2012 - JAMB Biology Past Questions and Answers - page 3
21
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
correct option: b
Users' Answers & Comments22
The use and disuse of body parts and the inheritance of acquired traits were used to explain
A
Darwin's theory
B
Lamarek's theory
C
genetic drift
D
gene flow
correct option: b
Users' Answers & Comments23
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
correct option: b
Users' Answers & Comments24
![](https://publicappmediaqa.s3.eu-central-1.amazonaws.com/1640_1.jpg)
The organelle responsible for heredity is labelled
A
l
B
ll
C
lll
D
IV
correct option: b
Users' Answers & Comments25
![](https://publicappmediaqa.s3.eu-central-1.amazonaws.com/1641_1.jpg)
The part labelled IV is the
A
mitochondrion
B
cell wall
C
endoplasmic reticulum
D
nucleus
correct option: c
Users' Answers & Comments26
![](https://publicappmediaqa.s3.eu-central-1.amazonaws.com/1642_1.jpg)
Transportation in the xylem is represented by
A
I
B
II
C
III
D
IV
correct option: d
Users' Answers & Comments27
![](https://publicappmediaqa.s3.eu-central-1.amazonaws.com/1643_1.jpg)
The arrow labelled ll represents the
A
release of oxygen
B
intake of carbon (IV) oxide
C
movement of photosynthates
D
movement of nutrients
correct option: a
Users' Answers & Comments28
![](https://publicappmediaqa.s3.eu-central-1.amazonaws.com/1644_1.jpg)
The developing embryo is usually contained in the part labelled
A
IV
B
III
C
II
D
I
correct option: c
Users' Answers & Comments29
![](https://publicappmediaqa.s3.eu-central-1.amazonaws.com/1645_1.jpg)
The function of the part labelled lll is to
A
produce egg cells
B
protect sperms during fertilization
C
secrete hormones during coitus
D
protect the developing embryo
correct option: a
Users' Answers & Comments30
![](https://publicappmediaqa.s3.eu-central-1.amazonaws.com/1646_1.jpg)
The graph illustrates
A
the highest frequency for height of 2 metres
B
a discontinuously varying character
C
a continuously varying character
D
total yield in a cassava farm
correct option: b
Users' Answers & Comments