Waec 1996 Biology Past Questions And Answers
The Tulgren’s funnel is used to
- A. extract minute soil organisms
- B. measure the amount of rainfall
- C. collect water from habitats
- D. pour liquid into containers with narrow mouth
Which of the following is not an aquatic habitat?
- A. Estuaries
- B. Ponds
- C. Rainforest
- D. Swamp
ln which of the following structures will cells undergoing meiosis be seen?
- A. At the apices of stem and root
- B. In the cortex of the stem
- C. In the pallisade mesophyll of the leaf
- D. ln the ovary of a flower
Which of these materials is not required for insect collection in an ecological field-trip?
- A. Pooter
- B. Secchi disc
- C. Spreading board
- D. Jar containing alcohol
Which of the following levels of organisation in living things is in the correct sequence, starting from the most complex to me simplest?
- A. tissue ? cell ? organ ? system
- B. System ? organ ? tissue ? cell
- C. Cell ? tissue ? system ? organ
- D. Cell ? tissue ? organ ? system
Which of the following is an abiotic factor which affects a population?
- A. Predator
- B. Parasite
- C. Consumer
- D. Temperature
The frequency of andropogon in a grass lawn is 90 100. Throws were made with 1 meter square quadrat. What is the density of andropogon in the field?
- A. 0.09 per m2
- B. 090 per m2
- C. 9.0 per m2
- D. 90 per m2
The maintenance of a constant internal environment of an organism is known as
- A. homeostasis
- B. homeorhesis
- C. turgidity
- D. homoiothermy
The factors which determine the type of vegetation a particular habitat will support are related to the following except
- A. nature of the soil particles
- B. amount of rainfall
- C. mineral content of the soil
- D. depth of the water-table
Which of the following is responsible for the conversion of nitrites to nitrates in the nitrogen cycle?
- A. Denitrifying bacteria
- B. Nitrifying bacteria
- C. Lightening
- D. Fungi