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Biology MCQ Questions with answers

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Learn Biology MCQs [Page 1 of Department 4]

1) Some body organs may be transplanted when a person is

(A) clinically dead but not biologically dead
(B) clinically as well as biologically dead
(C) neither clinically nor biologically dead
(D) biologically dead
Correct Answer - Option (A)

No Explanation found. Add Explanation and get +2 points.

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3) 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
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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4) 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
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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5) 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
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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6) Biodegradable wastes can usually be converted into useful substances with the help of

(A) Bacteria
(B) Radioactive substances
(C) Nuclear proteins
(D) Viruses
Correct Answer - Option (A)

No Explanation found. Add Explanation and get +2 points.

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7) 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
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

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8) A carbohydrate free diet is recommended for patients suffering from

(A) tuberculosis
(B) hypertension
(C) malaria
(D) Diabetes mellitus
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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10) 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
Correct Answer - Option (A)

No Explanation found. Add Explanation and get +2 points.

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