Search SchoolNGR

Biology Past Questions and Answers

Jamb Biology Questions

Question 26:

In H, the cotyledons are carried above the soil because

SchoolNGR Classroom

A The epicotyl grows faster than the hypocotyl
B The hypocotyl grows faster than the epicotyl
C Both grow at the same rate
D The epicotyl outgrow the radicle

View Answer & Explanation

Question 27:

The function of the structure labelled G is to

SchoolNGR Classroom

A Carry out initial photosynthesis for the seedlings
B Protect the young leaves from mechanical damage
C Protect the young leaves from sun light
D Protect the young leaves from insects pest

View Answer & Explanation

Question 28:

When it is cold, the blood vessels of the skin

SchoolNGR Classroom

A Dilates to increase the amount of blood flowing
B Constrict to reduced the amount of blood flowing to the skin
C Dilate to reduce the amount of blood flowing to the skin
D Constrict to increase the amount of blood flowing to the skin

View Answer & Explanation

Question 29:

Which path does sound entering the human ear follow?

SchoolNGR Classroom

A Oval window â†’ ossicles â†’ ear drum
B Ear drum → oval window → ossicles
C Ear drum â†’ ossicles â†’ oval window
D Ossicles â†’ ear drum â†’ oval window

View Answer & Explanation

Question 30:

What would happen to a man whose pancreas has been surgically removed?

SchoolNGR Classroom

A The level of blood sugar would increase
B The glycogen content of the liver would increase
C His blood pressure would decrease
D His weight would increase appreciably

View Answer & Explanation

Stay Updated

Follow us on:

Subjects