Where Do Plants Get Each of the Raw Materials Required for Photosynthesis? - Science


Where do plants get each of the raw materials required for photosynthesis?



The following raw materials are required for photosynthesis:
→ Carbon Dioxide: Plants get CO2 from atmosphere through stomata.
→ Water: Plants absorb water from soil through roots and transport to leaves.
→ Sunlight: Sunlight, which is absorbed by the chlorophyll and other green parts of the plant.

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Chapter 6: Life Processes - Intext Questions [Page 101]


NCERT Science Class 10
Chapter 6 Life Processes
Intext Questions | Q 2 | Page 101


What are the differences between autotrophic nutrition and heterotrophic nutrition?

The autotrophic mode of nutrition requires

How would you test the presence of starch in leaves?

Give a brief description of the process of synthesis of food in green plants.

Show with the help of a sketch that the plants are the ultimate source of food.

The food synthesised by the plants is stored as __________.

In photosynthesis solar energy is captured by the pigment called ___________.

During photosynthesis plants take in ___________ and release ___________ gas.

Name the following:

A plant that has both autotrophic and heterotrophic mode of nutrition.

Choose the correct option from the following:

Which part of the plant takes in carbon dioxide from the air for photosynthesis?

Choose the correct option from the following:

Plants take carbon dioxide from the atmosphere mainly through their:

All animals and fungi are autotrophs.

Name the process by which plants make food.

(a) Name the pigment in leaves which absorbs sunlight energy.
(b) What is the colour of this pigment?

Where is chlorophyll mainly present in a plant?

Organisms that can prepare their own food.

The cell organelle where photosynthesis occurs.

The internal energy (cellular energy) reserve in autotrophs is:

(a) proteins
(b) fatty acids
(c) glycogen
(d) starch

Distinguish between: Autotrophic nutrition and Heterotrophic nutrition.

Answer the following questions in your own words.

Explain the process of production of food in plants.

Answer the following questions in your own words.

What is meant by parasitic plants? Name their different types with examples of each.

Think and answer.

Why is plant food not produced in any other parts of the plant except the green ones?

Which of the following equations is the summary of photosynthesis?

The Figure shown below represents an activity to prove the requirements for photosynthesis. During this activity, two healthy potted plants were kept in the dark for 72 hours. After 72 hours, KOH is kept in the watch glass in setup X and not in setup Y. Both these setups are air tight and have been kept in light for 6 hours. Then, Iodine Test is performed with one leaf from each of the two plants X and Y.

Which of the following statements shows the correct results of Iodine Test performed on the leaf from plant X and Y respectively?

The term that is used for the mode of nutrition in yeast, mushroom and bread-mould is


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