1. : The diameter of a typical plant or animal cell is
(A) 5 to 10 μm
(B) 1 to 5 μm
(C) 10 to 20 µm
(D) 5 to 100 μm
2. : The characterization of the structure, function, evolution, and mapping is known as
(A) Bioenergetics
(B) Genomics
(C) Glycolysis
(D) Proteomics
3. : Shorter polymers are known as
(A) Monomer
(B) Oligomers
(C) Dimers
(D) Tetramers
4. : ___ is the component of the cell enclosed by the plasma membrane
(A) Cytosol
(B) Cytoplasm
(C) Nuclear membrane
(D) Ribosomes
5. : Which of the mentioned is particulate component of the cell?
(A) Mitochondria
(B) Chloroplast
(C) Ribosomes
(D) All A, B, and C
6. : Which of the mentioned structural components separates the contents of the cell from the surroundings?
(A) Cytosol
(B) Cytoplasm
(C) Nucleus
(D) Plasma membrane
7. : Which is the site for protein synthesis and degradation?
(A) Ribosome
(B) Golgi apparatus
(C) Chloroplast
(D) Mitochondria
8. : In which part of the cell is the genome replicated?
(A) Nuclear membrane
(B) Cytoplasm
(C) Nucleus apparatus
(D) Golgi
9. : Cells with nuclear envelope belong to
(A) Prokaryotes
(B) Eukaryotes
(C) Polykaryotes
(D) None of A, B, and C
10. : Bacteria and archaea are also known as
(A) Prokaryotes
(B) Polykaryotes
(C) Eukaryotes
(D) None of A, B, and C
11. : The branch of science concerned with the chemical and physico-chemical processes and substances that occur within living organisms is known as
(A) Analytical Chemistry
(B) Biochemistry
(C) Physical Chemistry
(D) Organic Chemistry
12. : Which of the mentioned substances belong to complex biomolecules?
(A) Lipids
(B) Carbohydrates
(C) Proteins
(D) All
13. : Which of the mentioned is not a habitat of archaea?
(A) Salt lakes
(B) Hot spring
(C) Acidic bogs
(D) Soils
14. : The obligate organisms die when exposed to less
(A) Hydrogen
(B) Oxygen
(C) Nitrogen
(D) Methane
15. : The organisms which obtain their energy from sunlight are known as
(A) Autotrophs
(B) Chemotrophs
(C) Phototrophs
(D) Heterotrophs
16. : The organisms which obtain their energy from oxidation of a chemical fuel are known as
(A) Chemotrophs
(B) Autotrophs
(C) Heterotrophs
(D) Autotropha
17. : Which of the following are the organisms which synthesize all of their biomolecules directly from carbon dioxide?
(A) Autotrophs
(B) Chemotrophs
(C) Heterotrophs
(D) Autotrophe
18. : Which of the mentioned cell organelles is concerned with energy extraction reactions of the cell?
(A) Ribosomes
(B) Lysosomes
(C) Mitochondria
(D) Golgi complex
19. : Which of the mentioned cell organelles is concerned with degradation of cell debris?
(A) Lysosomes
(B) Endoplasmic reticulum
(C) Golgi complex
(D) Nucleotide
20. : Which of the following are the small circular segments of DNA in nucleus?
(A) Endoplasmic reticulum
(B) Plasmids
(C) Lysosomes
(D) Nucleotide
21. : Which of the following is the mechanism of transport of metabolites from the cell to its surroundings?
(A) Endocytosis
(B) Osmosis
(C) Diffusion
(D) Exocytosis
22. : The monomeric subunits of proteins, nucleic acids and polysaccharides are joined through
(A) Covalent bonds
(B) H-bonds
(C) Ionic bonds
(D) Metallic bonds
23. : Which of the mentioned non-covalent interactions are present in macromolecules like proteins, enzymes, polysaccharides etc.?
(A) Hydrophobic interactions
(B) van der Waals interactions
(C) H-bonds
(D) All A, B, and C
24. : One Dalton is equal to one twelfth the mass of an atom of
(A) H-1
(B) O-16
(C) N-14
(D) C-12
25. : Which of the mentioned functional groups are present in the biomolecules like proteins, nucleotides etc.?
(A) Carboxylic
(B) Amino
(C) Hydroxyl
(D) All A, B, and C
26. : The sum of all the proteins functioning in a given cell is known as
(A) Enzymology
(B) Proteomics
(C) Microbiology
(D) Virology
27. : The lipid comprising molecules in a cell constitute its
(A) Lipidome
(B) Glycome
(C) Proteome
(D) Metabolome
28. : The carbohydrate comprising molecules in a cell constitute its
(A) Proteome
(B) Lipidome
(C) Glycome
(D) Metabolome
29. : The entire collection of small molecules in a given cell under a specific set of conditions is known as
(A) Proteome
(B) Lipidome
(C) Glycome
(D) Metabolome
30. : The systematic characterization of the metabolome under very specific conditions is known as
(A) Genomics
(B) Proteomics
(C) Metabolomics
(D) Genetics
31. : The particulate components sediment when cytoplasm is centrifuged at—
(A) 15,000 g
(B) 1700 g
(C) 230,000 g
(D) 130 g
32. : The aqueous component of the cytoplasm of a cell, within which various organelles and particles are suspended, is known as
(A) Nucleus
(B) Cytosol
(C) Proteasomes
(D) Ribosome
33. : Which of the mentioned components is part of cytosol?
(A) Inorganic ions
(B) RNA molecules
(C) Enzymes
(D) All A, B, and C
34. : What is the diameter of many unicellular microorganisms?
(A) 12 to 22 μm
(B) 3 to 7 μm
(C) 1 to 2 μm
(D) 5 to 100 μm
35. : Which of the mentioned is not habitat of bacteria?
(A) Soils
(B) Surface water
(C) Salt lakes
(D) Tissues of decaying materials