Biology Basics

Test your knowledge on fundamental concepts in biology, from cell structure to organ functions and biological processes.

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Questions 20

Answers

1
What is the role of enzymes?
Slow down reactions
Transport nutrients
Speed up reactions
Store energy
2
What is the function of ribosomes?
Cell division
Energy production
Protein synthesis
DNA replication
3
What is the main component of cell membranes?
Proteins
Carbohydrates
Nucleic acids
Lipids
4
Which process converts sunlight into energy?
Transpiration
Respiration
Fermentation
Photosynthesis
5
Which type of cell carries oxygen?
Nerve cells
Platelets
Red blood cells
White blood cells
6
What is the basic unit of life?
Cell
Atom
Tissue
Molecule
7
What is the powerhouse of the cell?
Mitochondria
Ribosome
Nucleus
Chloroplast
8
True or false: Humans have 24 pairs of chromosomes.
True
False
9
Which part of the brain controls balance?
Brainstem
Thalamus
Cerebrum
Cerebellum
10
Which part of the cell contains DNA?
Ribosome
Cell membrane
Cytoplasm
Nucleus
11
What is the role of chlorophyll?
Transport nutrients
Absorb sunlight
Release oxygen
Store water
12
Which organ filters blood?
Kidney
Liver
Lung
Heart
13
Which process involves cell division?
Metabolism
Osmosis
Diffusion
Mitosis
14
Which organ is responsible for breathing?
Liver
Lungs
Heart
Kidneys
15
Which blood cells fight infections?
White blood cells
Red blood cells
Platelets
Plasma
16
Which vitamin is produced by sunlight?
Vitamin C
Vitamin E
Vitamin D
Vitamin A
17
What is the largest organ in the body?
Liver
Skin
Lung
Heart
18
What is DNA's full form?
Deoxyribose Nucleic Acid
Dioxyribose Nucleic Acid
Deoxyribonucleic Acid
Dioxyribonucleic Acid
19
What is the main function of the heart?
Filtering waste
Pumping blood
Digesting food
Producing hormones
20
What is the function of the liver?
Filter toxins
Pump blood
Control temperature
Digest food

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