1,050W
16,800W
18,060W
20,160W
Correct answer is A
No explanation has been provided for this answer.
Which of the following is not true about a bacterial colony growing on an agar plate?
They are visible without the aid of the microscope
Bacterial cells found in one colony often belong to one species
Different colonies have different colours
Only one species of bacterial colony can grow on a culture at any time
Colonies growing on an agar plate under the same conditions must belong to one species
Correct answer is C
No explanation has been provided for this answer.
Which of the following statements about evaporation is not correct?
The rate of evaporation of a liquid varies with temperature
The molecules of an evaporating liquid have an average speed
Evaporation occurs when faster molecules escape from the surface of a liquid
Evaporation takes place inside a liquid.
Correct answer is D
No explanation has been provided for this answer.
75,600J
336,000J
340,200J
378,000J
Correct answer is A
No explanation has been provided for this answer.
The scientist who discovered the honey-comb structure of the cell was
Robert Hooke
Felix Dujardin
Mathias Schleiden
Theodore Schwann
Louis Pasteur
Correct answer is A
No explanation has been provided for this answer.