Who is known as the father of the cell theory?
a) Louis Pasteur
b) Robert Hooke
c) Theodor Schwann
d) Matthias Schleiden ✔️ Answer: b) Robert Hooke
Which of the following is the basic structural and functional unit of life?
a) Organ
b) Tissue
c) Cell
d) Organism ✔️ Answer: c) Cell
Which organelle is known as the powerhouse of the cell?
a) Nucleus
b) Chloroplast
c) Mitochondria
d) Ribosome ✔️ Answer: c) Mitochondria
The plasma membrane is primarily made up of:
a) Proteins
b) Lipids and proteins
c) Carbohydrates
d) Nucleic acids ✔️ Answer: b) Lipids and proteins
Which of the following is found in plant cells but not in animal cells?
a) Mitochondria
b) Chloroplast
c) Endoplasmic reticulum
d) Ribosome ✔️ Answer: b) Chloroplast
Which structure in the cell is responsible for protein synthesis?
a) Nucleus
b) Ribosome
c) Mitochondria
d) Golgi apparatus ✔️ Answer: b) Ribosome
Which part of the cell contains the genetic material?
a) Cytoplasm
b) Nucleus
c) Mitochondria
d) Endoplasmic reticulum ✔️ Answer: b) Nucleus
Which of the following is true about prokaryotic cells?
a) They have a well-defined nucleus
b) They lack a nucleus
c) They have membrane-bound organelles
d) They have linear DNA ✔️ Answer: b) They lack a nucleus
The function of the Golgi apparatus is to:
a) Synthesize proteins
b) Produce energy
c) Package and transport proteins
d) Store genetic information ✔️ Answer: c) Package and transport proteins
Which of the following organelles is involved in the production of ribosomes?
a) Mitochondria
b) Nucleolus
c) Golgi apparatus
d) Smooth endoplasmic reticulum ✔️ Answer: b) Nucleolus
Which of the following is a characteristic feature of eukaryotic cells?
a) Lack of nucleus
b) Presence of membrane-bound organelles
c) Small size
d) Presence of a single chromosome ✔️ Answer: b) Presence of membrane-bound organelles
What is the function of lysosomes in the cell?
a) Protein synthesis
b) Energy production
c) Digestion of waste materials
d) Transport of materials ✔️ Answer: c) Digestion of waste materials
The outermost boundary of the animal cell is called:
a) Plasma membrane
b) Nucleus
c) Cell wall
d) Cytoplasm ✔️ Answer: a) Plasma membrane
What structure controls the movement of substances in and out of the cell?
a) Mitochondria
b) Plasma membrane
c) Cytoplasm
d) Nucleus ✔️ Answer: b) Plasma membrane
What is the function of chloroplasts in plant cells?
a) Protein synthesis
b) Storage of food
c) Photosynthesis
d) Digestion of waste materials ✔️ Answer: c) Photosynthesis