EASY
Lower Secondary Stage 8
IMPORTANT
Earn 100

What is the function of chlorophyll?

Important Questions on Obtaining Food

EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 1 - Obtaining Food>Exercise 2>Q 5
What process in the plant produces oxygen?
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 1 - Obtaining Food>Exercise 2>Q 5
What process do humans need oxygen gas(released in the process of photosynthesis) for?
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 1 - Obtaining Food>Exercise 2>Q 6
All the organisms carry out 7 life processes which of these do plants need carbon dioxide for?
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 1 - Obtaining Food>Exercise 2>Q 7
Why light is not a raw material for photosynthesis?
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 1 - Obtaining Food>Investigating photosynthesis in pondweed>Q A1

The diagram shows how to collect the gas from pondweed plan a way of showing that the gas is Oxygen and not carbon dioxide.

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EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 1 - Obtaining Food>Investigating photosynthesis in pondweed>Q A2
Make a prediction and explain why oxygen evolves during the process of photosynthesis and not carbon dioxide.
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 1 - Obtaining Food>Investigating photosynthesis in pondweed>Q A3

Explain, why do you need a lamp while doing the laboratory experiment by below showed setup, which proves the evolution of oxygen gas during the process of photosynthesis?

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EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 1 - Obtaining Food>Investigating photosynthesis in pondweed>Q A4

Why do we use a glass funnel in the experiment and not a white plastic one, in the experiment that proves that oxygen is evolved during the process of photosynthesis as shown below?

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