Ad52Post -

📘 Study MCQs

Q1. What is the basic unit of life? NEET 2027

• Tissue👍

• Organ👍

• Cell👍

• Atom👍

Cell

The cell is considered the basic structural and functional unit of life.

Q2. Which gas is essential for human respiration? NEET 2027

• Nitrogen👍

• Oxygen👍

• Carbon dioxide👍

• Helium👍

Oxygen

Oxygen is required by body cells to release energy from food during respiration.

Q3. Which planet is known as the Red Planet? NEET 2027

• Venus👍

• Jupiter👍

• Mars👍

• Saturn👍

Mars

Mars appears reddish due to iron oxide (rust) present on its surface.

Q4. What is the chemical formula of water? NEET 2027

• CO₂👍

• H₂O👍

• O₂👍

• NaCl👍

H₂O

Water is made up of two hydrogen atoms and one oxygen atom.

Q5. Which blood group is called the universal donor? NEET 2027

• A👍

• B👍

• AB👍

• O negative👍

O negative

O negative blood can be donated to people of all blood groups in emergencies.

Q6. Which organ pumps blood throughout the human body? NEET 2027

• Brain👍

• Liver👍

• Heart👍

• Kidney👍

Heart

The heart continuously pumps blood to supply oxygen and nutrients to body tissues.

Q7. Which vitamin is mainly produced in the skin by sunlight? NEET 2027

• Vitamin A👍

• Vitamin B12👍

• Vitamin C👍

• Vitamin D👍

Vitamin D

Sunlight helps the skin synthesize Vitamin D, which is important for healthy bones.

Q8. Which part of the plant carries water from roots to leaves? NEET 2027

• Phloem👍

• Xylem👍

• Stomata👍

• Cortex👍

Xylem

Xylem tissue transports water and minerals from the roots to different parts of the plant.

Q9. What is the normal boiling point of water at sea level? NEET 2027

• 50°C👍

• 75°C👍

• 100°C👍

• 150°C👍

100°C

At standard atmospheric pressure, water boils at 100 degrees Celsius.

Q10. Which scientist proposed the theory of evolution by natural selection? NEET 2027

• Isaac Newton👍

• Albert Einstein👍

• Charles Darwin👍

• Galileo Galilei👍

Charles Darwin

Charles Darwin explained evolution through the process of natural selection.