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SEBA Class 7 Science Part I Chapter 1 Answer 2026 | Plant nutrition | Class 7 Science Part I Chapter 1 Books Solution

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SEBA Class 7 Science Part I Chapter 1 Answer 2026 | Plant nutrition | Class 7 Science Part I Chapter 1 Books Solution

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&nbsp;Chapter 1

Plant nutrition

1. What is a breadwinner? Answer: There are many different ingredients in food that are necessary for our body. These components are called nutrients. For example, carbohydrates, proteins, fats, vitamins, etc. 2. What is the difference between host and host? Answer - An organism that can prepare its own food is called a self-sustaining organism. Asane - plant, gach - gachni adi.                 On the other hand, living organisms prepare their own food and depend on food and other animals or plants. That's what the animals are talking about. As if - Manuh.

3. Does photosynthesis crow? Write with the help of pictures.Answer:&nbsp;Seuzia plants use water and carbon dioxide from sunlight to make their own food, called photosynthesis. Carbon Dioxide + Carbon dioxide -&gt; Carbohydrate + Oxygen. &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; The process of photosynthesis releases oxygen as plants make their own food. Finally, the carbohydrates produced are converted to white matter. 4. Cell crow speak? Answer-&nbsp;Cell is the smallest unit of body structure.

5. What does the cell center say?Ans -&nbsp;A distinct dot inside the cell is called the cell nucleus.

6. How does the treasury speak?Ans -&nbsp;Cells are covered with a thin layer of silk.

7. How does the cell speak? Ans -&nbsp;cell nucleus and jelly-like granular cell membrane.&nbsp;

8. What is the letter crow?Answer -&nbsp;The leaves are thick and thin.

9.&nbsp;What does&nbsp;the newspaper say? Ans -&nbsp;&nbsp;Patat Thaka Seuziya Ranjak Kanikak PatraharitBole.&nbsp;&nbsp;

10. What are carbohydrates made of?Answer -&nbsp;&nbsp;It is composed of carbon, oxygen and hydrogen.

11. What are proteins made up of?Answer:&nbsp;Proteins are mainly composed of nitrogenous substances. Exercise: (1) What is the need to consume living food? &nbsp;Answer:&nbsp;&nbsp;The growth, reconstruction and regular functioning of the body requires the intake of vital food. (2) Write separately - parasites and dead organisms.&nbsp; &nbsp;Ans:&nbsp;Plants living by getting nutrients from other plants are called parasitic plants. As if - immortality.&nbsp;&nbsp; &nbsp;On the other hand,&nbsp;&nbsp;the living organisms (in plants) are dead, they are rotten, they extract nutrients from the dead matter, and the dead organisms of these plants are called plants. As if - sheep.

(3) Do you check the presence of Starch?

Answer:&nbsp;FOR STUDENTS (4) How do you describe the process of food synthesis in Seuzia plants? Answer:&nbsp;&nbsp;The process of making food by itself with the help of water and carbon-dioxide in the presence of sunlight in Seuzia plants is called photosynthesis. (6) Filling up the blanks - (a)&nbsp;Seugea&nbsp; is called&nbsp;an autophagous organism&nbsp;&nbsp; because it prepares its own food.&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; (b)&nbsp;Foods synthesized by plants&nbsp;&nbsp;&nbsp;are stored in&nbsp;carbohydrates . (c)&nbsp;Photosynthesizers that harvest solar energy&nbsp;are called&nbsp;dyes&nbsp;&nbsp;. (d)&nbsp;During photosynthesis,&nbsp;carbon dioxide&nbsp;&nbsp;&nbsp; and&nbsp;&nbsp;oxygen&nbsp;&nbsp; are released into the plant. 7) Write the names of the objects below.

(A) Parasitic plants whose stems are slender, smooth and tubular. Answer:&nbsp;Immortality. (b) Plants which receive nutrients both as autotrophs and as paratrophs or both. Answer:&nbsp;&nbsp;Kalchi plant.&nbsp; &nbsp; &nbsp;&nbsp; (c) Leaf tissue that exchanges gases in the plant with the help of pores. Answer:&nbsp;Letters. 8) By recognizing the correct answer.&nbsp; a) Immortality&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;1) Host 2) Parasite 3) Protozoan 4) Host Examples Answer:&nbsp;&nbsp;&nbsp;&nbsp;2) Parasite. 2) Plants that attract insects and moths. &nbsp; &nbsp;1) Immortality 2) Java flower 3) Kalchi plant 4) Rose&nbsp; Answer:&nbsp;&nbsp;3) Kalchi plant. 9) Match the 1st pillar to the 2nd pillar. Answer:

<figure class="wp-block-table"><table class="has-fixed-layout"><tbody><tr><td>Pillar No. 1</td><td>Pillar No. 2</td></tr><tr><td>Stone&nbsp;green</td><td>Leaf</td></tr><tr><td>Nitrogen</td><td>Bacteria</td></tr><tr><td>Immortality</td><td>Parasite</td></tr><tr><td>Animal</td><td>Healthy living</td></tr><tr><td>Insects</td><td>Calchi plant</td></tr></tbody></table></figure>

10) Write clean sentences (Shu) and impure sentences (A).&nbsp;1) Carbon dioxide is released in the process of photosynthesis.&nbsp;&nbsp;

Answer:&nbsp;&nbsp; (A)

2) Plants that prepare their own food are called dead organisms. Answer:&nbsp;(A).

3) No photosynthetic protein is&nbsp;produced&nbsp;. Answer:&nbsp;(Shu)

4) Photosynthesis process converts solar energy into chemical energy. Answer:&nbsp;(Shu)&nbsp;

11) Remove the clean residue after giving the bottom. &nbsp; Which part of the plant absorbs carbon dioxide from the atmosphere through photosynthesis? (i) Mulrom (ii) Patrandhra (iii) Pater Sira (iv) Vriti. Answer:&nbsp;&nbsp;2) letterhead. 12) Remove the clean residue after the Diyas.&nbsp;Plants absorb carbon dioxide from the atmosphere through which part of the soil? (i) Petal (ii) Stem (iii) Flower (iv) Leaf. Answer:&nbsp;4) leaves.

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