Which of the following is a feature of wind pollinated flowers?

A. Large and brightly coloured petals

B. Possession of sweet scent

C. Presence of nectar

D. Presence of pollen guides

E. Smooth, light and numerous pollen grains

In testing for starch in a leaf the function of alcohol is to

A. kill the cells of the leaf

B. soften the veins of the leaf

C. aid iodine to penetrate the cells

D. be a component of the heating bath

E. extract the chlorophyll from the leaf

Which of the following processes removes CO² from the atmosphere?

A. Respiration

B. Photosynthesis

C. Transpiration

D. Excretion

E. Combustion

The role of bacteria in the nitrogen cycle includes the following except

A. fixing atmospheric nitrogen

B. converting ammonia to nitrites

C. converting nitrites to nitrates

D. converting carbohydrates to carbondioxide

E. causing the decay of dead organisms

The mode of nutrition which describes feeding habit in animals is

A. autotrophic

B. holozoic

C. holophytic

D. saprophytic

E. photosynthetic

Which of the following organisms has homodont dentition?

A. Rabbit

B. Man

C. Sheep

D. Cat

E. Lizard

The pancreatic duct opens into the

A. caecum

B. colon

C. ileum

D. duodenum

E. oesophagus

The enzyme that acts on milk in the stomach is

A. invertase

B. trypsin

C. diastase

D. renin

E. ptyalin

Which of the following plants is a carnivore?

A. Desmodium

B. Sundew

C. Mushroom

D. Platycerium

E. Liverwort

Hydra feeds by

A. digesting its food extra cellularly

B. absorbing food digested by other organisms

C. symbiotic association

D. masticating the food particles

E. synthesising its food chemically