Biology MCQs with answers Page - 29

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Q. Which among the given series is true about energy flow in an ecosystem -

  • (A) Producers ® Decomposers ® Consumers
  • (B) Decomposers® Consumers ® Producers
  • (C) Producers ® Consumers ® Decomposers.
  • (D) Consumers ® Producers ® Decomposers.

A

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Q. The animal Who among the following can consume more salt among the following is

  • (A) Dog
  • (B) Sheep
  • (C) Donkey
  • (D) Camel

A

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Q. Which of the following of these produces energy -

  • (A) Mineral salts
  • (B) Carbohydrates
  • (C) Proteins
  • (D) Vitamins

A

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Q. The Vitamin which helps in clotting of blood is

  • (A) B
  • (B) K
  • (C) D
  • (D) A

A

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Q. DPT vaccine is administered to prevent diseases like:

  • (A) Dengue, Polio & Tetanus
  • (B) Diphtheria, Pertussis & Typhoid
  • (C) Dengue, Pertussis & Typhoid
  • (D) Diphtheria, Pertussis & Tetanus

A

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Q. Goitre is caused by the deficiency of ______

  • (A) Zinc
  • (B) Iodine
  • (C) Chlorine
  • (D) Calcium

A

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Q. Which among the given represents a foodchain involving a producer, a vegetarian & a nonvegetarian -

  • (A) Fish – Insect – Whale
  • (B) Grass – Insect – Elephant
  • (C) Plant – Rabbit – Tiger
  • (D) Tiger – Rabbit – Owl

A

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Q. The vitamin that helps in blood clotting is

  • (A) Vitamin D
  • (B) Vitamin E
  • (C) Vitamin C
  • (D) Vitamin K

A

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Q. Which among the given statements is/are right regarding vegetative propagation of plants?
1. Vegetative propagation produces clonal population.
2. Vegetative propagation helps in eliminating the virus.
3. Vegetative propagation can be practiced most of the year.
Select the right answer using the codesgiven below

  • (A) Only 1
  • (B) 2 and 3
  • (C) 1 and 3
  • (D) All of these

A

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Q. The 1st protocol to ban the emissions of choloroflurocarbons in the atmosphere was made in

  • (A) Montreal
  • (B) Geneva
  • (C) Osaka
  • (D) Florida

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