Light-Reflection and Refraction Sample Questions for Class 10
Question 1
The last stage of aerobic respiration is
A. the light reaction.
B. the Krebs cycle.
C. the Calvin cycle.
D. electron transport.
Question 2
While observing slides under a microscope, Jack adjusts the microscope's mirror so that a circle of light can be seen. Which type of microscope is Jack using?
A. compound microscope
B. electron microscope
C. scanning electron microscope
Question 3
What is the function of the cells in the palisade layer of a leaf?
A. allow light to enter the leaf
B. contain lots of chloroplasts to absorb light energy
C. allow gases to diffuse easily and reach all cells
D. store water
Question 4
In which layer do auroras (e.g. Northern Lights) occur?
A. Mesosphere
B. Stratosphere
C. Thermosphere
D. Troposphere
Question 5
What is the role of ATP and NADPH in the Calvin cycle?
A. to stack together and form a glucose molecule
B. to split glucose into pyruvic acid
C. to carry energy from the light reactions, which will be stored in glucose
D. to split a water molecule and produce oxygen