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When ovule is straight with funiculus, ...

When ovule is straight with funiculus, embryo sac, chalaza and micropyle lying in a straight vertical line, it is known as
1. orthotropous
2. anatropous
3. campylotropous
4. amphitropous

A

orthotropous

B

anatropous

C

campylotropous

D

amphitropous

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The correct Answer is:
A
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TRUEMAN BIOLOGY-SEXUAL REPRODUCTION IN FLOWERING PLANTS-MULTIPLE CHOICE QUESTIONS
  1. In tenuinucellate type of ovule

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  2. Crassinucellate ovule shows: 1. Developed nucellus 2. Partially dev...

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  3. When ovule is straight with funiculus, embryo sac, chalaza and microp...

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  4. Ovule is inverted (resupinates at 180^(@)) with body fused to funicle,...

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  5. Ovule of Opuntia is coiled and turn at more kthan 360^(@) angle, i...

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  6. Female gametophyte (megagametophyte of aniosperms) is represented b...

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  7. The female gametophyte (embryo sac) of a typical dicot (Polygonum) at...

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  8. Number of chromosomes is 24 in nucellus. Number of chromosomes in micr...

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  9. Base of nucellus from which integument arises is

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  10. The megasporangium of the angiosperms on maturation gives rise to

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  11. Megasporophyll of Pinus is equivalent to angiospermic

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  12. What do you think is the correct sequence of the development of the e...

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  13. Embryo sac develops from megaspore mother cell through

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  14. The plant part which consists of two generations one within the other ...

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  15. Function of guiding and attracting pollen tube towards egg is done by

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  16. In flowering plants archesporium gives rise to

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  17. The number of chromosomes in leaf tip cell of plant is 6. The number ...

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  18. In angiosperms, a mature male gametophyte is formed from a pollen moth...

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  19. The filiform apparatus is present in

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  20. The haploid cell which divides by mitosis to form embryosac is

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