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Biology and Physics Assertion-Reason Quiz

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Biology and Physics Assertion-Reason Quiz

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Questions and Answers

What is the function of lenticels in woody plants?

Facilitate gas exchange (correct)

Store excess water

Absorb nutrients

Conduct photosynthesis

Why does red light emerge nearest to the base of a prism when white light passes through it?

Red light is absorbed by the prism

Red light has the lowest energy

Red light has the longest wavelength and deviates the least (correct)

Red light has the highest frequency

Which metal reacts with oxygen to form an oxide that further reacts with moisture and carbon dioxide to form a basic carbonate?

Zn (correct)

What is the term for blood plasma without fibrinogen?

Serum Signup and view all the answers

How does swelling of guard cells affect stomatal pores?

Opening of stomatal pores Signup and view all the answers

What is the primary function of chlorophyll in photosynthesis?

Absorbing light energy Signup and view all the answers

Which statement about NaCl is incorrect?

Its pH value is 7, making it a neutral salt. Signup and view all the answers

Why does common salt show hygroscopic nature according to the text?

It contains impurities that give it hygroscopic properties. Signup and view all the answers

What is the nature of an aqueous solution of common salt?

Neutral Signup and view all the answers

Which compound is alkaline in an aqueous medium?

$Na_2CO_3$ Signup and view all the answers

Which atmospheric gas absorbs harmful ultraviolet radiation?

Ozone Signup and view all the answers

Why does water vapor cause a reduction in the amount of solar radiation reaching the ground?

It absorbs incoming infrared energy. Signup and view all the answers

What is required for light waves to travel through, based on the text?

Air or another gas Signup and view all the answers

Why does the sun appear white at noon?

All the colors of white light are scattered away Signup and view all the answers

In the given diagram, what does the angle of reflection represent?

0° Signup and view all the answers

Which property of light waves is illustrated in the diagram below?

Light waves are refracted by some materials Signup and view all the answers

In the diagram showing the path of a ray of light through a glass prism, which angles are correctly marked?

$\angle i$ and $\angle r$ Signup and view all the answers

What medium is necessary for light waves to travel through, according to the text?