Nutrition in plants grade 7

The cell is closed by a thn outer boundary which is _______

• Nucleus

• Cell membrane

• Cytoplasm

• Chlorophyll

What does photosynthesis,

Photo-?, Synthesis-?

• Photo- food synthesis-make

• Photo- to make synthesis- food

• Photo-light synthesis-to make

• None of the above

The tiny pores through which the gases are exchanged_______

• Stomata

• Nose

• Lungs

• Holes

Answer explanation

Stomata is the tiny pores through wich the plants breathe and through which the plants release oxygen which is used by us.

Why do we need food ?

• Because it gives us energy

• Because it makes us sleepy

• Because it is very tasty

• None of these

Cuscuta is an example of _______and it has small root like structure called________.

• Symbiosis, spines

• Saprotrophes, root

• Parasite, haustria

• None

Uses of fungi: ?

• Medicine

• Food preparation

• It helps in making wood

• It helps in making plastic

Lichens=

• Fungi , cuscuta

• Fungi, algae

• Algae, lichens

• Algae, pitcher plant

Why does the insectivorous plants feed on insects, when they have water 💦, ⛅ sunlight, carbon dioxide chlorophyll?

What does the farmer do if tthere aren't enough minerals for plants

• They use pesticides

• They use fertilizer

• They use dirt

• None

Write three examples for insectivorous plants