Which among the following is an autotroph?

Which part/parts of the banana plant is/are edible?

Which one of the following food item does not provide dietary fibre?

Given below are the steps to test the presence of proteins in a food item:
(i) Take a small quantity of the food item in a test tube, add 10 drops of water to it and shake it.
(ii) Make a paste or powder of food to be tested.
(iii) Add 10drops of caustic soda solution to the test tube and shake well.
(iv) Add 2 drops of copper sulphate solution to it.
Which of the following is the correct sequence of the steps?

Cotton bolls are which part of the plant?

Which of the following materials is not soluble in water?

Iron filings from a tea mixture can be separated by :

Which of the following changes can not be reversed?

The organs for locomotion in an earthworm are :

The image formed in water is :

Where do bees store their food and in which from?

(a) List all those components of food that provide nutrients.
(b) Mention two components of food that do not provide nutrients.

Besides the textiles, what is the other major use of cotton?

Define translucent materials. Give an example

Raghav is given a glass bottle with some white substances in it that is either chalk or sugar. How can be find out which of the two is sugar or chalk, without tasting it.

Give four examples for each physical and chemical changes.

Differentiate between shrubs & herbs.

Life is not possible without plants. Justify.

Explain the working of muscles.

What do the biotic and abiotic components include?

What are sprouted seeds? How are they eaten?

Describe the symptoms, cause and cure of 'Beri-Beri' disease.

Write three advantages of grouping.

What do you mean by the hardness of materials? Explain with an example

Will a leaf taken from a potted plant kept in a dark room for a few days turn blue black when tested for starch? 'Give reasons for your answer.

If an organism fails to adapt to its environment, what could be the possible consequences?

Why does a fish die when kept outside the water?

Describe three rules to measure length.

How can you say that both animals and plants are dependent on each other for their survival?

While passing through a street, Sohan saw some safai karamcharis were burning the waste paper and dry leaves near the municipal dustbin.
(i) Why were they burning the waste paper and dry leaves?
(ii) What was evolved on burning these things?
(ill) Suggest any other method to reduce wastes like leaves.
(iv) Name one method that saves trees or plant

How will you test the presence of proteins in food items?

Mention the sources and uses of the following
fibres: cotton, jute, silk and wool.

Chalk, iron nail, wood, aluminium, candle, cotton usually look different from each other. Give some properties by which we can prove that these materials are different.

A mixture of iron nails, salt, oil and water is provided to you. Give step wise method to separate each component from this mixture?

Describe a leaf.

Describe the skeleton of a cockroach.

What are the adaptive features of a lion that help it in hunting?

How can we find the length of a curved line? Explain.