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.
C. Mesosome Infolding of cell membrane and characteristics of eukaryotes.
on ribosomes present in cytoplasm as well as in mitochondria.
on ribosomes present in the nucleolus as well as in cytoplasm.
only on ribosomes attached to the nuclears envelope and endoplasmic reticulum.
only on the ribosomes present in cytosol.
oxysomes
sphaerosomes
ribosomes
dictyosomes
phytochrome
chromatophore
mesosome
pneumatophore
Elaioplasts
Sphaerosomes
Aleuroplasts
Pyrenoids
production of ATP
requirement of energy
production of toxin
release of energy
mechanical support.
motility.
maintenace of cell-shape.
all of the above
It helped to study the working of cells.
It helped in curing diseases caused by cell.
It helped in restating the earlier theories on cell.
It helped in introducing the use of microscopes to study cell.
A Plasma membrane, B Interdoublet bridge, C Central microtubule, D Radial spoke
A Plasma membrane, B Arm, C Central microtubule, D Radial spoke
A Plasma membrane, B Interdoublet bridge, C Hub, D Radial spoke
A Plasma membrane, B Interdoublet bridge, C Hub, D Arm
higher plants
yeast
bacteria and blue-green algae
None of the above
requires energy.
always requires input of ATP.
moves molecules against a concentration gradient.
both (a) and (c)
Rough endoplasmic reticulum
Smooth endoplasmic reticulum
Golgi body
mitochondria
metacentric
acrocentric
polycentric
acentric.
(ii), (iii) & (iv)
(i) only
(ii) only
(iii) only
Sample A | Sample B |
---|---|
Make energy available for cellular metabolism | Generates ATP and synthes izes s ugar |
Absent in cell that carry oxygen throughout the body | Present in plant cell |
Called the energy currency of cell | Source o f all the food energy |
eukaryotic cell have membrane bound organelles.
eukaryotic cell have non - membrane bound organelles.
eukaryotic cell are smaller and multiply more rapidly than prokaryotic cells.
eukaryotic cell are larger and multiply more rapidly than prokaryotic cells.
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.
autolysis
protein synthesis
lipid synthesis
carbohydrate synthesis
mitochondria
centriole
flagella
spindle fibres
chloroplast
mitochondria
lysosome
endoplasmic reticulum
(i), (ii), (iii) and (iv)
Only (i) and (ii)
Only (iv)
None of the above
living content of cytoplasm.
nonliving content of cytoplasm.
nonliving content of vacuole.
living content of vacuole.
terminal part of the chromosome beyond secondary constriction.
terminal part of the chromosome beyond primary constriction.
terminal part of chromosome beyond tertiary constriction.
none of the above
(i) and (iii)
(iii) and (iv)
(ii) and (iv)
(i) and (iv)
Golgi complex
Peroxisome
Vacuole
Lysosome
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.
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
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
Only (i)
Only (iv)
Only (ii), (iii) and (iv)
None of the above
Primary cell wall
Secondary cell wall
Middle lamella
Tertiary cell wall
excretion and osmoregulation.
digestion and respiration.
osmoregulation and transportation.
none of the above.
Mohl
Virchow
Haeckel
Brown