Year :
1980
Title :
Biology
Exam :
JAMB Exam
Paper 1 | Objectives
11 - 20 of 50 Questions
| # | Question | Ans |
|---|---|---|
| 11. |
A true fruit is formed from A. a fertilized ovary and other floral parts B. a fertilized ovary C. a fertilized ovary and calyx D. a fertilized ovary and fleshy receptacle E. an unfertilized ovary and other floral part |
B |
| 12. |
Water is required for seed germination to take place because it A. activates the enzymes B. softens the testa C. liberates energy for growth D. permits radicle growth E. allow oxygen to diffuse into the seed |
A |
| 13. |
A fresh Kolanut weighing 1g was put into salt solution. After 3 hour, the kolanut weighed 1.2g. This simple experiment demonstration that A. the salt solution is more concentrated that the cell sap of the kolanut B. the cell sap of the kolanut is more concentrated than the salt solution C. the salt solution has the same concentration as the cell sap of the kolanut D. kolanut cell can multiply in water E. the kolanut lost some water molecules to the salt solution |
B |
| 14. |
The joint between the atlas and axis vertebrae allows for A. rotatory movement only B. up and down or nodding movements only C. rotatory and nodding movements D. no movement at all E. slight movement Detailed Solution-The joint between the atlas and axis vertebrae is a PIVOT JOINT.-The Odontoid Process of the axis acts as a pivot which allow the rotation of the head on the vertebral column. -Hence; the atlas and the skull together ROTATE about the Odontoid Process. |
|
| 15. |
Which of the following food substances is digested in the stomach? A. Carbohydrate B. Fats and oil C. Fats and proteins D. Proteins E. Carbohydrates and fats |
D |
| 16. |
The conversion of excess amino acids into urea occurs in the A. Kidney B. pancreas C. villi D. liver E. spleen |
D |
| 17. |
For pollination and fruit formation, the essential part(s) of the flower should be the A. corolla B. ovary C. pistil (gynoecium) D. ovules E. receptacle |
C |
| 18. |
Which one of the following parts of the mammalian body is most closely associated with the production of urine? A. Malpighian capsule B. Urinary bladder C. Ureter D. Vas deferens E. Urethra |
A |
| 19. |
A potometer is used to determine the rate at which a shoot A. respires B. sucks air bubbles C. loses weight D. absorbs water E. transpires |
E |
| 20. |
A green plant growing in a compost pit is feeding A. holozoically B. parasitically C. saprophytically D. holophytically E. in none of the above ways |
D |
| 11. |
A true fruit is formed from A. a fertilized ovary and other floral parts B. a fertilized ovary C. a fertilized ovary and calyx D. a fertilized ovary and fleshy receptacle E. an unfertilized ovary and other floral part |
B |
| 12. |
Water is required for seed germination to take place because it A. activates the enzymes B. softens the testa C. liberates energy for growth D. permits radicle growth E. allow oxygen to diffuse into the seed |
A |
| 13. |
A fresh Kolanut weighing 1g was put into salt solution. After 3 hour, the kolanut weighed 1.2g. This simple experiment demonstration that A. the salt solution is more concentrated that the cell sap of the kolanut B. the cell sap of the kolanut is more concentrated than the salt solution C. the salt solution has the same concentration as the cell sap of the kolanut D. kolanut cell can multiply in water E. the kolanut lost some water molecules to the salt solution |
B |
| 14. |
The joint between the atlas and axis vertebrae allows for A. rotatory movement only B. up and down or nodding movements only C. rotatory and nodding movements D. no movement at all E. slight movement Detailed Solution-The joint between the atlas and axis vertebrae is a PIVOT JOINT.-The Odontoid Process of the axis acts as a pivot which allow the rotation of the head on the vertebral column. -Hence; the atlas and the skull together ROTATE about the Odontoid Process. |
|
| 15. |
Which of the following food substances is digested in the stomach? A. Carbohydrate B. Fats and oil C. Fats and proteins D. Proteins E. Carbohydrates and fats |
D |
| 16. |
The conversion of excess amino acids into urea occurs in the A. Kidney B. pancreas C. villi D. liver E. spleen |
D |
| 17. |
For pollination and fruit formation, the essential part(s) of the flower should be the A. corolla B. ovary C. pistil (gynoecium) D. ovules E. receptacle |
C |
| 18. |
Which one of the following parts of the mammalian body is most closely associated with the production of urine? A. Malpighian capsule B. Urinary bladder C. Ureter D. Vas deferens E. Urethra |
A |
| 19. |
A potometer is used to determine the rate at which a shoot A. respires B. sucks air bubbles C. loses weight D. absorbs water E. transpires |
E |
| 20. |
A green plant growing in a compost pit is feeding A. holozoically B. parasitically C. saprophytically D. holophytically E. in none of the above ways |
D |