carbohydrates
hormones
nucleic acids
hydrolases.
D. hydrolases.
Primary cell wall
Secondary cell wall
Middle lamella
Tertiary cell wall
Gametes
Amoeba
Mycoplasma
All of these
microtubule
bone
chitin
cartilage.
Column-I | Column-II |
---|---|
A. Leeuwenhoek | I. First saw and described a living cell |
B. Robert Brown | II. Presence of cell wall is unique to plant cells |
C. Schleiden | III. Discovered the nucleus |
D. Schwann | IV. All plants are composed of different kind of cells |
A I, B III, C IV, D II
A I, B III, C II, D IV
A III, B I, C IV, D II
A I, B IV, C II, D III
structurally different but functionally similar.
structurally as well as functionally different.
structurally similar but functionally different.
structurally different but functionally similar.
Nucleus and cell wall
Nucleus and cytoplasm
Ribosomes and flagella
Ribosomes and cell wall
(i), (ii), (iii) and (iv)
Only (i) and (ii)
Only (iv)
None of the above
RBC of human
RBC of frog
cheek cell of human
liver cell of rat
vacuole
ribosome
peroxisome
lysosome
cilia
flagella
both (a) and (b)
centriole
W
X
Y
Z
Nucleus RNA
Lysosome Protein synthesis
Mitochondria Respiration
Cytoskeleton Microtubules
A Telocentric chromosome, B Acrocentric chromosome, C Submetacentric chromosome, D Metacentric chromosome
A Acrocentric chromosome, B Telocentric chromosome, C Metacentric chromosome, D Submetacentric chromosome
A Submetacentric chromosome, B Metacentric chromosome, C Telocentric chromosome, D Acrocentric chromosome
A Metacentric chromosome, B Submetacentric chromosome, C Acrocentric chromosome, D Telocentric chromosome.
Column-I | Column-II |
---|---|
A. SER | I. Increase the surface area |
B. Golgi apparatus | II. Store oils or fats |
C. Cristae | III. Excretion |
D. Peroxisome | IV. Photorespiration |
E. Elaioplasts | V. Synthesis of lipid |
A V; B III; C I; D IV; E II
A V; B III: C II; D IV; E I
A II; B III; C I; D IV; E V
A III; B IV; C I; D V; E II
Proteins in cell membranes can travel within the lipid bilayer.
Proteins can also undergo flip-flop movements in the lipid bilayer.
Proteins can remain confined within certain domains of the membrane.
Many proteins remain completely embedded within the lipid bilayer.
A - Plasmodesmata, B - Rough endoplasmic reticulum, C - Golgi apparatus, D - Mitochondrion, E - Ribosomes
A - Desmosome, B - Rough endoplasmic reticulum, C - Golgi apparatus, D - Mitochondrion, E - Ribosomes
A - Plasmodesmata, B - Smooth endoplasmic reticulum, C - Golgi apparatus, D - Mitochondrion, E - Ribosomes
A - Tight junction, B - Rough endoplasmic reticulum, C - Golgi apparatus, D - Mitochondrion, E -Ribosomes
mechanical support.
motility.
maintenace of cell-shape.
all of the above
(i) and (iii)
(ii) and (iv)
(iii) and (iv)
(ii) and (iii)
Plasmodesmata
Plastoquinones
Endoplasmic reticulum
Plasmalemma
Column-I | Column-II |
---|---|
A. Tonoplast | I. Contain digestive enzyme |
B. Contractile vacuole | II. Store metabolic gases |
C. Food vacuole | III. Excretion |
D. Air vacuole | IV. Transport of ions in plants |
A IV; B III; C I; D II
A II; B III; C IV; D I
A IV; B II; C III; D I
A I; B III; C II; D IV
Column-I | Column-II |
---|---|
A. Bacteria without walls | I. Lysosome |
B. Small circular DNA | II. Mycoplasma cells |
C. Flattened sacs in | III. Thylakoid a chloroplast |
D. A vesicle in which | IV. Plasmid hydrolytic enzymes are stored |
A III; B IV; C II; D I
A II; B IV; C III; D I
A I; B II; C III; D IV
A IV; B III; C I ; D II
Only (i)
Only (iv)
Only (ii), (iii) and (iv)
None of the above
type of movement and placement.
location and mode of functioning.
microtubular structure and function.
microtubular organization and type of movement.
(ii), (iii) & (iv)
(i) only
(ii) only
(iii) only
requires energy.
always requires input of ATP.
moves molecules against a concentration gradient.
both (a) and (c)
Golgi apparatus
Lysosomes
Endoplasmic reticulum
Vacuoles
all animal cells.
some animal cells.
all plant cells.
all plant cells and euglenoides.
50S and 30S subunits unite to form 70S ribosomes.
Polysome/polyribosome consists of many ribosomes only.
Ribosome is the site of protein synthesis.
Polysome indicate the synthesis of identical poolypeptide in multiple copies.
excretion and osmoregulation.
digestion and respiration.
osmoregulation and transportation.
none of the above.
chloroplast
mitochondria
lysosome
endoplasmic reticulum