Biology Questions and Answers

“Bio” means life, and “Logos” mean study. So we can define biology as ” The study of life is called biology.”

Are you a medical student? Or are you preparing to appear in an entry test to any medical field? Being a medical student, you must have full knowledge of biology because almost all the medical exams are based on biology questions.

In this article, we have picked up some important biology questions for you.

Biology Questions

This article contains mixed questions. But you can also choose chapter wise questions. Before answering the questions, you must study the chapters thoroughly.

Chapter Wise Questions

We have divided biology questions into the following categories.

HomeostasisReproduction
Cell CycleBiotechnology
EvolutionEcosystem
Support & MovementCoordination & Control
Growth & DevelopmentChromosomes & DNA
Variations & GeneticsMan & Environment

Q1. Animals excreting ammonia are called?

(a) ammonotelic

(b) Ureotelic

(c) Uricotelic

(d) Excretotelic


Q2. Animals which on exposure to changing air or water temperature, maintain their body temperature are?

(a) Pikiolotherms

(b) Homeotherms

(c) Ectotherms

(d) Both a & c


Q3. Non-surgical removal of kidney stone is called:

(a) Lithotrophy

(b) Lithography

(c) Lithotripsy

(d) Lithogipsy


Q4. Excess nitrogen is excreted by animals as:

(a) Ammonia

(b) Urea

(c) Uric acid

(d) All


Q5. Plant cells have large vacaules, these can be used for:

(a) Storage of useful compounds

(b) Storage of waste substances

(c) Both a & c

(d) Removal of wastes


Q6. Pyrogens displace the set point of hypothalamus above the normal point of:

(a) 32°C

(b) 33°C

(c) 35°C

(d) 37°C


Q7. An increase in plant girth due to the activity of vascular cambium is called:

(a) Primary growth

(b) Secondary growth

(c) Tertiary growth

(d) Quaternary growth


Q8. At distal end humerus forms hinge joint with:

(a) Radius

(b) Ulna

(c) Tibia

(d) Both a & c


Q9. A condition in which palatine process of maxilla and palatine fail to fues is:

(a) Cleft palate

(b) Micro cephally

(c) Cretinism

(d) Cleft Lips


Q10. Disc slip is treated with:

(a) Bed rest

(b) Traction

(c) Pain killer

(d) All


Q11. In structure of muscle, each A-band has a lighter stripe in its mid section called:

(a) A-zone

(b) M-line

(c) H-zone

(d) Z-line


Q12. Haptonastic movement occurs in response to:

(a) Water

(b) Light

(c) Pressure

(d) Contact


Q13. In amoeba, movement takes place by means of:

(a) Cilium

(b) Flagellum

(c) Pseudopodium

(d) Myonemes


Q14. Bone to Bone attachment is by:

(a) Tendon

(b) Nerve

(c) Ligament

(d) Sinew


Q15. Smooth muscles are long and spindle shaped with each containing:

(a) Single nucleus

(b) Two nuclei

(c) Three nuclei

(d) Poly nuclei


Q16. Spondylosis is the disease, which cause immobility and fusion of:

(a) Vertebral joint

(b) Shoulder joint

(c) Hip joint

(d) Elbow Joint


Q17. The disease caused by low calcium in the blood:

(a) Cramp

(b) Tetany

(c) Muscle fatigue

(d) Titanic


Q18. The axial skeleton include:

(a) Skull

(b) Vertebrae

(c) Ribs and sternum

(d) All


Q19. Cardiac muscles are:

(a) Striated & Voluntary

(b) Unstriated & Voluntary

(c) Striated & Involuntary

(d) Unstriated & Involuntary


Q20. The first two cervical vertebrae are:

(a) Atlas & Sacrum

(b) Lumber & Sacrum

(c) Atlas & Axis

(d) Lumbar & Coccyx


Q21. The membrane that bounds vacuole, is called:

(a) Protoplast

(b) Vacoplast

(c) Memoplast

(d) Tonoplast


Q22. The movement of plant parts in response to stimulus of water is called:

(a) Hydrotropism

(b) Phototropism

(c) Chemotropism

(d) Thigmotropism


Q23. The “Myofibrils” of muscle cell consist of smaller contractile units called:

(a) Myomere

(b) Sarcomere

(c) Blastomere

(d) Gastromere


Q24. In man the number of facial bone is:

(a) 10

(b) 14

(c) 16

(d) 20


Q25. There are five vertebrae in:

(a) Cervical region

(b) Trunk

(c) Lumbar region

(d) Coccyx


Q26. Thigmotropism is the movement in response to stimulus of:

(a) Light

(b) Touch

(c) Water

(d) Chemicals


Q27. Muscle fatigue is caused by the accumulation of:

(a) CO2

(b) Lactic acid

(c) Fumaric Acid

(d) Ethyl alcohol


Q28. Anti diuretic hormone is also called:

(a) Oxytocin

(b) ACTH

(c) Vasopressin

(d) Prolactin


Q29. The largest part of the brain is:

(a) Cerebellum

(b) Medulla

(c) Thalamus

(d) Cerebrum


Q30. How many pairs of spinal nerves arise from or lead to spinal cord:

(a) 31

(b) 13

(c) 12

(d) 25


Did you like these biology questions? Want to give us any suggestion? Please tell us in the comment section below. We are adding more questions on daily bases.

How many did you answer correctly? Let’s know in the comment below.

About DR MS

Hello everyone! This is Dr.Muhammad Shafiq, I started this blog in 2019 to provide an online general knowledge platform for students from all over the world. Our primary goal is to make it easy for students to improve their general knowledge. We take online general knowledge tests, which is the best way to gain experience.

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