11th
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University

Biology

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1. Multiple Choice
1 minute
1 pt
Which one of the following is a Gaseous plant Hormone?
Auxin
Ethylene
Cytokinin
ABA
2. Multiple Choice
1 minute
1 pt
Which one of the following is a Precursor of Auxin?
Tryptophan
Kaurene
Zeatin
Methionine
3. Multiple Choice
1 minute
1 pt
Which one of the following is a precursor of plant growth hormone Ethylene?
Tryptophan
IAA
Pyrophosphate
Methionine
4. Multiple Choice
1 minute
1 pt
Which one of the following is a "Fruit Ripening Hormone"?
Auxin
ABA
Ethylene
Polyamines
5. Multiple Choice
1 minute
1 pt
Which plant hormone help in Stomata Closing?
Auxin
Ethylene
Cytokinin
ABA
6. Multiple Choice
1 minute
1 pt
Which one of the following plant hormone produce extraordinary elongation of stem?
Gibberellins
Auxin
Cytokinin
Zeatin
7. Multiple Choice
1 minute
1 pt
Which plant growth hormone promotes cell division?
Auxin
Cytokinin
ABA
Ethylene
8. Fill in the Blank
1 minute
1 pt
A large number of chemical substances are known to inhibit the biosynthesis and activity of Gibberellins in plants are known as.....
9. Multiple Choice
1 minute
1 pt
A cytokinin like substance isolated from milky endosperm of Zea mays is known as
Auxin
Nucellus
Zeatin
ABA
10. Multiple Choice
1 minute
1 pt
Which one of the following is an Anti-auxin?
TIBA
Phosphon-D
B-995
AMO-1618
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