Which of the following organisms is not a protozoan?

A. Amoeba

B. Ascaris

C. Plasmodium

D. Paramecium

The structure of the cell membrane is a

A. double layer and a double protein layer

B. middle bi-layer of protein with a lipid layer on either surface

C. middle bi-layer of lipid with a protein layer on either surface

D. protein layer with two inner lipid layers

Which of the following cells is a specialized cell?

A. Amoeba

B. Plasmodium

C. Guard cell

D. Meristematic cell

When a Spirogyra filament is placed in a concentrated salt solution for 30 minutes, the cell would become

A. plasmolysed

B. turgid

C. shortened

D. elongated

Water and salts are both lost from the human body in

A. breath and sweat

B. breath and Urine

C. breath, urine and sweat

D. sweat and urine

Which of the following features could be used to determine the growth of a seedling?

A. Number of flowers

B. Number of leaves

C. Length of flowers

D. Length of radicle

A plant that commonly undergoes vegetative propagation by means of leaves is

A. Hibiscus

B. Bryophylum

C. Crotalaria

D. Spirogyra

Blood pressure is higher in the arteries as a result of

A. stree

B. contraction and relaxation

C. blockage in the arteries

D. presence of valves

A farmer who wants to keep seeds for three years before planting and wants to prevent them from sprouting uses

A. auxin

B. gibberellins

C. abscisin

D. cytokinins

A person had an accident that affected the skull but not the nose and later lost the sense of smell. The accident must have a affected the

A. nose by extension

B. olfactory lobes of the brain

C. passage from the nose to the brain

D. part of the skull near the nose