The Cell Book Back Questions & Answers
Unit 5 > Science > Class 6 > Samacheer Kalvi - English Medium
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1. The unit of measurement used for expressing dimension (size) of cell is ____
a. centimeter
b. millimeter
c. micrometer
d. meter
Correct answer: c. micrometer
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2. Under the microscope Priya observes a cell that has a cell wall and distinct nucleus. The cell that she observed is
a. a plant cell
b. an animal cell
c. a nerve cell
d. a bacteria cell
Correct answer: a. a plant cell
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3. A control centre of the eukaryotic cell is
a. Cell wall
b. Nucleus
c. Vacuoles
d. Chloroplast
Correct answer: b. Nucleus
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4. Which one of the following is not an unicellular organism?
a. Yeast
b. Amoeba
c. Spirogyra
d. Bacteria
Correct answer: c. Spirogyra
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5. Most organelles in a eukaryotic cell are found in the
a. Cell wall
b. cytoplasm
c. nucleus
d. Vacuole
Correct answer: b. cytoplasm
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1. The instrument used to observe the cell is _____
Correct answer: microscope
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2. I control the food production of a cell. Who am I? ____
Correct answer: Chloroplast
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3. I am like a policeman. Who am I ____?
Correct answer: cell wall
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4. The Term cell was coined by ______
Correct answer: Robert Hooke
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5. The egg of an Ostrich is the ___________ single cell.
Correct answer: largest
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1. A cell is the smallest unit of life.
Correct answer: True
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2. Nerve cell is the longest cell
Correct answer: True
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3. Prokaryotes were the fi rst form of life on earth
Correct answer: True
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4. The organelles of both plants and animals are made up of cells.
Correct answer: False
Correct Statement: The cells of both plants and animals are made up of organelles
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5. New cells are produced from existing cells.
Correct answer: True
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1. Control center
Correct answer: Nucleus
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2. Food producer (Plant cell)
Correct answer: Chloroplasts
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3. Gate of the nucleus
Correct answer: Nuclear membrane
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4. Gate of the cell
Correct answer: Cell membrane
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5. Energy producer
Correct answer: Mitochondria
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1. Elephant, Cow, Bacteria, Mango, Rose plant.
Correct answer: Bacteria, Rose plant, Mango, Cow, Elephant
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2. Hen Egg, Ostrich egg, Insect egg.
Correct answer: Insect egg, Hen egg, Ostrich egg.
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1. Prokaryote : Bacteria :: Eukaryote :_______
Correct answer: Plant and Animal cell
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2. Spirogyra : Plant cell :: Amoeba : ______
Correct answer: Animal cell
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3. Food producer : Chloroplasts :: Power house :____
Correct answer: Mitochondria