UNIZIK Biology 2007/2008 Day 2 Past Questions

A germinating seed requires oxygen which is essential for

A carbohydrate molecules in the right ventricle of the heart is pumped into the cell of the toe of man. Which of these structures is it unlikely to pass through enroute?

Which of these elements is required by plants in small quantities only?

The mammalian stomach can carry out a number of processes except:

A farmer working in a swamp rice farm did not have any food nor drink any water. Which of the disease can he not contract?

A Sechi disc is used in the determination of:

Which of these is not an enzyme?

The plumule is best described as

A gland in the human body secretes two hormones, one of which causes a disease called diabetes when there is a deficiency. Which of these organs produces the hormones

A sugar solution was boiled with fehlings solutions A and B and the colour remained blue. The sugar tested was :

Root hairs have their origin from

The one seeded fruit in which the pericarp and seed coat have become fused together is known as

Milk can be pasteurized by

Human beings require vitamins in their diet because vitamins

The organ through which food and oxygen are supplied to the human embryo and which also prevents harmful materials from reaching the embryo is the

Which of the following food substances is digested in the stomach?

The conversion of excess amino acids into urea occurs in the

Where is the food stored in a yarn plant?

Growing yarn tendrils climb for support. This growth response is

The functional unit of a mammalian kidney is the

The glottis is the opening which leads to the

If the gall bladder of a man is removed by surgery, which of the following processes will be most seriously affected?

For pollen to be released in Crotolaria juncea the insect must depress the

In an agricultural ecosystem, the biotic component consists of

Which of the following is an example of discontinuous variation?