1) Which of the following is the basic unit of life? a) Atom b) Molecule c) Cell d) Tissue 2) Which organelle is known as the “powerhouse of the cell”? a) Nucleus b) Mitochondria c) Ribosome d) Chloroplast 3) Plants make their own food through a process called: a) Respiration b) Photosynthesis c) Digestion d) Transpiration 4) What is the process by which cells divide to form two identical daughter cells? a) Meiosis b) Mitosis c) Fertilization d) Differentiation 5) Which of the following is NOT a part of the human digestive system? a) Stomach b) Lungs c) Small intestine d) Esophagus 6) Which part of the plant is responsible for absorbing water and minerals from the soil? a) Stem b) Leaf c) Root d) Flower 7) Which macromolecule is the main source of energy for the body? a) Proteins b) Carbohydrates c) Lipids d) Nucleic acids 8) The green pigment in plants that captures light energy is called: a) Chlorophyll b) Carotene c) Xanthophyll d) Anthocyanin 9) Which blood cells help fight infections in the body? a) Red blood cells b) White blood cells c) Platelets d) Plasma 10) Which kingdom includes organisms that can make their own food through photosynthesis? a) Fungi b) Plantae c) Animalia d) Protista

GRADE 7 SCIENCE

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