Question

short Answer Type Questions :

1) Define nutrition.
2) What is the role of stomata in the plant?
3) What do you understand by photosynthesis?
4) What are parasites?
5) What is symbiosis?​

Answer 1

Answer:

1. the process of providing or obtaining the food necessary for health and growth.
2. Stomata regulate gas exchange between the plant and environment and control of water loss by changing the size of the stomatal pore. ... Ion efflux from the guard cells also drives the efflux of water and results in a change in guard cell turgor that causes closure of the stomatal pore.
3. Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds
4. an organism that lives in or on an organism of another species (its host) and benefits by deriving nutrients at the other's expense.
5. interaction between two different organisms living in close physical association, typically to the advantage of both.

Explanation:

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Answer 2

Answer:

1) Nutrition is the process of intake of nutrients ( like carbohydrates, fats proteins, minerals, vitamins and water) by an organism as well as the utilisation of these nutrients by the organism.

2) Role of stomata: Stomata helps in the gaseous exchange of gases from the air. It helps plants to take carbon dioxide during photosynthesis and release oxygen after photosynthesis and intake of carbon dioxide during respiration and release of oxygen during respiration...

3) Photosynthesis: The process by which green plants make their own food (like glucose) from carbon dioxide and water using sunlight energy in the presence of chlorophyll is called photosynthesis.

4) Parasites: It is an organism that lives in or on an organism of another species (its host) and benefits by deriving nutrients at the other's expense.

A parasite is an organism (plant or animal) which feeds on another living organism called its host..

Example, plasmodium and roundworm...

5) Symbiosis: Symbiosis is a relationship between two organisms such that both organisms mutually benefit from the relationship.

Example, pea plants and the bacterium, Rhizobium..

READ HOW IT HAPPENS:

Plants of pea plant (also called leguminous plants) contain modules in their roots that are occupied by Rhizobium.

This bacterium converts nitrogen from the atmosphere into simple compounds which are easily absorbable by the roots of these plants; in turn, provide shelter and nutrition to Rhizobium..

I hope it will help you out....