A group of closely related organisms capable of interbreeding to produce the fertile offspring are known as members of a
- A. Kingdom
- B. class
- C. family
- D. species
Correct Option: Answer is D
2. A beaker of pond water containing few specimens of Euglena was placed in a dark room for two weeks. At the end of this period, the specimens of Euglena were still alive because they were
- A. able to carry out holozoic nutrition
- B. able to carry out photosynthesis using carbon dioxide in the pond water
- C. better adapted to life in darkness than to life in light
- D. not overcrowde
Correct Option: Answer is A
3. The cytoplasm of a cell is considered a very important component because it
- A. regulates the amount of energy in the cell
- B. suspends all cell organelles
- C. is the outermost part of the cell
- D. is solely responsible for cell division
Correct Option: Answer is B
4.
Use the diagram shown to answer the question. After an hour, the level of water in the thistle funnel will
- A. rise
- B. fall
- C. remain the same
- D. double
Correct Option: Answer is A
5.
Use the diagram shown to answer the question. The experiment above is used to demonstrate the process of
- A. transportation
- B. water culture
- C. diffusion
- D. osmosis
Correct Option: Answer is D
6.
Use the diagram shown to answer the question. In plant cells, the role of the membrane is played by the
- A. nucleolus
- B. cell wall
- C. cytoplasm
- D. mitochondrion
Correct Option: Answer is B
7. Red blood cells were found to have burst open after being placed in distill for an hour. This phenomenon is known as
- A. plasmolysis
- B. diffusion
- C. haemolysis
- D. wilting
Correct Option: Answer is C
8. The curvature movement of plants in response to the stimulus of water is called
- A. hydrotropism
- B. geotropism
- C. Phototropism
- D. thigmotropism
Correct Option: Answer is A
9. The overall reaction in glycolysis can be summarised as
- A. C\(_{6}\)H\(_{12}\)O\(_{6}\) —–> C\(_{3}\)H\(_{4}\)O\(_{3}\) + 4H + ATP
- B. C\(_{6}\)H\(_{12}\)O\(_{6}\) —–> 2C\(_{3}\)H\(_{4}\)O\(_{3}\) + 4H + 2ATP
- C. C\(_{6}\)H\(_{12}\)O\(_{6}\) —–> 2C\(_{3}\)H\(_{4}\)O\(_{3}\) + 4H + ADP
- D. C\(_{6}\)H\(_{12}\)O\(_{6}\) —–> 2C\(_{3}\)H\(_{4}\)O\(_{3}\) + 4H + 2ADP
Correct Option: Answer is B
10. The longest bone in the body is the
- A. humerous
- B. femur
- C. scapula
- D. tibia