GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 063

GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 063

621). A scientist was treating pathogenic bacteria with different chemicals to see which of them would stop the activity of their ribosomes. Which one of the following processes is the target ?
A). DNA synthesis
B). Protein synthesis
C). Digestion of protein
D). Production of adenosine triphosphate

Answer: Production of adenosine triphosphate

   
622). Thought, feeling and perception get altered when one is under the influence of
A). tranquilisers
B). hashish
C). morphine
D). amphetamines

Answer: tranquilisers

623). Which of the following are known as the suicide bags of cells ?
A). Ribosomes
B). Golgi bodies
C). Lysosomes
D). Nucleoli

Answer: Lysosomes


624). If a person vomits excessively and shows symptoms of diarrhoea it is possible that in his blood serum there is a decrease of
A). calcium
B). iron
C). sodium
D). phosphorus

Answer: sodium

   
625). Night blindness could be caused by the deficiency of
A). Vitamin A
B). Vitamin B
C). Vitamin C
D). Vitamin D

Answer: Vitamin A

626). Who discovered that mosquito served as carrier of malaria ?
A). Jonas Salk
B). Ronald Ross
C). Louis Pasteur
D). Robert Koch

Answer: Ronald Ross


627). Antibodies are formed in
A). Lymphocytes
B). Red bone marrow
C). Spleen
D). Liver

Answer: Lymphocytes

628). The coliform bacterial count for inland and surface water for public supply permitted by ISI is not more than
A). 40 bacteria per 100 ml
B). 30 bacteria per 100 ml
C). 20 bacteria per 100 ml
D). 10 bacteria per 100 ml

Answer: 30 bacteria per 100 ml


629). Coagulation of blood in vessels is prevented during normal circulation by
A). heparin
B). prothrombin
C). plasmogen
D). thromplastin

Answer: heparin

   
630). Primarily, which one of the following systems of the body is attacked by the HIV ?
A). Cardiovascular
B). Immune
C). Respiratory
D). Reproductive

Answer: Immune