91. Bile is stored in which of the following organ?

1. Spleen
2. Pancreas
3. Appendix
4. Gallbladder

Option “4” is correct.
Bile is a fluid that is made and released by the liver and stored in the gallbladder. It is stored and concentrated in the gallbladder unit which is needed to digest food. In adults, the gallbladder measures approximately 8 centimetres in length and 4 centimetres in diameter.
92. Which of the following is the smallest bone in the human body?

1. Vomer
2. Stapes
3. Malleus
4. Incus

Option “2” is correct.
The stapes is the lightest stirrup-shaped bone and the smallest bone in the human body found in the middle of humans ears. While femur is the largest bone in the human body.
93. The temperature of the human body-

1. Decreases in winters
2. Increases in summers
3. Neither decreases in winters nor increases in summers.
4. Increases in winters.

Option “3” is correct.
The temperature of the human body neither decreases in winters nor increases in summers. The usual temperature of the human body is 98.4° F or 37°C and is controlled by the hypothalamus in the brain.
94. What function does blood perform in the body?

1. Takes oxygen to all parts
2. Maintains liquidity
3. Helps in digestion
4. Helps in erection

Option “1” is correct.
Blood perform many important functions within the body including supply of oxygen to tissues (bound to haemoglobin, which is carried in red cells), the supply of nutrients such as glucose, amino acids and fatty acids.
95.Match List I with List II and select the correct answer from the code given below the Lists:

1. a
2. b
3. c
4. d
Option “1” is correct.
Rickets is caused by deficiency of Vitamin D, Beri-beri is caused by a deficiency of B1. Nyctalopia or night blindness is caused due to deficiency of vitamin A and scurvy is caused due to deficiency of Vitamin C.
96. Of the following which hormone is associated with ‘fight or flight’ concept?

1. Insulin
2. Adrenaline
3. Estrogen
4. Oxytocin

Option “2” is correct.
Adrenaline is commonly known as the ‘fight or flight hormone’. Adrenaline is a hormone released from the adrenal glands and its major action together with nor-adrenaline is to prepare the body for fight or flight. Adrenaline (Epinephrine) causes dilation of blood vessels (Vasodilation) which supply the brain, skeletal muscles, heart, lungs, liver, adipose tissues, sensory organs etc. Due to increased blood supply. These organs become very active and excited inducing alarm reaction, contraction of cardiac muscles intensify, increasing both rate and force of heartbeat, pulse rate, arterial pressure and cardiac output.
97. Which among the following is/are correctly paired:

1.Ginger:Tuber
2.Potato:Rhizome
3.Onion:Bulb

1. Only 2
2. Only 3
3. Only 1
4. 1, 2 and 3

Option “2” is correct.
Ginger::Rhizome
Potato::Tuber
Onion ::Bulb.
98. No pain is felt while cutting the nails because-

1. Nails are made of the material of dead cells in which there is no blood circulation.
2. Nails are a useless part of the body.
3. Nails are made of calcium phosphate.
4. None of these.

Option “1” is correct.
Nails are usually made up of thick and multiple layers of a type of protein known as ∝ – keratin and are composed of dead tissues. They are devoid of any nerves and blood vessels and therefore we do not feel any pain while the nails are being cut.
99. The brain is responsible for:

1. Thinking
2. Regulating the heartbeat
3. Balancing the body
4. All of the above three

Option “4” is correct.
The brain is composed of the cerebrum, cerebellum, and brainstem. So brain is responsible for all of above three.
100. Blood grouping was discovered by-

1. Louis Pasteur
2. William Harvey
3. Robert Koch
4. Landsteiner

Option “4” is correct.
Karl Landsteiner was an Austrian biologist and physician. He is noted for having first distinguished the main blood groups in 1900.
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48 thoughts on “Biology”

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