Living organisms - Jamb Biology Past Questions and Answers

Question 36:

• JAMB 1980

The vacuole of a plant cell is

A. A large empty space
B. Smaller than that of animal cell
C. Filled with air
D. An ordinary vacuum
E. Surrounded by a membrane

Question 37:

• JAMB 1980

Which one of the following animals is NEVER a secondary host of tapeworms?

A. Cow
B. Fish
C. Pig
D. Man
E. Dog

Question 38:

• JAMB 1980

Some of the features of an animal are scales, teeth, nares and backbone. The animal is likely to be a

A. Toad
B. Bird
C. Lizard
D. Rat
E. Bat

Question 39:

• JAMB 1980

The organ through which food and oxygen are supplied to the human embryo and which also prevents harmful materials from reaching the embryo is the

A. Amnion
B. Uterus
C. Placenta
D. Umbilical cord
E. Fallopian tube

Question 40:

• JAMB 1980

The filament of spirogyra were put into equal volumes of sugar solutions X and Y. After 5 minutes, filaments from solution X had their cells contents rounded up while those from Y were unaffected. The experiment shows that

A. Solution X was stronger than Y
B. Solution Y was stronger than X
C. Spirogyra used up the sugar in solution X
D. Solution X is good for stimulating sexual reproduction in Spirogyra
E. Solution Y was less contaminated than X