Chapter No 1 Introduction to biology

Explore solved MCQs from Chapter 1 of Biology for Class 9, Chapter no.1 Introduction to biology designed to help students ace their exams. This collection features the most repeated MCQs for Classes 9 and 10, along with biology MCQs tailored for MDCAT and other competitive exams. Strengthen your preparation with these carefully curated questions, perfect for mastering key concepts and achieving success in your exams!

1. Members of the same species living in the same place at the same time make a;

(a) Habitat

(c) Community

(b) Biosphere

(d) Population ✅

 

2. If a scientist is studying the methods of inserting human insuline gene in bacteria, which branch of biology may this be?

(a) Anatomy

(b) Physiology

(c) Biotechnology ✅

(d) Pharmocology

 

3. Which one will be the correct sequence of the levels of organization of life?

(a) Cell, organelle, molecule, organ, tissue, organ system, individual

(b) Molecule, tissue, organelle, cell, organ system, organ, individual

(c) Molecule, organelle, cell, tissue, organ, organ system, individual ✅

(d) Organ system, organ, tissue, cell, molecule, organelle, individual

 

4. Which of these major bioelements is the highest percentage in protoplasm?

 

(a) Carbon

(b) Hydrogen

(c) Oxygen ✅

(d) Nitrogen

 

5. Which of the following group include organisms all of which are absorptive in their nutrition?

 

(a) Protists

(b) Animals

(c) Bacteria

(d) Fungi ✅

 

6. Similar cells organized into groups and performing same functions, are known as:

 

(a) Organelle

(b) Tissue ✅

(c) Organ

(d) Organ System

 

 

7. Which of these tissues also makes the glandular tissue in animals?

 

(a) Epithelial tissue ✅

(b) Muscular tissue

(c) Connective tissue

(d) Nervous tissue

 

8. The level of organization that is less definite in plants is:

 

(a) Tissue level

(b) Organ level

(c) Organ system level ✅

(d) Individual level

 

 

9. What is true about volvox?

 

(a) Unicellular prokaryote

(b) Unicellular eukaryote

(c) Colonial eukaryote ✅

(d) Multicellular eukaryote

 

10. When we study the feeding relations among different animal species of a forest, at what level of organization we are studying?

 

(a) Individual

(b) Population

(c) Community ✅

(d) Biosphere

 

11. ____________ knowledge is the common heritage of mankind

 

(a) Scientific ✅

(b) Islamic

(c) Biological

(d) None of these

 

12. The example of colonial organism is:

 

(a) Amoeba

(b) Volvox ✅

(c) Frog

(d) Mustard plant

 

13. The example of micromolecule:-

 

(a) Starch

(b) Protein

(c) Fats

(d) Water ✅

 

14. Microscopic study of tissues is called:-

 

(a) Physiology

(b) Morphology

(c) Histology ✅

(d) Anatomy

 

 

15. Which one is major biological issues today?

 

(a) Infectious diseases

(b) Addictive drugs

(c) Environmental pollution

(d) All of these ✅

 

16. Organisms of a species living in a particular habitat at a particular time:

 

(a) Population ✅

(b) Community

(c) Individual

(d) None of these

  

17. Study of insects is called:

 

(a) Immunology

(b) Entomology ✅

(c) Genetics

(d) Ecology

 

18. Water makes __________ of the  composition of protoplasm of all living things.

 

(a) 60%

(b) 70%

(c) 50-60%

(d) 60-70% ✅

 

19. The number of bioelements is:

 

(a) 92

(b) 6

(c) 16 ✅

(d) 10

 

20. How much nitrogen is present in making body mass of a living organism?

 

(a) 10%

(b) 3% ✅

(c) 1%

(d) 18%

➡ Next MCQs Page