Question 551:

• JAMB 1988

Parasitic form are NOT found among

A. Platyhelminthes
B. Nematodes
C. Mollusces
D. Annelids

Question 552:

• JAMB 1988

Which of the following sets of organisms represents the correct trends from simple to complex structural organization? 1. Mollusca 2. Platyhelminthes 3. Nematoda 4. Protozoa

A. 4 → 1 → 2 → 3
B. 4 → 3 → 2 → 1
C. 4 → 2 → 1 → 3
D. 4 → 2 → 3 → 1

Question 553:

• JAMB 1988

Spirogyra, Euglena and Chlamydomonas share many characteristics EXCEPT

A. Nutrition
B. Reproduction
C. Mobility
D. Irritability

Question 554:

• JAMB 1988

The prothallus of fern is equivalent to the gametophyte generation of moss because it

A. Is inconspicuous
B. Has rhizoids
C. Bears sexual organ
D. Is multicellular

Question 555:

• JAMB 1988

What is the function of Trichocyst in paramecium?

A. Movement
B. Defence
C. Excretion
D. Reproduction