FORM AND FUNCTIONS - Jamb Biology Past Questions and Answers

Question 721:

• JAMB 2003

Hermophroditic reproduction can be found among the

A. Arthropods and nematodes
B. Pisces and amphibians
C. Annelids and molluscs
D. Coelenterates and platyhelminthes

Question 722:

• JAMB 2003

An insect whose economic importance is both harmful and beneficial is the

A. Tsetsefly
B. Blackfly
C. Mosquito
D. Butterfly

Question 723:

• JAMB 2003

If water that has been coloured red is poured at the base of a wilting plant, it will appear as a red stain in the cells of the

A. Xylem
B. Epidermis
C. Phloem
D. Parenchyma

Question 724:

• JAMB 2003

The aim of the experiment is to demonstrate

A. That in mammal gaseous exchange takes place in the lungs
B. The part played by the pleural cavity and diaphragm in respiration
C. That a large amount of oxygen is absorbed by the lungs
D. The presence of carbon (IV) oxide in the exhaled air

Question 725:

• JAMB 2003

In the experimental set-up, the rubber sheet represents the organ called

A. Pleural cavity
B. Lungs
C. Diaphragm
D. Intercostal muscles