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Read the given paragraph where few words have been italicised.
To test the presence of proteins in food sample, take some crushed food item in a test tube and add required amount of water to it. Then, add two drops of copper sulphate solution and ten drops of caustic soda solution to the test tube and shake it well. Leave the test tube undisturbed for few minutes and observe the colour change. If the colour of the food sample turns red then it indicates presence of proteins in the food sample.
Select the correct option regarding it.

A Proteins should be replaced with carbohydrates and caustic soda should be replaced with iodine.
B Positions of two and ten should be interchanged as they are mentioned incorrectly.
C Water should not be replaced and red should be replaced with violet.
D Water should be replaced with ethanol and red should be replaced with yellow.

Read the given statements and select the correct option.
Statement 1: Science is like a big puzzle.
Statement 2: Every new discoveries we make in science are like adding another piece to a puzzle.

A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true but statement 2 is false.
D Both statements 1 and 2 are false.

Identify the type of simple machine shown in the given figure and select the option which is a similar type of simple machine.


A
B
C
D

The phenomenon of movement of certain species from their habitats to some other areas following seasonal pattern is called

A Poaching
B Migration
C Endemism
D Extinction

Which of the following statements are correct?
1. Clothes should always be washed with harsh detergents to ensure cleanliness.
2. Silk clothes should be dry-cleaned or washed with gentle soap to avoid damage.
3. Torn clothes should be left as they are until they become beyond repair.
4. Baby clothes should be washed with an antiseptic solution to keep them germ-free.
5. Mothballs or dried neem leaves should be used to store woollen and silk clothes to prevent insect damage.

A 1, 3 and 4 only
B 2, 4 and 5 only
C 1, 2 and 5 only
D 1, 2 and 3 only

Which of the following groups contains only natural fibres?

A Wool, jute and polyester
B Nylon, silk and cotton
C Cotton, jute and wool
D Silk, nylon and linen

Based on the traditional attire shown, identify the region or culture and choose the correct option.

Manoj visits the local market to buy raw materials for his cloth business. He needs two types of fibres:
Fibre X: A strong plant-based fibre used for making sacks for carrying heavy items.
Fibre Y: A cool and breathable natural fibre that is ideal for making summer garments.
Which of the following option correctly identifies fibre X and Y?

Refer to the given diagram and select the correct option for X.


A Carrot
B Sugarcane
C Lettuce
D Broccoli

Refer to the information given in the box and select the correct option.
I am a nutrient that helps to make your bones and teeth strong.
I am found in dairy products, cheese, etc.
What does ‘I’ represent?

A Calcium
B Iron
C Vitamin C
D Iodine