Living organisms - Jamb Biology Past Questions and Answers

Question 31:

• JAMB 1979

One of the following statement is not true of viruses

A. They are micro-organisms
B. They are smaller than bacteria
C. They can be seen with an ordinary light microscope
D. They cause tobacco disease
E. They cause polio and smallpox

Question 32:

• JAMB 1979

Insect show consideration powers of water conservation. This is due to the fact that

A. The chitinous cuticle is impregnated with tanned protein
B. Nitrogenous waste is eliminated as urea
C. Chitin is impermeable to water
D. The malpighian tubules are impermeable to water
E. The curticle is covered with wax

Question 33:

• JAMB 1980

In Mucor or Rhizopus carbohydrate is absorb in the form of

A. Starch
B. Sucrose
C. Glucose
D. Glycogen
E. Arabinose

Question 34:

• JAMB 1980

One of the following statement is NOT true of spirogyra

A. It is a simple multicellular plant
B. During conjugation, its gametes, which are structurally and physiologically similar, fuses to form a zygote
C. It possesses spiral chloroplast which enables the plant to photosynthesize
D. Its cells are protected externally by layer of mucilage
E. There are pyrenoids along the chloroplast

Question 35:

• JAMB 1980

Which of the following spreads malaria in Nigeria?

A. Anopheles mosquito
B. Culex mosquito
C. Aedes mosquito
D. Tsetse fly
E. House fly