Biology MCQs with answers Page - 93

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Q. Some viruses have RNA but no DNA. This would indicate that

  • (A) RNA transmits the hereditary information in these viruses
  • (B) their nucleic acids can be crystallised
  • (C) these viruses have no heritable information
  • (D) these viruses cannot replicate

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Q. The largest organ of human body is:

  • (A) Liver
  • (B) Kidney
  • (C) Heart
  • (D) Brain

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Q. The human heart is enclosed in the

  • (A) Pleura
  • (B) Conjunctive
  • (C) Pericardium
  • (D) Duramater

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Q. Which of the following mosquito is the carrier of Zika virus

  • (A) Culiseta
  • (B) Aedes
  • (C) Culex
  • (D) Anopheles

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Q. Of which among the given organs is bronchitis a disease?

  • (A) Respiratory tract
  • (B) Bladder
  • (C) Liver
  • (D) Blood

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Q. Fish respire through their

  • (A) nose
  • (B) gills
  • (C) lungs
  • (D) fins

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Q. The hormone that controls the levels of calcium and phosphorus in the blood is secreted by

  • (A) Thymus
  • (B) pituitary
  • (C) thyroid
  • (D) Parathyroid

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Q. Cell wall of chloroplast is removed, the remaining is called

  • (A) Protoplast
  • (B) Aleuroplast
  • (C) Amyloplast
  • (D) Etioplast

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Q. Which of the following one of the following forms the base of vegetable fibres -

  • (A) Oils
  • (B) Cellulose
  • (C) Fats
  • (D) Proteins

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Q. Which among the given is an insectivorous plant -

  • (A) Orobanche
  • (B) Balanophora
  • (C) Drosera
  • (D) Rafflesia

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