GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 051

GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 051
 

501). Temperature in human beings is controlled by
A). pituitary gland
B). thyroid gland
C). hypothalamus gland
D). adrenal gland

Answer: pituitary gland

   
502). Blood grouping was discovered by
A). Landsteiner
B). Rob Koch
C). William Harvey
D). Louis Fasteur

Answer: Landsteiner

   
503). A good source of vitamin A is
A). carrot
B). potato
C). rice
D). tomato

Answer: carrot

   
504). Foetus development in women's womb can be ascertained by
A). CAT scanning
B). Ultrasound
C). PTT scanning
D). Co-27 experiment

Answer: Ultrasound


505). Ozone layer of atmosphere absorbs
A). ultraviolet rays
B). infra-red rays
C). all radiations of light
D). cosmic rays

Answer: ultraviolet rays


506). ELISA test is prescribed for
A). AIDS
B). typhoid
C). polio
D). cancer

Answer: AIDS


507). Why DDT is banned in western countries ?
A). It remains in environment for a long time
B). The insects are immunised to DDT
C). It is highly poisonous insecticide
D). None of the above

Answer: It remains in environment for a long time

   
508). The drugs caffeine, tannin and nicotine are
A). steroids
B). cortisones
C). alkaloids
D). milk alkalis

Answer: alkaloids

   
509). The saliva helps in the digestion of
A). starch
B). proteins
C). fibres
D). fats

Answer: starch

   
510). Which of the following chemicals in automobile exhaust can cause cancer ?
A). Carbon monixide
B). Polycyclic hydrocarbons
C). Lead
D). Oxides of nitrogen

Answer: Carbon monixide