Q.1
on Q444) How many of the following are not the part of endomembrane system? Endoplasmic reticulum, Golgi complex, Lysosome, Chloroplast, Mitochondria, Peroxisomes.
  • a) 4
  • b) 3
  • c) 5
  • d) 2
Q.2
on Q445) Ribosome factories are: (i) Non membrane bound structures. (ii) Seen in both cytoplasm and nucleus. (iii) Site for r-RNA synthesis. (iv) Spherical in shape.
  • a) (i), (ii) and (iv).
  • b) (i) and (iii).
  • c) All except (iv).
  • d) All except (ii).
Q.3
on Q446) Ergastoplasm is a modification of:
  • a) RER.
  • b) SER.
  • c) GB.
  • d) None of these.
Q.4
on Q447) Which structure serves as a protective layer against attack by phagocytes and by viruses?
  • a) Capsule
  • b) Appendages
  • c) Mesosome
  • d) Mitochondria
Q.5
on Q448) Robert Brown discovered nucleus first in:
  • a) Orchid roots.
  • b) Orchid flowers.
  • c) Orchid leaves.
  • d) Orchid pollen grains.
Q.6
on Q449) Bright colours of ripe fruits are due to:
  • a) Amyloplasts.
  • b) Leucoplasts.
  • c) Chromoplasts.
  • d) Chloroplasts.
Q.7
on Q450) A student placed two cells in the same solution in two different containers. The observation was given in the table. Which structure maintains the shape of the cell present in container 2 and provides the most significant difference between the two cells?
Container Observation
1 Cell burst
2 Cell does not change its shape
  • a) Nucleus.
  • b) Cell wall.
  • c) Chloroplast.
  • d) Cell membrane.
Q.8
on Q451) Lysosomes were discovered by:
  • a) Christian de duve.
  • b) Spallanzani.
  • c) Dujardine
  • d) J. Q Plower.
Q.9
on Q452) Hammerling's experiments on Acetabularia proved genetic information is in....
  • a) Cytoplasm.
  • b) Nucleus.
  • c) Rhizoid and stalk.
  • d) Gametes.
Q.10
on Q453) Unstained living tissues of a cell can be examined by:
  • a) Phase contrast microscope.
  • b) Electron microscope.
  • c) Light microscope.
  • d) Autoradiography.
Q.11
on Q454) Who invented electron microscope?
  • a) Jansen.
  • b) Edison.
  • c) Knoll and Ruska.
  • d) Landsteiner.
Q.12
on Q455) The leucoplast which stores protein is known as...
  • a) Aleuroplasts
  • b) Chloroplasts
  • c) Amyloplasts
  • d) Elaioplasts
Q.13
on Q456) Match the following organisms with their approximate sizes:
a. Bacteria 10 - 20 µm
b. Eukaryotic cell 0.1 µm
c. PPLO 0.02 - 0.2 µm
d. Viruses 1 - 2 µm
   
  • a) a = 1 ; b = 2 ; c = 3 ; d = 4
  • b) a = 4 ; b = 1 ; c = 2 ; d = 3
  • c) a = 4 ; b = 1 ; c = 3 ; d = 2
  • d) a = 1 ; b = 4 ; c = 2 ; d = 3
Q.14
on Q457) Which one is not true for mitochondria?
  • a) Unless specifically stained, are not easily visible under microscope.
  • b) The number of mitochondria is constant irrespective of the physiological activity of the cells.
  • c) These are sausage shaped or cylindrical having a diameter of 0.2 - 1.0µm and length 1.0 - 4.1µm.
  • d) All of the above.
Q.15
on Q458) r-RNA composition of larger subunit of ribosomes are:
  • a) 18S + 33S.
  • b) 28S + 5.8S + 5S.
  • c) 23S + 40S.
  • d) 16S + 8S + 5S.
Q.16
on Q459) largest organelle in a plant cell is:
  • a) mitochondrion
  • b) chloroplast
  • c) ribosome.
  • d) golgi apparatus
Q.17
on Q460) The size of prokaryotic ribosome is:
  • a) 10nm by 20nm.
  • b) 10nm by 15nm.
  • c) 15nm by 20nm.
  • d) 15nm by 25nm.
Q.18
on Q461) Which organelle possesses circular DNA?
  • a) Chloroplast
  • b) Lysosome
  • c) Ribosome
  • d) Golgi apparatus
Q.19
on Q462) Match the following:
a. Steward Ribophorin I
b. Plasmid Hypnotoxin of nematoblasts
c. RER Cellular totipotency
d. Golgi apparatus Aerobic respiration
e. Mitochondria Fertility factor
  • a) a - 3 ; b - 2 ; c-2 ; d -5 ; e -4
  • b) a - 5 ; b - 1 ; c-3 ; d -4 ; e -2
  • c) a - 5 ; b - 2 ; c-3 ; d -4 ; e -1
  • d) a - 3 ; b - 5 ; c-1 ; d -2 ; e -4
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