Top 150+ Solved Growth and Development in Plants MCQ Questions Answer
Q. Which type of meristematic tissue is found in monocot plant for growth ?
a. Intercalary meristematic tissue
b. Apical meristem tissue
c. Lateral meristem tissue
d. Meristematic tissue
Q. Which of the following is increased in plants as a result of growth ?
a. Dry volume
b. Width
c. Number
d. Dry weight
Q. Which of the following is criteria for measurement of growth ?
a. Number
b. Weight
c. Volume
d. All a, b, c
Q. In which phase of growth size of vacuole increases ?
a. Cell formation
b. Cell elongation
c. cell difterentiation
d. Cell transfer
Q. What is the optimum temperature for growth of the plants ?
a. 25 to 30oC
b. 28 to 30oC
c. 0 to 30oC
d. 0 to 28oC
Q. Which apparatus is used for exact measuring of growth of plants in longitudinal axis ?
a. Measuring scale
b. Auxanometer
c. Manometer
d. Sphigomanometer
Q. Growth regulators are chemically ........
a. Organic chemical
b. Inorganic chemicals
c. Minerals
d. Vitamins
Q. From where auxin was isolated for the first time ?
a. Coleoptile of oat
b. Sperm cell of herring fish
c. Paddy plant
d. Human urine
Q. Which of the following should be used for the control of weeds in farms ?
a. Cytokinin
b. Auxin
c. Gibberrelin
d. Ethylene
Q. Which chemical induces formation of adventitious roots ?
a. Gibberrelin
b. IAA
c. Abscisic acid
d. Cytokinins
Q. Which is incorrect for the effects of auxin ?
a. Induces +ve phototropism
b. Induces growth and length in stem
c. Shows apical dominance
d. Induces -ve phototropism in roots
Q. From where indole acetic acid an organic substance was isolated for the first time ?
a. Animal fat
b. Gibberrela
c. Human urine
d. Fish
Q. Cytokinin is formed in which of the following region ?
a. Region of cell elongation
b. Regions of senescence
c. Regions of cell division
d. Regions of abscission