Year :
2012
Title :
Biology
Exam :
JAMB Exam
Paper 1 | Objectives
31 - 40 of 49 Questions
| # | Question | Ans |
|---|---|---|
| 31. |
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 |
|
| 32. |
A yellow maize is planted and all the fruits obtained are of yellow seeds. When they are croos-bred, yellow seeds and white seeds are obtained in a ratio 3:1 . The yellow seed is said to be A. non-heritable B. sex-linked C. a recessive trait D. a dominant trait |
|
| 33. |
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% |
|
| 34. |
The correct base pairing for DNA is A. adenine → thymine and guanine → cytosine B. adenine → guanine and thymine → cytosine C. adenine → cytosine and guanine → thymine D. adenine → adenine and cytosine → cytosine |
|
| 35. |
The short thick beak in birds is an adaptation for A. crushing seeds B. sucking nectar C. tearing flash D. straining mud |
|
| 36. |
The basking of Agama lizards in the sun is to A. change the colour of their body B. raise their body temperature to become active C. fight to defend their territories D. attract the female for courtship |
|
| 37. |
The significance of a very large number of termites involved in nuptial swarming is to A. provide birds with plenty of food B. ensure their perpetuation despite predatory pressure C. search for a favourable place to breed D. ensure that every individual gets a mate |
|
| 38. |
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 |
|
| 39. |
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 |
|
| 40. |
 Use the diagram above to answer this question. A. l B. ll C. lll D. IV |
| 31. |
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 |
|
| 32. |
A yellow maize is planted and all the fruits obtained are of yellow seeds. When they are croos-bred, yellow seeds and white seeds are obtained in a ratio 3:1 . The yellow seed is said to be A. non-heritable B. sex-linked C. a recessive trait D. a dominant trait |
|
| 33. |
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% |
|
| 34. |
The correct base pairing for DNA is A. adenine → thymine and guanine → cytosine B. adenine → guanine and thymine → cytosine C. adenine → cytosine and guanine → thymine D. adenine → adenine and cytosine → cytosine |
|
| 35. |
The short thick beak in birds is an adaptation for A. crushing seeds B. sucking nectar C. tearing flash D. straining mud |
| 36. |
The basking of Agama lizards in the sun is to A. change the colour of their body B. raise their body temperature to become active C. fight to defend their territories D. attract the female for courtship |
|
| 37. |
The significance of a very large number of termites involved in nuptial swarming is to A. provide birds with plenty of food B. ensure their perpetuation despite predatory pressure C. search for a favourable place to breed D. ensure that every individual gets a mate |
|
| 38. |
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 |
|
| 39. |
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 |
|
| 40. |
Use the diagram above to answer this question. A. l B. ll C. lll D. IV |