Top 150+ Solved Growth and Development in Plants MCQ Questions Answer
Q. What is the maximum period of growth ?
a. Slow growth rate
b. Steady growth rate
c. Speedy growth rate
d. Senescence phase
Q. Which apparatus is used for measurement of growth ?
a. Auxanometer
b. Potometer
c. Photometer
d. Hydrometer
Q. Ethylene is responsible for
a. Flowering
b. Disease in roots
c. Ripping of fruits
d. Formation of fruits
Q. Which substances are secreted at the apex of plant and they regulates growth of another region ?
a. Enzyme
b. Hormones
c. Vitamins
d. None of the above
Q. Which type of growth is seen in plants?
a. Irreversible
b. Increase in volume
c. Local
d. Reversible
Q. Which of the following sustance is not related with initiation of growth ?
a. ABA
b. Gibberrelin
c. IAA
d. Cytokinin
Q. Which group is correct for the growth inducer hormone ?
a. IAA, ABA and cytokinin
b. IAA, Gibberrelin, ABA
c. IAA, Gibberrelin, cytokinins
d. ABA, Ethylene
Q. Mention the effect of cytokinin
a. It induces cell division and retards the process of senescence
b. It maintains dormancy
c. It induces senescence
d. It inhibits cell division
Q. Give full form of 2-4-D
a. 2-4 dichloro phenoxy acetic acid
b. 2-4 dichloro butyric acid
c. 2-4 dichloro nepthalic acetic acid
d. 2-4 dichloro ethylenic acid
Q. Which of the following stimulates growth in the internode region ?
a. Auxin
b. Gibberrelin
c. Cytokinin
d. Abscisic acid
Q. Oat - coleoptile test (coleoptile-test) is conducted for which hormone ?
a. Abscisic acid
b. Gibberrelic acid (GA)
c. Indole acetic acid (IAA)
d. Indole naphthalne acetic acid (INAA)
Q. Gibberrelin participate in which of the following process?
a. Removal of seed dormancy
b. Developing seed less fruit
c. Growth of internodes
d. All of the above
Q. Tropic movement is due to
a. Bidirectional effect of environmental factors on plant parts
b. Unidirectional effect of environmental factors on plant parts
c. Multidirectional effect of environmental factors on plant parts
d. No effect of environmental factors on plant parts