MCQs Botany-29

1. Which phytohormone plays the most significant role in regulating plant height by promoting stem elongation?

2. Which of the following describes a symbiotic association between the hyphae of a fungus and the roots of a plant?

3. Photonasty is a ———- plant movement that occurs in response to light intensity

4. _____________ play a crucial role in the nitrogen cycle by oxidizing ammonia (NH4+) to nitrite (NO2-)

5. Phytohormone _________ is involved in the induction of “triple response” (reduced elongation, thickened stem, exaggerated curvature)

6. Select the correct counterpart that has the same relation with the given word:
Mountain : Hill :: Tree : __________?

7. Manchester is known for ___________ due to its historical dominance in the textile industry during the Industrial Revolution

8. Which phytohormone is primarily responsible for inducing seed dormancy and inhibiting germination under unfavorable conditions?

9. Based on morphological and molecular evidence, which of these dicotyledonous families is considered the most evolutionarily advanced?

10. Which of the following is NOT typically represented on a climograph?