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1Which organelle is known as the powerhouse of the cell?

A Mitochondria B Nucleus C Ribosome D Vacuole

2What is the process by which green plants make their food?

A Photosynthesis B Respiration C Digestion D Excretion

3Which of the following is NOT a classification group for living organisms?

A Phylum B Genus C Petal D Kingdom

4What is the function of the ribosomes in a cell?

A Protein synthesis B Energy production C Storage of genetic material D Waste disposal

5Which of the following is a plant nutrient?

A Calcium B Iron C Vitamin C D Protein

6What is the basic unit of life?

A Cell B Tissue C Organ D Organism

7Which of the following is a non-living factor in an ecosystem?

A Sunlight B Plants C Animals D Fungi

8What is the function of the nucleus in a cell?

A Control cell activities B Break down food C Store water D Produce oxygen

9Which of the following is a characteristic of all living organisms?

A Growth B Sunlight absorption C Rock formation D Cloud formation

10What is the main function of the vacuole in a plant cell?

A Storage of water and nutrients B Protein synthesis C Energy production D Cell division