Biology - Mock Test 22

Question 211

The most apparent change during the evolutionary history of Homo sapiens is traced in

A) loss of body hair B) walking upright C) shortening of the jaws D) remarkable increase in the brain size

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Question 212

Which one of the following is now commercially produced by biotechnology procedures

A) Nicotine B) Morphine C) Quinine D) Insulin

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Question 213

Which one of the following techniques is safest for the detection of cancer

A) Magnetic Resonance Imaging (MRI) B) Radiography (X-ray) C) Computed Tomography (CT) D) Histopathological Studies

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Question 214

Signals from fully developed fetus and placenta ultimately lead to parturition which requires the release of

A) oestrogen from placenta B) oxytocin from maternal pituitary C) oxytocin from foetal pituitary D) relaxin from placenta

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Question 215

In eukaryotic cell transcription, RNA splicing and RNA capping take place inside the

A) ribosomes B) nucleus C) dictyosomes D) ER

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Question 216

The hemoglobin content per 100 mL of blood of a normal healthy human adult is

A) 5-11g B) 25-30g C) 17-20g D) 12-16g

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Question 217

An example of endomycorrhiza is

A) Nostoc B) Glomus C) Agaricus D) Rhizobium

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Question 218

One of the commonly used plant growth hormone in tea plantations is

A) ethylene B) abscisic acid C) zeatin D) indole - 3 - acetic acid

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Question 219

Jaundice is a disorder of

A) excretory system B) skin and eyes C) digestive system D) circulatory system

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Question 220

Kranz anatomy is one of the characteristics of the leaves of

A) potato B) wheat C) sugarcane D) mustard

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