Nutrition in plants Grade 7

Foods synthesized in the process of Photosynthesis by plants is stored as

• Starch

• Protein

• Vitamins

• Fats

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NGSS.MS-LS1-6

The equation for photosynthesis is

• oxygen + water --> glucose + carbon dioxide
• oxygen + glucose --> carbon dioxide + water
• carbon dioxide + water --> glucose + oxygen
• carbon dioxide + glucose --> oxygen + water

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NGSS.MS-LS1-6

NGSS.MS-LS1-7

NGSS.MS-LS2-3

When we observe the lower surface of a leaf through a magnifying lens we see numerous small openings. Which of the following is the term given to such openings?

• stomata

• midrib

• vein

• lamina

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NGSS.MS-LS1-6

In photosynthesis solar energy is captured by the pigment called___________.

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NGSS.MS-LS1-6

The mode of nutrition in which organisms make (synthesise) food themselves from simple substances(like water, carbon di oxide, sunlight etc.) is called

• Autotrophic nutrition

• Heterotrophic nutrition

• Saprotrophic nutrition

• None of the above

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NGSS.MS-LS1-6

Which of the following statements is/are correct?

(i) All green plants can prepare their own food.

(ii) Most animals are autotrophs.

(iii) Carbon dioxide is not required for photosynthesis.

(iv) Oxygen is liberated during photosynthesis.

Choose the correct answer from the options below:

• ( i) and (iv)

• (ii) only

• (ii) and (iii)

• (i) and (ii)

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NGSS.MS-LS1-6

Leaves are green due to the presence of a green coloured pigment called chlorophyll. Which of the following is the main function of chlorophyll?

• To absorb carbon dioxide from the atmosphere.

• To absorb water and minerals from the soil.

• To give greenish colour to the leaves.

• To trap sunlight.

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NGSS.MS-LS1-6

A plant was kept in a dark room for a week. When its leaves were tested with iodine solution, it did not show the presence of starch. From this experiment we can conclude that ____ is essential for photosynthesis.

• sunlight

• water

• carbon Dioxide

• oxygen

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NGSS.MS-LS1-6

what is the role of stomata?

• openings in the leaf that allows gas in and out of the plant

• transport water and supports the plant

• transport sugars

• site of photosynthesis

Do the coloured leaves like (red, brown, orange or yellow) perform photosynthesis and how?

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NGSS.MS-LS1-6