The structure labelled X is involved in the

The organism labelled I is

The change in the red blood cell shown in II occurs because water

Which of the following is NOT a function of calcium?

Which of the following cell structures traps energy from sunlight t to help in the production of simple sugars?

Which of the following statements is NOT true of anemia?

Which of the following reagents gives a positive test for MAIN food present in a slice of baked potato?

Kwashiorkor is a deficiency disease caused by lack of

Which of the following types of teeth is BEST adapted for tearing tough pieces of food?

The layer of the tooth which is harder than bone is labelled

Which of the parts labelled I, II, III and IV helps to hold the tooth in its socket?

Amino acids, derived from protein are an essential nutritional component of our diet because they

The process by which undigested food is eliminated from the body is called

Which of the following is NOT a function of the colon?

Climbing up a mountain, a group of hikers finds that breathing becomes difficult. This is MOST likely because

Which of the following is the correct sequence of events in mouth-to-mouth resuscitation?

I pinch the nostrils

II place your mouth over the other person's and blow gently

III remove your mouth

IV tilt the head backward

Which of the following BEST completes the equation for aerobic respiration?

glucose+oxygen→

During respiration, the release of energy in a cell occurs when

Which of the following substances found in cigarette smoke is addictive?

Which of the following is a correct comparison of the structures labelled X and Y?

Which of the following vitamins assist in the process of blood clotting?

Which of the following is tough, flexible, fibrous connective tissue that joins two bones to form a stable joint?

Coronary thrombosis occurs when

The diagram MOST likely represents a

locomotion is NOT important for humans to

Which of the following joints allows the movement of bones in one plane ONLY?

Which of the following is the MOST severe damage caused by the prolonged wearing of high-heeled shoes?

A small volume of urine will MOST likely be produced after

The longest continuous bone in the human skeleton is the

Which of the following processes occurs when a person's blood glucose level is too high?

Liam notices that his face is flushed (red) after playing football. Which of the following processes causes his face to be flushed?

Which of the following substances are found in the urine of a healthy person?

Which of the following conclusions can be drawn from the table, about voluntary and involuntary actions?

Which hormone is secreted by the organ labelled S?

The central nervous system is made up of

The cell above is known as

Which of the following comparisons is NOT true for nervous and hormonal control?

Ovulation is the process by which a

The MAIN reason for practicing family planning is to

Which of the following methods of birth control is LEAST effective in preventing pregnancy?

Which of the following are true about the Fallopian tube?

I site where fertilization of the ovum occurs

II facilitates the passage of the ovum to the uterus

III produces the ovum

During which part of her cycle is she MOST likely to become pregnant?

A tall man (TT) and a short woman (tt) have two children.

Which of the following indicates the phenotype of the children?

In which of the following structures is an allele for eye colour located

Which statements are true about cholera?

I. it is caused by a bacterium

II. persons practising poor hygiene are more susceptible

III. It can be fatal without medical treatment

IV. it involves the formation of ulcers

Which statement is NOT true of syphilis?

I. it is caused by a bacterium

II. persons practising poor hygiene are more susceptible

III. It can be fatal without medical treatment

IV. it involves the formation of ulcers

During asexual reproduction, an organism produces new organisms that are identical to the parent by the process of

Antiretroviral drugs are used to

Which of the following occurs when a zygote receives ONE extra chromosome?

Which stage is prevented by keeping household refuse properly covered?

Infected persons display signs and symptoms of diseases.

Which of the following signs and symptoms are correctly classified?

Natural passive immunity involves

The Anopheles mosquito is known for the spread of

After a flood, the BEST method of removing bacteria from water for drinking purposes is

The process of adding a calculated amount of chemical that is effective for killing bacteria in a water treatment plant, before water is distributed to customers, is called

Which of the following labels indicates the process of evaporation?

Which of the following is the correct sequence for conducting a test for the presence of bacteria?

I agar plate is inoculated by streaking the loop across agar

II agar plate is covered and left for two days

III loop, petri dish and agar are sterilized

IV agar plate is examined for growth of bacterial colonies

Which of the following activities are part of the biological filter method of sewage treatment?

I sewage is pumped into a tank containing concrete stones

II bacteria and protozoa feed on sewage

III the sewage is aerated and mixed with a paddle

Compaction is done at landfills in order to