Q.1
ion Q36) According to the fluid mosaic model of plasma membrane:
  • a) Non polar tails of phospholipids are towards cytoplasm.
  • b) Quasi fluid nature of lipids enables lateral movement of proteins within the overall bilayer.
  • c) Peripheral proteins are partially or totally buried in the membrane.
  • d) Both A and B.
Q.2
ion Q38) Which of the following organisms can be best described as follows? They possess well developed nuclear membrane and nucleus and have genetic material without histone proteins. Chromosomes are condensed and visible even in Interphase.
  • a) Golden algae.
  • b) Euglenoids.
  • c) Fire algae.
  • d) Slime mould.
Q.3
ion Q39) Match the following:
Column I Column II
a. Glycosomes Lysosomes
b. Sarcoplasmic reticulum SER present in retina
c. Baker's body SER present in muscles
d. Polymorphic SER present in liver
e. Myeloid bodies Golgi bodies
  • a) a=5 ; b=3 ; c=2 ; d=1 ; e=4
  • b) a=1 ; b=2 ; c=4 ; d=5 ; e=3
  • c) a=3 ; b=4 ; c=5 ; d=1 ; e=2
  • d) a=4 ; b=3 ; c=5 ; d=1 ; e=2
Q.4
ion Q40) Assertion: Fluid mosaic model was proposed by Singer and Nicolson. Reason: The 'mosaic' is the intricate composite of proteins and lipids of the membrane.
  • a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
  • b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
  • c) Assertion is true but Reason is false.
  • d) Both Assertion and Reason are false.
Q.5
ion Q41) Assertion: Extra chromosomal DNA segments in bacteria are plasmids. Reason: Plastids are common in eukaryotic cells.
  • a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
  • b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
  • c) Assertion is true but Reason is false.
  • d) Both Assertion and Reason are false.
Q.6
ion Q42) Which of the following structure is present in fungi between cell wall and cell membrane?
  • a) Dictyosomes.
  • b) Lomasomes.
  • c) Sphaerosomes.
  • d) Polysomes.
Q.7
ion Q43) Kinetochores are used for the:
  • a) Attachment of spindle fibres on chromosomes.
  • b) Cell wall formation.
  • c) Synthesis of proteins.
  • d) Transport of molecules in cell.
Q.8
ion Q44) One type of chromosome has middle centromere whereas other type has a terminal centromere. They are:
  • a) Metacentric and Acrocentric.
  • b) Metacentric and Telocentric.
  • c) Sub - metacentric and Acrocentric.
  • d) Sub - metacentric and Telocentric.
Q.9
ion Q45) Which of the following are the largest constituent of a typical cell membrane and are also responsible for performing most of the functions of the membrane?
  • a) Proteins.
  • b) Lipids.
  • c) Glycolipids.
  • d) Glycoprotein.
Q.10
ion Q46) Centrioles, cilia, flagella, and basal bodies have remarkably similar structural elements and arrangements. This leads us to which of the following as a probable hypothesis?
  • a) Disruption of one of these types of structure should necessarily disrupt each of the others as well.
  • b) Loss of basal bodies should lead to loss of all cilia, flagella, and centrioles.
  • c) Motor proteins such as dynein must have evolved before any of these four kinds of structure.
  • d) Natural selection for motility must select for microtubular arrays in circular patterns.
Q.11
ion Q47) The plasma membrane consists mainly of:
  • a) Phospholipids embedded in a protein bilayer.
  • b) Proteins embedded in a phospholipid bilayer.
  • c) Proteins embedded in a polymer of glucose molecules.
  • d) Proteins embedded in a carbohydrate bilayer.
Q.12
ion Q48) Arrange the following in the increasing of their size:
  • a) Virus < PPLO < typical bacteria < typical eukaryotic cell.
  • b) PPLO < virus < typical bacteria < typical eukaryotic cell.
  • c) Virus < PPLO < typical eukaryotic cell < typical bacteria.
  • d) Virus > PPLO > typical bacteria > typical eukaryotic cell.
Q.13
ion Q49) Which organelle is not considered as a part of Endomembrane system?
  • a) Vacuole
  • b) Chloroplast
  • c) Endoplasmic reticulum
  • d) Lyso some
Q.14
ion Q50) How many unit occur in each stack pile of golgi apparatus?
  • a) 4 to 8
  • b) 2 to 6
  • c) 4 to 6
  • d) 2 to 8
Q.15
ion Q51) How many basic shapes of Bacteria are there ?
  • a) 4
  • b) 6
  • c) 9
  • d) 1
Q.16
ion Q52) (A) Blue green algae is a prokaryotic cell (R) In prokaryotic cell, cell division occur very fast.
  • a) Assertion (A) and Reason (R) both are true and reason (B) is correct explanation of the assertion A.
  • b) Assertion (A) and Reason (R) both are true but reason B is not a correct explanation of the assertion (A)
  • c) Assertion (A) is true but Reason (B) is false.
  • d) Assertion (A) is false but Reason B is true.
Q.17
ion Q53) Select the organelles found in plant cell only:
  • a) Dictyosomes and Glyoxysomes.
  • b) Lysosomes and peroxisomes.
  • c) Glyoxysomes and Desmosomes.
  • d) Sphaerosomes and dictyosomes.
Q.18
ion Q54) Identify the polymorphic and the pleomorphic organelles respectively:
  • a) Golgi bodies and Peroxisomes.
  • b) Lysosomes and Golgi bodies.
  • c) Golgi bodies and endoplasmic reticulum.
  • d) Vacuole and endoplasmic reticulum.
Q.19
ion Q55) Eukaryotic flagella are membrane bound extensions of the plasma membrane; they are made by which type of cell structure?
  • a) Microtubules.
  • b) Microfilaments.
  • c) Intermediate filaments.
  • d) Flagellin.
Q.20
ion Q56) The two types of cellular organelles that transform energy are:
  • a) Chromoplasts and Leucoplasts.
  • b) Mitochondria and Chloroplasts
  • c) Mitochondria and Endoplasmic reticulum
  • d) Chloroplasts and Golgi apparatus.
Q.21
ion Q57) Which of the following chromosome is absent in human beings?
  • a) Sub-metacentric chromosome
  • b) Metacentric chromosome.
  • c) Acrocentric chromosome.
  • d) Telocentric chromosome.
Q.22
on Q108) The given diagram shows the sectional view of a mitochondrion. Identify the parts labelled as A, B, C, D & E:
unit-3_ch-2_que_no-108_img_no1.png
  • a) A - Outer membrane, B - Inner membrane, C - Matrix, D - Inter- membrane space, E - Crista
  • b) A - Outer membrane, B - Inner membrane, C - Intermembrane space, D - Matrix, E - Crista
  • c) A - Outer membrane, B - Inner membrane, C - Matrix, D - Crista, E - Inter - membrane space
  • d) A - Outer membrane, B - Inner membrane, C- Crista, D - Matrix, E - Inter-membrane space.
Q.23
ion Q58) In peripheral region of centriole nine triplets are arranged at which angles?
  • a) 40°
  • b) 60°
  • c) 30°
  • d) 90°
Q.24
ion Q59) Select the Correct option from Column I and Column-II
Column I Column II
(P) Typical Animal Cell i multi nucleus
(Q) Zygote ii Uninucleus
(R) Human RBC iii Binucleus
(S) Plant Endosperm iv Nucleus is absent
  • a) P - ii Q - iii (C) R - iv (D) S - i
  • b) P - iii Q - ii (C) R - i (D) S - iv
  • c) P - iii Q - i (C) R - iv (D) S - ii
  • d) P - i Q - ii (C) R - iv (D) S - iii
Q.25
ion Q60) Who proposed fluid-mosaic model?
  • a) Singer and Nicolson
  • b) Beadel and Tatum
  • c) Robertson and Miller
  • d) Watson and Crick
Q.26
ion Q61) Plasmids were discovered by:
  • a) Lederberg and Tatum.
  • b) Hayes and Lederberg.
  • c) Boliver and Rodriguez.
  • d) Porter and Thompson.
Q.27
ion Q62) Find out the incorrect statement:
  • a) Porin proteins are seen on the cell wall of Gram negative bacteria.
  • b) Murein content of Gram positive bacteria is 70 - 80%.
  • c) Gram positive bacteria are less susceptible to antibiotics.
  • d) Flagella basal body has 4 rings in Gram negative bacteria.
Q.28
ion Q63) What would happen if lysosomes get ruptured in a cell?
  • a) Cell dies.
  • b) Cell shrinks.
  • c) Cell swells up.
  • d) Nothing would happen.
Q.29
ion Q64) Which one of the following cellular parts is correctly matched with their characters ?
  • a) Centrioles - Sites for active RNA synthesis.
  • b) Lysosomes - Optimally active at a pH of about 8.5.
  • c) Thylakoid - Flattened membranous sacs forming the grana of chloroplasts.
  • d) Ribosomes - Those on chloroplasts are larger (80S) while those in the cytoplasm are smaller (70S).
Q.30
ion Q65) Minimum required concentration of Mg2+ for the structural formation of ribosomes:
  • a) 0.1.
  • b) 0.01.
  • c) 0.001.
  • d) 0.0001.
Q.31
ion Q66) Anthocyanins are pigments which are:
  • a) Water soluble and located in the Chromoplasts.
  • b) Water insoluble and located in the Chromoplasts.
  • c) Water insoluble and located in the cell sap.
  • d) Water soluble and located in the cell sap.
Q.32
Study the following statements on cilium or flagellum and answer the question. (i) Cilium / Flagellum contains an outer ring of nine doublet microtubules surrounding two singlet microtubules. (ii) Cilia are smaller which work like oars, causing the movement of either the cells or surrounding fluid. (iii) Flagella are comparatively longer and responsible for cell movement. (iv) Cilium and flagellum are covered with plasma membrane. Which of the above statements are correct?
  • a) (i) and (ii).
  • b) (i), (ii), (iii) and (iv).
  • c) (i) and (iv).
  • d) (ii) and (iii).
Q.33
ion Q68) Secondary cell wall is absent in:
  • a) Xylem.
  • b) Meristem.
  • c) Sclerenchyma.
  • d) Tracheids.
Q.34
ion Q69) Which of the following function are not performed by the golgi complex?
  • a) It acts as an important site for formation of glycoprotein and glycolipids.
  • b) It is involved in packaging of materials.
  • c) Modifications of proteins synthesized by the endoplasmic reticulum.
  • d) It acts as a site for synthesis of steroidal hormones.
Q.35
ion Q70) Which of the following are true regarding rough endoplasmic reticulum? (i) Stores calcium in muscle cells. (ii) Detoxification of toxic substances. (iii) Developed from nuclear membrane. (iv) More stable. (v) Ribophorins are present.
  • a) (i), (iii), (iv) and (v).
  • b) (iii), (iv) and (v).
  • c) (ii), (iii), (iv) and (v).
  • d) All of these are true.
Q.36
ion Q71) Match the following:
Column I Column II
a. Murein Attachment
b. Hopanoids Inclusion bodies
c. Volutin granules Prokaryotic membrane
d. Fimbriae Prokaryotic cell wall.
  • a) a=3 ; b = 4; c=2; d=1
  • b) a=4 ; b = 3; c=1; d=2
  • c) a=1 ; b =3 ; c=2; d=4
  • d) a=4 ; b = 3; c=2; d=1
Q.37
ion Q72) How many of the following statements are false: (i) With regarding to plant cell wall, hemicellulose is richly found in secondary wall than primary walls. (ii) Secondary wall is absent in meristem. (iii) Primary wall is made up of cellulose, hemicellulose and pectin. (iv) Tertiary wall is present in trachieds of gymnosperms.
  • a) One.
  • b) Two.
  • c) Three.
  • d) Four.
Q.38
on Q102) Read the following statements and find the correct statements: (i) Prokaryotic and eukaryotic flagella are structurally similar. (ii) Cilia work like oars and comparatively smaller than flagella. (iii) The core of cilium or flagellum is called Axoneme. (iv) Central tubules are connected by Interdoublet bridges and is enclosed by a central sheath. (v) Central sheath is connected to one of the tubules of each peripheral doublet by a radial spoke. There are nine radial spokes. (vi) Peripheral doublets are also interconnected by linkers.
  • a) (ii), (iv), (v) and (vi).
  • b) (iii), (iv) and (v).
  • c) (i), (ii) and (iii).
  • d) (ii), (iii), (v) and (vi).
Q.39
ion Q73) Which of the following statements are correct regarding centrosomes and Centrioles? (i) Centrosome is an organelle usually containing 3 cylindrical structures called Centrioles. (ii) They are surrounded by amorphous pericentriolar material. (iii) They are made of nine evenly spaced peripheral fibrils which are doublet. (iv) The Centrioles form the basal body of flagella and cilia and spindle fibres that give rise to spindle apparatus during cell division in animal cells.
  • a) Only (ii) and (iv) are correct.
  • b) Only (i) and (ii) are correct.
  • c) Only (iii) and (iv) are correct.
  • d) Only (iv) is correct.
Q.40
ion Q74) Golgi bodies are not found in: (i) Mature gametophyte of bryophyte. (ii) Mature mammalian RBC. (iii) Mature sieve tube cells.
  • a) (ii) and (iii) only.
  • b) (ii) only.
  • c) (i) and (iii) only.
  • d) (i), (ii) and (iii).
Q.41
ion Q75) Which of the following is wrongly matched?
  • a) Middle lamella - Ca and Mg pectate.
  • b) Primary wall - Lignin.
  • c) Secondary wall - Cellulose and lignin.
  • d) Extensin - Structural proteins.
Q.42
ion Q76) The two subunits of ribosome remains united at critical level of:
  • a) Mn2+.
  • b) Mg2+.
  • c) Ca2+.
  • d) Cu2+.
Q.43
ion Q77) Which of the following pair are correctly matched ? (I) Amyloplasts - Store proteins (II) Mitochondrion - Power house of the cell (III) Stroma - Chlorophyll pigment (IV) Axoneme - 9 + 2 array
  • a) (I) and (III) only.
  • b) (II), (III) and (IV) only.
  • c) (III) and (IV) only.
  • d) (II) and (IV) only.
Q.44
ion Q78) Find out the functions of Golgi complex from the following given functions: (i) Cell plate formation. (ii) Lysosome formation. (iii) Steroid hormone synthesis. (iv) Storage of Ca2+ ions in muscle cells. (v) Synthesis of carbohydrates.
  • a) (i), (ii) and (v).
  • b) (ii), (iii) and (v).
  • c) (i), (iv) and (v).
  • d) (i) and (ii) only.
Q.45
ion Q79) NOR's are:
  • a) Secondary constrictions.
  • b) Primary constrictions.
  • c) Satellites.
  • d) A component of nucleus.
Q.46
ion Q80) Tips of chromosomes are called:
  • a) Centromere.
  • b) Chromomere.
  • c) Telomere.
  • d) Metamere.
Q.47
ion Q81) Which of the following statement is false?
  • a) The ribosomes of Polysomes translate the mRNA into protein.
  • b) Mitochondria divide by fragmentation.
  • c) All cell arise from pre-existing cells.
  • d) The lipid component of the membrane mainly consists of phosphoglycerides.
Q.48
ion Q82) Consider the following four statements and select the option which includes all the correct ones by regarding bacterial appendages: (i) The flagellum of bacteria is made up of three parts, basal body, hook, filament. (ii) In gram negative bacterial flagella two pairs of rings are found. (iii) Longer pili is also known as F pili or sex pili and help in attachment of substratum. (iv) Flagella, sex pili and fimbriae play a very important role in the movement of bacteria.
  • a) (i), (ii) and (iv).
  • b) (i), (iii) and (iv).
  • c) (i) and (ii).
  • d) (iii) and (iv).
Q.49
ion Q83) The protoplast surrounding the centriole is called as...
  • a) Centrosphere
  • b) Centrofibre
  • c) Centroradus
  • d) centroboides
Q.50
ion Q84) (A)Nucleus possess Chromosomes and DNA (R)DNA is responsible for inheritance of characters.
  • a) Assertion (A) and Reason (R) both are true and reason (B) is correct explanation of the assertion A.
  • b) Assertion (A) and Reason (R) both are true but reason B is not a correct explanation of the assertion (A)
  • c) Assertion (A) is true but Reason (B) is false.
  • d) Assertion (A) is false but Reason B is true.
0 h : 0 m : 1 s