Biology MCQs with answers Page - 27

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Q. The standard audible capacity of a healthy human being as per World Health Organi-sation is in the range of

  • (A) 2000-2500 decibels
  • (B) 45-50 decibels
  • (C) 5-10 decibels
  • (D) 50-55 decibels

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Q. A camel adapts easily in a desert because of the

  • (A) Pads beneath two digits and the hair growth near eyes and nostrils
  • (B) Nucleated RBCs
  • (C) Water cells in the stomach to store metabolic wate
  • (D) Hump with stored food as fats

A

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Q. Select the High Yielding Varieties of seed-crops developed under Green Revolution in India.

  • (A) Maize, Black-gram, Jowar, Coffee arid Tea
  • (B) Rice, Wheat, Jowar, Bajra & Maize
  • (C) Rice, Wheat, Pulses, Oil seeds & Sugarcane
  • (D) Wheat, Rice, Sugarcane, Pulses & Maize

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Q. Biodegradable wastes can usually be converted into useful substances with the help of

  • (A) Bacteria
  • (B) Radioactive substances
  • (C) Nuclear proteins
  • (D) Viruses

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Q. Consider the following statements.
1.A large majority of bacteria are useful to mankind
2.A bacterium, if allowed to multiply uninhibited for 24 hours, will produce a bacterial mass of more than 5 million tons.
3.The insectivorous plants obtain their nourishment from insects because they are unable to photosynthe size.
4.We obtain some of our important antibiotics from bacteria. Which of the above statement/s is/are true?

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

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Q. A carbohydrate free diet is recommended for patients suffering from

  • (A) tuberculosis
  • (B) hypertension
  • (C) malaria
  • (D) Diabetes mellitus

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Q. The study of visceral organs is

  • (A) Anthrology
  • (B) Arthrology
  • (C) Splanchnology
  • (D) Angiology

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Q. The Particulate Matter (PM-10) exhaled from the polluted atmosphere is often filtered out during the process of

  • (A) Sneezing
  • (B) A & B
  • (C) Urination
  • (D) Coughing

A

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Q. One of the following is not a function of bones

  • (A) protection of vital organs
  • (B) place for muscle attachment
  • (C) secretion of hormones for calcium regulation in blood and bones
  • (D) production of blood corpuscles

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Q. What is a Sponge -

  • (A) A fungus
  • (B) A fossil
  • (C) An animal
  • (D) A fungus

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