Biology Jamb Questions
1. A plant which grows on another plant without apparent harm to the host plant is called
- A. a parasite
- B. an epiphyte
- C. a saprophyte
- D. a predator
- E. a hermaphrodite
Correct Answer: Option B
Explanation
Epiphytes, which differ from parasites in the sense that epiphytes grow on other plants for physical support and do not necessarily negatively affect the host. Hence, epiphytes show no apparent harm to the host plant.2. Given the equation:
6CO2 + 6H2O → C6H12O6 + 6O2 {Under sunlight & Chlorophyll)
The process represented by the above equation is
The process represented by the above equation is
- A. proteinsynthesis
- B. respiration
- C. photosynthesis
- D. transpiration
- E. translocation
Correct Answer: Option C
Explanation
The given equation is that of photosynthesis which is the use of sunlight and chlorophyll by green plants in order to yield their food. The equation yields sugar and oxygen.3. Given the equation:
6CO2 + 6H2O → C6H12O6 + 6O2 {Under sunlight & Chlorophyll)
The oxygen given off during the above process is derived from
The oxygen given off during the above process is derived from
- A. sunlight
- B. chlorophyll
- C. carbon dioxide
- D. atmosphere
- E. water
Correct Answer: Option E
Explanation
The oxygen given of by plants is from WATER which is split during photolysis(splitting of water by sunlight).4. One of the function of xylem is
- A. strengthening the stem
- B. manufacturing food
- C. reducing loss of water
- D. conducting manufactured food
- E. storing unused sugar
Correct Answer: Option A
Explanation
. Xylem plays an essential 'supporting' role providing strength to tissues and organs, to maintain plant architecture and resistance to bending.5. People suffering from myopia
- A. can see near object clearly
- B. can see far away object clearly
- C. cannot see any object clearly
- D. are colour blind
- E. are able to see clearly in the dark
Correct Answer: Option A
Explanation
Myopia is another name given to short- sightedness. Affected persons see close objects clearly but far objects are blurry and would take correction to get from a distance fixed on their retina6. The cilia in paramecium are use for
- A. respirating
- B. locomotion
- C. protection
- D. regulating food intake
- E. excretion
Correct Answer: Option B
Explanation
Cilia have important functions in the life of Paramecium, such as locomotion through the surrounding water and ingestion of food into the cytostome.7. Euglena may be classified as a plant because it
- A. has chloroplast
- B. has a gullet
- C. lives in a pond
- D. possesses a flagellum
- E. has pellicle
Correct Answer: Option A
Explanation
Most euglena have chloroplasts, which is a basic characteristics of plants
8. A trawler on a fishing trip caught a type of animal with hairs on its body. This animal could have been
9. which of these type of skeleton is most appropriate for a cockroach?
10. when protein are broken down they provide
- A. An amphibian
- B. a reptile
- C. a shark
- D. a mammal
- E. a seagull
Correct Answer: Option D
Explanation
We have aquatic mammals. These are mammals which depend on water either fully or partly. They have the qualities of mammals9. which of these type of skeleton is most appropriate for a cockroach?
- A. Hydrostatic skeleton
- B. Exoskeleton
- C. Endoskeleton
- D. Cartilaginous skeleton
- E. Bony skeleton
Correct Answer: Option B
Explanation
Like most other insects, cockroaches have an exoskeleton, meaning their skeleton is located on the outside of their bodies.10. when protein are broken down they provide
- A. oxygen
- B. carbonhydrate
- C. energy
- D. amino-acid
- E. carbon dioxide
Correct Answer: Option D
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