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Which one of the following is regarded a...

Which one of the following is regarded as advantage of self-pollination (A) In this process the purity of species is maintained (B) This process is not dependent on any carriers (C) This process does not not require huge number of pollen grains (D) all of these

A

In this process the purity of species is manitained

B

This process is not dependent on any carriers

C

This process does not not require huge number of pollen grains

D

all of these

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UNITED BOOK HOUSE-2019 QUESTION PAPER-EXERCISE
  1. According to chargaffs rule which one of the following is correct? A)...

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  2. F2 phenotypic ratio of 1: 2: 1 in monohybrid cross indicates the prese...

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  3. Which one of the following is regarded as advantage of self-pollinatio...

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  4. The hormone controlling parturition is -

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  5. The cloning vector pBR^322 used in genetic engineering is a/an- (A) ...

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  6. Sunder Lal Bahuguna was the leader of which one of the following movem...

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  7. An example of secondary air pollutant is (A) Sulphur dust (B) Aromati...

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  8. Which one of the following is a bacterial insecticide?- (A) Verticil...

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  9. Vermiform Appendix in humans is a ............ evidence of evolution- ...

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  10. If the tip of the pollen tube enters into the embryo sac of the ovule ...

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  11. Example of Polygenic Inheritance is - (A) Human skin color (B) Sickl...

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  12. What is Biofortification?

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  13. Mention any one function of the Prostate gland.

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  14. What do you mean by "True fruit"?

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  15. Define Synecology.

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  16. What is Biome?

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  17. What is the function of centromere?

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  18. What is colostrum? Name any one of the disease resisting antibodies pr...

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  19. Give one example of an autosomal genetic disease. What is its reason?

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  20. What do you mean by Intron and Exon?

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