Jamb Biology 2018 Past Questions and Answers

Question 46:

• JAMB 2018

An organism which exhibit extracellular digestion is

A. Spirogyra
B. Paramecium
C. Amoeba
D. Rhizopus

Question 47:

• JAMB 2018

How many days does is used for incubation of an egg to release chick

A. 21
B. 22
C. 20
D. 23

Question 48:

• JAMB 2018

The four classes of cnidarian include the following except

A. Turbellaria
B. Anthozoa
C. Scyphozoa
D. Cubozoa

Question 49:

• JAMB 2018

What would happen if solution Y is more concentrated than solution X in fig 2

A. The level of X would rise, Y would falls
B. The level of X would rise, Y would rise
C. The level of X and Y stands the same
D. The level of Y would rise, X would fall.

Question 50:

• JAMB 2018

Physiological adaptation to very dry conditions in animal demonstrates

A. Xeromorphism
B. Hibernation
C. Aestivation
D. Rejuvenation