Nafees Lashari IQ APTITUDE & ABILITY - General Everyday Science

Which of the following is a characteristic of bases?

A. Sour taste. B. Bitter taste. C. Slippery feel. D. Both B and C.

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Explanation

Bases typically have a bitter taste and feel slippery

Nafees Lashari IQ APTITUDE & ABILITY - General Everyday Science

What is the primary role of enzymes in the body?

A. Speed up chemical reactions. B. Slow down chemical reactions. C. Provide energy. D. Store nutrients.

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Explanation

Enzymes act as catalysts to speed up biochemical reactions

Nafees Lashari IQ APTITUDE & ABILITY - General Everyday Science

Which of the following is an example of a chemical change?

A. Freezing water. B. Dissolving sugar in water. C. Burning paper. D. Melting wax.

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Explanation

Burning paper results in a chemical change, producing ash and gases

Nafees Lashari IQ APTITUDE & ABILITY - General Everyday Science

What is the main function of the circulatory system?

A. To transport nutrients. B. To protect against disease. C. To regulate temperature. D. To aid in digestion.

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Explanation

The circulatory system transports nutrients and oxygen throughout the body

Nafees Lashari IQ APTITUDE & ABILITY - General Everyday Science

Which of the following is a property of a solid?

A. Definite shape and volume. B. Definite volume but no definite shape. C. No definite shape or volume. D. Fluidity.

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Explanation

Solids have a fixed shape and volume

Nafees Lashari IQ APTITUDE & ABILITY - General Everyday Science

What is the primary function of chlorophyll in plants?

A. Absorb sunlight. B. Store energy. C. Transport nutrients. D. Produce oxygen.

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Explanation

Chlorophyll absorbs sunlight for photosynthesis

Nafees Lashari IQ APTITUDE & ABILITY - General Everyday Science

Which of the following is an example of a physical change?

A. Burning wood. B. Rusting iron. C. Melting ice. D. Digesting food.

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Explanation

Melting ice is a physical change, while the others are chemical changes

Nafees Lashari IQ APTITUDE & ABILITY - General Everyday Science

What is the main source of energy for the Earth?

A. The Moon. B. The Sun. C. The Earth itself. D. Stars.

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Explanation

The Sun provides the primary energy source for life on Earth

Nafees Lashari IQ APTITUDE & ABILITY - General Everyday Science

Which gas is commonly used in balloons?

A. Oxygen. B. Helium. C. Nitrogen. D. Carbon Dioxide.

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Explanation

Helium is lighter than air, making it suitable for balloons

Nafees Lashari IQ APTITUDE & ABILITY - General Everyday Science

What is the primary purpose of vaccines?

A. To cure diseases. B. To prevent diseases. C. To treat infections. D. To enhance symptoms.

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Explanation

Vaccines stimulate the immune system to prevent infections