The essential parts of the flower are labelled_______

A. I, II and III

B. II, III and IV

C. III, V and VI

D. IV, V and VI

Deficiency in insulin could lead to________

A. cirrhosis

B. hepatitis

C. diabetes

D. nephritis

Which of the following forms of energy is utilized during photosynthesis?

A. Potential

B. Kinetic

C. Solar

D. Chemical

Light is excluded from a water culture experiment in order to________

A. prevent overheating of the roots

B. enable the roots to grow straight down

C. prevent ionization of water molecules

D. prevent the growth of algae

The major mineral present in the shell of Molluscs is________

A. Copper

B. Sodium

C. Iron

D. Calcium

The digestion of proteins starts in the______

A. small intestine

B. stomach

C. large intestine

D. mouth

Tooth decay is usually caused by___________

A. undigested and absorbed food

B. eating a limited amount of sweetened food.

C. the bacteria ín the mouth that metabolize sugar to acids

D. eating a lot of proteinous foods

The conversion of ammonium salts into nitrates is called_______

A. putrefaction

B. denitrification

C. fixation

D. nitrification

The salinity of a brackish habitat________

A. increases immediately after rainfall

B. increases at the end of the rain

C. decreases with an increase in the number of organisms

D. increases during the dry season

If 90 ants are found in a field with a total area of 100 m. what is the population density of the ants?

A. 0.09

B. 0.90

C. 9.00

D. 90.00