21. Which one of the following is a secretion from the body of an insect?
Pearl
Coral
Lac
Gum
22. The polio virus enters the body through:
Mosquito bites
Contaminated food and water
Saliva
Dog bite
23. The pathogen responsible for common cold is
Orthomyxo virus
Rhino virus
Leukaemia virus
Polio virus
24. Which hormone is injected to cows and buffaloes to make the milk descend to the udders?
Somatotropin
Oxytocin
Interferon
Insulin
25. The famous 'Bubble Baby Disease' is so called because:
it is caused by water bubble
the suffering baby makes bubbles of saliva
the suffering baby is treated in a germ-free plastic bubble
it is cured only by water bubble
26. Which of the following is found in the compostion of vitamin D.
Ratinol
Folic acid
Ascorbic acid
Calciferol
27. The 'universal donor' is a person whose blood-group is:
A
B
AB
O
28. Match List–I with List–II and select the correct answer from the codes given below: List–I List–II A. Hormone 1. Lypase B. Enzyme 2. Testosterone C. Phospholipid 3. Lecithin D. Polymer 4. Polyethen Codes: A B C D
2 1 3 4
4 1 2 3
2 3 4 1
1 2 3 4
29. In a human body, vitamin A is stored in:
Liver
Pancreas
Spleen
Stomach
30. In a human eye, light rays get transformed into neural impulses at:
cornea
pupil
retina
lens
31. Which one of the following is not caused by infected mosquito bite:
Plague
Yellow Fever
Malaria
Dengue
32. Which one of the following energy conversions takes place in carrying out the process of photosynthesis?
Light to chemical energy
Light to thermal energy
Thermal to biochemical energy
Heat to kinetic energy
33. Which one of the following is NOT common between Malaria and Dengue?
Fever
Mosquito bite
Human species
Mosquito species
34. Match List–I with List–II and select the correct answer using the codes given below: List–I List–II A. Malaria 1. Bone marrow B. Filaria 2. Brain C. Encephalitis 3. Muscle D. Leukemia 4. Lymph node 5. Blood cells Codes: A B C D
5 3 2 1
5 4 2 1
4 3 5 1
5 4 1 2
35. Which one of the following human organs is less susceptible to harmful radiations?
Eyes
Heart
Brain
Lung
36. The disease caused by nematodes is:
Filaria
Fluorosis
Encephalitis
Leprosy
37. Thiamin is:
Vitamin C
Vitamin B2
Vitamin B6
Vitamin B1
38. Assertion (A): Some bacteria can synthesise their own food. Reason (R): These bacteria have green matter called chloroplasts. Codes:
Both A and R are true and R is the correct explanation of A.
Both A and R are true, but R is not the correct explanation of A.
A is true, but R is false.
A is false, but R is true.
39. The drug obtained from the bark of cinchona was used for treating malaria. The synthetic drug which replaced the natural product is:
Chloromycetin
Chloroquine
Tetracycline
Ampicilin
40. Three communicable diseases prevalent in developing countries caused by unsafe drinking water and bad sanitation are:
acute diarrhoea, cancer and gout
malaria, acute diarrhoea and schistosomiasis
onchocerciasis, leukaemia and arthritis
rheumatism, malaria and AIDS
12 Total Test
360 Total Question
Scientifically designed for PCS
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IAS PCS SCC and others
75 Total Test
2250 Total Question
Scientifically designed for PCS
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IAS PCS SCC and others
69 Total Test
2070 Total Question
Scientifically designed for PCS
A must have for Civil services aspirant
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