Biology Mcqs

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This compilation of Biology MCQs is an invaluable resource for candidates preparing for competitive exams conducted by the Institute of Business Administration (IBA) and National Testing Service (NTS) for scale 5 to 15 jobs. The MCQs cover a broad range of topics essential for anyone looking to secure a position in fields requiring a strong foundation in biology. From the structure of the human body and the classification of living organisms to the biochemical processes that underpin life itself, these questions are meticulously chosen to reflect the most frequently tested concepts in biology. Here's a brief overview of what's included:Basic Anatomy and Physiology: Questions like the location of the tibia or the largest gland in the human body test foundational knowledge in human anatomy and physiology.Physical Properties of Water: The question about water's maximum density at 4°C touches on its unique properties that are crucial for life.Biological Sciences: The quiz asks about the study of life (Biology) and the origin of the word, tapping into basic biological literacy.Taxonomy: It explores the modern system of classification into kingdoms, highlighting the importance of understanding biodiversity.Biochemistry and Molecular Biology: Queries about the molecular basis of life, such as the building blocks of living matter and functional units of DNA, assess knowledge critical for various biological disciplines.Biotechnology: This field's inclusion underscores its growing importance and application in contemporary biology.





Biology Mcqs

Most repeated MCQs for IBA & NTS

For  preparation of 5 to 15 scale 


 1) Tibia is a bone found in the ____________?


A. Skull.                  B. Arm

C. Leg.                      D. Face


2) Which is the largest gland in the human body?


A. Thyroid                        B. Liver

C. Pancreas                      D. None of these


3) Water has maximum density at____________?


A.0°C .                      B.4°C

C.4° K                       D.4.8°C


4) The scientific study of livings is called?


A. Anatomy                     B. Biology

C. Geology                        D. Zoology


5) The word “BIOLOGY” has been derived from_________ word?


A. Latin                   B. English

C. Greek .                D. French


6) According to modern system of taxonomy, living organisms have been classified into?


A. Three Kingdoms              B. Five Kingdoms

C. Two Kingdoms.                  D. Six Kingdoms


7) Kingdom Protoctista includes____________?


A. Fungi                      B. Prokaryotes

C. protists.                   D. Piantae


8)Earthworm is included in_____________?


A. Kingdom Plantae .  B. Kingdom Protoctista

C. Kingdom Monera    D. Kingdom Animalia


9)The branch of Biology which deals with the use of data and techniques of engineering & technology concerning living organisms is:


A. Human Biology   B.Environmental Biology

C. Genetics .              D. Bio-technology


10) The molecules of living matter that provide building blocks are mostly based on:


A. Carbon .                       B. Nitrogen

C. Hydrogen.                    D. Ammonia


11) Human blood is an example of__________?


A. Organelle                          B. Tissues

C. Organic compound         D. Inorganic compounds



12) Organelles are_______________?


A. Unicellular structures

B. Multi-cellular structures

C. Sub-cellular structures

D. Non-cellular structures




13)Functional unit of DNA Is____________?


A. Nucleus                             B. Genes

C. Chromosomes.                 D. Nucleolus



14)Various tissue types combine to make up__________?


A. Cells                                  B. Organs

C. Organ System                  D. Organelles



15) A group of similar cells that perform a specific function is:


A. Organ                             B. Tissues

C. Organelle                       D. Organ System


16) Which of the following is an example of “molecule”?


A. Chloroplast.                B. Nerve Cell

C. DNA.                             D. Hydrogen



17) Members of one species inhabiting the same are form__________?


A. Species .                       B. Community

C. Ecosystem                   D. Population




18)An educated guess is called:


A. Accumulated Data .      B. Observation

C. Hypothesis                       D. Conclusion




19) Malaria is associated with___________?


A. Culex Mosquito            

B. Culiesta Mosquito

C. Anopheles Mosquito

D. Culex & Anopheles Mosquito



20) The first antibiotic to be discovered was_____________?


A. Penicillin                             B. Cephalosporin

C. Amino glycosides .             D. Erythromycin



21) The average internal temperature of human body is -------------------?


A)  35c.              B)  36c

C)  37c .              D)  38c


22) The study of  fossils is called ?

A)  Micro Biology

 B)  Environmental biology 

C)  Paleontology 

D)  Socio Biology 



23) Blood is carried towards the heart by--------------?

A)  Arteries.            B)  Capillaries 

C)  Veins.                  D)  NOT


24)------------- is essential  for the formation of  hemoglobin?


A)  Calcium.              B)  Iron

C) Water .                   D)  Protein 


25) Oxygen accounts for ____ % of totals human body mass?


A. 65%                      B. 18%

C. 10%                      D. 3%




26) Which one of them is a micro-molecule?


A. Polysaccharide                B. Protein

C. Hemoglobin                     D. ATP




27)A large regional community primarily determined by climate is called ?


A. Population               B. Community

C. Biome                        D. Habitat




28) Proteins are made from amino acids by the process of ______________?


A. Hydrolysis.                        B. Pinocytosis

C. Dehydration synthesis   D. Active transport



29)  Which is an organic compound found in most cells ?


A. Water.                           B. Glucose

C. Oxygen                          D. Sodium chloride



30) Co-enzyme is often formed from ?


A. lipid                             B. protein

C. inorganic ion             D. vitamin




1)  c        

2) b

3) b

4) b

5) c

6) b

7) c

8) d

9) d

10)d

11) b

12)c

13) b

14) b

15) b

16) c

17)d

18) c

19) c

20) a

21)c

22) c

23) c

24)b

25) a

26) d

27) c

28) c

29) b

30)b 



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