9८

26. During the formation of urine in the kidney, most of the water is reabsorbed into the blood in

عط
‎[ക] Ascending loop of henle (४) Descending loop of henle‏
‎(C) Distal convoluted tubule (D) Proximal convoluted tubule‏

27. The following points about microfilaments are true except :
(है) They form cytoskeleton with microlubules
(8) They provide support and shape
(C) They form intracellular conducting channels
(D) 10% are involved in muscle cell contraction

28. Production of more than one phenotypic trait by a single gene is called :
{A) Pleiotrophy (8) Genetic determinism
(5) Codominance (D) கோனி recombination

29. Hydrolases are involved in hydrolysis of :
(ക) Esters (8 Glycosidic bonds
(C) Peptide bond (11) All the above

30. What are cadherins ?
(A) Proteins that permil adjacent cells to form adherens junctions
(8) Protemns that link the basal membrane of epithelial cells to laminins
(2) Proteins that bind intergrins to intermediate filaments in skin cells
॥ Prateins that allow white blood cells to cone to a rolling stop in blood vessels

31. The glial cells that destroy micro-organism in the CNS are -
(ಗಿ) Microglia (8) Satellite cells
)© Oligodendrocytes (D) Astrocytes

32. Which of the following does not contribute to the resolution attainable by ഒ microscope ?
(A) The refractive index of the material between the specimen and the lens
(8) The numerical aperture of the lens
(ल) ट magnitude of the objective lens
(>) The wavelength ‏اونا عض له‎

33. Which of the following does not occur during PCR ?
(A) Production of many pieces of single-stranded DNA
(8) The amount of DNA doubles with each round of replication
(C) Repeating cycles of healing and cooling DNA
(೧) The strands of the original DNA sample are unwound

189/2015 6 A