CBSE Questions for Class 11 Medical Biology Cell The Unit Of Life Quiz 13 - MCQExams.com

Consider the following statements and select the correct option.
(A) The endomembrane system includes plasma membrane, ER, Golgi complex, lysosomes and vacuoles.
(B) ER helps in the transport of substances, synthesis of proteins, lipoproteins and glycogen.
(C) Ribosomes are involved in protein synthesis.
(D) Mitochondria help in oxidative phosphorylation and generation of ATP.
  • B, C and D are correct.
  • A alone is correct
  • B alone is correct
  • C alone is correct
Amides are transported to the other parts of the plants via
  • phloem parenchyma
  • phloem companion cells
  • xylem vessels
  • phloem fibre
Lysosomes are practically present in all animal cell except.
  • WBC
  • RBC
  • Epithelial cell
  • Goblet cell
The most abundant lipid in the cell membrane is
  • Cutin
  • Glycolipid
  • Steroid
  • Phosphoglycerides
A phospholipid molecule is amphipathic and produces two layers coming in contact with $${H}_{2}O$$. The head of phospholipid molecule is
  • At an angle of $${40}^{o}$$
  • At the outer surface
  • On the inner side
  • Embedded in protein molecules
As they release hydrolase that digest old and damaged cells, the term suicide bags is used by cell biologists for __________.
  • Golgi bodies
  • lysosomes
  • glypxysomes
  • peroxisomes
All plastids have essentially the same structure because __________.
  • They have to perform the same location
  • They are localised in the aerial parts of plants
  • One type of plastid can differentiate into another type of plastid depending upon the cell requirements
  • All plastids have to store starch, lipids and proteins
Smooth endoplasmic reticulum is well developed in the cells with synthesis if lipids, cholestrol, steroids and visual pigments in epithelial cells of retina?
  • steroids
  • proteins
  • carbohydrates
  • all of these
Mechanical support, enzyme circulation, protein synthesis and detoxification of drugs are the functions of __________.
  • Dictyosomes
  • Chloroplast
  • Ribosomes
  • ER
Cell organelle responsible for autolysis is
  • Dictyosome
  • Lysosome
  • Peroxisome
  • Glyoxysome
Bright colour of petals is due to the presence of
  • Chloroplast
  • Anthocyanin
  • Elaioplast
  • Amyloplast
The smooth endoplasmic reticulum is the major site for synthesis of ________
  • proteins
  • lipids
  • carbohydrates
  • vitamins
Match column I with column II and select the correct option from the codes given below
Column IColumn II
(A) RER(i) Intracellular and extracellular digestion
(B) SER(ii) Lipid synthesis
(C) Golgi complex(iii) Protein synthesis and secretion
(D) Lysosomes(iv) Moves materials out of the cell
  • A- (iii), B- (ii), C- (iv), D- (i)
  • A- (ii), B- (iii), C- (iv), D- (i)
  • A- (i), B- (iii), C- (ii), D- (iv)
  • A- (iv), B- (ii), C- (iii), D- (i)
Which of the following is correct for the origin of lysosome (L)?
  • ER $$\rightarrow$$ Golgi bodiesVL
  • Golgi bodies $$\rightarrow$$ ER $$\rightarrow$$ L
  • Nucleus $$\rightarrow$$ Golgi bodies $$\rightarrow$$ L
  • Mitochondira $$\rightarrow$$ ER $$\rightarrow$$ Golgi bodies $$\rightarrow$$ L
Which of the following represents the features of lysosomes?
  • A lower pH than the cytoplasm
  • Reduced hydrolase activity
  • Double membrane envelope
  • All of these
Single envelope system is characteristic feature of 
  • Prokaryotic cell
  • Eukaryotic cell
  • Mesokaryotic cell
  • More than one option is correct.
Match the cell organelles given in column I with cellular processes in column II and select the correct option from the codes given below:
Column IColumn II
(A) Lysosomes(i) Protein synthesis
(B) Ribosomes(ii) Hydrolytic activity
(C) Smooth endoplasmic(iii) Steroid synthesis
(D) Centriole(iv) Formation of spindle
  • A- (ii); B- (i); C- (iii); D- (iv)
  • A- (i); B- (iii); C- (iv); D- (ii)
  • A- (i); B- (iv); C- (iii); D- (ii)
  • A- (iv); B- (iii); C- (i); D- (ii)
Select the incorrect pair.
  • Cell wall- structural support
  • Central vacuole- Storage
  • Amyloplast- Starch storage
  • Plasmodesmata- Protection
A student coming out cell fractionation of a tissue and forgot to label his tubes. The contents of one tube when studied showed organelles bounded by the membrane with an activity of catalase enzyme. These organelles could be:-
  • SER
  • Chloroplast
  • Lysosome
  • Peroxisome
Which of the following is absent in the prokaryotic cell?
  • Cell wall
  • Cell membrane
  • Nucleus
  • Ribosomes
In the Prokaryotic cells
  • The chromosome is covered with the nuclear membrane
  • The chromosome Is not covered with the nuclear membrane
  • The chromosome is absent
  • Nucleus is present
Nucleus is
  • The largest organelle in the cell
  • The organelle which contains chromosomes
  • The organelle with a double membrane
  • All of the above
Which of these cells is believed to be the first cells on Earth?
  • Eukaryotic Cell
  • Animal cell
  • Plant cell
  • Prokaryotic cell
Which  is the correct order for levels of organization in humans
  • Cell $$\rightarrow$$ Tissue$$\rightarrow$$Organ$$\rightarrow$$Organ system$$\rightarrow$$Organism
  • Cell$$\rightarrow$$Organ$$\rightarrow$$Organ system$$\rightarrow$$Organism
  • Cell$$\rightarrow$$Tissue$$\rightarrow$$Organ$$\rightarrow$$Organism
  • Cell$$\rightarrow$$Tissue$$\rightarrow$$Organism
The reserve food material of the Prokaryotic cell is 
  • Starch
  • Glycogen and oil
  • Inclusion bodies
  • Laminarin
Which of the following is absent in Prokaryotic cells but present in Eukaryotic cells?
  • Cytoplasm
  • Cell membrane
  • Ribosomes
  • Nucleus
Change of colour from green to red during ripening of chilli is due to
  • Pigments present in the vacuole
  • Transformation of chloroplast to chromoplast
  • Transformation of leucoplast to chloroplast
  • Phycoerythrin pigments, found in chloroplast
Which of the following statement about nucleus and nucleolus is correct?
  • The nucleus is membrane-bound while the nucleolus is not membrane-bound.
  • The nucleolus is membrane-bound while the nucleus is not membrane-bound.
  • Both nucleolus and nucleus are membrane-bound.
  • Both nucleus and nucleolus are not membrane-bound.
Which of these is a multicellular organism?
  • Amoeba
  • Paramoecium
  • Human beings
  • None of these
Diametre of prokaryotic and eukaryotic cells are respectively
  • $$0.2-10\mu m^3$$ and $$1000-10000 \mu m^3$$
  • $$03.1-10 \mu m^3$$ and $$ 100-1000 \mu m^3$$
  • $$0.1-5.0 \mu m^3$$ and $$3-30 \mu m^3$$
  • $$0.1-1.0 \mu m^3$$ and $$10-100 \mu m^3$$
The best way to identify a cell as either prokaryotic or eukaryotic is to determine whether
  • whether the nucleus is true nucleus or not true nucleus
  • it has a nucleus
  • it has a plasma membrane
  • it has cytosol
Which of the following divides the intracellular space into two distinct compartments?
  • Endoplasmic reticulum
  • Cell membrane
  • Plasma membrane
  • None of the above
The prokaryotic cells are represented by all except_____________
  • Red algae
  • Blue green algae
  • Mycoplasma
  • Ray fungi
What is more abundant in smooth endoplasmic reticulum?
  • Cisternae & vesicles
  • Tubules
  • Tubules and vesicles
  • Cisternae
Which of the following separates the nucleoplasm with the cytoplasm?
  • Cell membrane
  • Nuclear membrane
  • Endoplasmic reticulum
  • Golgi body
Identify the cell organelle that has hydrolyting enzymes.
  • Golgi complex
  • Lysosomes
  • Plastids
  • Mitochondria
How many of the following organisms have nuclear membrane ?
Mycoplasma, Blue - green algae, Fungi, Bacillus, Yeast, Purple photosynthetic bacteria, E.coli, Chlamydomonas
  • 4
  • 3
  • 5
  • 2
Membrane bound vesicular organelles formed by the process of packaging in the golgi apparatus is
  • Peroxisome
  • Glyoxysome
  • Lysosome
  • More than one option is correct
In prokaryotic cells, respiration takes place in _______
  • Mitochondria
  • Cytoplasm
  • Ribosome
  • Nucleus
Which cellular structures always disappear during mitosis?
  • Nuclear membrane and nucleus
  • Mitochondria
  • Cell wall
  • Chromosomes
Which organelle can be best describes as food processor and housekeeper of a cell?
  • Mitochondria
  • Plastids
  • Vacuoles
  • Lysosome
The main organelle involved in modification and routing of newly synthesised proteins to their destination is ________
  • Mitochondria
  • Endoplasmic reticulum
  • Lysosome
  • Chloroplast
Complete the given table about absorption of nutrients through small intestine by selecting the correct option.
Process
Nutrients
Active transport IIII and II Fructose and mannose
Simple DiffusionIV and V
  • $$I-$$Amino Acids,
    $$II-Ca^{2+}$$,
    $$III-$$Passive transport,
    $$IV-$$Glycerol,
    $$V-$$Fatty Acids
  • $$I-$$Galactose,
    $$II-$$Amino Acids,
    $$III-$$Passive transport,
    $$IV-$$Vitamin C,
    $$V-$$Water
  • $$I-$$Glucose,
    $$II-$$Galactose,
    $$III-$$Facilitated diffusion,
    $$IV-$$Glycerol,
    $$V-$$Water
  • $$I-$$Glucose,
    $$II-$$Short chain fatty acids,
    $$III-$$Facilitated diffusion,
    $$IV-$$Water,
    $$V-$$Vitamin B complex
Which of the following is not a cell?
  • Red Blood Corpuscle (RBC)
  • Bacterium
  • Spermatozoa
  • Virus
The thread like structure present in the nucleus is
  • Nucleolus
  • Gene
  • Chromosome
  • Ribosome
Read the following pairs of examples of organisms. The pair that belongs to the group prokaryotes is
  • Moss and Sponge
  • Bacteria and Blue green algae
  • Yeast and Amoeba
  • Penicillium and Spirogyra
Which of the following organelle forms the intra cellular transporting system?
  • Mitochondria
  • Lysosomes
  • Endoplasmic reticulum
  • Ribosomes
Glycoxidation occurs in
  • Endoplasmic reticulum
  • Golgi apparatus
  • Cell membrane
  • Vacuoles
Of the following parts of a cells listed below, name the part that is common to plant cell, animal cell and a bacterial cell.
  • Chloroplast
  • Cell membrane
  • Cell wall
  • Nucleus
Intracellular compartments do not occur in 
  • Prokaryotes
  • Eukaryotes
  • Lower plants
  • Higher plants
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