Science MCQs

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

Total Questions
2100
Page 149 of 210
Question 1481 Easy

What creates a pull helping water move up tall trees?

A
Root Pressure
B
Transpiration
C
Gravity
D
Capillarity
Question 1482 Easy

The waxy layer on leaves that reduces water loss is called?

A
Bark
B
Cuticle
C
Stomata
D
Midrib
Question 1483 Easy

Which plant part is known as the food factory?

A
Root
B
Stem
C
Leaf
D
Flower
Question 1484 Easy

Which vessel carries deoxygenated blood to the lungs?

A
Aorta
B
Pulmonary Artery
C
Pulmonary Vein
D
Coronary Artery
Question 1485 Easy

Which vessel carries oxygenated blood from the lungs?

A
Aorta
B
Pulmonary Artery
C
Pulmonary Vein
D
Vena Cava
Question 1486 Easy

Coronary arteries supply blood to the?

A
Lungs
B
Brain
C
Heart Muscle
D
Liver
Question 1487 Easy

A blockage in a coronary artery can cause a?

A
Stroke
B
Heart Attack
C
Asthma
D
Diabetes
Question 1488 Easy

Which is a symptom of a heart attack?

A
Chest Pain
B
Headache
C
Rash
D
All of these
Question 1489 Easy

Which factor increases the risk of high blood pressure?

A
Low salt diet
B
Exercise
C
Smoking
D
Fiber intake
Question 1490 Easy

Which is a symptom of diabetes?

A
Frequent Urination
B
Weight Gain
C
Low Thirst
D
Slow Healing
Showing 1481-1490 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.