structurally different but functionally similar.
structurally as well as functionally different.
structurally similar but functionally different.
structurally different but functionally similar.
B. structurally as well as functionally different.
(i) is wrong but (ii) and (iii) are correct
(ii) is wrong but (i) and (iii) are correct
(ii) and (iii) are wrong but (i) is correct
All are correct.
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
cell wall
nuclear membrane
ribosome
none of these
(iii) and (iv)
(i) and (ii)
(ii) and (iii)
(i) and (iv)
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.
cilia
flagella
both (a) and (b)
centriole
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
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
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 |
Sample A - Mitochondria, Sample B - Chloroplast; because both the organelles are double membrane bound structure.
Sample A- Mitochondria, Sample B - Chloroplast; because they both are capable of synthesis of their own proteins only.
Sample A - Mitochondria, Sample B - Chloroplast; because they are capable of synthesis of their own proteins and contain their own DNA.
Sample A- Mitochondria, Sample B - Chloroplast; because they contain their own DNA to transfer the genetic information from one generation to another.
chloroplast
mitochondria
lysosome
endoplasmic reticulum
SER
Lysosome
Golgi apparatus
Mitochondria
it came from a single-celled or multicellular organism.
it has a nucleus.
it has a plasma membrane.
it has cytosol.
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.
(i) and (ii)
(i), (ii), (iii) and (iv)
(i) and (iv)
(ii) and (iii)
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.
polysaccharides
phosphoglyceride
monosaccharaides
both (a) and (c)
(i) and (iii)
(i) and (ii)
(ii) and (iii)
(i) and (iv)
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
phragmoplast
cilia and flagella
cell plate
kinetochore
protein storing plastids.
coloured plastids.
stacks of thylakoids.
individual thylakoids present in stroma.
production of ATP
requirement of energy
production of toxin
release of energy
Mitochondria
Endoplasmic reticulum
Ribosomes
Both (b) and (c)
specialized granules responsible for colouration of cells
structures responsible for organizing the shape of the organism.
inclusion bodies lying free inside the cells for carrying out various metabolic activities.
internal membrane system which becomes extensive and complex in photosynthetic bacteria.
Golgi complex
Peroxisome
Vacuole
Lysosome
carbohydrates
hormones
nucleic acids
hydrolases.
Rough endoplasmic reticulum
Smooth endoplasmic reticulum
Golgi body
mitochondria
nucleus
cell wall
vacuoles
cytoplasm
oxysomes
sphaerosomes
ribosomes
dictyosomes
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
green plants
animals
bacteria and cyanobacteria
both (b) and (c)