2021 JAMB Biology Past Questions

Travelogue is a work of art written

1. A.by a famous playwright
2. B.before the death of the author
3. C.by an unpopular novelist
4. D.on a journey✓ Correct

The oxygen transported to all parts of the body during blood circulation is used for the

1. A.growth and development of cells
2. B.removal of waste products
3. C.release of energy from food✓ Correct
4. D.formation of carboxyl haemoglobin

What name is scorpion called in Igbo?

1. A.A. Awo✓ Correct
2. B.B. Agwọ
3. C.C. Ahụhụ
4. D.D. Akpị

Which inequality describes the graph above?

1. A.$4y + 5x ≥ 20$
2. B.$5y + 4x ≤ 20$✓ Correct
3. C.$4y + 5x ≤ 20$
4. D.$5y + 4x ≥ 20$

I. Adoption of appropriate nocturnal habits ll. Burrowing lll. Adjusting their internal body temperature. IV Possession of many sweat pores. Which of the above are ways in which desert animals adapt to extreme heat of the environment?

1. A.I and IV only✓ Correct
2. B.ll and lll only
3. C.l and ll only
4. D.l, ll and lll only

The gas that is commonly used to demonstrate the fountain experiment is

1. A.hydrogen chloride
2. B.hydrogen sulphide
3. C.dinitrogen(I) oxide
4. D.nitrogen(II) oxide✓ Correct

On the basis of the electrochemical series, which of these ions will show the greater tendency to be discharged at the cathode in an electrolytic cell

1. A.cu$^{2+}$
2. B.sn$^{2+}$
3. C.fe$^{2+}$✓ Correct
4. D.zn$^{2+}$

Ugochi na Eze. The underlined word is

1. A.A. adjective
2. B.B. noun✓ Correct
3. C.C. pronoun
4. D.D. conjunction

This question is based on "The Life Changer" novel. Salma was looking more stunning on the last day of her exams because_______

1. A.her classmates had planned to go to the beach after the exam
2. B.her classmates had organized a mini picnic to wrap up the good work
3. C.All of the above✓ Correct
4. D.her classmates had planned a photo shoot with some lecturers

Which of the following is an example of a behavioral adaptation for survival in animals?

1. A.Sharp teeth
2. B.Migration✓ Correct
3. C.Wings
4. D.Camouflage