1. At cellular level, growth is an
a) Increase in cytoplasm
b) Increase in size
c) Increase in nuclear size
d) Increase in protoplasm
Explanation: At cellular level, growth is an increase in protoplasm
2. Which of the following is not the parameter for measuring growth?
a) Wet weight
b) Dry weight
c) Volume
d) Cell member
Explanation: Wet weight
3. One single maize root apical meristem can give rise to how many cells per hour?
a) 17500
b) >17500
c) < 17500
d) None of these
Explanation: >17500
4. By how many times, the cells of watermelon increase in size?
a) 3,15,000
b) 3,50,000
c) 3,25,000
d) 3,17,000
Explanation: 3,50,000
5.In question 3 and 4 respectively growth can be expressed as increase in cell.
a) Size, number
b) Volume, size
c) Number, size
d) Size, volume
Explanation: Number, size
6.Growth of pollen tube is measured in terms of
a) Weight
b) Width
c) Volume
d) Length
Explanation: Growth of pollen tube is measured in terms of length.
7. Growth of a dorsiventral leaf can be measured in terms of ________
a) Length
b) Width
c) Volume of cells
d) Surface area
Explanation: Growth of a dorsiventral leaf can be measured in terms of surface area
8.Which of the following are phases of growth?
a) Meristemation
b) Elongation
c) Maturation
d) All of these
Explanation: All of these
9. Identify A, B, C, D and E in the given figure.
a) A–Epicotyl hook, B–Soil line, C–Cotyledons, D–Hypocotyl, E–Seed coat
b) A–Soil line, B–Seed coat, C–Hypocotyl, D–Epicotyl hook, E–Cotyledons
c) A–Seed coat, B–Soil line, C–Cotyledons, D–Epicotyl hook, E–Hypocotyl
d) A–Hypocotyl, B–Seed coat, C–Epicotyl hook, D–Cotyledons, E–Soil line
Explanation: A–Seed coat, B–Soil line, C–Cotyledons, D–Epicotyl hook, E–Hypocotyl
10. Which of the following represent meristematic phase of growth?
a) Root apex
b) Shoot apex
c) Both (a) and (b)
d) None of these
Explanation: Both (a) and (b)