Biology MCQs with answers Page - 32

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Q. Blood leaves the glomerulus by

  • (A) afferent arteriole
  • (B) capillary network
  • (C) efferent venule
  • (D) efferent arteriole

A

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Q. Down Syndrome, a congenital genetic disorder in human beings, is caused by:

  • (A) trisomy of chromosome 21
  • (B) a defective recessive gene in homozygous condition
  • (C) trisomy of chromosome 18
  • (D) an extra x chromosome

A

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Q. Consider the following plants:
1.Bladderwort
2.Dodder
3.Hornwort
4.Indian pipe Which of the above plant/s is/are unable to photosynthesize?

  • (A) 1 and 3
  • (B) Only 1
  • (C) 2 and 3
  • (D) 2 and 4

A

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Q. Why does milk curdle?

  • (A) Due to fermentation of lactose
  • (B) Due to fungus growth
  • (C) Due to reaction of microbes
  • (D) Due to overheating

A

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Q. In root, the pericycle is

  • (A) Absent
  • (B) Single layered
  • (C) Tow layered
  • (D) Three layered

A

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Q. Which among the given does not affect light phase?

  • (A) Water
  • (B) Temperature
  • (C) cytochrome
  • (D) chlorophyll

A

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Q. Who among the following proposed Five Kingdom Classification -

  • (A) Carolus Linnaeus
  • (B) H.F. Copeland
  • (C) John Ray
  • (D) R.H. Whittaker

A

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Q. The largest cells in mammalian blood are

  • (A) Monocytes
  • (B) Basophils
  • (C) Lymphocytes
  • (D) Erythrocytes

A

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Q. Which of the following animal produces the biggest baby -

  • (A) Elephant
  • (B) Lion
  • (C) Blue Whale
  • (D) Camel

A

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Q. Which among the given is a deficiency disease -

  • (A) Scurvy
  • (B) Jaundice
  • (C) Asthma
  • (D) Cancer

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