Jamb 2012 Biology Past Questions And Answers
1
An indigenous method of renewing and maintaining soil fertility is by
- A. clearing farms by burning
- B. planting one crop type
- C. adding inorganic fertilizers yearly
- D. crop rotation and shifting cultivation
2
The use and disuse of body parts and the inheritance of acquired traits were used to explain
- A. Darwin's theory
- B. Lamarck's theory
- C. genetic drift
- D. gene flow
3
The diseases caused by water-borne pathogens include
- A. gonorrhoea and poliomyelitis
- B. typhoid and syphilis
- C. tuberculosis and cholera
- D. typhoid and cholera
4
The short thick beak in birds is an adaptation for
- A. crushing seeds
- B. sucking nectar
- C. tearing flash
- D. straining mud
5
An animal body that can be cut along its axis in any plane to give two identical parts is said to be
- A. radially symmetrical
- B. bilaterally symmetrical
- C. asymmetrical
- D. symmetrical
6
Which of the following is true in blood transfusion?
- A. person of blood group AB can donate blood only to another person of blood group AB
- B. persons of blood groups A and B can donate or receive blood from each other
- C. A person of blood group AB acn receive blood only from persons of blood group A or B
- D. A person of blood group O can donate only to a person of blood group O
7
Which of the following is the lowest category of classification?
- A. class
- B. species
- C. family
- D. genus
8
When a colour-blind man marries a carrier woman. What is the probability of their offspring being colour blind?
- A. 25%
- B. 50%
- C. 75%
- D. 100%
9
Countershading is an adaptive feature that enables animals to
- A. fight enemies
- B. remain undetected
- C. warn enemies
- D. attract mates
10
From his study of Galapagos finches, Darwin derived his theory of evolution from
- A. comparative anatomy
- B. comparative physiology
- C. fossil remains
- D. comparative embryology