Correct Answer: C. nationalization

Correct Answer: B. N'dama

Explanation

(a)(i) Parasitism; is a feeding relationship or association between two organisms, in which the parasite lives in or on the body of the host, deriving benefit from and causing harm to it while the host loses in the process.

(ii) Commensalism; is a relationship or an association between two organisms of different species, in which one, the commensal benefits or gains while the other, the host, is not adversely or significantly affected in any way, i.e., it is not harmed, neither loses gains.

(b)(i)Fungal parasites of host plants include; (a) Ustilago on maize (b) Puccinia on maize,wheat or barley (c) Phytophthora palmivora on cocoa (d) Phytophthora infestans on tomato/potato (e) Alternario on tomato.

(ii) Bacterial parasites of humans include;

(a) Clostridium tetani - (tetanus;)

(b) Neisseria - (Gonorrhaea;)

(c) Mycobacterium - (Tuberculosis and leprosy;)

(d) Vibrio cholerae -(Cholera;)

(e) Salmonella paratyphi typhi (typhoid)

(f) Escherichia coli (dysentery).

(c)(i) Symptoms of malaria are;

(a) high fever or high temperature

(b) loss of appetite

(c) pains at the joints

(d) headache

(f) rigour or shivering

(g) stomach cramps

(h) dizziness

(i) vomiting co weakness or tiredness.

(ii) To control malaria

(a) treat the patient with curative drugs, e.g. chloroquin, cannoquin

(b) use anti-malaria drugs

(c) prophylactic drugs, e.g. daraprim

(d) sleep under mosquito net

(e) use screen wire net houses, windows and doors against mosquitoes to apply mosquito repellent balms

(g) burn mosquito coils or spray room with insecticides

(h) drain or avoid stagnant water bodies, bury or recycle empty cans

(i) burn herbs or plant materials, e.g. lemon grass.

(j) spray stagnant water with oil

(k) clear the bushes around the house by using predators, e.g. introducing fish to eat up mosquito larvae.

(m) educate or enlighten the public or community on the control of mosquito

Correct Answer: B. rhetorical

Explanation

(a) Reasons for sparse population of the West Coast of South Africa

(i) Harsh climate. Temperatures of desert type ranging from 21°C to 40°C.

(ii) The influence of cold Benguela Current leading to low precipitation.

(iii) Few rivers to encourage irrigation.

(iv) Poor development of mineral resources.

(v)The presence of Kalahari and Namib deserts discourage farming and settlement.

(vi) Poor soil discourages farming to support population growth.

(vii) The area falls in the rain shadow areas of Drakensberg Mountains.

(viii) Political instability

(ix) Poor infrastructural development.

(x) Pests and diseases

(xi) Low commercial and industrial activities.

(b) Disadvantages of the low population density of the West Coast of South Africa

(i) Low population density discourages development

(ii) Inadequate labour to run the few industries

(iii) Shortage of food

(iv) Under-utilization of natural resources

(v) Low income/low standard of living

(vi) Low level of investments / industrialisation

(vii) Low revenue to government

(viii) Low production output

(ix) Low population hampers developmental planning.

(x) Deterioration of unused facilities.

(c) Ways of increasing the population of the West Coast of South Africa

(a) The desert areas should be irrigated for food production.

(b) Encourage the establishment of industries

(c) Provision of infrastructure.

(d) Government should revolutionize agriculture.

(e) Provision of social amenities.

(f) Creation of job opportunities

(g) Development of new towns

(h) Improved transportation.

(i) Use of fertilizers to enrich poor soil.

Correct Answer: D. Cambium

Correct Answer: B. \(\frac{1 - \sqrt5}{4}\)

Correct Answer: A. created a federal structure of government for the country

Correct Answer: C. death

Correct Answer: A. she married him before she knew he was a robber

Explanation

The original sentence is a Type 3 Conditional (past unreal conditional).

Had she known he was a highway robber she would not have married him.

This structure implies two things:

1. She did not know he was a highway robber.

2. Because she did not know, she did marry him.

Let's evaluate the options:

• A. she married him before she knew he was a robber

* This aligns perfectly with the implications. She married him, and at the time of marriage, she didn't know his true profession. She only found out later.

• B. she knew he was a robber when she married him

* This contradicts the original statement. If she had known, she would not have married him.

• C. she did not marry him because she was a robber

* This changes the subject (she was a robber?) and the outcome. It's irrelevant.

• D. she refused to marry the man when she knew he was a robbers

* This implies she *did* know before marriage and consequently refused. The original sentence implies the opposite: she *didn't know* and *did marry him*.

Therefore, option A is the nearest in meaning.

The final answer is A