Which is a morphological variation

A. Ability to taste PTC

B. Ability to roll the tongue

C. Behaviour

D. Blood group

E. Finger print

Which one is NOT an essential part of a flower?

A. Anther

B. Filament

C. Ovary

D. Peta

E. Stigma

Evidence of organic evolution can be deduced from all the following EXCEPT

A. Antecology

B. Comparative anatomy

C. Embryology

D. Fossil records

E. Geographical distribution

What is NOT an abiotic factor?

A. Humidity

B. predators

C. temperature

D. turbidity

E. wind

The instrument used to measure the rate of transpiration in plants is called a/an

A. Anemometer

B. Barometer

C. Hydrometer

D. Photomer

E. Potometer

What percentage of oxygen is contained in exhaled air?

A. 21%

B. 16%

C. 4%

D. 0.04%

E. Less than 0.01%

The structure that hydra uses to immobilize its prey is called

A. Enteron

B. Osteoblasts

C. Osteocysts

D. Pneumatocysts

E. Pneumatophores.

Which statement about a nerve cell is NOT correct?

A. Sensory neurones have their cell bodies in the ganglia along dorsal wall

B. The axon conduct impulses away from the cell body

C. The cell body consists of the nucleus and cytoplasm.

D. The cell bodies of the motor neurones are located in the white matter of the spinal cord.

E. The dendrites transmit impulses towards the cell body

Under secretion of thyroxine before maturity causes an abnormality known as

A. Cretinism

B. Gigantism

C. Dwarfism

D. Myxoedema

E. Obesity

Which is NOT a carnivorous plant?

A. Bladderwort

B. Dodder plant

C. Drosera

D. Pitcher plant

E. Venus flytrap