9th class Biology, Chapter 1: The Science of Biology MCQs

1. Heart pumps blood, stomach digests food, and kidneys excrete wastes. The statement comes from:

1. (A) Physiology ✓
2. (B) Anatomy
3. (C) Morphology
4. (D) Histology

2. Which step comes between making hypothesis and doing experiments?

1. (A) Making deductions ✓
2. (B) Making observations
3. (C) Summarizing results
4. (D) Analysing data

3. Which of the following is NOT a characteristic of the scientific method?

1. (A) It relies on evidence
2. (B) It involves formulating hypotheses
3. (C) Hypothesis will always be correct ✓
4. (D) It requires rigorous testing

4. Choose the correct sequence of steps of scientific method?

1. (A) Observations – hypothesis – deduction – experiments ✓
2. (B) Observations – hypothesis – law – theory
3. (C) Hypothesis – observations – deduction – experiments
4. (D) Law – theory – deduction – observations

5. People who slept near smoky fire had less chance to suffer from malaria. Why?

1. (A) Smoke kills Plasmodium in their blood
2. (B) Fire increases temperature and Plasmodium are killed in air
3. (C) Mosquitoes cannot tolerate smoke and are repelled ✓
4. (D) Smoke kills Plasmodium present in mosquitoes

6. Experiments are very important in scientific method because a researcher:

1. (A) Always gets correct results
2. (B) Disproves many hypotheses and gets some hypothesis proved ✓
3. (C) Is sure that he will prove the hypotheses
4. (D) Gets a chance to work in the laboratory

7. The word "Biology" comes from which two Greek words?

1. (A) bios and logos ✓
2. (B) zoon and logos
3. (C) phyton and bios
4. (D) anatomy and logos

8. The study of animals, including their structure, function, behaviour and diversity, is called:

1. (A) Zoology ✓
2. (B) Botany
3. (C) Microbiology
4. (D) Ecology

9. The study of microorganisms such as bacteria and microscopic fungi is called:

1. (A) Zoology
2. (B) Botany
3. (C) Microbiology ✓
4. (D) Cytology

10. Which branch of Biology studies cells and their organelles?

1. (A) Histology
2. (B) Cytology ✓
3. (C) Embryology
4. (D) Genetics

11. The study of fossils is called:

1. (A) Pathology
2. (B) Palaeontology ✓
3. (C) Pharmacology
4. (D) Physiology

12. Which branch deals with the transfer of characteristics from parents to offspring?

1. (A) Genetics ✓
2. (B) Embryology
3. (C) Taxonomy
4. (D) Ecology

13. The microscopic study of tissues is called:

1. (A) Anatomy
2. (B) Histology ✓
3. (C) Morphology
4. (D) Cytology

14. The development of an organism from a fertilized egg is studied in:

1. (A) Embryology ✓
2. (B) Genetics
3. (C) Pathology
4. (D) Immunology

15. To become a dentist a student needs a:

1. (A) 5-year MBBS degree
2. (B) 4-year BDS degree ✓
3. (C) 2-year diploma
4. (D) 4-year BS degree in Forestry

16. The first step of the scientific method is:

1. (A) Experiments
2. (B) Results
3. (C) Recognition of a problem ✓
4. (D) Deduction

17. A tentative answer to a scientific problem is called a:

1. (A) Hypothesis ✓
2. (B) Theory
3. (C) Law
4. (D) Deduction

18. Observations that cannot be measured with numbers, such as the colour and texture of a flower, are:

1. (A) Quantitative
2. (B) Qualitative ✓
3. (C) Deductive
4. (D) Experimental

19. The number of birds in a tree is an example of a ____ observation.

1. (A) quantitative ✓
2. (B) qualitative
3. (C) hypothetical
4. (D) logical

20. "If iron deficiency is causing the symptoms, then adding iron to the soil will improve the colour of leaves." This statement is a:

1. (A) Hypothesis
2. (B) Deduction ✓
3. (C) Theory
4. (D) Law