The rate of reaction between marble and hydrochloric acid can be speeded up by using:

We use expanded polystyrene cups for heat of reaction experiments because the cups are:

All of these are used as food additives EXCEPT for:

The group of elements whose molecules and atoms are the same is called:

Which of the following are advantages of asexual reproduction in a flowering plant?
Ⅰ Large numbers of offspring are rapidly produced.
Ⅱ Favourable genotypes are maintained from one generation to the next.
Ⅲ The plant does not need to rely on wind or insects for pollination.
Ⅳ Several identical individuals grow close together.

A lack of vitamin D in the diet causes:

In a partnership maintaining fixed capital accounts, the net profit is appropriated to the

Dividing the mass in grams by the mass of 1 mole in grams gives:

2(5 - x) - 3(x - 6) =

THE ITEM refer to the following family functions.

The family provides security and love for the growing children.

A typical soil contains mineral particles, humus, water, air and:

Overfishing means:

Instruction: Choose from the four options the word or pair of words which BEST completes the meaning of the sentence.

When parents display a ............ for one child, the others are likely to feel ............

Difficulty faced at home and the hope of a better life in town BEST illustrate the effect of

Which of the following can cross the placenta from mother to fetus?

Which of the following are all secondary sex characteristics in females?

THE ITEM is based on the following extract.

Unemployment and hard economic conditions have forced both parents in some Caribbean families to migrate, leaving an elder son or daughter to care for the younger brothers and sisters.

Which of the following problem is LEAST likely to affect the younger brothers and sisters?

The monomer used to make poly (propene) is called:

Vegetables like cauliflower, cabbage and broccoli have been bred from the original wild brassica plant by:

A machine costs $10,000. It has an expected life of six years and has a residual value Of $400. Using the straight-line method, what is the depreciation per annum?