1.What is the basic unit of life?
A) Atom
B) Molecule
C) Cell
D) Tissue
Answer: C) Cell
2. Which macromolecule is primarily responsible for storing genetic information?
A) Carbohydrates
B) Proteins
C) Lipids
D) DNA
Answer: D) DNA
3. In which organelle does cellular respiration occur?
A) Chloroplast
B) Mitochondrion
C) Golgi apparatus
D) Ribosome
Answer: B) Mitochondrion
4. Which of the following is not a type of RNA?
A) mRNA
B) tRNA
C) rRNA
D) dRNA
Answer: D) dRNA
5. What is the powerhouse of the cell?
A) Ribosome
B) Nucleus
C) Mitochondrion
D) Endoplasmic reticulum
Answer: C) Mitochondrion
6. What is the process by which green plants produce their own food?
A) Respiration
B) Photosynthesis
C) Fermentation
D) Transpiration
Answer: B) Photosynthesis
7. Which blood cells help fight infections?
A) Red blood cells
B) Platelets
C) White blood cells
D) Plasma
Answer: C) White blood cells
8. What is the structural and functional unit of the nervous system?
A) Nephron
B) Neuron
C) Axon
D) Dendrite
Answer: B) Neuron
9. Which organ in the human body produces insulin?
A) Liver
B) Pancreas
C) Kidney
D) Spleen
Answer: B) Pancreas
10. Which gas is released during photosynthesis?
A) Carbon dioxide
B) Oxygen
C) Nitrogen
D) Hydrogen
Answer: B) Oxygen