Biology Past Questions And Answers
191
In the binomial system of naming organisms, the second name is called the
- A. scientific name
- B. common name
- C. generic name
- D. specific name
192
The movement of blood between the heart and all other parts of the body besides the lung is known as
- A. systemic circulation
- B. closed circulatory system
- C. pulmonary circulation
- D. single circulation system
193
In a food web, tertiary consumers belong to which trophic level?
- A)First
- B) Second
- C) Third
- D) Fourth
194
Which of the following features is not characteristic of arteries? Arteries
- A. possess valves at intervals throughout their length
- B. have thick, muscular and elastic walls
- C. carry blood away from the heart
- D. transport oxygenated blood with the exception of the pulmonary artery
195
Which of the following groups consists of only micro-nutrients?
- A. Molybdenum, sulphur and copper
- B. Boron, Zinc and Calcium
- C. Manganese, molybdenum and zinc
- D. Magnesium, phosphorus and manganese
196
The inability of an organism to adapt to its habitat can lead to
- A. dormancy
- B. adaptation
- C. extinction
- D. survival
197
The community of plants in which the same species occur from year to year is the
- A. annual species
- B. pioneer vegetation
- C. perennial species
- D. climax vegetation
198
The enzyme that is present in the saliva is
- A. rennin
- B. lipase
- C. pepsin
- D. ptyalin
199
When a short-sighted person views a distant object without spectacles, the image is formed
- A. on the retina
- B. in front of the retina
- C. behind the retina
- D. on the blind spot
200
The algae, bryophytes and pteridophytes are similar in that they
- A. are sea weeds
- B. have no vascular tissue
- C. require moisture for fertilization
- D. are microscopic plants