Which one of the following chemicals is used to test for starch?

75 g of freshly dug soil was placed in an oven at 105 ℃ for 24 hours. It was allowed to cool, then reweighed. If the final mass of the dry soil was 66 g, what was the % water content of the original soil sample?

In which one of the following four cases would the pressure be greatest?

Different structures based on the same molecular formula are called:

Which of the following are the functions of a book-keeper?

1. Analysing
2. Interpreting
3. Posting
4. Recording

Genetic engineering involves:

Which of one the following statements about phloem cells is NOT true?

In coordinate geometry, the equation of the x-axis is

If closing stock Were overstated by $1,000 at the end of a trading period, the error would result in an

In humans, an egg cell is released from an ovary approximately every:

In many Caribbean countries the Queen of England is the head of state.

Such countries may be described as

All of these are ordered crystalline structures EXCEPT for:

Another name for authorised capital is

The active catalyst in a car′s catalytic converter is:

Which of the following routes taken by blood in the body is correct?

In a plant, water and dissolved minerals are transported in the:

The perimeter of a rectangle is 26 cm. The rectangle is converted to a square by tripling the width and taking a quarter of the length. What is the perimeter of the resulting square?

The gross profit of a firm is $3,600, bad debts $100, rent paid $120, rent prepaid $20, general expenses $80 and discount received $110. The net profit is

A boy throws a cricket ball straight up in the air. At the very top of its flight: