Quiz on Plant Growth Regulators

This quiz is designed to assess your basic knowledge in ‘Plant growth regulators’.Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.
Quiz on Plant Growth Regulators

1. Phytohormones
hormones regulating flowering
hormones regulating secondary growth
hormones regulating growth from seed to adulthood
groth regulators synthesised by plants and influencing physiological process
2. The phytohormone which induces triple response is
IAA
ABA
GA3
C2H4
3. Gibberellic acid induces flower
in short day plants under short day conditions
in some gymnospermic plants only
in day neutral plants under dark conditions
in long day plants under short day conditions
4. Which breaks dormancy of potato tuber
ABA
IAA
Zeatin
Gibberellin
5. Ripening of banana is accompanied with
sudden rise in cytokinin
sudden rise in auxin
sudden rise in ethylene
sudden rise in gibberellin
6. Auxin is synthesized in which part of the plant?
apical
nodal
internodal
axillary
7. Coconut milk stimulates cell division as it is a rich source of
auxin
gibberellin
cytokinin
ethylene
8. The most abundant occurring plant hormone is
cytokinin
ABA
IBA
Indole 3 acetic acid
9. Which one of the following pairs is incorrectly matched?
adenine derivative -kinetin
terpenes -IAA
gas-ethylene
indole compounds-IBA
10. Parthenocarpic development of fruit is brought about by
NAA, 2 T
2,4-D
NAA, 2,4-D
2,4, 5-T
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