Biology MCQ Question with Answer
Q76. Which one of the following is considered as a cell within a cell?
(d) Golgi complex
Q77. The first protocol to ban the emissions of chlorofluorocarbons in the atmosphere was made in
Q78. Which of the following are associated with Diabetes mellitus, a common disease in adults?
- The higher sugar level in blood
- The lower sugar level in blood
- Lower insulin level in blood
- Higher insulin levels in the blood
Select the correct answer by using the codes given below:
(a) 2 and 4
(b) 1 and 2
(c) 2 and 3
(d) 1 and 3
Q79. The rootless plant is –
Q80. Which of the following contain enzymes for cellular respiration?
(b) Endoplasmic reticulum
Q81. Consider the following statements about probiotic food:
- Probiotic food contains live bacteria which are considered beneficial to humans.
- Probiotic food helps in maintaining gut flora.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Q82. Which one of the following animals belongs to Mollusca?
Q83. Which one among the following cell organelles is semi-permeable?
(a) Cell membrane
(b) Plasma membrane
(c) Cell wall
Q84. Consumption of fish is considered to be healthy when compared to the flesh of other animals because fish contains
(a) polyunsaturated fatty acids
(b) saturated fatty acids
(c) essential vitamins
(d) more carbohydrates and proteins
Q85. The insufficient blood supply in the human body is referred as
Q86. Consider the following statements 
- Tapeworm is a hermaphrodite.
- Roundworm has separate sexes.
- Filaria is caused by a nematode.
- Guinea-worm is an annelid.
Which of these is correct?
(a) 1 and 2
(b) 1, 2 and 3
(c) 3 and 4
(d) 2, 3 and 4
Q87. Which one among the following nutrients is a structural component of the cell wall of plants?
Q88. Two Bones are connected to each other by connective tissue called as _____.
Q89. Match List-I with List-II and select the correct answer using the codes given below 
|List-I (Bone)||List-II (Name)|
|A. Breast-bone||1. Clavicle|
|B. Collar-bone||2. Patella|
|C. Knee-cap||3. Scapula|
|D. Shoulder blade||4. Sternum|
(a) A – 4; B – 1; C – 3; D – 2
(b) A – 1; B – 4; C – 3; D – 2
(c) A – 1; B – 4; C – 2; D – 3
(d) A – 4; B – 1; C – 2; D – 3
Q90. Which of the following constitute to form a gene?
Q91. Certain parts of a plant can be bent easily without breaking. This flexibility in certain parts, like leaf and stem, can be attributed to the abundance of
(d) xylem and phloem
Q92. A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed?
(a) From brown to blue-black
(b) From brown to orange-red
(c) From blue to pink
(d) From pink to blue-green
Q93. The source of oxygen generated during photosynthesis is :
(b) Carbon dioxide
(d) Mesophyll cells
Q94. In which one of the following antibody formations takes place?
(b) Blood Platelets
(c) Blood Plasma cells
(d) Donnan’s membrane
Q95. Most of the desert plants bloom during night time because
(a) Their blooming is controlled by low temperature
(b) They are sensitive to the phases of the moon
(c) The desert insects eat away flowers during day time
(d) The desert insects are active during night time
Q96. The book ‘Genera Plantarum’ was written by–
(b) Bentham and Hooker
(c) Engler and Prantle
Q97. Consider the following statements: 
- The common blue-green algae, Spirogyra and Ulothrix, are found in both freshwater ponds and oceans.
- The Chameleon can look ahead with one eye, and at the same time look behind with another.
Which of these statements is/are correct?
(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2
Q98. The largest source of pollution in the world is
(a) Herbicides and insecticides
(b) Automobile exhausts
(c) Sewage and garbage
(d) Industrial effluents
Q99. An individual whose blood type is B may in an emergency, donate blood to a person whose blood type is
(a) B or A
(b) AB or A
(c) A or O
(d) AB or B
Q100. Match List-I (Drugs/Chemicals) with List-II (Their uses) and select the correct answer using the codes given below
|A. Atropine||1. Local anaesthesia|
|B. Ether||2. Heart trouble|
|C. Nitroglycerine||3. Dilation of the pupil|
|D. Pyrethrin||4. Mosquito control|
(a) A – 1; B – 3; C – 2; D – 4
(b) A – 1; B – 3; C – 4; D – 2
(c) A – 3; B – 1; C – 4; D – 2
(d) A – 3; B – 1; C – 2; D – 4