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The Fundamental Unit Of Life

If you are provided with some vegetables to cook. You generally add salt
into the vegetables during cooking process. After adding salt, vegetables
release water. What mechanism is responsible for this?

05/11/2024

Science

9th

The Fundamental Unit Of Life

We eat food composed of all the nutrients like carbohydrates, proteins,
fats, vitamins, minerals and water. After digestion, these are absorbed in
the form of glucose, aminoacids, fatty acids, glycerol etc.
What mechanisms are involved in absorption of digested food and water?

05/11/2024

Science

9th

The Fundamental Unit Of Life

Name any cell organelle which is non membranous.

05/11/2024

Science

9th

The Fundamental Unit Of Life

A person takes concentrated solution of salt, after sometime, he starts
vomiting. What is the phenomenon responsible for such situation? Explain.

05/11/2024

Science

9th

The Fundamental Unit Of Life

Why is endocytosis found in animals only?

05/11/2024

Science

9th

The Fundamental Unit Of Life

Why does the skin of your finger shrink when you wash clothes for a long time?

05/11/2024

Science

9th

The Fundamental Unit Of Life

Do you agree that “A cell is a building unit of an organism”. If yes, explain why?

05/11/2024

Science

9th

The Fundamental Unit Of Life

Select the odd one out
(a) The movement of water across a semi permeable membrane is affected
by the amount of substances dissolved in it.
(b) Membranes are made of organic molecules like proteins and lipids
(c) Molecules soluble in organic solvents can easily pass through the
membrane.
(d) Plasma membranes contain chitin sugar in plants

05/11/2024

Science

9th

The Fundamental Unit Of Life

Living cells were discovered by
(a) Robert Hooke
(b) Purkinje
(c) Leeuwenhoek
(d) Robert Brown

05/11/2024

Science

9th

The Fundamental Unit Of Life

Lysosome arises from
(a) endoplasmic reticulum
(b) golgi apparatus
(c) nucleus
(d) mitochondria

05/11/2024

Science

9th