1995 年
生物 · 共 58 題 · 點擊選項即時核對答案
Which of the following cells from the same person have different genotypes among themselves ?
Burning of fossil fuels is blamed for the corrosion of stone buildings and damage to forests. Which of the following pollutants is the main cause of the damage ?
Which of the following pairs of organisms can gain benefits from each other in their association ?
Questions 56 and 57 refer to the following food chain found in the grassland :
As energy is transferred from grass to grasshopper, energy is lost as a result of
Questions 56 and 57 refer to the following food chain found in the grassland :
The grasshopper and the mantis are green. This is an example of
Which of the following treatments would not kill the microorganisms present in the food ?
Penicillin, the first antibiotic discovered, is becoming less effective in controlling the spread of bacterial diseases because
The diagram below shows the chromosomes of a dividing cell of a person suffering from a genetic disease :
What abnormality is present in the cell of this person ?