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

  • Available Sets6

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Biology - 12th Class Biology Chapter 22 Short Questions Preparation

Question # 1

What is type II diabetes or NIDDM?

  • Ans 1: Type II diabetes or NIDDM.It account for 90% of all diabetic patients.These person produce some endogenous insulin themselves,but their body cells fail to respond to insulin and cannot take up glucose from body.They develop some sort of insulin resistance.
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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

What is type II diabetes or NIDDM?

  • Ans 1: Type II diabetes or NIDDM.It account for 90% of all diabetic patients.These person produce some endogenous insulin themselves,but their body cells fail to respond to insulin and cannot take up glucose from body.They develop some sort of insulin resistance.
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12th Class Biology Chapter 22 Short Questions Preparation - Set 2

Question # 1

Two Normal parents have an albino child.What is the probability that their next child will also be an albino?

  • Ans 1: 3 of their sons will be normal and one will be albino that is the ratio is
    Normal : Albino
    3 1
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12th Class Biology Chapter 22 Short Questions Preparation - Set 3

Question # 1

Differentiate between genotype and phenotype.

  • Ans 1: Genotype: Genotype is the genetic complement i.e the genes is an individual for a particular trait e.g"Rr" &"Rr" are alleles for red color."rr" are alleles for white colour.
  • Ans 2: Phenotype:"Phenotype" is the from of appearance of a trait in an organism".e.g Red and white flower colours are example of phenotype.
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12th Class Biology Chapter 22 Short Questions Preparation - Set 4

Question # 1

Differentiate between multifactorial and polygenic traits.

  • Ans 1: Multifactorial traits: Traits which are controlled by many genes (polygenes) with combination of environment are called multifactorial traits.
  • Ans 2: Polygenic Inheritance: The quantitive are called polygenic traits.These traits are controlled by more than two pairs of genes.Each polygene has small positive or negative effect on characters.
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12th Class Biology Chapter 22 Short Questions Preparation - Set 5

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 6

Question # 1

Compare between epistasis and poleiotropy.

  • Ans 1: Epistasis: When an effect caused by a gene pair on one locus interferes with or hides the effect caused by another gene or gene pair at another locus,it is called epistasis.
  • Ans 2: Poleiotropy: When a single gene affects two of more traits,the phenomenon is called pleiotropy.
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22th Chapter

12th Class Biology Chapter 22 Short Questions

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