Thrombocytes are responsible for

A. blood clotting

B. digestion of food

C. ingestion of bacteria

D. transportation of digested food

E. transportation of dissolved oxygen

The function of digestive enzymes is to

A. acidify food

B. build up food

C. emulsify fats

D. quicken absorption

E. enhance food breakdown

Which of the following factors affects enzyme activity?

A. Atmospheric pressure

B. oxygen

C. carbondioxide

D. temperature

E. Rainfall

Which of the following is a liver disease?

A. diuresis

B. dropsy

C. hepatitis

D. nephritis

E. oedema

Which of the following is NOT an excretory organ?

A. Heart

B. Kidney

C. Liver

D. Lung

E. Skin

The organelle responsible for the transportation of substances within the cell is

A. cell membrane

B. chloroplast

C. endoplasmic reticulum

D. lysosome

E. mitochondrion

A flower made up of one carpel is referred to as

A. apocarpous

B. monocarpus

C. monogamous

D. pericarpus

E. Syncarpous

Which of the following is NOT a function of dilute hydrochloric acid secreted in the stomach of man?

A. acidities the contents

B. activates pepsin

C. inactivates pepsin

D. inactivates ptyalin

E. kills micro organisms

The respiratory structures of insects are

A. body surfaces

B. gills

C. kidneys

D. lung

E. tracheae

Chromosomes are found in the

A. cell membrane

B. centriole

C. mitochondrion

D. nucleus

E. lysosome