class-4-Science-Our Necessicities

0

class-4-Science-Our Necessicities

1 / 20
The silk fibre was invented by :
Japanese
Egyptians
Indians
Chinese

2 / 20
Bricks are baked in :
Electric oven
Furnaces
Open furnaces
Kilns

3 / 20
An important tool in taking body measurement is :
Measuring tape
Tracing wheel
Thread
Scale

4 / 20
Eskimos use :
Bullet proofs
Fur
Robes
Helmets

5 / 20
The moisture absorption is :
6%
8.5%
8%
9.5 %

6 / 20
In which century were synthetic yarns introduced ?
16th
10th
19th
20th

7 / 20
In Japan houses are usually made of wood because :
The Japanese are nomadic
It is cool inside a wooden house
Of frequent earthquakes
It is very cheap

8 / 20
Clothes are mainly used :
For comfort and protection
All of these
To be attractive
To cover the body

9 / 20
Existing weather conditions determine the :
All of the above
Material used for the house in an area
Design of the house in an area
Shape of the house in an area

10 / 20
Cotton plant is :
Hard
Lengthy
Bushy
Shallow

11 / 20
Artificial silk is :
Acrylic
Polyester
Rayon
Acetate

12 / 20
Cotton plant is :
It contains crystalline fibre
t has a cellulose layer
All the above
It is hydrophilic in nature

13 / 20
Cotton buds blossom in :
21 days
24 day
23 days
20 days

14 / 20
Polyester is referred to as :
Cellulose acetate
Dupont
Acrylic
Work horse

15 / 20
Which of these fibres is/are strong and lustrous ?
Silk
Linen
Wool
Cotton

16 / 20
An elevated house on bamboo poles is usually made in places :
Where there is fear of theft
Where it is very warm
Where it snows
Where floods occur due to heavy rains

17 / 20
Slanting roofs :
Collect snow
Keep the house hot and warm
Do not collect snow and rain water
Collect rain water

18 / 20
Insignias mean :
Uniforms
Fur
Decoration
Badges

19 / 20
To protect the house from the influence of weather, it should be coated with :
Spray of kerosene
Dung cake
Paint
Mud and straw

20 / 20
Football players wear :
Robes
Fur
Protective padding
Asbestos clothing

Your score is
The average score is 0%
0%