About today's quiz
Biology — Beginner
A new quiz is published every day for this topic and level. Answer the questions, read the explanations, and complete the quiz to keep your streak alive.
Tips before you start
- •Read every question carefully before answering. Some questions include subtle wording that changes the correct answer.
- •Take your time on the first question. There is no time limit, but your total time is tracked for your statistics.
- •After each answer, read the explanation. Even correct answers often include useful context you might not know.
- •Come back tomorrow for a brand new quiz on the same topic. Daily practice is the most effective way to retain what you learn.
BeginnerScience
Today's questions
Today's quiz questions
These are the questions that make up today's quiz. Test your knowledge, see how much you know, and learn from the explanation behind every answer.
1.What is the powerhouse of the cell?
- •Mitochondria
- •Nucleus
- •Ribosome
- •Golgi apparatus
2.What are the five senses in humans?
- •Sight, hearing, touch, taste, and smell
- •Taste, touch, smell, memory, and intuition
- •Sight, hearing, taste, digestion, and breathing
- •Sight, hearing, touch, balance, and pain
3.What is the skeletal system's main function?
- •Regulating body temperature
- •Providing structure, protection, and support for the body
- •Producing hormones
- •Digesting food
4.What does 'endangered species' mean?
- •A species at risk of extinction
- •A species that exists only in captivity
- •A species that has already gone extinct
- •A species that is dangerous to humans
5.What gas do plants absorb from the atmosphere during photosynthesis?
- •Hydrogen
- •Nitrogen
- •Oxygen
- •Carbon dioxide
6.Which vitamin is produced when your skin is exposed to sunlight?
- •Vitamin D
- •Vitamin C
- •Vitamin B12
- •Vitamin A
7.What organ pumps blood throughout the body?
- •The heart
- •The lungs
- •The brain
- •The liver
8.What is the function of the heart?
- •To filter toxins from the blood
- •To pump blood throughout the body
- •To exchange gases with the air
- •To produce blood cells
9.Which of these is a mammal?
- •Shark
- •Penguin
- •Crocodile
- •Dolphin
10.What are herbivores?
- •Animals that eat decaying matter
- •Animals that eat both plants and meat
- •Animals that eat only plants
- •Animals that eat only meat