If you’re seeking multiple-choice questions MCQ on Class 4 EVS Internal Organs , you’ve come to the right place. Here are some multiple-choice questions (MCQs) based on the chapter, along with their answers:
Which organ controls the entire function of our body?
- Heart
- Brain
- Liver
- Lungs
Answer: b) Brain
Where does most of the digestion take place?
- Stomach
- Liver
- Small intestine
- Large intestine
Answer: a) Stomach
How many times does the heart beat in a minute on average?
- 60
- 70
- 72
- 80
Answer: c) 72
What color are arteries and what do they carry?
- Blue, oxygenated blood
- Red, deoxygenated blood
- Red, oxygenated blood
- Blue, deoxygenated blood
Answer: c) Red, oxygenated blood
What is the largest gland in the body?
- Stomach
- Heart
- Lungs
- Liver
Answer: d) Liver
What process takes place in the lungs?
- Digestion
- Gas exchange
- Blood filtration
- Nutrient absorption
Answer: b) Gas exchange
How many kidneys does a person typically have?
- One
- Two
- Three
- Four
Answer: b) Two
What do kidneys filter from the blood?
- Oxygen and carbon dioxide
- Water and salts
- Nutrients and fats
- Hormones and enzymes
Answer: b) Water and salts
How long is the small intestine?
- 10 feet
- 15 feet
- 20 feet
- 25 feet
Answer: c) 20 feet
Where is bile juice sent from and where does it go?
- Stomach to liver
- Liver to stomach
- Heart to lungs
- Kidneys to bladder
Answer: b) Liver to stomach
Which organ is protected by the rib cage and helps in breathing?
- Liver
- Kidneys
- Lungs
- Heart
Answer: c) Lungs
What is the function of the large intestine?
- Digest food
- Absorb nutrients
- Absorb water and create stool
- Pump blood
Answer: c) Absorb water and create stool
Which organ is described as a muscular, elastic, pear-shaped bag?
- Heart
- Liver
- Stomach
- Bladder
Answer: c) Stomach
What does the brain store and help us to do?
- Pump blood
- Filter toxins
- Think and learn new things
- Digest food
Answer: c) Think and learn new things
Which organ breaks down fats and controls blood sugar?
- Heart
- Liver
- Kidneys
- Stomach
Answer: b) Liver
What is the primary function of the heart?
- Digest food
- Control emotions
- Circulate blood
- Filter toxins
Answer: c) Circulate blood
How are veins different from arteries in appearance and function?
- Veins are red and carry oxygenated blood; arteries are blue and carry deoxygenated blood.
- Veins are blue and carry deoxygenated blood; arteries are red and carry oxygenated blood.
- Veins are blue and carry oxygenated blood; arteries are red and carry deoxygenated blood.
- Veins are red and carry deoxygenated blood; arteries are blue and carry oxygenated blood.
Answer: b) Veins are blue and carry deoxygenated blood; arteries are red and carry oxygenated blood.
Where does gas exchange take place in our body?
- Heart
- Liver
- Lungs
- Stomach
Answer: c) Lungs
Which organ is a pair of bean-shaped structures?
- Heart
- Lungs
- Kidneys
- Liver
Answer: c) Kidneys
What happens during inhalation and exhalation in the lungs?
- Inhalation: lungs contract; Exhalation: lungs expand
- Inhalation: lungs expand; Exhalation: lungs contract
- Inhalation: lungs filter blood; Exhalation: lungs pump blood
- Inhalation: lungs absorb food; Exhalation: lungs release waste
Answer: b) Inhalation: lungs expand; Exhalation: lungs contract
