Science MCQs

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

Total Questions
2100
Page 124 of 210
Question 1231 Easy

What is used to wrap the funnel in a stethoscope?

A
Cotton
B
Plastic tube
C
Balloon
D
Thread
Question 1232 Easy

Which method is used to preserve food by removing water?

A
Adding salt
B
Sealing
C
Drying
D
Adding sugar
Question 1233 Easy

What is the purpose of the valve in a drip irrigation pipe?

A
To connect pipes
B
To control water flow
C
To hang the bottle
D
To make holes
Question 1234 Easy

Which oil can be used in homemade sanitizer?

A
Cooking oil
B
Engine oil
C
Essential oil
D
Crude oil
Question 1235 Easy

What is the function of the Y-shaped tube in the stethoscope?

A
To hold the funnel
B
To connect ear tubes
C
To amplify sound
D
To decorate
Question 1236 Easy

Which substance is common in both sanitizer recipes?

A
Glycerin
B
Aloe vera
C
Alcohol
D
Essential oil
Question 1237 Easy

What is used to heat the spices in onion pickle preparation?

A
Microwave
B
Oven
C
Saucepan
D
Grinder
Question 1238 Easy

How is the stethoscope used?

A
Place funnel on chest and earpieces in ears
B
Place funnel on ears
C
Place earpieces on chest
D
Place Y-tube on chest
Question 1239 Easy

What is the main component of a sprinkler system besides pipes?

A
Water tank
B
Grinder
C
Stethoscope
D
Sanitizer
Question 1240 Easy

Which food item is preserved by adding acetic acid?

A
Apple jam
B
Orange juice
C
Lemon pickle
D
Onion pickle
Showing 1231-1240 of 2100 questions

Quick Stats

Total Questions 11450
easy 5797
medium 3533
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.