Timed Challenge - Answer & Submit | GK Mania

1 What is the average lifespan of a human red blood cell?

A) 120 days

B) 200 days

C) 30 days

D) 60 days

2 What vitamin prevents night blindness?

A) Vitamin B

B) Vitamin A

C) Vitamin C

D) Vitamin D

3 What organelle makes energy for the cell?

A) Nucleus

B) Lysosome

C) Ribosome

D) Mitochondria

4 What structure separates the left and right sides of the heart?

A) Atrium

B) Aorta

C) Septum

D) Valve

5 What organ filters waste from the blood?

A) Spleen

B) Liver

C) Pancreas

D) Kidneys

6 What is bioremediation?

A) Using microorganisms to clean

B) Growing food in labs

C) Building biological robots

D) Creating new medicines

7 What is the job of the skeleton?

A) Fight disease

B) Pump blood

C) Digest food

D) Support and

8 What is circadian rhythm?

A) A type of heartbeat

B) roughly 24-hour

C) A digestive cycle

D) A breathing pattern

9 What is the largest organ inside the human body?

A) Brain

B) Heart

C) Liver

D) Stomach

10 What is the largest known organism?

A) Honey fungus

B) Sequoia

C) Blue whale

D) Aspen clone

Quiz

1 What is the average lifespan of a human red blood cell?

2 What vitamin prevents night blindness?

3 What organelle makes energy for the cell?

4 What structure separates the left and right sides of the heart?

5 What organ filters waste from the blood?

6 What is bioremediation?

7 What is the job of the skeleton?

8 What is circadian rhythm?

9 What is the largest organ inside the human body?

10 What is the largest known organism?

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Quiz

1 What is the average lifespan of a human red blood cell?

2 What vitamin prevents night blindness?

3 What organelle makes energy for the cell?

4 What structure separates the left and right sides of the heart?

5 What organ filters waste from the blood?

6 What is bioremediation?

7 What is the job of the skeleton?

8 What is circadian rhythm?

9 What is the largest organ inside the human body?

10 What is the largest known organism?

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Quiz Results