E-PolyLearning

26. Cells containing single nucleus are called as
a. mononucleated
b. dinucleated
c. single nucleated
d. multinucleated
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Answer: (a).mononucleated

27. Place on chromosome where spindle fibers are attached during cell division is called
a. chromatids
b. centromere
c. centrioles
d. mitochondria
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Answer: (b).centromere

28. Presence of nucleus in a cell was reported by
a. Robert Hooke
b. Robert Brown
c. Lorenz Oaken
d. Theodor Schwann
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Answer: (b).Robert Brown

29. Rough endoplasmic reticulum assists in synthesis of
a. carbohydrates
b. proteins
c. fats, glucose, starch
d. lipids
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Answer: (b).proteins

30. Organisms which have a distinct nucleus with (chromatin material and a nucleolus) are called
a. Prokaryotic
b. eukaryotic
c. protozoan's
d. protoctists
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Answer: (b).eukaryotic

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