The term cell was given by
Robert Hooke
Tatum
Schwann
De Bary
Also read: Cell
2. The cell is not applied for
Algae
Bacteria
Virus
Fungi
Also read: Virus
3. The membrane around the vacuole is known as
Tonoplast
Elaioplast
Cytoplast
Amyloplast
4. Microfilaments are composed of a protein called
Tubulin
Actin
Myosin
Chitin
5. A plant cell wall is mainly composed of
Protein
Cellulose
Lipid
Starch
Also read: Cell Wall
6. Glycolipids in the plasma membrane are located at
Inner leaflet of the plasma membrane
The outer leaflet of the plasma membrane
Evenly distributed in the inner and outer leaflets
It varies according to cell types
Also read: Cell Wall and Cell Membrane
7. Lysosomes are known as “suicidal bags” because
Parasitic activity
Presence of food vacuole
Hydrolytic activity
Catalytic activity
Also read: Lysosome Structure and Functions
8. The properties of integral membrane proteins can be studied by
Atomic force microscopy
Cryo-sectioning and electron microscopy
Freeze-fracture technique and electron microscopy
All of the above
9. The fluidity of the plasma membrane increases with
Increase in unsaturated fatty acids in the membrane
Increase in saturated fatty acids in the membrane
Increase in glycolipid content in the membrane
Increase in phospholipid content in the membrane
10. Which among the following defines GPI anchored proteins?
Integral proteins of the plasma membrane
Peripheral proteins of the plasma membrane
Proteins that bind to ion-gated channels in the plasma membrane
Proteins which randomly bind to lipids of the plasma membrane
11. The resting potential membrane is determined by
Potassium-ion gradient
Sodium-ion gradient
Bicarbonate-ion gradient
None
12. The oxygen and carbon dioxide crosses the plasma membrane by the process of
Active diffusion
Facilitated diffusion
Passive diffusion
Random diffusion
Also read: Facilitated diffusion
13. A cell without a cell wall is termed as
Tonoplast
Protoplast
Symplast
Apoplast
14. Which is not an example of transmembrane transport between different subcellular compartments?
Transport from the stroma into thylakoid space
Transport from the cytoplasm into the lumen of the endoplasmic reticulum
Transport from the endoplasmic reticulum into the Golgi complex
Transport from mitochondrial intermembrane space into the mitochondrial matrix
15. Which is correct regarding the peptides in the Ramachandran Plot?
The sequence of the peptide can be deduced
It is not possible to conclude whether a peptide adopts entirely helix or entirely beta-sheet conformation
Peptides that are unstructured will have all the backbone dihedral angles in the disallowed regions
The occurrence of a beta-turn conformation in a peptide can be deduced.
16. The function of the centrosome is
Formation of spindle fibres
Osmoregulation
Secretion
Protein synthesis
Also read: Centrosome
17. Which cell organelle is involved in apoptosis?
Lysosome
ER
Golgi
Mitochondria
Also read: Mitochondria
18. Phosphatidylserine residues in the plasma membrane are located at
Inner leaflet of the plasma membrane
The outer leaflet of the plasma membrane
Evenly distributed in the inner and outer leaflet
None
19. Distribution of intrinsic proteins in the plasma membrane is
Random
Symmetrical
Asymmetrical
None
20. Select a foodborne toxin
Botulinum toxin
Tetanus Toxin
Diphtheria toxin
Cholera Toxin
Answer Key
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