Biology Past Questions And Answers
3001
A plant parenchyma cell also acts as a supporting tissue when it
- A. becomes flaccid
- B. contains crystals
- C. becomes turgid
- D. is pigmented
3002
The function of the fluid - filled pericadium is to
- A. reduce the friction caused by the pumping movements of the heart
- B. supply the heart with organisms from attacking the heart
- C. prevent disease organism from attacking the heart
- D. reduce the intensity of the pumping
3003
The legs of an accident victim with a fractured vertebral column and injured spinal cord could not be raised because
- A. impulses fromreceptors in the legs cannot travel to the brain
- B. impulses from the brain cannot travel to the legs
- C. chemical substances will be released at synapses in the central nervous system
- D. reflexx actions cannot take place in the legs
3004
A tropical disease caused by Trypanosoma is
- A. sleeping sickness
- B. river blindness
- C. yellow fever
- D. malaria
3005
One of this is not a continuous variation
- A) height
- B) weight
- C) tongue rolling
- D) skin colour
3006
The mammalian vein which starts with and ends in a capillary network is the
- A. pulmonary vein
- B. mesenteric vein
- C. renal vein
- D. hepatic potal vein
3007
which of the following is an agent of a sexually transmitted disease?
- A. Entamoeba histolytica
- B. Salmonella typhi
- C. Treponema pallidum
- D. Clostridium tetani
3008
An example of a filter -feeding animal is
- A. shark
- B. butterfly
- C. whale
- D. mosquito
3009
A typical plant cell is mainly distinguished from an animal cell by the possession of
- A. chloroplast and nucleus
- B. cell wall and cytoplasm
- C. chloroplast and cell wall
- D. cell wall and mitochondrion
3010
Chewing the cud is an adaptation peculiar to
- A. Herbivores
- B. Omnivores
- C. Rodents
- D. Ruminants