20 Important MCQs on topic "Cell: The Unit of Life"
Here we will learn 100 MCQs on the topic "Cell – the Unit of Life," designed for different competitive exams like RRB NTPC, SSC CGL, SSC CHSL, SSC GD, WBCS, Clerkship and Miscellaneous etc. along with the correct answers.
Topic: Cell: The Unit of Life
We will distribute these 100 MCQs in five parts. Out of five parts of 100 MCQs on the topic "Cell: the Unit of Life," this is Part: 03.
[Part: 03]
Question Zone:
41. The process by which cells take in liquids is called:
A) Phagocytosis
B) Pinocytosis
C) Exocytosis
D) Osmosis
42. Which of the following is a membrane-bound organelle?
A) Ribosome
B) Mitochondria
C) Cytoskeleton
D) Centriole
43. In prokaryotes, the genetic material is located in:
A) Nucleus
B) Nucleoid
C) Plasmid
D) Ribosome
44. Which of the following statements is correct about prokaryotic cells?
A) They have membrane-bound organelles
B) They lack a true nucleus
C) They contain a Golgi apparatus
D) They have a well-defined nuclear membrane
45. Which of the following is not a component of the cytoskeleton?
A) Microtubules
B) Microfilaments
C) Intermediate filaments
D) Golgi bodies
46. Which type of RNA carries the genetic information from DNA to the ribosome?
A) tRNA
B) rRNA
C) mRNA
D) siRNA
47. The process by which a cell engulfs a solid particle is called:
A) Phagocytosis
B) Pinocytosis
C) Exocytosis
D) Osmosis
48. Which organelle helps in the synthesis of lipids and detoxification of drugs?
A) Rough endoplasmic reticulum
B) Smooth endoplasmic reticulum
C) Golgi apparatus
D) Mitochondria
49. The region within the nucleus where ribosomal RNA is synthesized is called:
A) Chromatin
B) Nucleolus
C) Centromere
D) Nuclear pore
50. What is the primary function of chloroplasts?
A) Cellular respiration
B) Lipid synthesis
C) Photosynthesis
D) Protein synthesis
51. In which structure of the cell are ribosomes assembled?
A) Cytoplasm
B) Nucleolus
C) Golgi apparatus
D) Lysosome
52. What is the process of water moving across a semi-permeable membrane called?
A) Diffusion
B) Osmosis
C) Active transport
D) Phagocytosis
53. Which of the following structures is involved in protein modification and packaging?
A) Endoplasmic reticulum
B) Ribosome
C) Golgi apparatus
D) Lysosome
54. The network of protein filaments that helps maintain the shape of a cell is called:
A) Endoplasmic reticulum
B) Cytoskeleton
C) Mitochondria
D) Cell membrane
55. Which of the following cell structures is found in animal cells but not in plant cells?
A) Cell wall
B) Centrioles
C) Chloroplasts
D) Central vacuole
56. What is the function of the endoplasmic reticulum?
A) Lipid and protein synthesis
B) Genetic material storage
C) Cellular respiration
D) Photosynthesis
57. Which of the following is involved in the transport of materials within the cell?
A) Endoplasmic reticulum
B) Ribosomes
C) Lysosomes
D) Nucleus
58. The organelles responsible for breaking down cellular waste are called:
A) Ribosomes
B) Lysosomes
C) Mitochondria
D) Chloroplasts
59. Which of the following is an example of a eukaryotic cell?
A) Bacteria
B) Amoeba
C) Virus
D) Mycoplasma
60. What type of cell division occurs in somatic cells?
A) Meiosis
B) Mitosis
C) Binary fission
D) Budding