GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 136

GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 136

1351). AIDS is caused by
A). virus
B). becteria
C). fungi
D). mosquito

Answer: virus


    
1352). Which of the following pigments decreases skin cancer
A). Chlorophyll
B). Bacterio Chlorophyll
C). Phycoerythrin
D). Canthaxanthin

Answer: Canthaxanthin


    
1353). proventriculus is small thick walled sac found in
A). buccal cavity of pigeon
B). it is a slight dilation of oesophagus of pigeon
C). tracheal region of turtle
D). rat

Answer: it is a slight dilation of oesophagus of pigeon


    
1354). A carbohydrate that is not digestible by human beings though it is structurally similar to starch is
A). cellulose
B). animal starch
C). a liquid
D). a protein

 

1355). Ductus caroticus is found in
A). alimentary canal of calotes
B). a small blood vessels which connects the systematic arch carotid artery
C). excretory system of calotes
D). a small bone connection in calotes

Answer: a small blood vessels which connects the systematic arch carotid artery



1356). Enzyme present in the saliva of man is
A). protease
B). trypsin
C). renin
D). amylase

Answer: amylase


    
1357). Which of the following organisms is a Gold indicator in the soil?
A). Equisetum arvensis
B). Vallozia candia
C). Eriogonium ovalifolium
D). Boehmeria nivea

Answer: Equisetum arvensis


    
1358). Why do some paper turn brittle and yellow?
A). Acid is formed and it decomposes cellulose
B). UV radiation destroys lignin
C). The cellulose is affected by bacteria
D). Denaturation of protein occurs

Answer: Acid is formed and it decomposes cellulose


    
1359). Hormone oxytocin controls
A). growth
B). lactation
C). child birth
D). both lactation and child birth

Answer: both lactation and child birth


    
1360). Which one of the following represents the family planning surgery?
A). Vasectomy
B). Ovariectomy
C). Testisectomy
D). Hysterectomy

Answer: Vasectomy