Explore topic-wise MCQs in Life Sciences.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following term defines the mechanical removal of the seed coat?

A. Germination
B. Dormancy
C. Scarification
D. Scetullum
Answer» D. Scetullum
2.

Name the movement of the plant in response to a magnetic field?

A. Geotaxis
B. Magnetotaxis
C. Phototaxis
D. Rheotaxis
Answer» C. Phototaxis
3.

Name the term which defines the plant movement by touch?

A. Seismonasty
B. Thigmonasty
C. Nyctinasty
D. Photonasty
Answer» C. Nyctinasty
4.

Which of the following is NOT a Nastic movement?

A. Photonasty
B. Theremonasty
C. Seismonasty
D. Phytonasty
Answer» E.
5.

Which of the following controls the distribution of auxin in the roots?

A. LEAFY
B. IAA
C. PIN
D. AP2
Answer» D. AP2
6.

Name the term which is given to the plants that grow at right angles to the direction of gravity.

A. Diagravitropic
B. Positive gravitropism
C. Negaitve gravitropism
D. Plagiogravitropic
Answer» B. Positive gravitropism
7.

The roots of the plant are negatively phototropic.

A. True
B. False
Answer» B. False
8.

The movement in a plant caused as a result of differential growth is called___________

A. Tactic movement
B. Tropic movement
C. Turgor movement
D. Growth movement
Answer» E.