81- If father and mother are possessing Rh +ve and Rh -ve respectively, their children will have the blood group with:
A. Rh +ve
B. Rh -ve
C. Rh neutral
D. None of these
View Answer
Answer : A. Rh +ve
Description
82- The transmission from one neuron to another takes place through chemicals called neurotransmitters. Which of the following is a neurotransmitter?
1. Adrenalin 2. Thyroxin 3. Acetylcholine
A. 1 and 2
B. 1 and 3
C. 1 only
D. 3 only
View Answer
Answer : B. 1 and 3
Description
83- Which of the following makes skin layer impervious to water?
A. Chitin
B. Keratin
C. Melanin
D. Collagen
View Answer
Answer : B. Keratin
Description
84- The ligaments join:
A. Bone to bone
B. Muscle to muscle
C. Muscle to bone
D. None of these
View Answer
Answer : A. Bone to bone
Description
85- Which of the following is produced during allergic reactions?
A. Heparin
B. Histamine
C. Serotonin
D. Selastamine
View Answer
Answer : B. Histamine
Description
86- Which of the following is not a bone in the human body?
A. Tibia
B. Sternum
C. Humerus
D. Pericardium
View Answer
Answer : D. Pericardium
Description
87- A round worm that enters man's body through the soles of the feet is:
A. Trichina
B. Tapeworm
C. Leech
D. Hookworm
View Answer
Answer : D. Hookworm
Description
88- The enzymes involved in the digestion of fats and proteins are:
A. Pepsin and lipase
B. Trypsin and ptyalin
C. Erepsin and trypsin
D. Erepsin and ptyalin
View Answer
Answer : A. Pepsin and lipase
Description
89- What should be the minimum interval between two successive blood donations?
A. 6 weeks
B. 3 months
C. 6 months
D. 8 months
View Answer
Answer : B. 3 months
Description
90- The speed of light is approximately:
A. 3 × 10⁴ m/s
B. 3 × 10¹⁰ m/s
C. 3 × 10⁸ m/s
D. 3 × 10⁶ m/s
View Answer
Answer : C. 3 × 10⁸ m/s
Description
91- The gland that directly regulates the rate of metabolism is the:
A. Pituitary
B. Thymus
C. Thyroid
D. Parathyroid
View Answer
Answer : C. Thyroid
Description
92- Rennin and lactase, the enzymes required to digest milk, disappear in the human body by the age of:
A. Two
B. Three
C. Five
D. Eight
View Answer
Answer : C. Five
Description
93- Duodenum is situated:
A. At the uppermost part of the small intestine
B. Near the Lungs
C. In the brain
D. At the tail end of the intestine
View Answer
Answer : A. At the uppermost part of the small intestine
Description
94- Only glucose is used for energy requirement by:
A. Liver
B. Brain
C. Muscles
D. Kidney
View Answer
Answer : B. Brain
Description
95- Dental formula of man is:
A. 2123/2123
B. 1232/1232
C. 2132/2132
D. 2023/2023
View Answer
Answer : A. 2123/2123
Description
96- How many pairs of salivary glands are there in human body?
A. 1
B. 2
C. 3
D. 4
View Answer
Answer : C. 3
Description
97- Nervous system is affected by the shortage of:
A. Sodium
B. Carbon
C. Oxygen
D. Sulphur
View Answer
Answer : C. Oxygen
Description
98- The heart is covered by a membrane called:
A. Dermis
B. Epidermis
C. Epicardium
D. Pericardium
View Answer
Answer : D. Pericardium
Description
99- Heart attack occurs due to:
A. Bacterial attack on the heart
B. Stopping of heart beat
C. Lack of blood supply to the heart itself
D. Impairment of heart’s working due to unknown reason
View Answer
Answer : C. Lack of blood supply to the heart itself
