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
How do viruses reproduce?
A. by exposure to light and water
B. by osmosis
C. by invading living cells
D. by invading dead cells
Question 3
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 4
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 5
In which layer do auroras (e.g. Northern Lights) occur?
A. Mesosphere
B. Stratosphere
C. Thermosphere
D. Troposphere