(i) and (iii)
(iii) and (iv)
(ii) and (iv)
(i) and (iv)
A. (i) and (iii)
Cytosol
Mitochondria
Lysosomes
Golgi bodies
oxysomes
sphaerosomes
ribosomes
dictyosomes
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
carbohydrates
hormones
nucleic acids
hydrolases.
(ii), (iii) & (iv)
(i) only
(ii) only
(iii) only
Active transport
Facilitated diffusion
Simple diffusion
Na+ K+ pump
phragmoplast
cilia and flagella
cell plate
kinetochore
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.
chloroplast
mitochondria
lysosome
endoplasmic reticulum
Mitochondrion
Lysosome
Golgi apparatus
Endoplasmic reticulum
green plants
animals
bacteria and cyanobacteria
both (b) and (c)
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.
polysaccharides
phosphoglyceride
monosaccharaides
both (a) and (c)
metacentric
acrocentric
polycentric
acentric.
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
A - Outer membrane, B - Inner membrane, C - Matrix, D - Inter- membrane space, E - Crista
A - Outer membrane, B - Inner membrane, C - Intermembrane space, D - Matrix, E - Crista
A - Outer membrane, B - Inner membrane, C - Matrix, D - Crista, E - Inter - membrane space
A - Outer membrane, B - Inner membrane, C- Crista, D - Matrix, E - Inter-membrane space
nucleus
cell wall
vacuoles
cytoplasm
Glycocalyx May be capsule or slime layer
Pili Reproduction
Cell wall Protective, determines shape, prevents from bursting
Flagella, pili and fimbriae Surface structures of bacterial cell
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.
Nucleus and cell wall
Nucleus and cytoplasm
Ribosomes and flagella
Ribosomes and cell wall
production of ATP
requirement of energy
production of toxin
release of energy
Container | Observation |
---|---|
1 | Cell burst |
2 | Cell does not change its shape |
Nucleus
Cell wall
Chloroplast
Cell membrane
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.
Both statements -1 and statement - 2 are true and statement - 2 is the correct explanation of statement - 1.
Both statements -1 and statement - 2 are true but statement - 2 is not the correct explanation of statement - 1.
Statement -1 is true and statement - 2 is false.
Statement -1 is false and statement - 2 is true.
neutral and isotonic.
alkaline and isotonic.
acidic and hypertonic.
equal to cytoplasm and isotonic.
Cell dies
Cell shrinks
Cell swell up
Nothing would happen
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
helps control the movement of substance in and out of the cell
passes information from the parent cell to newly formed cell
maintains the proper shape of the cell and serves as a protective barrier
helps the cell to make food with the help of chlorophyll and sunlight
Golgi apparatus Protein synthesis
Golgi apparatus Formation of glycolipids
Rough endoplasmic reticulum Protein synthesis
Rough endoplasmic reticulum Formation of glycoproteins
(i), (ii), (iii) and (iv)
Only (i) and (ii)
Only (iv)
None of the above