NEET Biology is the scoring paper in the medical entrance examination. Here, you will discover the NEET Biology MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Biology Plant Movement Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.
MCQs on Plant Movement
1. If the stem grows towards sunlight and root grows just opposite to it, the stem movement us known as
(a) phototropic movement
(b) negative phototropic movement
(c) positive phototropic movement
(d) none of these
Answer
Answer: (c)
2. An apparatus commonly used to demonstrate phototropism is
(a) clinostat
(b) heliotropic chamber
(c) potometer
(d) arc auxanometer
Answer
Answer: (b)
3. Protoplasmic streaming movements are referred to as
(a) photonasty
(b) thigmonasty
(c) autonomic movements of locomotion
(d) movements of curvature
Answer
Answer: (c)
4. Tertiary roots are
(a) negatively geotropic
(b) ageotropic
(c) positively geotropic
(d) plagiogeotropic
Answer
Answer: (b)
5. The best material for demonstrating streaming movements of protoplasm within living cells is
(a) pith cells
(b) onion peelings
(c) staminal hairs of Tradescantia
(d) None of these
Answer
Answer: (c)
6. Pneumatophores show
(a) thigmotropism
(b) negative phototropism
(c) negative geotropism (ageotropism)
(d) positive geotropism
Answer
Answer: (c)
7. Factors that modify geotropic responses are
(a) root and shoot apices, humidity and temperature
(b) root and shoot apices, phytochrome, humidity and temperature
(c) root and shoot apices, temperature, light and atmospheric carbon dioxide
(d) none of these
Answer
Answer: (a)
8. In Drosera, movement of tentacles are
(a) Thermonastic
(b) Photomastic
(c) Seismonastic
(d) Thigmonastic
Answer
Answer: (d)
9. Nastic movements differ from tropic movements in being
(a) Nondirectional
(b) Movements of variation
(c) Stimulated by chemicals
(d) Directional
Answer
Answer: (a)
10. Movements of leaves of sensitive plant, Mimosa pudica are due to
(a) seismonasty
(b) chemonasty
(c) thermonasty
(d) hydrotropism
Answer
Answer: (a)