GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 072

GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 072

711). Which one of the following human activities would enhance the rate of naturally occurring mutations in organisms ?

A). Indiscriminate use of antibiotics, chemicals and pesticides

B). Deforestation and industrialisation

C). Adding organic and inorganic agrochemicals to the environment

D). Genetic engineering

Answer: Deforestation and industrialisation

    

712). Chromosomal abnormalities of an unborn child (while in mother's womb) can be found out by a technique called

A). CAT scanning

B). Ultrasound

C). Amniocentesis

D). Genetic engineering

Answer: Genetic engineering

    

713). The largest cell in the human body is

A). Nerve cell

B). Muscle cell

C). Liver Cell

D). Kidney cell

Answer: Muscle cell

    

714). All of the following foods lack vitamin, except

A). cheese

B). milk

C). meat

D). rice

Answer: cheese

    

715). The main function of white blood cells in the body is to

A). carry oxygen

B). help in clot formation

C). produce more red cells

D). protect body against diseases

Answer: help in clot formation

716). What is the occupation of a chiropodist ?

A). Manicuring of nails

B). One who treats minor ailments of the feet

C). Giving physiotherapy for spondylysis

D). During plastic surgery to remove scars in the face

Answer: During plastic surgery to remove scars in the face

    

717). When should the blood sample of a parasite be taken ?

A). An hour before the usual rise of body temperature

B). When the temperature comes down to normal

C). When the temperature is below the normal

D). A few hours after temperature return to normal

Answer: When the temperature comes down to normal

    

718). From which of the following are the artificial colouring agents for food products ?

A). Fresh vegetables

B). Fruits

C). Flowers

D). Coal tar

Answer: Fresh vegetables

    

719). Which part of the human body is first adversely affected by nuclear radiation ?

A). Eyes

B). Lungs

C). Skin

D). Bone marrow

Answer: Bone marrow

    

720). Muscles of which of the following parts of the body are the strongest?

A). Thigh

B). Wrist

C). Finger

D). Jaw

Answer: Jaw