Question 331:

• JAMB 1983

Which of the following instruments is used for determining turbidity of water?

A. Thermometer
B. Secchi disc
C. Rain guage
D. Hydrometer
E. Wind vane

Question 332:

• JAMB 1983

Which of the following is NOT a characteristic of monocot plants?

A. Occurrence of secondary thickening
B. Parallel venation
C. Scattered vascular bundles
D. Floral parts arranged in threes
E. Perianth is usually insignificant

Question 333:

• JAMB 1983

Which sequence represents the correct order of organisms un a food chain? 1. Toad 2. Mucuna 3. Grasshopper 4. Snake 5. Hawk

A. 5 → 4 → 1 → 3 → 2
B. 1 → 2 → 3 → 4 → 5
C. 2 → 1 → 3 → 4 → 5
D. 2 → 3 →1 → 5 →4
E. 2 → 3 → 1 → 4 → 5

Question 334:

• JAMB 1983

In rhizopus carbohydrate is stored in the form of

A. Glucose
B. Paramylon
C. Glycogen
D. Starch
E. Oil

Question 335:

• JAMB 1983

Which of the following statements about the rate of transpiration is INCORRECT? It is

A. Dependent on temperature
B. Affected by changes in light intensity
C. Unaffected by humidity
D. Dependent on air movement
E. Affected by availability of water