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The development of young embryos of pter...

The development of young embryos of pteridophytes within the female gametophytes is a precursor to the

A

Aquatic habit

B

Autotrophic habit

C

Seed habit

D

Parasitic habit

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The correct Answer is:
C
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statement 1: In heterosporous pteridophytes, development of zygote into young embryo takes place within the female gametophyte. statement 2: Heterospory is one of the essentiality for seed habit in plants.

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AAKASH INSTITUTE ENGLISH-PLANT KINGDOM -ASSIGNMENT SECTION -A (Objective Type Questions)
  1. In Selaginella the embryo develops into

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  2. In pteridophytes, the megaspore germinates to form

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  3. The development of young embryos of pteridophytes within the female ga...

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  4. Which of the following possess vascular tissues but lacks seeds ?

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  5. The main plant body is differentiated into true root, stem and leaves ...

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  6. Evolutionarily the first terrestrial plants to possess vascular tissue...

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  7. In pteridophytes, fusion of gametes takes place in

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  8. The first seeded plants are the

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  9. Gymnosperms have

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  10. Which of the following has both the male and female cones on same plan...

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  11. Which of the following plants possess naked seeds ?

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  12. The megaspore mother cell is differentiated from one of the cells od t...

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  13. Coralloids roots of have symbiotic association with N(2)- fixing cyano...

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  14. The cones bearing microsporophylls are know as

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  15. Pollen grains are released from

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  16. In angiosperms the sporophylls are organised into

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  17. Which of the following angiosperm is almost microscopic ?

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  18. The endosperm in angiosperm is

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  19. Fusion a male gamete with the secondary nucleus forms the

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  20. In angiosperm, the female gametophyte is the

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