The Great Barrier Reef along the east coast of Australia can be categorised as

• population

• community

• ecosystem

• biome.

Which one of the following is a pair of endangered species

• Garden lizard and Mexican poppy

• Rhesus monkey and Sal tree

• Indian peacock and carrot grass

• Hornbill and Indian aconite

Which one of the following is a matching pair of a drug and its category

• Amphetamines - stimulant

• Lysergic acid dimethyl amide - narcotic

• Heroin - psychotropic

• Benzodiazepine - pain killer

A baby has been born with a small tail. It is a case exhibiting

• retrogressive evolution

• mutation

• atavism

• metamorphosis

Which one of the following is correctly matched regarding an Institute and its location

• National Institute of Virology - Pune

• National lnstitute of Communicable Diseases - Lucknow

• Central Drug Research Institute - Kasauli

• National Institute of Nutrition - Mumbai

26.

Electron beam therapy is a kind of radiation therapy to treat

• Enlarged prostrate gland

• Gall bladder stones by breaking them

• Certain types of cancer

• Kidney stones.

Severe Acute Respiratory Syndrome (SARS)

• is caused by a variant of Pneumococcus pneumonia

• is caused by a variant of the common cold virus (coronavirus)

• is an acute form of asthma 

• affects non-vegetarians much faster than the vegetarians

Cattle fed with spoilt hay of sweet clover which contains dicumarol

• are healthier due to a good diet

• catch infections easily

• may suffer vitamin K deficiency and prolonged bleeding

• may suffer from beri beri due to deficiency of B vitamins.

If the Bengal Tiger becomes extinct

• hyenas and wolves will become scars

• the wild areas will be safe for man and domestic animals

• its gene pool will be lost forever

• the populations of beautiful animals like deers will get stabilized.

Nitrogen oxides produced from the emission of automobiles and power plants, are the source of fine air borne particles which lead to

• photochemical smog

• dry acid deposition

• industrial smog

• wet acid deposition