Question 1 :
Fill in the blank: A combination of bones and cartilages forms the __________ of the body.

Question 2 :
Fill in the blanks. The components of air which are harmful to living beings are ____.

Question 3 :
Do you think that our body needs different kinds of food for some special purpose?

Question 4 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c664f59b460d7261e5ed.PNG' /> In the above figure, will the bulb glow in the circuit?

Question 5 :
Select the objects which are made using the outer covering of coconut.

Question 7 :
A change may occur by heating a substance or by mixing it with some other. TRUE or FALSE ?

Question 9 :
If you and your friends are given the choice of eating in a plastic plate or a banana leaf platter at a party, which one would you prefer ?

Question 10 :
If the petals of a flower are joined together, then the pistil is joined to the petal.Is it correct ?

Question 11 :
On a sunny day, does a bird or an aeroplane flying high in the sky cast its shadow on the ground? Under what circumstances can we see their shadow on the ground?

Question 12 :
A moving wheel of a sewing machine belongs to which category?

Question 13 :
Lemonade is prepared by mixing lemon juice and sugar in water. You wish to add ice to cool it. In which case would it be possible to dissolve more sugar?

Question 14 :
A person collected samples of some solid substances such as sugar, salt, chalk powder, sand and sawdust. Then, he takes five glasses and fills each one of them about two thirds with water. Now, he adds a small amount (spoonful) of sugar to the first glass, salt to the second and similarly, adds small amounts of the other substances into the other glasses and stirs the contents of each of them with a spoon. Next, he waits for a few minutes and observes what happens to the substances added to water. What happens to the sand?

Question 16 :
State True or False: Groundwater is drawn by a hand pump or a tubewell.

Question 17 :
The animals living in water use the dissolved ____ in water for respiration.

Question 19 :
If a plant has leaves with reticulate venation, what kind of roots will it have?

Question 21 :
Fill in the blank: Living organisms produce more of their own kind. This activity of living is known as ____.

Question 24 :
Which of the following is the edible part of radish plant?

Question 25 :
Fill in the blank : Motion of a child on a swing is _____.

Question 27 :
State true or false: Stone is transparent, while glass is opaque.

Question 28 :
Given below are the names of some objects and materials : Water, basketball, orange, sugar, globe, apple and earthen pitcher Group them as round shaped.

Question 29 :
State True or False: Butter was once part of living thing.

Question 30 :
Fill in the blank: The presence of specific features, which enable a plant or an animal to live in a particular habitat, is called_____.