Name any three wastes excreted by plants?

Important Questions on Transport of Substances in Living Beings

MEDIUM

7th CBSE

IMPORTANT

Science Horizons>Chapter 10 - Transport of Substances in Living Beings>Think and Answer>Q 1

Maya says she saw a tree trunk from which a thick liquid was oozing out. She says we could use that liquid to make rubber. Do you think she could be right?

MEDIUM

7th CBSE

IMPORTANT

Science Horizons>Chapter 10 - Transport of Substances in Living Beings>Think and Answer>Q 2

Why does our heart beat increase after we run?