Question

Short Answer Type Questions

1. Name the nutrients we get from food.

ans

2. What are sprouted seeds?

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3. What are stomata?

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4. Why sandalwood tree is a partial parasite plant?

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5. How bacterium rhizobium and leguminous plants are beneficial to each other?

ans

Long Answer Type Questions


1. Explain the different types of nutrients required by plants.

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2. What are saprophytic plants?

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3 Give the examples of symbiosis.

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class 7​

Answer 1

Answer:

HELLO

See the attachment for short question answer and no. 5 is on another attachment

Answer 2

Answer:

Question 1

1st Questions Answer

1. Name the nutrients we get from food.

The six essential nutrients are vitamins, minerals, protein, fats, water, and carbohydrates.

2nd Questions Answer

2. What are sprouted seeds?

Sprouts are seeds that have germinated and become very young plants. This germination process usually begins with the seeds being soaked for several hours.

3rd Questions Answer

3. What are stomata?

We all know that stomata are the tiny pores on the leaves which play a major role in the exchange of gases. The intake of carbon dioxide and the outgoing of oxygen both takes place through these pores. The respiration in leaves takes place through the tiny pores called stomata present on them.

4th Questions Answer

4. Why sandalwood tree is a partial parasite plant?

Sandalwood is a parasitic plant deriving its nutritional requirement from other plants. It has modified roots called haustoria which penetrate host plants and draw nutrition from them. ... Not just this, an individual tree can form a network with several hosts including the grass around them.

5th Questions Answer

5. How bacterium rhizobium and leguminous plants are beneficial to each other?

Rhizobium and leguminous plants live in a symbiotic association with each other. In this, both the organisms are benefited from each other. The bacteria fix atmospheric nitrogen and make it available to the plants. On the other hand, Rhizobium receives nutrition from the plant in the form of organic acids.

Question 2

1st Questions Answer

1. Explain the different types of nutrients required by plants.

The essential elements can be divided into macronutrients and micronutrients. Nutrients that plants require in larger amounts are called macronutrients. About half of the essential elements are considered macronutrients: carbon, hydrogen, oxygen, nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur.

2nd Questions Answer

2. What are saprophytic plants?

Saprophytes are organisms that can't make their own food. In order to survive, they feed on dead and decaying matter. Fungi and a few species of bacteria are saprophytes.

3rd Questions Answer

3 Give the examples of symbiosis.

Types of Symbiosis

• Mutualism. Mutualisms are a form of symbiosis in which both symbiotic partners benefit from the interaction, often resulting in a significant fitness gain for either one or both parties. ...
• Commensalism. ...
• Amensalism. ...
• Parasitism. ...
• Corals and Zooxanthellae. ...
• Cleaner Fish. ...
• Cordiceps.

Explanation:

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