Biology Challenge: Test Your Brainpower with 40 Smart Questions
1. What is the basic unit of life?
A. Atom
B. Molecule
C. Cell
D. Tissue
2. Which organelle is responsible for energy production in a cell?
A. Nucleus
B. Ribosome
C. Mitochondrion
D. Golgi apparatus
3. DNA stands for:
A. Deoxyribonucleic acid
B. Deoxyribose nuclear acid
C. Dinucleic acid
D. Dual nucleic acid
4. What process converts glucose into energy in cells?
A. Photosynthesis
B. Respiration
C. Fermentation
D. Hydrolysis
5. Which of the following is not found in prokaryotic cells?
A. Cell membrane
B. Ribosomes
C. Nucleus
D. Cytoplasm
6. The primary function of red blood cells is:
A. Fight infection
B. Transport oxygen
C. Carry nutrients
D. Clot blood
7. Which macromolecule is responsible for storing genetic information?
A. Carbohydrate
B. Lipid
C. Protein
D. Nucleic acid
, 8. What is the name of the pigment that makes plants green?
A. Hemoglobin
B. Keratin
C. Chlorophyll
D. Melanin
9. Which human organ filters blood and produces urine?
A. Liver
B. Kidney
C. Heart
D. Pancreas
10. In humans, how many chromosomes are in a normal body cell?
A. 23
B. 46
C. 44
D. 22
11. Which system regulates hormones in the body?
A. Nervous
B. Circulatory
C. Endocrine
D. Excretory
12. Which part of the brain controls balance?
A. Cerebrum
B. Medulla
C. Cerebellum
D. Hypothalamus
13. The building blocks of proteins are:
A. Fatty acids
B. Monosaccharides
C. Amino acids
D. Nucleotides
14. What kind of blood cells help fight infections?
A. Platelets
B. White blood cells
C. Red blood cells
D. Plasma cells
15. Which of these organisms is a decomposer?
1. What is the basic unit of life?
A. Atom
B. Molecule
C. Cell
D. Tissue
2. Which organelle is responsible for energy production in a cell?
A. Nucleus
B. Ribosome
C. Mitochondrion
D. Golgi apparatus
3. DNA stands for:
A. Deoxyribonucleic acid
B. Deoxyribose nuclear acid
C. Dinucleic acid
D. Dual nucleic acid
4. What process converts glucose into energy in cells?
A. Photosynthesis
B. Respiration
C. Fermentation
D. Hydrolysis
5. Which of the following is not found in prokaryotic cells?
A. Cell membrane
B. Ribosomes
C. Nucleus
D. Cytoplasm
6. The primary function of red blood cells is:
A. Fight infection
B. Transport oxygen
C. Carry nutrients
D. Clot blood
7. Which macromolecule is responsible for storing genetic information?
A. Carbohydrate
B. Lipid
C. Protein
D. Nucleic acid
, 8. What is the name of the pigment that makes plants green?
A. Hemoglobin
B. Keratin
C. Chlorophyll
D. Melanin
9. Which human organ filters blood and produces urine?
A. Liver
B. Kidney
C. Heart
D. Pancreas
10. In humans, how many chromosomes are in a normal body cell?
A. 23
B. 46
C. 44
D. 22
11. Which system regulates hormones in the body?
A. Nervous
B. Circulatory
C. Endocrine
D. Excretory
12. Which part of the brain controls balance?
A. Cerebrum
B. Medulla
C. Cerebellum
D. Hypothalamus
13. The building blocks of proteins are:
A. Fatty acids
B. Monosaccharides
C. Amino acids
D. Nucleotides
14. What kind of blood cells help fight infections?
A. Platelets
B. White blood cells
C. Red blood cells
D. Plasma cells
15. Which of these organisms is a decomposer?
