Biology Past Questions And Answers
Regulation of blood sugar level takes place in the
- A. pancreas
- B. iluem
- C. liver
- D. kidney
The impedance of the concentration of chloroplast in the palisade layer of the leaf is for maximum exposure to
- A. carbon dioxide
- B. light
- C. water
- D. oxygen
Which of the following is not essential in the studying of the ecological factors that directly affect plants?
- A. wind
- B. temperature
- C. herbivores
- D. carnivores
The part of the mammalian digestive system where absorption of nutrient takes place is the
- A. ileum
- B. colon
- C. oesophagus
- D. duodenum
Identical twins inherit their genes from
- A. different eggs and sperms
- B. the same egg and sperm
- C. two eggs and a sperm
- D. one egg and two sperms
The axial skeleton is composed of the
- A. skull and vertebral column
- B. limbs and girdles
- C. atlas and axis.
- D. radius and ulna
Which of the following processes are associated with photosynthesis? I. Energy from sunlight is absorbed II. Carbon dioxide is evolved III. Oxygen is given off IV. Glucose is synthesized
- A. I and II only
- B. I, II and IV only
- C. I, III and IV only
- D. I, II, III and IV
If the cross of a red-flowered plant with a white flowered plant produces a pink flowered plant, this is an example of
- A. codominance
- B. incomplete dominance
- C. mutation
- D. linkage
The relationship between the retina and the brain is similar to that between the
- A. cochlea and the auditory nerve
- B. cochlea and the brain.
- C. cochlea and the semi-circular canals
- D. eardrum and the brain
The dominant stage in the life cycle of a fern is the
- A. antheridium
- B. gametophyte
- C. prothallus
- D. sporophyte

