Year :
1997
Title :
Biology
Exam :
JAMB Exam
Paper 1 | Objectives
21 - 30 of 49 Questions
| # | Question | Ans |
|---|---|---|
| 21. |
The process of deamination is essential for the A. digestion of protein B. secretion of bile C. formation of urea D. formation of antibody Detailed SolutionDeamination is the removal of an amine group from a molecule of amino acid. The enzymes that are in general responsible for this reaction are called deaminases.In humans, deamination takes place primarily in the liver, however glutamate is also deaminated in the kidneys. In situations of excess protein intake, deamination is used to break down amino acids for energy. |
|
| 22. |
A band of connective tissue linking two bones in a joint is known as A. tendon B. cartillage C. synovial membrane D. ligament |
D |
| 23. |
The appendicular skeleton is composed of the pectoral girdle A. pelvic girdle, fore and hind limbs B. pelvic girdle and fore limns C. lumbar vertebrae and pelvic girdle D. lumbar vertebrae, fore and hind limbs |
A |
| 24. |
The companion cells are part of the A. pericycle B. phloem C. pith D. xylem |
B |
| 25. |
In which of the following groups of vertebrates would the largest amount of yolk be found in the egg? A. Mammals B. Fish C. Amphibians D. Reptiles |
D |
| 26. |
 The function of the part labelled V is for the passage of A. pollen tube and pollen nucleus B. air, water and pollen nucleus C. air, antipodal cells and ovum D. synergids and egg cell |
A |
| 27. |
 The female gamete is represented by A. I B. II C. III D. Iv |
C |
| 28. |
 The type of vegetative reproduction illustrated in the diagram above is A. grafting B. adventitious bud C. sucker D. aerial layering |
B |
| 29. |
 Coconut and oil palm fruits can be grouped as A. berry B. legume C. capsule D. drupe |
D |
| 30. |
The substance that is responsible for optical dominance in plants is known as A. gibberellin B. tannin C. auxin D. kinin |
C |
| 21. |
The process of deamination is essential for the A. digestion of protein B. secretion of bile C. formation of urea D. formation of antibody Detailed SolutionDeamination is the removal of an amine group from a molecule of amino acid. The enzymes that are in general responsible for this reaction are called deaminases.In humans, deamination takes place primarily in the liver, however glutamate is also deaminated in the kidneys. In situations of excess protein intake, deamination is used to break down amino acids for energy. |
|
| 22. |
A band of connective tissue linking two bones in a joint is known as A. tendon B. cartillage C. synovial membrane D. ligament |
D |
| 23. |
The appendicular skeleton is composed of the pectoral girdle A. pelvic girdle, fore and hind limbs B. pelvic girdle and fore limns C. lumbar vertebrae and pelvic girdle D. lumbar vertebrae, fore and hind limbs |
A |
| 24. |
The companion cells are part of the A. pericycle B. phloem C. pith D. xylem |
B |
| 25. |
In which of the following groups of vertebrates would the largest amount of yolk be found in the egg? A. Mammals B. Fish C. Amphibians D. Reptiles |
D |
| 26. |
The function of the part labelled V is for the passage of A. pollen tube and pollen nucleus B. air, water and pollen nucleus C. air, antipodal cells and ovum D. synergids and egg cell |
A |
| 27. |
The female gamete is represented by A. I B. II C. III D. Iv |
C |
| 28. |
The type of vegetative reproduction illustrated in the diagram above is A. grafting B. adventitious bud C. sucker D. aerial layering |
B |
| 29. |
Coconut and oil palm fruits can be grouped as A. berry B. legume C. capsule D. drupe |
D |
| 30. |
The substance that is responsible for optical dominance in plants is known as A. gibberellin B. tannin C. auxin D. kinin |
C |