Year :
2005
Title :
Biology
Exam :
NECO - BECE
Paper 1 | Objectives
1 - 10 of 44 Questions
| # | Question | Ans |
|---|---|---|
| 1. |
The following can increase crop production EXCEPT A. erosion control B. fertilizer application C. mechanization D. monocropping E. pest control |
D |
| 2. |
Which of the following enzymes requires acidic medium to function? A. Amylase B. Erepsin C. Maltose D. Pepsin E. Ptyalin |
D |
| 3. |
Which of the following is NOT a type of exoskeleton? A. Cartilage B. Chitin C. Hoot D. Nail E. Shell |
A |
| 4. |
The number of chromosomes in a gamete is represented by A. n B. 2n C. 4n D. 23n E. 46n |
A |
| 5. |
An example of a carnivorous plant is A. cassytha B. lichen C. mucor D. mushroom E. sundew |
E |
| 6. |
Autotrophs include all the following EXCEPT A. chemosynthetic bacteria B. diatoms C. green plants D. phytoplankton E. zooplankton |
E |
| 7. |
Which of these statements best defines pyramid of energy? A. energy flow from one tropic level to another B. energy flow from one habitat to another C. the amount of energy in a given area D. the loss of energy from one organism to another E. the rate of energy flow in an area |
A |
| 8. |
Dry, horny scales in reptiles help them to A. carryout gaseous exchange B. escape from predator C. facilitate movement D. look for mating partners E. prevent water loss. |
E |
| 9. |
The process which reduces the nitrogen content of the soil is A. ammonification B. denitrification C. nitrogen fixation D. nitrification E. putrefaction |
B |
| 10. |
Birds excrete nitrogenous wastes in form of A. ammonia B. sweat C. urea D. uric acid E. urine Detailed SolutionNitrogenous wastes in the body tend to form toxic ammonia, which must be excreted. Mammals such as humans excrete urea, while birds, reptiles, and some terrestrial invertebrates produce uric acid as waste. |
| 1. |
The following can increase crop production EXCEPT A. erosion control B. fertilizer application C. mechanization D. monocropping E. pest control |
D |
| 2. |
Which of the following enzymes requires acidic medium to function? A. Amylase B. Erepsin C. Maltose D. Pepsin E. Ptyalin |
D |
| 3. |
Which of the following is NOT a type of exoskeleton? A. Cartilage B. Chitin C. Hoot D. Nail E. Shell |
A |
| 4. |
The number of chromosomes in a gamete is represented by A. n B. 2n C. 4n D. 23n E. 46n |
A |
| 5. |
An example of a carnivorous plant is A. cassytha B. lichen C. mucor D. mushroom E. sundew |
E |
| 6. |
Autotrophs include all the following EXCEPT A. chemosynthetic bacteria B. diatoms C. green plants D. phytoplankton E. zooplankton |
E |
| 7. |
Which of these statements best defines pyramid of energy? A. energy flow from one tropic level to another B. energy flow from one habitat to another C. the amount of energy in a given area D. the loss of energy from one organism to another E. the rate of energy flow in an area |
A |
| 8. |
Dry, horny scales in reptiles help them to A. carryout gaseous exchange B. escape from predator C. facilitate movement D. look for mating partners E. prevent water loss. |
E |
| 9. |
The process which reduces the nitrogen content of the soil is A. ammonification B. denitrification C. nitrogen fixation D. nitrification E. putrefaction |
B |
| 10. |
Birds excrete nitrogenous wastes in form of A. ammonia B. sweat C. urea D. uric acid E. urine Detailed SolutionNitrogenous wastes in the body tend to form toxic ammonia, which must be excreted. Mammals such as humans excrete urea, while birds, reptiles, and some terrestrial invertebrates produce uric acid as waste. |