Waec Biology Past Questions For Year 2005
Question 26
Which of the following elements is required in large amounts by plants
- A. Molybdenum
- B. Boron
- C. Copper
- D. Phosphorus
Question 27
Which of the following statements is not true of the light stage of photosynthesis?
- A. Chlorophyll is energized by sunlight
- B. Water molecules split into hydrogen and hydroxyl ions
- C. Carbon (IV) oxide is reduced by hydrogen atoms in NADPH2
- D. Water is formed
Question 28
When both ovaries of the human female ovulate simultaneously and both ova are fertilized, then
- A. identical twins are produced
- B. fraternal twins are produced
- C. Siamese twins are produced
- D. the children produced are genetically identical
Question 29
Which of the following describes an example of fertilization in higher organisms?
- A. Fusion of sperm and egg nuclei
- B. Ejaculating of sperm into a female body
- C. Male gametes germinating in the pollen tube
- D. A pollen grain landing on a sticky stigma
Question 30
Reading the verdict of a case by a judge or magistrate is an example of
- A. a reflex action
- B. an instinct
- C. a conditioned reflex
- D. a voluntary action