EASY
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IMPORTANT
Earn 100

Plants follow different pathways in response to environment or phases of life to form different kinds of structures. This ability is called:

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Important Questions on Plant Growth and Development

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NDA & NA EE
IMPORTANT
Inability of viable seeds to germinate even under suitable environmental condition is known as
EASY
NDA & NA EE
IMPORTANT
Hormone involved in phototropism is
EASY
NDA & NA EE
IMPORTANT
Which of the following is a growth inhibitor?
MEDIUM
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IMPORTANT
Functions of plant growth promoters and plant growth inhibitors are given here in a jumbled up manner. Select the option that correctly segregates these functions.
(i) Cell division
(ii) Cell enlargement
(iii) Pattern formation
(iv) Tropic growth
(v) Flowering
(vi) Fruiting
(vii) Seed germination
(viii) Response to wounding
(ix) Response to stresses
(x) Dormancy of biotic and abiotic origin
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NDA & NA EE
IMPORTANT
The plant hormone used to destroy weeds in a field is:
MEDIUM
NDA & NA EE
IMPORTANT
Identify the incorrect statement/s.
1. Kinetin is a derivative of adenine which is a pyrimidine.
2. The technique of decapitation is widely used in tea plantations.
3. Ethylene is gaseous plant hormone.
4. Use of GA3 hastens the malting process in brewing industry.
5. ABA is a growth promoter.