Exercise — Introduction to Biology

Answer the 10 multiple-choice questions, then write your answers for the 10 short-answer tasks. Use the buttons to auto-check MCQs and short answers. Final "Submit All" gives a combined score out of 20.

MCQ: — / 10

Short: — / 10

Total: — / 20

Note: MCQs are marked exactly; short answers use keyword matching (auto-suggest). Teachers should review short-answer responses for full credit if needed.

Part A — Multiple Choice (10)

Q1. The word biology is best defined as:

Study of planets Study of life Study of weather

Q2. Which branch of biology studies heredity?

Ecology Genetics Botany

Q3. Photosynthesis mainly produces:

Oxygen and organic food Nitrogen Sulphuric acid

Q4. The smallest working unit of life is:

Tissue Cell Organ

Q5. Ecology is the study of:

Cells Relationships between organisms and environment Rocks

Q6. Which tool is commonly used to view tiny cells?

Microscope Telescope Stethoscope

Q7. Vaccines are most closely linked to which field?

Medicine & Immunology Botany Taxonomy

Q8. Which of the following is NOT a branch of biology?

Zoology Astrology Microbiology

Q9. Which process returns carbon dioxide to the atmosphere?

Photosynthesis Respiration Evaporation

Q10. Which is an application of biology in agriculture?

Breeding high-yield crops Building bridges Designing cars

Part B — Short Answers (10)

Write concise answers. The system will check for key words — if it finds them you get suggested credit (teacher review recommended for final grading).

S1. Explain in your own words why studying biology is important in daily life.

S2. Give two examples of how biology helps improve food production.

S3. Define the term 'cell'.

S4. Name and briefly describe one branch of biology and its use.

S5. Explain how photosynthesis benefits animals and humans.

S6. What is heredity? Give one example.

S7. Mention one way biologists use microscopes in research.

S8. How does biology link with chemistry? Provide a short reason.

S9. Give one example of a biological adaptation in plants or animals.

S10. Describe one simple experiment you could do to observe living things under a microscope.