531. The tissue in man where no cell division occurs after birth is –

1. Epithelial
2. Nerves
3. Connective
4. Germinal

Option “2” is correct
In the nerve cell no division occurs after the birth.
532. The normal, RBC count in adult male is –

1. 4.5- 6.1 million
2. 7.5- 8.5 million
3. 2- 3 million
4. 1.5- 2.5 million

Option “1” is correct
The normal range in men is approximately 4.7 to 6.1 million cells/ul.
533. Dolphins are classified in-

1. Fish
2. Amphibians
3. Reptile
4. Mammals

Option “4” is correct
Dolphins are highly intelligent marine mammals and are part of the family of toothed whales. India has declared Ganga Dolphin as the national aquatic animal of India.
534. Turmeric is obtained from which part of the plant:

1. Root
2. Stem
3. Fruit
4. Flower bud

Option “2” is correct
Turmeric is obtained from the stem of the plant.
535. Which one of the following animals stores water in the intestine?

1. Moloch
2. Camel
3. Zebra
4. Uromastix

Option “2” is correct
Camels have some special abilities which enable it to walk for a long distance over sandy desert hills when there is neither water nor vegetation. That is why it is called “Ship of Desert”. A camel can drink more than 100 litre of water at once and they store it in their intestine for future needs.
536. Opium is obtained from-

1. Dried leaves
2. Roots
3. Latex from unripe fruit
4. Flower

Option “3” is correct
Opium is the dried latex. The dried latex is obtained from the unripe fruit, by making shallow cuts.
537. Thiamine is:

1. Vitamin C
2. Vitamin B2
3. Vitamin B6
4. Vitamin B1

Option “4” is correct
Thiamine (Vitamin B1) is a water-soluble vitamin that is necessary for carbohydrate and amino acid metabolism.
538. Of the following which hormone is associated with ‘fight of 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 .
539. Which of these decreases in human the body due to dengue fever?

1. Platelets
2. Hemoglobin
3. Sugar
4. Water

Option “1” is correct
Platelets are rapidly decreased due to dengue fever. These are important to prevent more bleeding in body. So due to decreasing level of platelets the patient suffers from an excess of internal bleeding.
540. D.P.T. vaccine is given to protect from-

1. Tetanus, Polio, Plague
2. T.B., Polio, Diphtheria
3. Diphtheria, Whooping Cough, Tetanus
4. Diphtheria, Polio, Leprosy

Option “3” is correct
DPT Vaccine refers to a class of combination vaccines against three infectious diseases in humans: diphtheria, pertussis (A whooping cough) and tetanus.
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