Question 351:

• JAMB 1984

Which of the following invertebrates does NOT possess antennae?

A. Centipede
B. Crustacean
C. Millipede
D. Insect
E. Spider

Question 352:

• JAMB 1984

Which of the following is INCORRECT? The prothallus of a fern

A. Is flattened heart-shaped structure
B. Is green because its cells contain chloroplasts
C. Is the dominant plant
D. Bears the sexual organ
E. Is attached to the ground by numerous rizoids

Question 353:

• JAMB 1984

Which of the following cell constituents is NOT common in both plants and animals?

A. Mitochondria
B. Chloroplast
C. Ribosomes
D. Golgi apparatus
E. Vacuoles

Question 354:

• JAMB 1984

The character-producing factors in living organisms are

A. Chromomeres
B. Alleles
C. Chromatids
D. Chromosomes
E. Genes

Question 355:

• JAMB 1984

A mixture of mercurous and mercuric nitrates is added to a food substance. A white precipitates is formed which on gentle heating turns red. The food substance is

A. Protein
B. Oil
C. Carbohydrates
D. Fat
E. Fatty acid