Jamb Biology Past Questions and Answers

Question 406:

• JAMB 1985

In lower plants like mosses, the structure which performs the functions of roots of higher plants is called

A. Root hairs
B. Rootlets
C. Hypae
D. Rhizoids
E. Thalli

Question 407:

• JAMB 1985

In an angiosperm leaf, the xylem is

A. Beside the phloem
B. Surrounded by trhe phloem
C. Above the phloem
D. Around the phloem
E. In separate bundles from the phloem

Question 408:

• JAMB 1985

A group of similar cells performing the same function is

A. An organ
B. A system
C. A tissue
D. An organelle
E. An enzymes

Question 409:

• JAMB 1985

Which of the following is common to a dicotyledonous stem and monocotyledonous root?

A. Medullary rays
B. Central pith
C. Wide cortex
D. Narrow cortex
E. Pericycle fibres

Question 410:

• JAMB 1985

Which of the following represents the sequence of protein hydrolysis? 1. polypeptides 2. Amino acides 3. Proteins 4. Peptones

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