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41) Which amongst the following mammals has the highest metabolic rate in terms of oxygen consumption (mm3/g hour)?
Correct Answer - Option
(B)
No Explanation found. Add Explanation and get +2 points.
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Learn Biology MCQs [Page 5 of Department 22]
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42) Which animal breathes through the skin?
Correct Answer - Option
(D)
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43) Which one of the following characteristics is common among parrot, platypus and kangaroo?
Correct Answer - Option
(D)
No Explanation found. Add Explanation and get +2 points.
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44) Which one of the following is an example of vestigial organ in man?
Correct Answer - Option
(B)
Explanation:
Vestigial organs are body parts that have lost most or all of their original function through evolution. In humans, such structures may no longer serve a significant purpose.
- (A) Jaw apparatus – Not vestigial. It plays a crucial role in chewing and speaking.
- (B) Ear muscles – Correct. These are vestigial in humans; they were once used by ancestors to move their ears for better hearing, but now most people can't move their ears voluntarily.
- (C) Canine teeth – Not vestigial. They still help in tearing food.
- (D) Humerus – Not vestigial. It is a major bone in the arm, essential for arm movement.
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45) Consider the following statements about probiotic food:
1. Probiotic food contains live bacteria which are considered beneficial to humans:
2. Probiotic food helps in maintaining gut flora.
Which of the statements given above is/are correct?
Correct Answer - Option
(C)
No Explanation found. Add Explanation and get +2 points.
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46) The plant dye Henna imparts orange-red colour to skin and hairs due to its reaction with which of the following?
Correct Answer - Option
(A)
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47) Which one of the following is considered as the drug of last resort for human being?
Correct Answer - Option
(D)
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48) By using which one of the following techniques, is DNA fingerprint done?
Correct Answer - Option
(D)
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49) Which of the following types is used by computed tomography employed for visualisation of the internal structure of human body?
Correct Answer - Option
(A)
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50) Stem Cell Therapy (SCT) is not useful for the treatment of which one of the following ailments?
Correct Answer - Option
(D)
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You are learning MCQ Questions of Biology Department : 22 | Page : 5
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