Biology - Genetics

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Question - 1

Who proposed 3-D helical DNA model?

  • A Franklin and Wilkins
  • B Watson and Crick
  • C Yanofsky
  • D Meselson and Stahl

Question - 2

Mendel selected pea plant for his experiment because

  • A they are cheaper
  • B these are easily available
  • C these are of great economic importance
  • D they have contrasting traits

Question - 3

Haemophilia is a genetic disorder which lead to

  • A the decrease in hemoglobin level
  • B rheumatic heart disease
  • C The decrease in WBC
  • D non-clotting of blood

Question - 4

Gregor Johann Mendel is famous for

  • A Cell theory
  • B Mutation principle
  • C Law of heredity
  • D Heredity of acquired characters.

Question - 5

Mendel worked on

  • A edible pea
  • B wild pea
  • C garden pea
  • D pigeon pea

Question - 6

What is the most conspicuous salient feature of people with 'progeria'?

  • A More hair on body
  • B Less immunity to opportunistic infections
  • C Faster rate of ageing
  • D Suffer from infertility.

Question - 7

Which of the following is the X-Linked genetic disease?

  • A Becker's muscular dystrophy
  • B Daltonism color Blindness
  • C Martin-Bell syndrome
  • D All of the above

Question - 8

DNA, the genetic material, was discovered by

  • A Aitmann
  • B Mcleod
  • C Fredrick Mischer
  • D Griffith

Question - 9

Which of the following techniques can be used to establish the paternity of a child?

  • A Protein analysis
  • B Quantitative analysis of DNA
  • C Chromosome Counting
  • D DNA fingerprinting

Question - 10

The phenomena in which one gene controls two or more different characters simultaneously? is called

  • A apomixis
  • B oleiotropy
  • C polyploidy
  • D polyteny