64
A pupil accidentally “watered” a potted plant with a concentrated salt solution. After sometime the plant began to wilt.
Which of the following activities would revive the plant?
- A. Covering the plant with dark paper to prevent further water loss from its surfaces
- B. Leaving the plant to adapt to the condition
- C. Exposing the plant to higher concentration of oxygen
- D. Adding more water to the soil
65
A pupil accidentally “watered” a potted plant with concentrated salt solution after sometime the plant began to wilt.
The wilting of the plant is due to the fact that
- A. the root hair die off and can no longer absorb water
- B. the salt solution causes faster rate of transpiration leading to the death of the plant cell
- C. the salt solution has caused water lost from the plant cell leading to loss of turgor
- D. the plant tissue has been poisoned by the salt which is absorbed by the plant
66
The living materials of the cell consist of
- A. nucleus and cytoplasm
- B. cytoplasm and vacuole
- C. cytoplasm and cell membrane
- D. nucleus and cell membrane
67
Which of the following features does not necessarily place paramecium as a higher level of organisation over Amoeba?
- A. Presence of cilia
- B. Absence of pseudopodia
- C. Presence of micro and mega nuclei
- D. Presence of more than one food vacuole
68
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