12th Class Fsc Biology Online Preparation for chapter 22 (Variation and Genetics)

Online Short Questions For Chapter 8 "12th Class Biology Chapter 22 Short Questions Preparation "

Try The Short Questions For 12th Class Biology Chapter 22 Short Questions Preparation

  • Total Questions10

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Biology - 12th Class Biology Chapter 22 Short Questions Preparation

Question # 1

Differentiate between autosome and sex chromosomes.

  • Ans 1: Autosome chromosomes: Chromosomes which do not contain genes for sex determination or chromosomes other than sex chromosomes are called autosomes.
  • Ans 2: Sex chromosomes: Chromosomes which play role in sex determination are called sex chromosomes.
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Prepare Complete Set Wise Questions For Chapter 8 "12th Class Biology Chapter 22 Short Questions Preparation "

12th Class Biology Chapter 22 Short Questions Preparation - Set 1

Question # 1

Differentiate between autosome and sex chromosomes.

  • Ans 1: Autosome chromosomes: Chromosomes which do not contain genes for sex determination or chromosomes other than sex chromosomes are called autosomes.
  • Ans 2: Sex chromosomes: Chromosomes which play role in sex determination are called sex chromosomes.
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12th Class Biology Chapter 22 Short Questions Preparation - Set 2

Question # 1

What is monochromacy?

  • Ans 1: Monochromacy means only one colour can be perceived by the colour blind person.Monochromacy is true colour blindness.
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12th Class Biology Chapter 22 Short Questions Preparation - Set 3

Question # 1

What is nullo gametes?

  • Ans 1: A gamete without sex chromosomes is called nullo gamete.For Example Grasshopper male produce 50% nullo gametes and 50% with sex chromosomes.
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12th Class Biology Chapter 22 Short Questions Preparation - Set 4

Question # 1

What are jumping genes?

  • Ans 1: Jumping genes do not reside peacefully on their loci; they keep on hopping on different loci on the same chromosomes or other chromosomes.
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12th Class Biology Chapter 22 Short Questions Preparation - Set 5

Question # 1

In bird's the female is heterogametic. How?

  • Ans 1: In birds female is heterogametic because she produce two different types of gametes and sex of new borne is determined by the type of female gamete which fertilize the sperm.
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12th Class Biology Chapter 22 Short Questions Preparation - Set 6

Question # 1

Define linkage and give its one disadvantage.

  • Ans 1: Phenomenon of staying together of all the genes of a chromosomes is called linkage.
    Its disadvantage is that,alleles cannot be assorted independently and no new recombinations are formed.

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12th Class Biology Chapter 22 Short Questions

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