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1Which of the following is a homogeneous mixture?

A Sand and water B Salt dissolved in water C Oil and water D Gravel and sand

2What is the main function of the nucleus in a cell?

A Produce energy B Control cell activities C Store waste D Transport nutrients

3Which indicator turns pink in a basic solution?

A Litmus paper B Phenolphthalein C Methyl orange D Bromothymol blue

4Which of the following is NOT a renewable source of energy?

A Solar energy B Wind energy C Coal D Hydropower

5In the human reproductive system, which organ produces sperm?

A Testes B Prostate gland C Urethra D Seminal vesicle

6What type of force pulls objects toward the centre of the Earth?

A Magnetic force B Frictional force C Gravitational force D Electrostatic force

7Which of these is a characteristic of living things?

A Having a fixed shape B Growing and developing C Being made of metal D Moving without energy

8What is the correct order of the phases of matter from least to most ordered?

A Solid, liquid, gas B Gas, liquid, solid C Liquid, solid, gas D Gas, solid, liquid

9Which part of the plant cell contains chlorophyll?

A Cell wall B Mitochondrion C Chloroplast D Nucleus

10When an acid reacts with a metal carbonate, which gas is produced?

A Oxygen B Nitrogen C Carbon dioxide D Hydrogen