Top 150+ Solved Growth and Development in Plants MCQ Questions Answer

a. Sigmoid graph

b. Normal growth period

c. Maximum growth period

d. Grand period of growth

a. 20-30 o C

b. 35-40 o C

c. 10-15 o C

d. 15-20 o C

a. ABA

b. Auxin

c. Gibberrellin

d. Cytokinin

a. Thigmotropism

b. Thermotropism

c. Hydrotropism

d. Phototropism

a. Indole- 3 acetic anhydrase

b. Indole-3 acetic acid

c. Indole- 3 aceto acetate

d. Indole-3 aceto-acetic

a. Dwarfism of tall plant genetically

b. Elongation of short plant genetically

c. Growth in size of stem and root formation

d. Yellowing of young leaves

a. Sodium chloride

b. IAA

c. Ethylene gas

d. kinetin

a. Auxin

b. Cytokinin

c. Gibberrelin

d. Ethylene

a. Phototropism

b. Photorespiration

c. Photo-period

d. Geotropism

a. Absorption of mineral salt

b. Absorption of water

c. Elongation of internodes

d. Ascent of sap

a. With increased concentration of auxin

b. With decreased concentration of auxin

c. With increased concentration of gibberrelin

d. With decreased concentraton of gibberelin

a. Growth graph related to light

b. Effect of photoperiod on the growth of plant, which results flowering

c. Rapid growth in low temperature

d. Daily photo period

a. Tryptophan

b. Lucine

c. Tyrosine

d. Phehyl alamine

a. Growth of apical bud is inhibited due to nearby lateral buds

b. Growth of apical bud is promoted due to removal of nearest lateral buds

c. Removal of apical bud hinders growth of lateral buds

d. Development of lateral buds hinders due to presence of apical bud

a. Benzyl amino purine

b. 2,4- dichlorophenoxy acetic acid

c. Ethylene

d. Abscisic acid