Solved MCQs about Biology for Online Test Preparation

Solved MCQs about Biology for Online PPSC, CSS, FPSC, PMS, OTS, PTS, PMS and NTS Test Preparation

This is the 7th Part of Biology MCQs series. This post contains Solved MCQs about Biology for Online PPSC, CSS, FPSC, PMS, OTS, PTS, PMS and NTS Test Preparation. These Objective Type Questions are also for those students who are looking for MDCAT entry test online preparation. MCQs are taken from Caravan General Knowledge Book. For more similar posts visit Biology MCQs.

Solved Quiz Questions of Biology for MDCAT Entry Test Online Preparation

121. Which act as a hormone?

(a) Carbohydrates
(b) Proteins
(c) Vitamins
(d) Fats
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122. The Hormones are the ________.

(a) Chemical messengers
(b) Zoological messengers
(c) Physical messengers
(d) Biophysical messengers
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123. The master gland is pituitary gland which controls the activities of ________.

(a) Adrenal gland
(b) Adrenal and thyroid glands
(c) Pancreas and Gonads glands
(d) All glands
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124. Who discovered bacteria first in 1697?

(a) Iwanowsky
(b) Leeuwenhoek
(c) Louis Pasteur
(d) Robert Koch
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125. One of the followings is not a characteristic of an insect.

(a) Their body is divided into head, thorax and abdomen
(b) They possess a pair of legs in each segment
(c) They possess two wings for flying
(d) Two prominent antennae are present on the head
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126. An inactive phase of the life cycle during which animal stores a lot of food inside the body and develops a covering around the body is called ____.

(a) Pupa
(b) Larva
(c) Nymph
(d) Adult
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127. If the temperature rises gradually up to 40° C, the rate of photosynthesis ______.

(a) Increases
(b) Decreases
(c) Remains constant
(d) May stop altogether
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128. An adult requires how many proteins daily _________.

(a) 10 – 20 grams
(b) 30 – 50 grams
(c) 50 – 100 grams
(d) More than 100 grams
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129. Proteins are required to make which of the followings.

(a) Antibodies
(b) Connective tissues
(c) Hormones
(d) All these
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130. Lipids are obtained from ____________.

(a) Animal sources
(b) Plant sources
(c) Both plant and animal sources
(d) Synthetically
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131. One mole of haemoglobin containing blood carries how much oxygen.

(a) 16 ml
(b) 18 ml
(c) 20 ml
(d) 22 ml
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132. The rate of breathing is regulated by __________.

(a) Amount of oxygen in the blood
(b) Amount of carbon dioxide in the blood
(c) Amount of oxygen in the cells
(d) Amount of carbon dioxide in the cells
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133. The exchange of carbon dioxide and oxygen gas between the cell and the atmosphere during photosynthesis takes place by _________.

(a) Active transport
(b) Facilitated diffusion
(c) Osmosis
(d) Diffusion
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134. Leucocytes (white blood cells) are produced in ______.

(a) Lymph
(b) Spleen
(c) Bone marrow
(d) Ribs
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135. Haemophilia is because of absence of ___________.

(a) Rh factor
(b) Clotting
(c) Antigens
(d) Antibodies
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