Waec 1994 Biology Past Questions And Answers
The following conditions form the basis of competition in a habitat except
- A. food
- B. space
- C. reproductive mate
- D. Body structure
Mutation 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 gradual, cumulative, adaptive and heritable changes in an organism over a long period of time resulting in emergence of new species is known as
- A. adaption
- B. survival
- C. regeneration
- D. organic evolution
The scientist who discovered the cell while examining a thin slice of cork under the microscope was
- A. Robert Hooke
- B. Anton van Leeuwenhoek
- C. Matthias Schleiden
- D. Theodor Schwann
The process whereby poisonous compounds are made harmless in the liver is called
- A. deamination
- B. glycolysis
- C. dehydration
- D. detoxification
(a) Describe the general arrangement of the viscera of a named mammal.
(b) Describe the process of feeding in (i) Hydra; (ii) Amoeba.
View Discussion (0)WAEC 1994 THEORYWhich of the following is the least safe method of birth control? Using
- A. spermicide creams
- B. contraceptive pills
- C. barriers such as condoms
- D. the withdrawal method
The ability of the eye to alter the focal length of the lens, with regard to the distance of the object from the eye is known as
- A. binocular vision
- B. nocturnal vision
- C. distortion
- D. accommodation
In which of the following is a cellulose cell wall present
- A. Amoeba
- B. Mammalian white blood corpuscle
- C. spirogyra
- D. paramecium
The deficiency of calcium in a plant may result in
- A. stunted growth and poor root development
- B. poor growth, leaves become orange or brown
- C. stunted growth, slender stem and yellowing of leaves
- D. very small leaves and yellowing of leaves