SSC Biology Previous year questions Set 24

231. Which of the following is NOT one of the important steps in processing tea leaves? [SSC CGL Prelim 1999]
A. Rolling
B. Drying
C. Fermenting
D. Withering
Answer –C. Fermenting

232. Dehydration in human body is caused due to the loss of : [SSC CGL Prelim 1999]
A. vitamins
B. salts
C. hormones
D. water
Answer –D. water

233. Which one of the following substances is used for reservation of food grains?[SSC CGL Prelim 1999]
A. Sodium benzoate
B. Vinegar
C. Sodium chloride
D. Potassium permanganate
Answer –A. Sodium benzoate

234. Fruits of this plant are found underground : [SSC CGL Prelim 1999]
A. Potato
B. Carrot
C. Groundnut
D. Onion
Answer –C. Groundnut

235. Which of the following is the largest living bird ?[SSC CGL Prelim 1999]
A. Eagle
B. Peacock
C. Ostrich
D. Kiwi
Answer –C. Ostrich

236. Kidney disease in man is caused by the pollutant :[SSC CGL Prelim 1999]
A. Cadmium
B. Iron
C. Cobalt
D. Carbon
Answer –A. Cadmium

237. A rare and endangered animal in Silent Valley is :[SSC CGL Prelim 1999]
A. Musk deer
B. Tiger
C. Lion-tailed macaque
D. Rhinosores
Answer –C. Lion-tailed macaque

238. The age of trees is determined by its : [SSC CGL Prelim 1999]
A. girth
B. height
C. growth rings
D. general appearance
Answer – C. growth rings

239. In the eye, colour vision is effected by the presence of :[SSC CGL Level Prelim 1999]
A. Choroid coat
B. Sclerotic coat
C. Rods
D. Cones
Answer – D. Cones

240. Quantity of fresh air required for a man is: [SSC CGL Prelim 2000]
A. 1000 cubic feet of air for every 20 minutes
B. 1000 cubic feet of air for every 20 seconds
C. 1000 cubic feet of air for every 10 minutes
D. 1000 cubic feet of air for every 10 seconds
Answer –A. 1000 cubic feet of air for every 20 minutes

Leave a comment