The Fundamental Unit Of Life - Cell

Comprehensive quiz covering cell structure, organelles and their functions, cell membranes, cell walls, unicellular organisms, and cellular transport processes.

30 Questions Published

Questions

Question 1 Multiple Choice (Single Answer)

Cell was discovered by ______________ in the year 1665.

  1. Anton von Leeuwenhoek
  2. Robert Hooke
  3. J. E. Purkinje
  4. Haeckel
  5. Jakob Matthias Scleiden
Question 2 Multiple Choice (Single Answer)

Which of the following statements is/are false?

A. Protista is the basic structural and fundamental unit of living organisms.
B. All cells employ DNA as their genetic material.
C. All the cells are surrounded by a plasma membrane.

  1. Only A
  2. Only B
  3. Only C
  4. Both A and B
  5. Both B and C
Question 3 Multiple Choice (Single Answer)

Which of the following is absent in a prokaryotic cell?

  1. Flagellum
  2. Pilus
  3. Ribosome
  4. Nucleolus
  5. Plasma membrane
Question 4 Multiple Choice (Single Answer)

Which of the following scientists invented a revolutionary method of staining individual nerve and cell structures?

  1. R. Virchow
  2. Camillo Golgi
  3. Theodor Schwann
  4. Haeckel
  5. J. E. Purkinje
Question 5 Multiple Choice (Single Answer)

Which of the following statements regarding a cell wall is false?

  1. It occurs in a plant cell.
  2. It lies inside a cell.
  3. It is non-living and quite thick in plant cells.
  4. It is formed of cellulose, hemicellulose and pectin.
  5. Its function is to provide protection and strength to a cell.
Question 6 Multiple Choice (Single Answer)

Which of the following organelles plays an important role in the synthesis of proteins?

  1. Golgi apparatus
  2. Mitochondria
  3. Lysosome
  4. Ribosome
  5. Plastid
Question 7 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. The colloidal ground substance of cytoplasm is called endoplasm.
b. Nucleus, mitochondria and plastids are covered by two membranes.
c. Viruses are neither prokaryotic nor eukaryotic.

  1. Only a
  2. Both a and b
  3. Only b
  4. Both b and c
  5. Only c
Question 8 Multiple Choice (Single Answer)

Which of the following is not a unicellular organism?

  1. Archaebacteria
  2. Eubacteria
  3. Amoeba
  4. Yeast
  5. Human body
Question 9 Multiple Choice (Single Answer)

The cell walls of adjacent cells are glued together by the middle lamella. Middle lamella is a jelly-like substance made up of __________ and magnesium pectate.

  1. sodium
  2. calcium
  3. proteins
  4. carbohydrates
  5. lipids
Question 10 Multiple Choice (Single Answer)

The cell wall in a plant cell is composed of

  1. cellulose
  2. glucose
  3. proteins
  4. starch
  5. lipids
Question 11 Multiple Choice (Single Answer)

Which of the following organisms has an irregular shape?

  1. Paramecium
  2. Elphidium
  3. Euglena
  4. Amoeba
  5. None of these
Question 12 Multiple Choice (Single Answer)

Which of the following statements is/are true for lysosomes?

a. Lysosomes are known as 'suicide bags' of cells.
b. Lysosomes are known as 'powerhouse' of a cell.
c. They are known as 'digestive bags' of a cell.

  1. Only a and c
  2. Only a and b
  3. Only b
  4. Only b and c
  5. a, b and c
Question 13 Multiple Choice (Single Answer)

Which of the following cells is the longest?

  1. Muscle cell
  2. Nerve cell
  3. Goblet cell
  4. Diatom
  5. Fibroblast
Question 14 Multiple Choice (Single Answer)

Which of the following is regarded as a semiautonomous organelle?

  1. Mitochondria
  2. Golgi apparatus
  3. Vacuole
  4. Peroxisome
  5. Centrosome
Question 15 Multiple Choice (Single Answer)

Plasma membrane is the outermost covering of the cell that separates the contents of the cell from its external environment. This membrane is

  1. impermeable
  2. selective permeable
  3. permeable
  4. mucous membrane
  5. None of these
Question 16 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. The chromatin is condensed into two or more thick rod-like chromosomes during the division of the cell.
b. The nucleus represents the whole eukaryotic complex that contains genetic information.
c. The nucleolus is covered by a membrane called the plasma membrane.

  1. Only a
  2. Both a and b
  3. Only b
  4. Both b and c
  5. Only c
Question 17 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. The smooth endoplasmic reticulum helps in the manufacture of lipids, which are important for cell functioning.
b. The smooth endoplasmic reticulum plays a crucial role in detoxifying many poisons and drugs.
c. Organs are made up of organelles. Organelles comprise of cells and cells are made up of tissues.

  1. Only a
  2. Both a and b
  3. Only b
  4. Both b and c
  5. Only c
Question 18 Multiple Choice (Single Answer)

The chromatin material is a thin, thread-like intertwined mass of chromosome material and is composed of the genetic substance ________ and proteins.

  1. DNA
  2. RNA
  3. ribosome
  4. vacuole
  5. granum
Question 19 Multiple Choice (Single Answer)

Which of the following is not a function of the endoplasmic reticulum?

  1. It forms supporting skeletal framework of the cell.
  2. Rough ER is concerned with the transport of proteins.
  3. Certain enzymes present in the smooth ER synthesise fats, steroids and cholesterol.
  4. It produces vacuoles which contain cellular secretion.
  5. ER provides a pathway for the distribution of nuclear material from one cell to the other.
Question 20 Multiple Choice (Single Answer)

Which of the following organelles is called digestive bag?

  1. Mitochondrion
  2. Golgi apparatus
  3. Ribosome
  4. Endoplasmic recticulum
  5. Lysosome
Question 21 Multiple Choice (Single Answer)

Which of the following cells is spindle-shaped?

  1. Smooth muscle fiber
  2. Nerve cell
  3. Chromatophore
  4. Erythrocyte
  5. Pigment cell
Question 22 Multiple Choice (Single Answer)

Which of the following is also known as 'sucide bag' of a cell?

  1. Lysosome
  2. Mitochondria
  3. Golgi apparatus
  4. Chloroplast
  5. Ribosome
Question 23 Multiple Choice (Single Answer)

Which of the following statements regarding chloroplasts is false?

  1. They occur in the cells of green photosynthetic parts of plants.
  2. Their inner membrane forms flattened sacs called thylakoids.
  3. They trap solar energy and convert it into chemical energy.
  4. They consume O2 and liberate CO2.
  5. They synthesise food by photosynthesis.
Question 24 Multiple Choice (Single Answer)

Match the following

a. Diffusion 1. The process of ingestion of material by the cell through the plasma membrane
b. Endocytosis 2. The process by which substances like carbon dioxide, oxygen, etc. move across the plasma membrane
c. Osmosis 3. The spontaneous movement of water molecules through a selectively permeable membrane
  1. a - 3, b - 1, c - 2
  2. a - 3, b - 2, c - 1
  3. a - 1, b - 2, c - 3
  4. a - 2, b - 1, c - 3
  5. a - 2, b - 3, c - 1
Question 25 Multiple Choice (Single Answer)

Match the following:

 
a. Plasma membrane 1. are thread-like structures usually present in the nucleus that become visible only during cell division
b. Chromosomes 2. are the dense, spherical and grannular particles which occur freely in the matrix or remain attached to the endoplasmic reticulum
c. Ribosomes 3. is a living, thin, delicate, elastic and selective permeable membrane
  1. a - 3, b - 2, c - 1
  2. a - 1, b - 2, c - 3
  3. a - 1, b - 3, c - 2
  4. a - 2, b - 1, c - 3
  5. a - 3, b - 1, c - 2
Question 26 Multiple Choice (Single Answer)

Match the following

a. Plasmodesmata 1. is the connecting layer between two adjacent plant cells
b. Middle lamella 2. is the thin protoplasmic projection connecting two adjacent plant cells
c. Tonoplast 3. is the membrane of a vacuole in a plant cell
  1. a - 2, b - 3, c - 1
  2. a - 1, b - 2, c - 3
  3. a - 2, b - 1, c - 3
  4. a - 3, b - 1, c - 2
  5. a - 1, b - 3, c - 2
Question 27 Multiple Choice (Single Answer)

Match the following:

 
a. Mitochondria 1. consists of a system of membrane-bound vesicles arranged approximately parallel to each other in stacks
b. Lysosomes 2. an organelle in which the biochemical processes of respiration and energy production occur
c. Golgi apparatus 3. are a kind of waste disposal system of the cell that keep the cell clean by digesting any foreign material as well as worn-out cell organelles
  1. a - 2, b - 3, c - 1
  2. a - 2, b - 1, c - 3
  3. a - 1, b - 2, c - 3
  4. a - 3, b - 2, c - 1
  5. a - 1, b - 3, c - 2
Question 28 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. In plant cells, a cell wall, composed mainly of cellulose, is located inside the cell membrane.
b. Chromoplasts that contain chlorophyll are called chloroplasts and they perform photosynthesis.
c. The energy required for various chemical activities needed for life is released by mitochondria in the form of adenosine triphopshate molecules.

  1. Only a
  2. Both a and b
  3. Only b
  4. Both b and c
  5. Only c
Question 29 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. Stroma are the main functioning unit of the chloroplasts.
b. The food vacuole of a single-celled organism contains the food item that the animal has consumed.
c. Chloroplasts add colour to the organs for attracting animals to perform pollination and fruit dispersal.

  1. Only a
  2. Both a and b
  3. Only b
  4. Both b and c
  5. Only c
Question 30 Multiple Choice (Single Answer)

Match the following:

 
Cell Organelles Functions they perform
a. Ribosomes 1. Food synthesis
b. Chloroplasts 2. They digest excess or worn-out organelles and food particles.
c. Lysosomes 3. They are the sites of protein manufacture.
  1. a - 3, b - 2, c - 1
  2. a - 3, b - 1, c - 2
  3. a - 1, b - 3, c - 2
  4. a - 2, b - 3, c - 1
  5. a - 2, b - 1, c - 3