estrogen hormones also increase several folds in maternal blood.
C. The second meiotic division of secondary spermatocyte in females is unequal and results in the formation of a polar body.
D. The secondary follicle transforms into a tertiary follicle which is characterized by a fluid-filled cavity called the antrum.

NTA Abhyas 2020 Human Reproduction

18. All of given organisms are prokaryotes, except

Cell : The Unit of Life

19. Asexual reproduction is a method of reproduction in which participation of.......... takes place.

Reproduction in Organisms

20. Consider the following statements w.r.t. human genome project and select the wrong choice:

Molecular Basis of Inheritance

21. Which cell must be present in mucus secreting organs?

AIIMS 2019

22. Which of the following organisms included in protists?

Biological Classification

23. The person with Turner's syndrome has

Principles of Inheritance and Variation

24. Which of the following equations is correct?

Breathing and Exchange of Gases

25. Bacteria on its outer layer contains

NTA Abhyas 2020 Biological Classification

26. Botanical gardens and zoological parks have

The Living World

27. Read the given statements about outcrossing.
I. It is the breeding between animals within the same breed which do not have common ancestors on either side of their pedigree up to $4-6$ generations.
II. It is done to increase milk production and growth rate in animals.
Which of the statement (s) given above is/are correct?

Strategies for Enhancement in Food Production

28. Read the given statements and select the correct option.
Statement 1 : At the end of prophase, cells do not show Golgi complexes, endoplasmic reticulum and nucleolus. Statement 2 : The complete disintegration of nuclear envelope marks the end of first phase of mitosis.

Cell Cycle and Cell Division

29. Loop of Henle is meant for absorption of:

VMMC Medical 2005

30. Late blight of potato is caused by

Rajasthan PMT 2003

Biology Questions

Biology Questions

1. Each organised skeletal muscle in our body is made up of a number of muscle bundles held together by a common collagenous connective tissue layer called _____.

2. In a plant cell, which of the following pigments participates directly in the light reactions of photosynthesis?

3. Continuous activity of vascular cambium results in

5. The lipid component of the membrane mainly consists of __________.

6. Infection causing living fluid is given by -

7. Which organ does secretin acts on?

8. Which of these structures is not found in both a monocot root and a dicot stem?

9. Which of the following statement for early wood is correct?

10. The largest phylum, with jointed appendages, chitinous exoskeleton requiring ecdysis, open circulatory system with haemocoel, and malpighian tubules for excretion, refers to?

12. Which operation in stack removes the last added element?

13. Match the following columns and choose the correct option.

Column I Column II

1 Smooth muscles a Muscles of heart

2 Cardiac muscles b Reproductive tract

3 Voluntary muscles c Closely associated with the skeletal components of the body

14. Assertion (A) : ABA helps seed to withstand desiccation and other factors unfavourable for growth.
Reason (R) : ABA induces seed dormancy.

15. Cancer detection is based on
(A) Biopsy
(B) Histopathological studies of tissue
(C) Blood test
(D) Bone marrow test

16. Insectivorous plants grow in area deficient in

18. All of given organisms are prokaryotes, except

19. Asexual reproduction is a method of reproduction in which participation of.......... takes place.

20. Consider the following statements w.r.t. human genome project and select the wrong choice:

21. Which cell must be present in mucus secreting organs?

22. Which of the following organisms included in protists?

23. The person with Turner's syndrome has

24. Which of the following equations is correct?

25. Bacteria on its outer layer contains

26. Botanical gardens and zoological parks have

28. Read the given statements and select the correct option.
Statement 1 : At the end of prophase, cells do not show Golgi complexes, endoplasmic reticulum and nucleolus. Statement 2 : The complete disintegration of nuclear envelope marks the end of first phase of mitosis.

29. Loop of Henle is meant for absorption of:

30. Late blight of potato is caused by

Biology Questions

Biology Questions

1. Each organised skeletal muscle in our body is made up of a number of muscle bundles held together by a common collagenous connective tissue layer called _____.

2. In a plant cell, which of the following pigments participates directly in the light reactions of photosynthesis?

3. Continuous activity of vascular cambium results in

5. The lipid component of the membrane mainly consists of __________.

6. Infection causing living fluid is given by -

7. Which organ does secretin acts on?

8. Which of these structures is not found in both a monocot root and a dicot stem?

9. Which of the following statement for early wood is correct?

10. The largest phylum, with jointed appendages, chitinous exoskeleton requiring ecdysis, open circulatory system with haemocoel, and malpighian tubules for excretion, refers to?

12. Which operation in stack removes the last added element?

13. Match the following columns and choose the correct option. Column I Column II 1 Smooth muscles a Muscles of heart 2 Cardiac muscles b Reproductive tract 3 Voluntary muscles c Closely associated with the skeletal components of the body

14. Assertion (A) : ABA helps seed to withstand desiccation and other factors unfavourable for growth. Reason (R) : ABA induces seed dormancy.

15. Cancer detection is based on (A) Biopsy (B) Histopathological studies of tissue (C) Blood test (D) Bone marrow test

16. Insectivorous plants grow in area deficient in

18. All of given organisms are prokaryotes, except

19. Asexual reproduction is a method of reproduction in which participation of.......... takes place.

20. Consider the following statements w.r.t. human genome project and select the wrong choice:

21. Which cell must be present in mucus secreting organs?

22. Which of the following organisms included in protists?

23. The person with Turner's syndrome has

24. Which of the following equations is correct?

25. Bacteria on its outer layer contains

26. Botanical gardens and zoological parks have

28. Read the given statements and select the correct option. Statement 1 : At the end of prophase, cells do not show Golgi complexes, endoplasmic reticulum and nucleolus. Statement 2 : The complete disintegration of nuclear envelope marks the end of first phase of mitosis.

29. Loop of Henle is meant for absorption of:

30. Late blight of potato is caused by

13. Match the following columns and choose the correct option.

Column I Column II

1 Smooth muscles a Muscles of heart

2 Cardiac muscles b Reproductive tract

3 Voluntary muscles c Closely associated with the skeletal components of the body

14. Assertion (A) : ABA helps seed to withstand desiccation and other factors unfavourable for growth.
Reason (R) : ABA induces seed dormancy.

15. Cancer detection is based on
(A) Biopsy
(B) Histopathological studies of tissue
(C) Blood test
(D) Bone marrow test

28. Read the given statements and select the correct option.
Statement 1 : At the end of prophase, cells do not show Golgi complexes, endoplasmic reticulum and nucleolus. Statement 2 : The complete disintegration of nuclear envelope marks the end of first phase of mitosis.