Explore topic-wise MCQs in Biology Questions and Answers.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Biology Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

Statement A: Transpiration creates pressure in xylem sufficient enough to transport water up to 130 m high.

A. Statement B: Transpiration creates a pushing force.
B. Both the statements are true
C. Both the statements are false
D. Statement A is true but Statement B is false
E. Statement B is true but Statement A is false
Answer» D. Statement A is true but Statement B is false
Discussion
2.

Statement A: Inner wall is pushed outwards

A. Statement B: Outer wall is pulled outwards
B. Both the statements are true
C. Both the statements are false
D. Statement A is true but Statement B is false
E. Statement B is true but Statement A is false
Answer» E. Statement B is true but Statement A is false
Discussion
3.

Statement A: C3 plants are twice efficient as C4 plants in terms of fixing carbon dioxide.

A. Statement B: C4 plant loses twice the amount of water as C3 plant for same amount of CO2 fixed.
B. Both the statements are true
C. Both the statements are false
D. Statement A is true but Statement B is false
E. Statement B is true but Statement A is false
Answer» C. Both the statements are false
Discussion