A - Satellite, B - Primary constriction, C - Acrocentric
A - Satellite, B - Secondary constriction, C - Metacentric
A - Satellite, B - Centromere, C - Telocentric
A - Satellite, B - Centromere, C - Submetacentric
B. A - Satellite, B - Secondary constriction, C - Metacentric
Column - I | Column - II |
---|---|
A. Golgi apparatus | I. Storage |
B. Mitochondria | II. Photosynthesis |
C. Vacuoles | III. Transport |
D. Grana | IV. Secretion |
.. | V. Respiration |
A - IV, B - V, C - I, D - II
A - I, B - II, C - IV, D - III
A - IV, B - I, C - II, D - III
A - I, B - II, C - III, D - IV
autolysis
protein synthesis
lipid synthesis
carbohydrate synthesis
RBC of human
RBC of frog
cheek cell of human
liver cell of rat
Cytosol
Mitochondria
Lysosomes
Golgi bodies
(i), (ii), (iii) and (iv)
Only (i) and (ii)
Only (iv)
None of the above
chloroplast
mitochondria
lysosome
endoplasmic reticulum
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
Nucleus and E.R.
Mitochondria and chloroplast
Ribosome and nucleolus
Golgi body and lysosome
Part (D): Outer membrane Gives rise to inner membrane by splitting.
Part (B): Inner membrane Forms infoldings called cristae.
Part (C): Cristae Possess single circular DNA molecule and ribosomes.
Part (A): Matrix Major site for respiratory chain enzymes.
mitochondria
centriole
flagella
spindle fibres
excretion and osmoregulation.
digestion and respiration.
osmoregulation and transportation.
none of the above.
Osmosis Movement of water by diffusion.
Nucleoplasm Site of active synthesis of ribosomal RNA.
Mesosome Infolding of cell membrane and characteristics of eukaryotes.
Pili Elongated tubular surface structures (made of special protein) of bacteria.
requires energy.
always requires input of ATP.
moves molecules against a concentration gradient.
both (a) and (c)
Na+/K+ pump is an example of active transport.
In plant cells lipid like steroidal hormones are synthesized in SER.
In plant cells, the vacuoles can occupy up to 10% of the volume of the cell.
Chlorophyll and leucoplast are responsible for trapping light energy essential for photosynthesis.
The ribosomes of a polysome translate the mRNA into protein.
Mitochondria divide by fragmentation.
All cell arise from pre-existing cells.
The lipid component of the membrane mainly consists of phosphoglycerides.
structurally different but functionally similar.
structurally as well as functionally different.
structurally similar but functionally different.
structurally different but functionally similar.
protein storing plastids.
coloured plastids.
stacks of thylakoids.
individual thylakoids present in stroma.
Mitochondrion
Lysosome
Golgi apparatus
Endoplasmic reticulum
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.
green plants
animals
bacteria and cyanobacteria
both (b) and (c)
Column-I | Column-II |
---|---|
A. Mitochondria | I. Without membrane |
B. Lysosomes | II. Single membrane |
C. Ribosomes | III. Double membrane |
A - I, B - II, C - III
A - III, B - I, C - II
A - III, B - II, C - I
A - II, B - III, C - I
type of movement and placement.
location and mode of functioning.
microtubular structure and function.
microtubular organization and type of movement.
Endoplasmic reticulum Synthesis of lipids.
Mitochondria Produce cellular energy in the form of ATP.
Golgi body Provides packaging material.
Lysosomes Secrete hydrolytic enzymes.
production of ATP
requirement of energy
production of toxin
release of energy
Rough endoplasmic reticulum
Smooth endoplasmic reticulum
Golgi body
mitochondria
mechanism of photosynthesis that occurs in chloroplasts.
rough ER in prokaryotic cells.
cytoskeleton of eukaryotic cells.
process that moves small molecules across cell membranes.
(i) and (iii)
(ii) and (iv)
(iii) and (iv)
(ii) and (iii)
phragmoplast
cilia and flagella
cell plate
kinetochore
Column-I | Column-II |
---|---|
(Chromosome) | (Position of Centromere) |
A. Metacentric | I. At the tip |
B. Submetacentric | II. Almost near the tip |
C. Acrocentric | III. At the middle |
D. Telocentric | IV. Slightly away from the middle |
A III; B IV; C II; D I
A IV; B III; C II; D I
A I; B II; C III; D IV
A IV; B III; C I ; D II
Cristae The tubular structure formed by the folding of the inner membrane of the mitochondrion.
Plasmodesmata The membrane surrounding the vacuole in plants.
Grana Membrane bound discs in chloroplasts that contain chlorophylls and carotenoids.
Middle lamella Layer between adjacent cells walls in plants derived from cell plate.