Science MCQs

Practice multiple choice questions with instant feedback. Select an option to see if you're correct.

Total Questions
2100
Page 127 of 210
Question 1261 Easy

Why are ice cubes added during orange juice preparation?

A
To dilute the juice
B
To chill the juice instantly
C
To add water content
D
To grind the slices better
Question 1262 Easy

Which part of the drip system is inserted into the bottle through the lid?

A
The needle end
B
The other end of the drip pipe
C
The valve
D
The thread
Question 1263 Easy

What is the purpose of the 'cotton' in the stethoscope assembly?

A
To filter sound
B
To make the earpieces comfortable and hygienic
C
To hold the balloon in place
D
To decorate the tube
Question 1264 Easy

How does the height of the water tank benefit the sprinkler system?

A
It makes it visible
B
It uses gravity to create water pressure
C
It keeps water cool
D
It prevents evaporation
Question 1265 Easy

What is the state of mangoes used for making traditional pickle?

A
Ripe and sweet
B
Unripened and sour
C
Overripe and soft
D
Green and raw
Question 1266 Easy

Which tool is essential for making multiple small holes in the sprinkler bottle?

A
Scissors
B
Glue gun
C
Hot iron nail
D
Knife
Question 1267 Easy

What does the 'funnel' represent in the homemade stethoscope?

A
The human ear
B
The chest piece
C
The heart valves
D
The lungs
Question 1268 Easy

What is the primary function of a 'valve' or 'stopper' in the drip pipe?

A
To connect two pipes
B
To start or stop the water flow
C
To filter water
D
To hang the bottle
Question 1269 Easy

What is the purpose of adding 'honey' or 'sugar' to orange juice?

A
To act as a preservative
B
To add sweetness
C
To add color
D
To thicken the juice
Question 1270 Easy

What is the role of 'cinnamon' in the apple jam?

A
To act as the main preservative
B
To add a warm, spicy flavor
C
To add a brown color
D
To sweeten the jam
Showing 1261-1270 of 2100 questions

Quick Stats

Total Questions 10900
easy 5797
medium 2983
hard 2120

Practice Tips

Time Management

Practice with time limits for better preparation

Review Mistakes

Always check explanations for wrong answers

Track Progress

Monitor your improvement across subjects

Did You Know?

Practice Makes Perfect

Regular practice with MCQs can improve your test-taking speed and accuracy by up to 40%.

Active Recall

MCQs engage active recall, which is 50% more effective for long-term memory than passive reading.