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CBSE 11th Standard Biology Subject Photosynthesis in Higher Plants HOT Questions 1 Marks Questions With Solution 2021

Published on: 29/05/2021

QB365 Provides the HOT Question Papers for Class 11 Biology, and also provide the detail solution for each and every HOT Questions. HOT Questions will help to get more idea about question pattern in every exams and also will help to get more marks in Exams

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Std: 11th Standard CBSE - Biology

chapter: - HOT Questions

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Questions:

Generic 2

5 x 2 = 10

Why is photorespiration called as the C₂ cycle?

What would happen to the rate of photosynthesis in C₃-plants if CO₂ concentration level almost doubles from its present level in the atmosphere?

Tomatoes, carrots and chillies are red in colour due to presence of one pigment. Name the pigment.It is a photosynthetic pigment?

Whose hypothesis revealed that plant purifies air while breathing animals and burning candles fouls it?

Where do the electrons move from the electron acceptor of PS-II in the Z-Scheme.

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Answers Key:

Generic 2

5 x 2 = 10

Photorespiration is also called as the C₂ cycle because of the formation 2-carbon intermediate compound named glycolic acid.

If the CO₂ concentration in C₃-plants almost get doubles from its present level in the atmosphere, plants will grow much faster and lead to the higher productivity due to higher rate of photosynthesis.

Lycopene pigment, which is a chromoplast.It is a non-photosynthetic pigment.

It was revealed by Priestley's hypothesis.

In z - scheme, PSII is excited first and releases an electron. This electron is accepted by an e− acceptor, plastoquinone and passed to the electron transport system (ETS) and then to plastocyanin which transfers electrons to PSI.