CBSE Questions for Class 8 Biology Cell Structure And Functions Quiz 5 - MCQExams.com

Identify the parts labelled as A, B, C and D in the given ultrastructure of a plant cell and select the correct option.
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  • A- Plasma membrane; B- Chloroplast; C-Mitochondrion; D- Vacuole
  • A- Plasma membrane; B- Mitochondrion; C-Chloroplast; D- RER
  • A- Cell wall; B- Mitochondrion; C-Chloroplast; D- RER
  • A- Cell wall; B- Chloroplast; C-Mitochondrion; D- Golgi complex
Bacteria is a
  • Prokaryotic Cell
  • Eukaryotic Cell
  • Both Prokaryotic and Eukaryotic cell
  • Partially eukaryotic 
Which of the following groups of organelles are present in eukaryotic cells, specifically the plant and animal cells?
  • The mesosome, endoplasmic reticulum, Golgi bodies, mitochondria and lysosomes
  • The endoplasmic reticulum, Golgi bodies, cytoplasm, nucleoid, nucleus and nucleolus
  • The mitochondria, nucleus, cytoplasm, cell membrane, Golgi bodies and endoplasmic reticulum
  • The nucleoid, mesosome and pili
The organelles that are present in both plant and animal cells include ............. .
  • Cell membrane
  • Chloroplast
  • Cell wall
  • None of the above
The ______ is the basic structural and functional unit of life.
  • Tissue
  • Organ
  • Cell
  • Organelle
From the following, identify which is the living matter of the cell?
  • Chloroplast
  • Endoplasmic reticulum
  • Protoplasm 
  • Mitochondria

Which of the following statements is correct
  • The nuclear membrane is present in Eukaryotic cells
  • The nuclear membrane is present in Prokaryotic cells
  • The nuclear membrane is present in both Prokaryotic and Eukaryotic cells
  • The nuclear membrane is absent in the Eukaryotic cells
Cells vary in shape from 0.1 mm to 170 mm. 
  • True
  • False
Which one of the following combination is mismatched?
  • Glycocalyx - may be capsule or slime layer
  • Pili - Respiration
  • Cell wall - Protective, determines shape, prevents from bursting
  • Flagella, Pili and Fimbriae - Surface structure of bacteria cell
The size of the cell is not related to the size of the body of an animal.
  • True
  • False
Auxospores are formed in the life cycle of diatoms these structure are ________________.
  • Vegetuative cells with ploidy level N
  • Asexual spores with ploidy level N
  • Statosspores with 2N ploidy Level
  • Sexual spores with ploidy level $$2N$$
Which one of the following is incorrect for the members of chrysophyta?
  • These are nonmotile bivalved organism
  • Presence of primordial utricle around a central vacuole
  • Resetve food materials are paramylon and volutin granules
  • Movement occurs by mucilage propulsion
Which of the following is found in a plant cell but not in animal cell?
  • Cell wall
  • Mitochondria
  • Cell membrane
  • Nucleus
Which of the following statements is false?
  • The size of cells in living organisms may be as small as a millionth of a metre or maybe as large as a few centimetres.
  • A tissue is a group of similar cells performing a specific function.
  • Gene is a unit of inheritance in living organisms.
  • Amoeba has a definite shape.
Read the statements given about cytoplasm. Which of the following is correct?
(a) Cytoplasm fills the animal cell.
(b) Cytoplasm is a jelly-like substance.
(c) Chlorophyll is found in the nucleus.
(d) Cytoplasm and protoplasm are the same.
  • I, II
  • I, II and III
  • III and IV
  • I, II and IV
The smooth muscles in our body are_______.
  • Thin
  • Long
  • Tapering ends
  • All of the above
Fill in the blank:
The ______ in a living organism is the basic structural unit.
  • Cell
  • Organ
  • Tissue
  • None of the above
A single-celled organism like an amoeba can
i) capture and digest food
ii) respire
iii) excrete 
iv) grow and reproduce
  • Only i) and ii)
  • Only i) and iv)
  • Only ii) and iii)
  • i), ii), iii) and iv)
How do scientists observe and study living cells? 
  • They use microscopes which magnify objects.
  • Stains (dyes) are used to colour parts of the cell to study the detailed structure.
  • Both A and B
  • They do not study living cells.
The example of a Prokaryotic cell is
  • Blue-green algae.
  • Fungi
  • Chloroplast
  • Animal
The meaning of pseudopodia is
  • True feet
  • Multiple feet
  • False feet
  • Single foot
Fill in the blank:
An organism with billions of cells begins life as a ________ which is the fertilised egg.
  • Embryo
  • Single-cell
  • Double-cell
  • None of the above
State whether the given statement is True or False:
The size of a cell is not related to the size of an organism, but to its function.
  • True
  • False
What is the shape of the muscle cells?
  • Spindle
  • Spherical
  • Long and branched
  • Square
State whether the given statement is True or False:
The tissues form specialized cells and the cells form an organ.
  • True
  • False
State whether the given statement is True or False:
In multicellular organisms, the fertilised egg cell multiplies and the number of cells increases as development proceeds.
  • True
  • False
Which of the following is not a single-celled organism?
  • Amoeba
  • Paramecium
  • Elephant
  • Bacteria
The smallest cell is a _____________ measured between 0.1 to 0.5 micrometre in size.
  • Virus
  • RBC
  • Fungi
  • Bacteria
State whether the given statement is True or False:
An amoeba is a full-fledged organism capable of independent existence.
  • True
  • False
Which component of a plant cell gives it rigidity and shape?
  • Cell wall
  • Cell membrane
  • Nucleus
  • All of the above
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