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Fill up the blanks in the following para...

Fill up the blanks in the following paragraph by selecting the correct option.
Inbreeding increase `ul(i)`. This inbreeding is necessary if we want to evolve a `ul(ii)` in any animal. Inbreeding exposes harmful `ul(iii)` genes that are eliminated by selection.

A

(i) heterozygosity, (ii) puer line, (iii) dominant

B

(i) heterozygosity, (ii) breed, (iii) recessive

C

(i) heterozygosity, (ii) puer line, (iii) recessive

D

(i) homozygosity, (ii) breed, (iii) dominant

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The correct Answer is:
C
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Assertion :- Inbreeding is necessary if we want to evolve a pure line. Reason :- Inbreeding exposes harmful recessive gene that are eliminated by selection .

Fill up the blanks in the following paragraph by selecting the correct option The vascular system of frog is well-developed ul("I") type. The blood vascular system involves heart, blood vessels and blood. Heart has 3 chambers, two atria and one ventricle and is covered bu a membrane called ul("ii") . A triangular structure called ul("iii") joins the right atrium.

Read the following five statement (A to E) and select the option with all correct statements: (A) Animal husbandrt is the agricultural partice of breeding and raising livestock (B) Crosses between different breeds are called inbreeding. (C )Breedin g of animals is an important aspect of animal husbandrt. (D) Inbreeding exposes harmful recessive genes that are eliminated by selection. (E) Outbreeding is necessary if we want to evolve a pureline in any animal.

Mark the appropriate choice to fill up the blanks in the given paragraph. A solution which maintains constant pH when small amounts of acid or base are added is known as a ul((i)) . A mixture of acetic acid and sodium acetate acts as ul((ii)) with a pH around ul((iii)) and a mixture of ammonium chloride and ammonium hydroxide acts as ul((iv)) with a pH around ul((v))

Go through the following statements regarding inbreeding and select the incorrect ones . (i) The inbreeding strategies allow the desirable qualities of two different breeds to be combined . (ii) It increases homozygosity . (iii) It also helps in elimination of less desirable genes . (iv) Continued inbreeding increases fertility and productivity .

Study the following statements regarding inbreeding and select the incorrect ones. (i) The inbreeding strategies allow the desirable qualities of two different breeds to be combined. (ii) It increases homozygosity. (iii) It also helps in elimination of less desirable genes. (iv) Continued inbreeding increases fertility and productivity.

Assertion : In breeding increases homozygosity exposing harmful recessive genes, some of which are eliminated by selection. Reason : Continued inbreeding reduces fertility and productivity.

NCERT FINGERTIPS-STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION-Strategies For Enhancement In Food Production
  1. High milk yielding cross bred Frieswal cow is the product of

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  2. What strategy would you suggest if a person wants to evolve a pure lin...

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  3. Fill up the blanks in the following paragraph by selecting the correct...

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  4. Which of the following statements is not correct regarding inbreeding ...

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  5. The term ''inbreeding depression'' is related to

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  6. Continued inbreeding, especially close inbreeding generally results in

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  7. Study the following statements regarding inbreeding and select the inc...

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  8. Given below are four statements (i)-(iv). Which two of the following s...

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  9. A breed of cow is mated with closely related breed for five generation...

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  10. The breeding carried out between animals of different breeds is called

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  11. Fill up the blanks by selecting the correct option. In cross-breedin...

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  12. Which of the following is example of cross-breed ?

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  13. Hisardale is a new breed of sheep developed in Punjab by crossing

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  14. Crossing of individuals of two different species to produce a hybrid i...

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  15. A mule is produced by the interspecific hybridisation between

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  16. Fill in the blanks in the following statements by selecting the correc...

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  17. Match the terms given in column I with their descriptions given in col...

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  18. Artificial insemination involves

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  19. Read the following statements and select the incorrect one.

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  20. Artificial breeding of cattle is brought about by

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