431. Tubectomy, a method of population control is performed on

A Both males & females
B Males only
C Females only
D Only pregnant females
Answer :   Females only
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432. Which one is a sedative drug

A Amphetamines
B LSD
C Barbiturates
D Bhang
Answer :   Barbiturates
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433. Most radiosensitive tissue of body is

A Bone marrow
B Platelet
C Nervous tissue
D Lymphocyte
Answer :   Bone marrow
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434. Cattle fed with spoilt hay of sweet clover which contains dicumarol

A Are healthier due to a good diet
B Catch infections easily
C May suffer vitamin K deficiency and prolonged bleeding
D May suffer from Beri-Beri due to deficiency of B vitamins
Answer :   May suffer vitamin K deficiency and prolonged bleeding
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435. Flurosis disease caused by

A Air pollution
B Water pollution
C Radioactive pollution
D Noise pollution
Answer :   Water pollution
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436. Causative agent of French pox (Syphilis)

A Tryponema
B Varicella
C H.I.V.
D Treponema pallidum
Answer :   Treponema pallidum
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437. Agents is used to kill microbes on living surfaces are called

A Disinfectant
B Tranquilizers
C Antiseptic
D Garacilis
Answer :   Antiseptic
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438. In India, human population has higher number of younger age

A Long life span & low birth rate
B Short life spon and high birth rate
C Short life span & low birth rate
D Birth rate is equal to death rate
Answer :   Short life spon and high birth rate
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439. The science of agening is called

A Chronology
B Odontology
C Gynaecology
D Gerontology
Answer :   Gerontology
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440. Average female to male ratio in world population is

A 3:4
B 2:3
C 1:1
D 1.45:2
Answer :   1:1
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