Biology Past Questions And Answers
The flame cells are used for excretion in
- A. Fluke
- B. Nematode
- C. Bacteria
- D. Volvox
An example of a dehiscent fruit is
- A. crotolaria
- B. tomato
- C. mango
- D. orange
(a) What is a sense organ?
(b) List four sense organs found in mammals.
(c) Describe the processes that will cause a person who has been spinning to feel dizzy
(d) State two functions each of the following structures:
(i) Cerebellum
(ii) Cerebrum
(iii) Medulla Oblongata.
View Discussion (0)WAEC 2009 THEORYMutation leads to evolution in that it
- A. gives rise to offspring which have the same characteristics as the parents
- B. kill all organism where it has occurred
- C. gives rise to new individuals which differs considerably from their parents
- D. always confers adaptability of the offspring
The insects in which the maxillae are modified into a long coiled proboscis is
- A. housefly
- B. butterfly
- C. mosquito
- D. grasshopper
Carbon dioxide is carried in the plasma?
- A. in combination with haemoglobin
- B. in combination with antibodies
- C. by capillary action
- D. as bicarbonate ion
A high concentration of auxin in the root will
- A. inhibit growth
- B. stimulate growth
- C. not affect growth
- D. cause the root to roth
Which of these responses is not voluntarily controlled by the brain?
- A. Dancing
- B. Eating
- C. Sneezing
- D. Writing
The display of male agama lizard is to?
- A. scare predators
- B. defend its territory
- C. attract female for mate
- D. give warnings to intruders
Peripherals arrangement of vascular tissues in dicots is a characteristic of the internal structure of the
- A. leaf
- B. petiole
- C. stem
- D. root