The Ultimate Biology Brainstorm: 20 Questions on Life Sciences

Question 1: What is the basic unit of life?

A) Atom

B) Cell

C) Molecule

Reveal Answer

Question 2: Which organelle is known as the powerhouse of the cell?

A) Nucleus

B) Mitochondria

C) Endoplasmic reticulum

Reveal Answer

Question 3: What is the process by which plants make their own food?

A) Photosynthesis

B) Respiration

C) Fermentation

Reveal Answer

Question 4: Which molecule carries genetic information?

A) RNA

B) DNA

C) Protein

Reveal Answer

Question 5: What is the name of the process by which cells divide to produce new cells?

A) Mitosis

B) Meiosis

C) Binary fission

Reveal Answer

Question 6: Which blood cells are responsible for carrying oxygen?

A) White blood cells

B) Red blood cells

C) Platelets

Reveal Answer

Question 7: What is the name of the bond that holds amino acids together?

A) Ionic bond

B) Peptide bond

C) Hydrogen bond

Reveal Answer

Question 8: Which part of the brain is responsible for regulating heart rate and breathing?

A) Cerebrum

B) Cerebellum

C) Medulla oblongata

Reveal Answer

Question 9: What is the term for an organism that can live without oxygen?

A) Aerobic

B) Anaerobic

C) Apathetic

Reveal Answer

Question 10: Which vitamin is produced by the human skin in response to sunlight?

A) Vitamin A

B) Vitamin B

C) Vitamin D

Reveal Answer

Question 11: What is the largest organ in the human body?

A) Liver

B) Skin

C) Heart

Reveal Answer

Question 12: Which structure in the cell is responsible for organizing the mitotic spindle?

A) Golgi apparatus

B) Centrosome

C) Lysosome

Reveal Answer

Question 13: What is the name of the process by which bacteria exchange genetic material?

A) Conjugation

B) Transduction

C) Transformation

Reveal Answer

Question 14: Which type of cell lacks a nucleus?

A) Eukaryotic cell

B) Prokaryotic cell

C) Both A and B

Reveal Answer

Question 15: What is the main component of the cell walls of plants?

A) Cellulose

B) Chitin

C) Peptidoglycan

Reveal Answer

Question 16: Which hormone regulates blood sugar levels?

A) Insulin

B) Adrenaline

C) Cortisol

Reveal Answer

Question 17: What is the term for a group of organisms of the same species living in the same area?

A) Community

B) Population

C) Ecosystem

Reveal Answer

Question 18: Which structure is responsible for the green color of plants?

A) Chlorophyll

B) Carotenoids

C) Xanthophyll

Reveal Answer

Question 19: What is the name of the enzyme that synthesizes DNA?

A) Helicase

B) DNA polymerase

C) Ligase

Reveal Answer

Question 20: What is the term for the variety of life in the world or in a particular habitat or ecosystem?

A) Biodiversity

B) Biogeography

C) Biomagnification

Reveal Answer