81. ‘Super rice’ was developed by-

1. M.S Swaminathan
2. G.S. Khush
3. N.E. Borlog
4. P.K. Gupta

Option “2” is correct.
Golden rice was developed by Gurdev Singh Khush, a chief breeder at Philippines-based Rice Research Institute (RRI). The research for super rice started in 1989. Gurdev Singh Khush is an agronomist and geneticist who along with mentor Henry Beachell, received the 1996 World Food Prize for his achievements in enlarging and improving the global supply of rice during a time of exponential population growth.
82. Bone matrix is rich in-

1. Fluoride and calcium
2. Calcium and phosphorus
3. Calcium and potassium
4. Phosphorus and potassium

Option “2” is correct.
The matrix comprises the major constituents of bone. It has inorganic and organic parts. The inorganic is mainly crystalline mineral salts and calcium, which is present in the form of hydroxyapatite. The matrix is initially laid down as unmineralized osteoid mineralisation involves osteoblasts secreting vesicles containing alkaline phosphatase. This cleaves the phosphate groups and acts as the foci for calcium and phosphate deposition.
83. Which of the following disease is caused by the excessive used alchoholic beverage?

1. Appendicitis
2. Viral hepatitis
3. Gall stones
4. Liver cirrhosis

Option “4” is correct.
It is caused by the excessive use of alcoholic beverage. Liver Cirrhosis is a serious condition where normal liver tissue is replaced by scar tissue.
84. Bright’s disease affects human body in the part-

1. kidney
2. spleen
3. heart
4. liver

Option “1” is correct.
Bright’s disease is also known as uremia which affects the kidney. It fuses the physiology of kidney; as result, the amount of urea increases in blood.
85. Pneumoconiosis affects the workers who work mainly in:

1. Tanneries
2. Coal mining industry
3. Distilleries
4. Glass Industry

Option “2” is correct.
Pneumoconiosis is an occupational lung disease and a restrictive lung disease caused by the inhalation of dust, often in mines. The miners feel difficulty in breathing.
86. The disease in which high levels of uric acid in the blood are characteristic is-

1. Arthritis
2. Gout
3. Rheumatism
4. Rheumatism heart

Option “2” is correct.
Gout is a disease caused by high level of uric acid in the blood (hyperuricemia). It causes an attack of sudden burning pain, stiffness and swelling in a joint.
87. Which one of the following diseases cannot be controlled by vaccination?

1. Diabetes
2. Polio
3. Whooping Cough
4. Small-pox

Option “1” is correct.
As per question; Polio, whooping cough and smallpox can control by vaccination but there is no vaccination available for diabetes. Diabetes is a disease related to pancreas which is caused due to insufficient of insulin in the blood.
88. Which Vitamins are those, if taken in excess can be dangerous as they are stored in the body?

1. B Complex
2. E and C
3. B and C
4. A and D

Option “4” is correct.
In large amounts certain vitamins can be toxic, leading to a condition called vitamin toxicity or vitamin poisoning. Excess vitamin D accumulates in the liver and can cause bone calcification, headaches, weakness, nausea, vomiting, constipation, kidney stones and frequent thirst and urination. Accumulation of Vitamin A causes Toxicity in vitamin A is known as hypervitaminosis A.
89. Water soluble vitamin is-

1. Vitamin A
2. Vitamin C
3. Vitamin D
4. Vitamin E

Option “2” is correct.
Vitamin B and C are water soluble vitamins whereas A, D, E and K are fat-soluble Vitamins.
90. Which one of following hormones stimulates pancreas for the production of digestive juice?

1. Rennin
2. Trypsin
3. Secretin
4. Pepsin

Option “3” is correct.
Secretin is a hormone that stimulates pancreas for the production of digestive juice. Secretin also helps to regulate the pH of the duodenum by inhibiting the secretion of gastric acid from the parietal cells of the stomach. It also stimulates the contraction of the pancreas.

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