Question

B. Very Short Answer Type Questions

1 What is nutrition?

ans

2. What are autotrophs?

ans

3. What are heterotrophs?

ans

4 Give two examples of insectivorous plants.

ans

5. What is symbiosis?

ans

6. How does exchange of gases takes place in leaves?

ans

please give me right right answer please friends please fast

class 7
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Answer 1

Answer:

nutrition

it is a life processes which helps in maintaining our life .

2

the organisums which can make their own food is called autotrops

3

the organisums which depend on another organisum for food is called heterotrophs

4

venus fly trap

Answer 2

Answer:

1) What is nutrition?

Ans) Nutrition is the process of taking in food and converting it into energy and other vital nutrients required for life.

2) What are autotrophs?

Ans) Autotrophs are organisms that undergo autotrophic mode of nutrition. These are the organisms that can prepare their own food from simple substances like carbon dioxide and water. All green plants are examples of autotrophs.

3) What are heterotrophs?

Ans) Heterotroph is an organism that is unable to synthesize its own food, and therefore, has to rely on other sources, specifically plant and animal matter. All animals and non-photosynthetic plants are classified as heterotrophs since they are unable to prepare food.

4) Give two examples of insectivorous plants.

Ans) Venus flytrap, pitcher plant and cobra lily are some of the insectivorous plants' names.

5) What is symbiosis?

Ans) Symbiosis refers to the close relationship amongst two different organisms or living things belonging to different species. Symbiosis is a relationship that exists between two organisms. There are three types of behaviours observed in symbiotic relationships, namely: Mutualism. Commensalism.

6)  How does exchange of gases takes place in leaves?

Ans) Leaves consist of tiny pores known as stomata. Gaseous exchange occurs through diffusion via stomata. Guard cells regulate each of the stomata. Exchange of gases occurs with the closing and opening of the stoma between the inferior of leaves and the atmosphere.