NEET Zoology Plant Growth And Development Class 11 Questions

Read the following statements on plant growth and development. A. Parthenocarpy can be induced by auxins. B. Plant growth regulators can be involved in promotion as well as inhibition of growth. C. Dedifferentiation is a pre-requisite for re-differentiation. D. Abscisic acid is a plant growth promoter. E. Apical dominance promotes the growth of lateral buds. Choose the option with all correct statements.

Which of the following is not an inhibitory substance governing seed dormancy?

Fruit and leaf drop at early stages can be prevented by the application of

What causes a green plant exposed to the light, on only one side, to bend toward the source of light as it grows?

Typical growth curve in plants is

A few normal seedlings of tomato were kept in a dark room. After a few days they were found to have become white-colored like albinos. Which of the following terms will you use to describe them?

Which of the following statements is not true about somatic embryogenesis?