Solved MCQs Of Biology Class 9 with Answers

Welcome to a new series of Biology MCQs. In this series, you will find solved MCQs of Biology Class 9 with answers. Whether you are a student of class 9th or an aspirant preparing for competitive exams or tests.

Solved MCQs of Biology Class 9

These class 9th Biology MCQs will provide help for your online test preparation. We have curated a list of solved MCQs from the Biology Class 9th syllabus to help you better understand the concepts.

We have tried to cover all Chapters of the Class 9th Biology. All the essential topics and questions are designed to test your understanding of the subject.



1. Miss Aisha was busy dissecting and analyzing the heart of the frog she probably is:

  • a. Cell biologist
  • b. Taxonomist
  • c. Histologist
  • d. Palaeontologist

c. Histologist

2. How many people get lung cancer by smoking? This question can be answered through:

  • a. Biometry
  •  b. Biophysics           
  • c. Bioeconomics    
  • d. Palaeontology

a) Biometry

3. Al-Qanun-fil-Tibb is the famous book of:

  • a. Bu Ali Sina
  • b. Jabir Bin Hayyan
  • c. Abdul Malik Aasmai.
  • d.Ibn Nafees

a. Bu Ali Sina

4. Which one of the following contains a large number of cells but is not multicellular?

  • a. Frog             
  • b. Volvox  
  • c. Mushroom
  • d. Chlamydomonas

b. Volvox

5. According to the five-kingdom system of classification mushrooms belong to the:

  • a. Plantae
  • b. Fungi    
  • c. Animalia                
  • d. Protista

6. The level of organization which is represented by the heart of the frog is:

  • a. Organ
  • b. Tissue                      
  • c. Organism               
  • d. Organelle

a. Organ

7. One of the following is not a macromolecule:

  • a. Glucose        
  • b. Sucrose    
  • c. Fatty acid                
  • d. protein

b. Sucrose

8. The number of plants in the desert is scarce this could be the statement of:

  • a. Palaeontologist
  • b. Social biologist
  • c. Biogeographic  
  • d. Taxonomist

c. Biogeographic

9. Which bio-element makes most of the composition of an organism’s body?

  • a. Hydrogen    
  • b. Carbon          
  • c. Oxygen                        
  • d. nitrogen

c. Oxygen

10. Which of the following cellular organization represents volvox?

  • a. Unicellular
  • b. Multicellular           
  • c. Bi-cellular   
  • d. Colonial

d. Colonial

11. 99 % of human body mass is made of________ elements:

  • a. 10                     
  • b. 16                           
  • c. 6                  
  •  d. none

c. 6

12. Carbon and hydrogen percentage in our body is ____________?

  • a. 10:10
  • b. 18:18
  • c. 10: 18          
  • d. 18: 10

d. 18:10

13. Calcium and phosphorus make _______ % of body mass.

  • a. 1: 2
  • b. 1:1                            
  • c. 2:1               
  • d. 2:2

c. 2:1

14. Water, amino acid and glucose are ______________?

  • a. Micormolecule   
  • b. Macromolecules       
  • c. Organelles     
  • d. Cells

a. Micromolecule

15. Mitochondria, chloroplast and ribosomes are________?

  • a. cells                     
  • b. tissue                         
  • c. organelles      
  • d. organs

c. organelles

16. Biostate is also called__________?

  • a. Biophysics            
  • b. Bioeconomics           
  • c. Biometry        
  • d. None

c. Biometry

17. The study of insects is called _________?

  • a. Entomology         
  • b. Biology                      
  • c. Cell Biology  
  • d. Taxonomy

a. Entomology

18. Cell biology is also called ____________?

  • a. Cytology     
  • b. Botany                        
  • c. Taxonomy         
  • d. All 

a. Cytology

19. Power house of the cell is called_________?

  • a. mitochondria
  • b. ribosomes                  
  • c. cells                    
  • d. none

a. mitochondria

20. Commonly used antibiotics are __________?

  • a. Augmentin
  • b. Panadol
  • c. Penicillium          
  • d. All 

c. Penicilllium

21. A group of similar organisms that can interbreed freely and produce offspring is called?

  • a. species
  • b. genus
  • c. family                 
  • d. All

a. species

22. Factory of proteins is called ___________?

  • a. cells                                   
  • b. Ribosomes                   
  • c. nucleus                
  • d. None

b. Ribosomes

23. Ibn-ul-haitham wrote a book called________________?

  • a. Kitab-ul-minazir
  • b. Mizan-ul-hikam
  • c. both                    
  • d. none

c. both

24.  Well known eye specialist is known as _________?

  • a. Ali bin issa
  • b. Jabbir bin hayan
  • c. Ibn ul nafees       
  • d. none

a. Ali bin issa

25.  Penicillin was discovered in ______________?

  • a. 1947
  • b. 1960                              
  • c. 1925                    
  • d. 1928

d. 1928



In this chapter of Solved MCQs Of Biology Class 9 you will find Solved MCQs on Solving a Biological Problem.

1. which one is the first step in the biological method?

  • a. hypothesis
  • b. experiment
  • c. observation  
  • d. deduction

c. observation

2. What is the correct experiment to know that plasmodium destroys red blood cells?

  • a. examine the blood of a single healthy person
  • b. examine the blood of a single infected person
  • c. allow the mosquito to bite a healthy person and examine his blood
  • d. examine the blood of some healthy and also some infected persons

d. examine the blood…

3. What is the best way to analyze the data collected from the experiment?

  • a. reading that data and drawing the conclusion
  • b. discussion with a scientist
  • c. a simple calculation on a calculator
  • d. application of statistical formulae

a. reading that data…

4. People who slept near smoky fires had less chance of malaria:

  • a. smoke kills plasmodium
  • b. the fire killed plasmodium
  • c. a mosquito cannot tolerate the smoked
  • d. smoke kill plasmodium

c. a mosquito …

5. Which of the following is not characteristic of the hypothesis:

  • a. it must be consistent with all available data
  • b. it must be testable
  • c. it must be correct
  • d. must make a deduction

a. it must cont..

6. Deductions are made from:

  • a. observation
  • b. hypothesis
  • c. experiment result
  • d. solution of biological problem

b. hypothesis

7. Which one of the following is true about the statement of hypothesis?

  • a. logical
  • b. possible answer
  • c. based upon observation
  • d. all of these

d. all of these

8. The actual answer to the scientific problem is:

  • a. observation
  • b. hypothesis              
  • c. data             
  • d. conclusion

d. conclusion

9. Which mosquito can transmit plasmodium to human beings?

  • a. anopheles
  • b. culex                       
  • c. Aedes         
  • d. all of these

a. anopheles

10. For the first time, who found plasmodium in the blood of a malarial patient?

  • a. Ronald ross
  • b. laveran                  
  • c. A.F king     
  • d. Mendal

b. laveran

11. Virus of dengue fever is transmitted by:

  • a. anopheles
  • b. culex                       
  • c. Aedes         
  • d. all of these

c. Aedes

12. Malaria is ……. Word:

  • a. Italian
  • b. American                
  • c. Arabic      
  • d. None 

a. Italian

13. Hypothesis “plasmodium is the cause of malaria” is given by:

  • a. Ross
  • b. Laveran            
  • c. A.f king      
  • d. none

b. Laveran

14. Hypothesis “mosquitos are involved in the spread of malaria” is given by:

  •  a. Ross                                    
  • b. Laveran                   
  • c. A.F king       
  • d. none 

c. A.F King

15. Culex mosquitoes cause malaria in:

  • a. human        
  • b. dog                        
  • c. sparrow         
  • d. all of these

c. Sparrow



This unit of Solved MCQs Of Biology Class 9 includes Biodiversity MCQs with Answers for Online Test Preparation. 

1. Which character of viruses makes their resemblance with living organisms?

  • a. it is unicellular
  • b. it is eukaryotic
  • c. it has both plant and animal-like characteristics
  • d. it lives in water

c. it has…

2. The kingdom which contains eukaryotic and autotrophic organisms is:

  • a. Protista                   
  •   b. Monera                  
  •   c. Fungi                    
  •    d. none 

c. Fungi

3. The five kingdoms of classification were modified by:

  • a. Robert Whitiker
  • b. Margullis and Schwartz  
  • c. Carolus lineaus
  • d. Aristotle

b. Margullis and Schartz

4. Aristotle classifies the organism on the basis of:

  • a. habitat 
  • b. cell structure           
  • c. morphology            
  • d. anatomy

a. habutat

5. Which of the following kingdoms possess the simplest organism?

  • a. Fungi
  • b. Monera                   
  • c. Protista                  
  • d. Plantae

b. Monera

6. Which kingdom contains the organism with a cell wall but without chlorophyll?

  • a. Protista
  • b. Fungi                     
  •  c. Plantae                    
  • d. Animalia

b. Fungi

7. Which one basic the basic unit of classification?

  • a. Genus
  • b. species                
  • c. family                     
  • d. order   

b. species

8. Maximum biodiversity is found in:

  • a. forest
  • b. Grassland              
  • c. Desert                     
  • d. Mountains

a. forest

9. The variety of an organism is called:

  • a. Biodiversity
  • b. Species                    
  • c. Genus                      
  • d. None

a. Biodiversity

10. There are ………. Plants which depend on bees for pollination:

  • a. 6000
  • b. 130,000                  
  • c. 23000                     
  • d. 24000  

b. 130,000

11. Carolus lineaus classify the organism into:

  • a. Two kingdom
  • b. five kingdom          
  • c. three kingdom         
  • d. Six kingdom 

a. Two kingdom

12. Prion, viroid and virus are……. Particle:

  • a. cellular
  • b. sub cellular           
  • c. both                        
  • d. none

b. sub cellular


The solved MCQs of Biology Class 9 can be a great way to prepare for the upcoming examinations. By going through the MCQs, you can get a better grasp on the various topics covered in the course. Additionally, they can help you identify the areas in which you need to focus more. With the help of these MCQs, you can get a better understanding of the concepts of Biology and be better equipped to face the upcoming examinations.

More Class 9th Solved MCQs


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