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Class 7 Important Questions for Science – Nutrition in Plants (NCERT Exemplar)

by Anwesha Bose
January 21, 2023
in 7th Class
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Class 7 Important Questions for Science -Nutrition in Plants

NCERT Exemplar Class 7 Science is very important resource for students preparing for VII Board Examination. Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 7.

Question from very important topics are covered by NCERT Exemplar Class 7. You also get idea about the type of questions and method to answer in your Class 7th examination.

Here you can get Class 7 Important Questions Science based on NCERT Text book for Class VII. Science Class 7 Important Questions are very helpful to score high marks in board exams. Here we have covered Important Questions on Nutrition in Plants for Class 7 Science subject.

Science Important Questions Class 7 are given below.

Multiple Choice Questions

  1. Organisms which prepare food for themselves using simple naturally available raw materials are referred to as
    • (a) heterotrophs
    • (b) autotrophs
    • (c) parasites
    • (d) saprophytes
  2. In the absence of which of the following will photosynthesis not occur in leaves?
    • (a) Guard cells
    • (b) Chlorophyll
    • (c) Vacuole
    • (d) Space between cells
  3. 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:

    • (a) (i) and (iv)
    • (b) (ii) only
    • (c) (ii) and (iii)
    • (d) (i) and (ii)
  4. Pitcher plant traps insects because it
    • (a) is a heterotroph.
    • (b) grows in soils which lack in nitrogen.
    • (c) does not have chlorophyll.
    • (d) has a digestive system like human beings.
  5. The term that is used for the mode of nutrition in yeast, mushroom and bread-mould is
    • (a) autotrophic
    • (b) insectivorous
    • (c) saprophytic
    • (d) parasitic
  6. 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?
    • (a) Stomata
    • (b) Lamina
    • (c) Midrib
    • (d) Veins
  7. Two organisms are good friends and live together. One provides shelter, water, and nutrients while the other prepares and provides food. Such an association of organisms is termed as
    • (a) saprophyte
    • (b) parasite
    • (c) autotroph
    • (d) symbiosis
  8. Which of the following raw material is available in the air for photosynthesis?
    • (a) Oxygen
    • (b) Carbon dioxide
    • (c) Nitrogen
    • (d) Hydrogen

Very Short Answer Type Questions

  1. Potato and ginger are both underground parts that store food. Where is the food prepared in these plants?
  2. Nutrition in Plants

Short Answer Type Questions

  1. A goat eats away all the leaves of a small plant (balsam). However, in a few days, new leaves could be seen sprouting in the plant again. How did the plant survive without leaves?
  2. Unscramble the following to form terms related to modes of nutrition.
    (i) RASPAEIT
    (ii) ROPEHYTSAP
    (iii) TOROPHAUT
    (iv) SIBIOMSYS
  3. Nitrogen is an essential nutrient for plant growth. But farmers who cultivate pulse crops like green gram, bengal gram, black gram, etc. do not apply nitrogenous fertilizers during cultivation. Why?
  4. Wheat dough if left in the open, after a few days, starts to emit a foul smell and becomes unfit for use. Give reason.
  5. Sunlight, chlorophyll, carbon dioxide, water and minerals are raw materials essential for photosynthesis. Do you know where they are available? Fill in the blanks with the appropriate raw materials.
    (a) Available in the plant : _______________
    (b) Available in the soil : _______________, _______________
    (c) Available in the air : _______________
    (d) Available during day : _______________
  6. Observe the diagram given as Figure 1.1 and label the following terms given in the box.
    stomatal opening, guard cell
    Nutrition in Plants

Long Answer Type Questions

  1. Match the organisms given in Column I with their mode of nutrition given in Column II.
    Nutrition in Plants
  2. Wild animals like tiger, wolf, lion and leopard do not eat plants. Does this mean that they can survive without plants? Can you provide a suitable explanation?
  3. Fill in the blanks of the paragraph given below with the words provided in the box.
    chlorophyll, energy, food, carbon dioxide, water, photosynthesis
    Note: A word can be used more than once.
  4. Nutrition in Plants
  5. Spot as many organisms as possible in the puzzle given as Figure 1.2 by encircling them as shown. Write the names on a sheet of paper and categorise them into autotrophs and heterotrophs. Classify the heterotrophs into herbivores, carnivores, omnivores and saprophytes.
    Nutrition in Plants
  6. Can you give me a name?
    Solve each of the following riddles by writing the name of the organism and its mode of nutrition. One riddle is solved to help you.

    • (a) I am tall but I cannot move. I am green and can prepare my own food. tree, autotroph
    • (b) I live in water; people keep me in an aquarium and feed me. ___________, ______________
    • (c) I am small and I can fly. I disturb your sleep, bite you and suck your blood which is my food. _______________, _______________
    • (d) I am white and soft. I grow well in the rainy season. Children pluck me from the ground and admire me. I absorb nutrients from decomposed dead parts of plants and animals in the soil. ______________, _________________.
Next »

Answers to Multiple Choice Questions

1. (b) 2. (b) 3. (a) 4. (b)
5. (c) 6. (a) 7. (d) 8. (b)

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