Biology - Questions and Answers, General Study (GK)

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611.

Grey matter consists of

(a)A large number of neurons

(b)A large number of nerve cell bodies

(c)A large number of nerve fibres

(d)Neuroglia

Comment

Answer is: B

612.

Blood is formed in the human adult by the

(a)Heart

(b)Red bone marrow

(c)Yellow bone marrow

(d)Spleen

Comment

Answer is: B

613.

Haploid chromosome number is not seen in

(a)Spermatids and sperms

(b)Primary spermatocytes

(c)Spermatids

(d)Sperms

Comment

Answer is: B

614.

One of the organs that excretes water, fat and various catabolic wastes is the

(a)Skin

(b)Kidney

(c)Salivary glands

(d)Spleen

Comment

Answer is: B

615.

The body is protected against drying, absorbing and bacterial invasion by the

(a)Epithelium

(b)Secretion of sebaceous glands

(c)All of these

(d)Blocking sweat pores

Comment

Answer is: A

616.

During elections, a permanent chemical mark is at the base of the nail of index finger while exercising your franchise. This mark is not seen after months or so because

(a)The formation of new nail forcibly removes old one

(b)It is gradually oxidised by tannin and caffein that we ingest in tea and coffee respectively

(c)It is worn out by constant washing with and water

(d)Constant contact of the hands with hard Water corrodes the marks

Comment

Answer is: A

617.

Which of the following sugars are components of cane sugar ?

(a)Glucose and galactose

(b)Glucose and ribose

(c)Glucose and mannose

(d)Glucose and fructose

Comment

Answer is: D

618.

During the course of prolonged starvation and fasting, glucose or glycogen is synthesized from non-carbohydrate precursors by the process of

(a)Glycolysis

(b)Glycogenesis

(c)Glycogenolysis

(d)Gluconeogenesis

Comment

Answer is: D

619.

Which of the following compounds found in all living organisms are rich in phosphorus ?

(a)Fats

(b)Carbohydrates

(c)Nucleic acids

(d)Proteins

Comment

Answer is: C

620.

The country that leads in life expectancy for both males and females is

(a)USA

(b)UK

(c)Japan

(d)China

Comment

Answer is: C

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Biology - Questions and AnswersPage 62

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