241. Among plants, three different genera Solanum, Petunia and Datura are placed in which family?
1. Cancidae
2. Solanaceae
3. Felis
4. Felidae
Option “2” is correct Among plants, three different genera Solanum, Petunia and Datura are placed in Solanaceae family.
242. BCG vaccination is to be given to a new-born child –
1. Immediately after birth
2. Within 48 hours
3. Within seven days
4. Within six months
Option “2” is correct Newborns are vaccinated within 48 hours of birth with 0.05 ml and 0.1 ml of freeze dried BCG vaccine procured from Guindy Madras manufactured using Copenhagen 1331 strain containing 0.69 million culturable particles/0.1 ml. BCG vaccine is a live bacterial vaccine given for protection against tuberculosis.
243. Glaucoma is a disease of the –
1. Skin
2. Lungs
3. Liver
4. Eyes
Option “4” is correct Glaucoma is an eye disease in which the optic nerve is damaged in a characteristic pattern. This can permanently damage vision in the affected eye(s) and lend to blindness if left untreated.
244. The metal present in insulin is –
1. Copper
2. Iron
3. Zinc
4. Magnesium
Option “3” is correct Insulin storage vesicles in humans and many other species contain high concentrations of Zn2+ and Ca2+ ions.
Option “1” is correct Robert Charles Gallo was the director of Institute of Human Virology in the University of Maryland, School of Medicine, Baltimore. He discovered Human T-cell Leukaemia Virus III. This is the factor of most dangerous disease-AIDS.
246. Jaundice affects the-
1. Pancreas
2. Stomach
3. Liver
4. Intestine
Option “3” is correct Jaundice forms when there is too much bilirubin in your system. Bilirubin is a yellow pigment that is formed by the breakdown of dead red blood cells in the liver.
247. The yellow colour of papaya is due to-
1. Papain
2. Lycopene
3. Caricaxznthin
4. None of these
Option “3” is correct The botanical name of papaya is ‘Carica papaya’. It is rich in carotene, which is a precursor of vitamin A. The papain enzyme presented in papaya is helpful in digestion. The yellow colour of papaya is due to present of caricaxznthin.
248. Major component of cotton is-
1. Protein
2. Fatty acid
3. Cellulose
4. Glycerene
Option “3” is correct The chemical composition of linseed (cotton) is as follows- Cellulose – 91.00% Water – 7.85%.
249. Which one of the following pairs is no correctly matched?
1. Vitamin A -Night Blindness
2. Vitamin B3 -Pellagra
3. Vitamin D -Colour Bindness
4. Folic acid -Anaemia
Option “3” is correct Colour blindness is a sex-linked genetic disorder. It does not relate to vitamin D. The deficiency of Vitamin A causes night blindness. Vitamin B3 is also called niacin . Its deficiency causes pellagra. The deficiency of folic acid causes anaemia.
250. What would happen if the pancreas is defective:
1. Digestion will not take properly
2. Insulin and glucagon are not formed
3. Blood formation will stop
4. Blood pressure will increase
Option “2” is correct The pancreas is a mixed gland which secretes digestive enzyme and the beta cells of islets of Langerhans secrete insulin, alpha cells secrete glucagon, delta cells secrete somatostatin hormone. If the pancreas is defective by any of the reason, then the formation of insulin and glucagon are affected badly.
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