1. What occurs due to the plants growth and development?
a) Leaves, flowers, fruits, etc., arise in an orderly pattern
b) Increase in girth
c) Falling of leaves and fruits
d) All the above
Explanation: All the above
2. Development consists of
a) Growth
b) Differentiation
c) Both (a) and (b)
d) None of these
Explanation: Development consists of growth and differentiation
3.Which of the following is correct about the development of a mature plant from a zygote?
a) Follows a precise and ordered succession of events
b) Only differentiation occurs
c) Occurs due to environmental eff ect only
d) None of the above
Explanation: Follows a precise and ordered succession of events
4.What kinds of factors govern a plant’s developmental process?
a) Intrinsic factors
b) Extrinsic factors
c) Both (a) and (b)
d) None of these
Explanation: Both (a) and (b)
5. All cells of the plants are descendants of
a) Zygote
b) Seeds
c) gametes
d) Both (b) and (c)
Explanation: All cells of the plants are descendants of zygote.
6. Appearance and fall of fruits occurs due to
a) Hormonal infl uence
b) Growth and development
c) Diff erentiation
d) Both (a) and (b)
Explanation: Both (a) and (b)
7. Which is one of the most fundamental and conspicuous characteristic of living being?
a) Development
b) Diff erentiation
c) Maturation
d) Growth
Explanation: Growth
8. What is an irreversible permanent increase in size of an organ or its part or even of an individual
cell?
a) Development
b) Differentiation
c) Growth
d) Maturation
Explanation: Growth
9. Growth is accompanied by
a) Anabolism
b) Catabolism
c) Both (a) and (b)
d) None of these
Explanation: Growth is accompanied by both anabolism and catabolism.
10. Metabolism occurs on the expense of
a) Nutrition
b) Water
c) Energy
d) Hormones
Explanation: Metabolism occurs on the expense of energy.