Test questionnaire in Science first quarter for grade 8 students

GRADE 8 SCIENCE – 50 ITEM EXAM
MULTIPLE CHOICE


■ Cells (1–15)

1. What is the smallest unit of life?
A. Atom B. Cell C. Tissue D. Organ

2. What controls cell activities?
A. Cytoplasm B. Nucleus C. Membrane D. Ribosome

3. Which organelle produces energy?
A. Nucleus B. Mitochondria C. Cell wall D. Vacuole

4. Which is found only in plant cells?
A. Mitochondria B. Chloroplast C. Nucleus D. Cytoplasm

5. The cell membrane functions to:
A. Produce food B. Control entry and exit C. Store DNA D. Give shape

6. Which cell part contains DNA?
A. Membrane B. Cytoplasm C. Nucleus D. Cell wall

7. Plant cells have a:
A. Cell wall B. Flagella C. Lysosome D. Capsule

8. Jelly-like substance in the cell:
A. Nucleus B. Cytoplasm C. Cell wall D. Membrane

9. Basic unit of all living organisms:
A. Organ B. Tissue C. Cell D. System

10. Which is NOT in animal cells?
A. Nucleus B. Cytoplasm C. Chloroplast D. Membrane

11. Mitochondria is known as:
A. Brain B. Energy factory C. Skin D. Storage

12. Cells form:
A. Atoms B. Tissues C. Molecules D. Energy

13. Tissue forms:
A. Organ B. Cell C. Atom D. Molecule

14. Organ system is made of:
A. Cells B. Organs C. Atoms D. Molecules

15. Chloroplast helps in:
A. Digestion B. Respiration C. Photosynthesis D. Movement