Integrated Science — 2012

The S.I unit for measuring the work done by a force is

The chemical formula of a compound describes the

Which of the following life processes is represented by the equation glucose + oxygen → carbon dioxide + water + energy?

Each layer of soil profile is known as

When the p - n junction of a transistor is reversed biased

When a solid-liquid mixture is filtered, the liquid that separates out into the container is called

Which of the following processes involves the solid state of matter?

Which of the following farming systems is most effective in maintaining soil fertility?

The disease in humans which is associated with insufficient intake of calcium is

The arrow in the circuit symbol of either n - p - n or p - n - p transistor is always on the

Which of the following insect pests of crops has piercing and sucking mouthparts?

A reflex action involves the

The type of image formed in a plane mirror is always

Which of the following statements about acids are correct ?

A transistor is said to operate in an active region when

Tuberculosis is spread

One function of engine oil in the engine of a tractor is to

Black pod is a disease of

The efficiency of a machine is always less than 100% because part of the energy input is used to

Which of the following electronic components are used to produce oscillator circuits?

Which of the following sources of light is natural?

Which of the following substances are carried by the blood?

The practice of starting new organization in response to identified opportunities is termed

The sub-atomic particle with zero charge in the nucleus of an atoms is called

Which of the following management practices greatly helps in record keeping?

In a pin-hole camera, when the size of the pin-hole is increased, the image formed is

Non-reactive metals are preferred in making ornaments and jewellery because they

Producers in an ecosystem are plants that

The use of resistant varieties of crop in controlling diseases is described as

The chemical formula for aluminium oxide is represented as Al x O y . The values of x and y are respectively

In electrical circuits, the component that protects appliances against high currents is the

One benefit of technology to industrialization is

Which of the following factors contribute to early parenthood?

Which of the following examples of fertilizers improves soil texture?

The reaction between hydrochloric acid and sodium hydroxide produces

In modern electrical wirings the colour code for the live wire is

An example of soil minor nutrient is

The complete development of a human foetus in the womb normally takes

A material that allows a small amount of light energy to pass through it but cannot be seen through is referred to as

The lead of the transistor responsible for activation is the