UNIT OF LIFE MCQS

Here Are 50 Multiple-Choice Questions (Mcqs) Based On The

UNIT OF LIFE
Indian Syllabus



**1. What is the basic structural and functional unit of life?**

a) Cell

b) Tissue

c) Organ

d) Organism

**Answer: a) Cell**



**2. Who is credited with the discovery of cells?**

a) Robert Hooke

b) Anton van Leeuwenhoek

c) Louis Pasteur

d) Gregor Mendel

**Answer: a) Robert Hooke**



**3. Which cell organelle is responsible for energy production?**

a) Nucleus

b) Mitochondria

c) Golgi apparatus

,d) Endoplasmic reticulum

**Answer: b) Mitochondria**



**4. Which type of cells lack a well-defined nucleus?**

a) Prokaryotic cells

b) Eukaryotic cells

c) Animal cells

d) Plant cells

**Answer: a) Prokaryotic cells**



**5. What is the function of ribosomes in a cell?**

a) Synthesizing lipids

b) Protein synthesis

c) Energy production

d) DNA replication

**Answer: b) Protein synthesis**



**6. Which cell organelle is responsible for detoxification and lipid metabolism?**

a) Lysosome

b) Peroxisome

c) Nucleus

d) Chloroplast

, **Answer: b) Peroxisome**



**7. Which organelle is responsible for modifying, packaging, and distributing
proteins?**

a) Mitochondria

b) Lysosome

c) Golgi apparatus

d) Endoplasmic reticulum

**Answer: c) Golgi apparatus**



**8. Which cell organelle contains digestive enzymes and is involved in cell waste
disposal?**

a) Nucleus

b) Ribosome

c) Lysosome

d) Vacuole

**Answer: c) Lysosome**



**9. Which of the following is found only in plant cells and not in animal cells?**

a) Mitochondria

b) Centrioles

c) Nucleus