Year :
1983
Title :
Biology
Exam :
JAMB Exam
Paper 1 | Objectives
31 - 40 of 50 Questions
| # | Question | Ans |
|---|---|---|
| 31. |
In a positive phototropic response of a coleoptile, the region of greatest curvature is brought about by the A. movement of auxins away from the region of curvature B. even distribution of auxins in all parts of the coleoptile C. inhibition of growth by auxins in the region f smaller curvature D. concentration of auxins in the region of curvature E. absence of auxins in the coleoptile |
D |
| 32. |
The tuber cassava is NOT a stem tuber because it A. Is distended with food reserve B. Has an aerial shoot portion C. Has other structure that could be called root D. Lacks axillary buds E. Has a bark over its stored food |
D |
| 33. |
The function of the ossicles (malleus, incus and stapes) in the mammalian ear is A. Transmission of vibrations B. Regulation of pressure C. Support of the inner ear D. Maintenance of balance during motion E. Secretion of oil |
A |
| 34. |
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 |
B |
| 35. |
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 |
A |
| 36. |
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 |
E |
| 37. |
In rhizopus carbohydrate is stored in the form of A. Glucose B. Paramylon C. Glycogen D. Starch E. Oil |
C |
| 38. |
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 |
C |
| 39. |
‘Jointed skeleton’ is absent in the A. Cockroach B. Spider C. Millipede D. Snail E. Dragon fly |
D |
| 40. |
Which of the following statements about the dentition of man is INCORRECT ? man has A. More molars than incisors B. No diastema C. The same number of teeth on upper and lower jaw D. A total of thirty-two teeth E. A total of six molars Detailed Solution- Diastema refers to a gap or space between the teeth. These spaces can form anywhere in the mouth, but are sometimes noticeable between the two upper front teeth. This condition affects both adults and children. In children, gaps may disappear once their permanent teeth grow in. |
| 31. |
In a positive phototropic response of a coleoptile, the region of greatest curvature is brought about by the A. movement of auxins away from the region of curvature B. even distribution of auxins in all parts of the coleoptile C. inhibition of growth by auxins in the region f smaller curvature D. concentration of auxins in the region of curvature E. absence of auxins in the coleoptile |
D |
| 32. |
The tuber cassava is NOT a stem tuber because it A. Is distended with food reserve B. Has an aerial shoot portion C. Has other structure that could be called root D. Lacks axillary buds E. Has a bark over its stored food |
D |
| 33. |
The function of the ossicles (malleus, incus and stapes) in the mammalian ear is A. Transmission of vibrations B. Regulation of pressure C. Support of the inner ear D. Maintenance of balance during motion E. Secretion of oil |
A |
| 34. |
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 |
B |
| 35. |
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 |
A |
| 36. |
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 |
E |
| 37. |
In rhizopus carbohydrate is stored in the form of A. Glucose B. Paramylon C. Glycogen D. Starch E. Oil |
C |
| 38. |
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 |
C |
| 39. |
‘Jointed skeleton’ is absent in the A. Cockroach B. Spider C. Millipede D. Snail E. Dragon fly |
D |
| 40. |
Which of the following statements about the dentition of man is INCORRECT ? man has A. More molars than incisors B. No diastema C. The same number of teeth on upper and lower jaw D. A total of thirty-two teeth E. A total of six molars Detailed Solution- Diastema refers to a gap or space between the teeth. These spaces can form anywhere in the mouth, but are sometimes noticeable between the two upper front teeth. This condition affects both adults and children. In children, gaps may disappear once their permanent teeth grow in. |