Biology Jamb Question and Answer (Free PDF Download)
Practice Biology Jamb Question and Answer to prepare for the 2025 Biology JAMB exams ahead. The download is free and in PDF format.
Working through these past questions and answers is a great way to boost your confidence and increase your chances of success.
The Joint Admissions and Matriculation Board (JAMB) exam consists of 180 questions, with 40 questions dedicated to the Biology. It’s important to study past questions for guidance to pass the exam.
Biology JAMB Past Question
We have created 30 questions for you to practice. These questions have been selected from previous use of government jamb questions from year 1983 – 2018.
You can proceed directly to download the JAMB past questions and answers below for free.ns and answers below for free.
1) Which of the following is the basic unit of life?
A. Cell
B. Tissue
C. Organ
D. Organism
ANS: A
2) Which organ is responsible for pumping blood in mammals?
A. Liver
B. Heart
C. Kidney
D. Lungs
ANS: B
3) The process by which green plants manufacture their food is called?
A. Respiration
B. Photosynthesis
C. Transpiration
D. Digestion
ANS: B
4) Which of the following is a waste product of photosynthesis?
A. Oxygen
B. Carbon dioxide
C. Glucose
D. Water
ANS: A
5) The part of the cell that controls its activities is the?
A. Nucleus
B. Cytoplasm
C. Mitochondrion
D. Ribosome
ANS: A
6) Which of the following is NOT a function of the mammalian skin?
A. Excretion
B. Respiration
C. Reproduction
D. Protection
ANS: C
7) The process by which water moves from a region of high concentration to a region of low concentration through a semi-permeable membrane is called?
A. Diffusion
B. Osmosis
C. Active transport
D. Plasmolysis
ANS: B
8) Which of the following is a primary consumer in a food chain?
A. Grass
B. Goat
C. Lion
D. Fungus
ANS: B
9) The structural and functional unit of the kidney is the?
A. Nephron
B. Neuron
C. Alveolus
D. Villus
ANS: A
10) The movement of molecules from a region of higher concentration to a region of lower concentration is called?
A. Active transport
B. Osmosis
C. Diffusion
D. Transpiration
ANS: C
11) Which of the following is a characteristic of living things?
A. Reproduction
B. Photosynthesis
C. Excretion
D. All of the above
ANS: D
12) The part of the eye responsible for light refraction is the?
A. Retina
B. Lens
C. Cornea
D. Iris
ANS: B
13) Which of the following is a sex-linked trait in humans?
A. Baldness
B. Hemophilia
C. Albinism
D. Sickle cell anemia
ANS: B
14) The process by which plants lose water vapor to the atmosphere is called?
A. Transpiration
B. Respiration
C. Guttation
D. Evaporation
ANS: A
15) Which of the following is a product of anaerobic respiration in animals?
A. Ethanol
B. Lactic acid
C. Carbon dioxide
D. Oxygen
ANS: B
16) The hormone responsible for the fight-or-flight response is?
A. Insulin
B. Adrenaline
C. Thyroxine
D. Estrogen
ANS: B
17) Which of the following is a function of the liver?
A. Storage of glycogen
B. Production of bile
C. Detoxification
D. All of the above
ANS: D
18) The part of the brain responsible for balance and coordination is the?
A. Cerebrum
B. Cerebellum
C. Medulla oblongata
D. Hypothalamus
ANS: B
19) Which of the following is an example of a unicellular organism?
A. Amoeba
B. Hydra
C. Earthworm
D. Mushroom
ANS: A
20) The process by which organisms develop specialized features to survive in their environment is called?
A. Evolution
B. Adaptation
C. Mutation
D. Variation
ANS: B
21) Which of the following is NOT a component of the blood?
A. Plasma
B. Platelets
C. Neurons
D. White blood cells
ANS: C
22) The part of the flower that produces pollen is the?
A. Stigma
B. Anther
C. Ovary
D. Style
ANS: B
23) The study of insects is called?
A. Ornithology
B. Entomology
C. Ichthyology
D. Herpetology
ANS: B
24) Which of the following is a function of the skeletal system?
A. Support
B. Protection
C. Movement
D. All of the above
ANS: D
25) The process by which plants respond to light is called?
A. Geotropism
B. Phototropism
C. Hydrotropism
D. Thigmotropism
ANS: B
26) Which of the following is a biotic component of an ecosystem?
A. Water
B. Air
C. Grass
D. Temperature
ANS: C
27) The process by which a tadpole develops into an adult frog is called?
A. Metamorphosis
B. Fertilization
C. Pollination
D. Germination
ANS: A
28) Which of the following is a function of the root in plants?
A. Absorption of water
B. Photosynthesis
C. Reproduction
D. Transpiration
ANS: A
29) The genetic material found in the nucleus of a cell is called?
A. RNA
B. DNA
C. ATP
D. ADP
ANS: B
30) Which of the following is a viral disease?
A. Tuberculosis
B. Malaria
C. HIV/AIDS
D. Cholera
ANS: C
Biology Past Questions and Answers PDF Download
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