Male mosquitoes take their food from

• the human blood

• the standing water

• the sap of plants

• the dung and other debris

Which of the following pairs is not correctly matched?

• Vitamin B    -    Pyridoxine

• Vitamin C    -  Ascorbic acid

• Vitamin E    -  Alphatocopherol

• Vitamin D    -  Sunshine

Statement I. Quinine is used in the treatment of Malaria.
Statement II. It is obtained from the root of Cinchona.

• Both Statements I and II are incorrect

• Statement I is correct, but Statement II is incorrect

• Statement I is incorrect, but Statement II is correct

• Both Statements I and II are correct

Linnaeus is considered as the 'Father of Taxonomy' because he

• authored many books on Taxonomy

• was the first person to classify plants

• coined the term 'Taxonomy'

• proposed 'Binomial Nomenclature'

Collective farming is done in the grasslands of the

• steppes

• velds

• prairies

• pampas

Casuarina is a

• hydrophyte

• mesophyte

• xerophyte

• epiphyte

Radio Carbon Dating is used to estimate the age of

• soil

• monuments

• fossils

• rocks

Species is a group of individuals which can

• not inter-breed

• successfully live together in a niche

• survive even under odd conditions

• remain reproductively viable

Which of the following is not a nitrogenous fertilizer?

• Ammonium sulphate

• Urea

• Ammonium nitrate

• Super phosphate

Formic acid is produced by

• white ants

• cockroaches

• red ants

• mosquitoes