NEET Botany
Double Fertilization
Low Priority
Consistency: 20%
Weightage: 4 / 20 Yrs
High-Yield Trend
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2023 1
2019 1
2018 1
2017 Questions 4 MCQs
01
PYQ 2017
easy
botany ID: neet-201
Double fertilization is exhibited by:
| 1. | Algae | 2. | Fungi |
| 3. | Angiosperms | 4. | Gymnosperms |
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02
PYQ 2018
easy
botany ID: neet-201
Double fertilization is:
| 1. | Fusion of two male gametes of a pollen tube with two different eggs |
| 2. | Fusion of one male gamete with two polar nuclei |
| 3. | Fusion of two male gametes with one egg |
| 4. | Syngamy and triple fusion |
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03
PYQ 2019
easy
botany ID: neet-201
What is the fate of the male gametes discharged in the synergid?
| 1. | One fuses with the egg and the other fuses with central cell nuclei |
| 2. | One fuses with the egg and the other(s) degenerate(s) in the synergid |
| 3. | All fuse with the egg |
| 4. | One fuses with the egg and the other(s) fuse(s) with a synergid nucleus |
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04
PYQ 2023
easy
botany ID: neet-202
In angiosperm, the haploid, diploid and triploid structures of a fertilized embryo sac sequentially are :
| 1. | Synergids, antipodals and Polar nuclei |
| 2. | Synergids, Primary endosperm nucleus and zygote |
| 3. | Antipodals, synergids, and primary endosperm nucleus |
| 4. | Synergids, Zygote and Primary endosperm nucleus |
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