Biology - Questions and Answers, General Study (GK)

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961.

Three important micronutrients essential for humans are

(a)Copper, zinc and iodine

(b)Zinc, copper and pottasium

(c)Nitrogen, molybdenum and iodine

(d)Sulphur, copper and iron

Comment

Answer is: A

962.

Man cannot digest cellulose whereas cows can do so because

(a)They produce an enzyme cellulose which can digest cellulose

(b)Their gut contains certain bacteria capable of digesting cellulose

(c)They have a many-chambered sotmach

(d)They have efficient grinding molars

Comment

Answer is: B

963.

If a mouse of over eight times its normal size has been produced by introducing human growth harmone gene, the technique involved is called

(a)Hybridisation

(b)Hormonal feeding

(c)Genetic engineering

(d)Nutation Breeding

Comment

Answer is: C

964.

Three communicable diseases prevalent in developing countries caused by unsafe drinking water and bad sanitation are

(a)Acute diarrhoea, cancer and gout

(b)Rbeumatism, malaria and AIDS

(c)Onchocerciasis, leukaemia and arthritis

(d)Malaria, acute diarrhoea and schistosomiasis

Comment

Answer is: D

965.

Which one of the following seeds can benefit a patient of diabetes mellitus by normalizing his blood sugar level ?

(a)Coriander seeds

(b)Cumin seeds

(c)Fenugreek seeds

(d)Mustard Seeds

Comment

Answer is: C

966.

Haemophilia is a hereditary disease carried by

(a)Males and expressed by females

(b)Females and expressed by males

(c)Females and expressed by females

(d)Males and expressed by males

Comment

Answer is: B

967.

Rennin and lactase, the enzymes required to digest milk, disappear in the human body by the age of

(a)Two

(b)Five

(c)Three

(d)Eight

Comment

Answer is: D

968.

Haemoglobin is dissolved in the plasma of

(a)Frog

(b)Fish

(c)Earthworm

(d)Man

Comment

Answer is: A

969.

Which radioactive pollutant has recently drawn the attention of the public, due to its occurrence in the building material ?

(a)Plutonium

(b)Radon

(c)Thorium

(d)Radium

Comment

Answer is: C

970.

The heart of human embryo starts beating in the

(a)First week of its development

(b)Sixth week of its development

(c)Fourth week of its development

(d)Third week of its development

Comment

Answer is: C

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Biology - Questions and AnswersPage 97

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