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Pseudopodia are found in which organism?
a. Elephant
b. Chlamydomonas
c. Amoeba
d. Rat
Option c – Amoeba
The outermost layer of a plant stem primarily serves what purpose?
a. Protection
b. Conduction
c. Nutrition
d. All of the above
Option a – Protection
Who developed the first compound microscope in 1595?
a. Robert Brown
b. Hooke
c. Janssen
d. John
Option c – Janssen
What is the basic unit responsible for structure and function in Living Organisms?
a. Cell wall
b. Cytoplasm
c. Nucleus
d. Cell
Option d – Cell
Which device significantly contributed to the discovery of the cell?
a. Bioscope
b. Telescope
c. Microscope
d. Thermometer
Option c – Microscope
Which is an example of a non-living cell?
a. White blood cell
b. Nerve cell
c. Blood cell
d. Cork cell
Option d – Cork cell
What determines the size of an organism?
a. Total number of cells
b. Cell size
c. Cell shape
d. None
Option a – Total number of cells
Which cell part provides structural support in plant cells?
a. Cell wall
b. Cell membrane
c. Cytoplasm
d. Nucleus
Option a – Cell wall
What is the main function of pseudopodia?
a. Movement
b. Food gathering
c. Reproduction
d. Both a and b
Option d – Both a and b
What is the shape of a red blood cell?
a. Round
b. Concave
c. Convex
d. Both a and b
Option d – Both a and b
The approximate length of a human nerve cell is
a. 100–200 cm
b. 20–50 cm
c. 70–80 cm
d. 90–100 cm
Option d – 90–100 cm
Which of these is a unicellular organism?
a. Amoeba
b. Euglena
c. E. coli
d. All of the above
Option d – All of the above
The word “cell” originated from which language?
a. English
b. French
c. Latin
d. Greek
Option c – Latin
In Latin, the term “cell” translates to
a. Dark room
b. Honeycomb
c. Little room
d. Bright room
Option c – Little room
What is the name of the dense, round structure inside a cell?
a. Cell wall
b. Nucleus
c. Cell membrane
d. Cytoplasm
Option b – Nucleus
Which of the following is the smallest type of cell?
a. Plant cell
b. Fungal cell
c. Bacterial cell
d. Ostrich egg
Option c – Bacterial cell
Which is the largest cell known?
a. Bone cell
b. Ostrich egg
c. Eagle egg
d. Nerve cell
Option b – Ostrich egg
One micrometer is equal to how many nanometers?
a. 100
b. 10,000
c. 100,000
d. 1,000
Option d – 1,000
Which is an example of a multicellular organism?
a. Bacteria
b. Virus
c. Chlamydomonas
d. Cockroach
Option d – Cockroach
What primarily determines a cell’s size?
a. Function
b. Location
c. Position
d. None
Option a – Function
If stomata are absent in most land plants, what would likely occur?
a. No water loss through transpiration
b. No gas exchange
c. No change to plant Health
d. Both a and b
Option d – Both a and b
Which of the following are staining substances used in labs?
a. Red ink
b. Safranin
c. Methylene blue
d. All of the above
Option d – All of the above
Which tools are essential for preparing a microscope slide?
a. Dropper
b. Needle
c. Cover slip
d. All of the above
Option d – All of the above
What provides strength and support to plant cells?
a. Cell membrane
b. Cell wall
c. Nucleus
d. None
Option b – Cell wall
Where did Robert Hooke discover cells?
a. Grass leaves
b. Cork slices
c. Orchid leaves
d. Rose leaves
Option b – Cork slices
Which of these is a multicellular organism?
a. Amoeba
b. Euglena
c. Hydra
d. Paramecium
Option b – Euglena
Which of the following statements is incorrect?
a. Larger onions contain larger cells than smaller onions
b. A plant cannot stand upright without a cell wall
c. Most cells are too tiny to be seen without magnification
d. Cells come in various shapes, sizes, and numbers
Option a – Larger onions contain larger cells than smaller onions
Which organism is unicellular?
a. Bacteria
b. Chlamydomonas
c. Amoeba
d. All of the above
Option d – All of the above
What is the name of the jelly-like substance between the nucleus and cell membrane?
a. Cytoplasm
b. Cell organelles
c. Nucleoli
d. All of the above
Option a – Cytoplasm
In which plant was the nucleus first observed?
a. Orchid
b. Oak
c. Wheat
d. Rice
Option a – Orchid
According to Brown, what is a vital component of a cell?
a. Cell wall
b. Cytoplasm
c. Stomata
d. Nucleus
Option d – Nucleus
Who first identified the nucleus?
a. Robert Hooke
b. Robert Brown
c. Charles
d. Janssen
Option b – Robert Brown
Robert Hooke observed cells in the bark of which tree?
a. Oak
b. Neem
c. Mango
d. All of the above
Option a – Oak
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