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STD 11 - 2. Biology classification — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 2. Biology classification1 Mark
MCQ
Assertion : Bacteria have three basic shapes, i.e., round , rod, spiral.
Reason : Cocci and Bacilli may form clusters or chain of a definite length.
  • A
    If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
  • B
    If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
  • C
    If the Assertion is correct but Reason is incorrect.
  • ✓
    If the Assertion is incorrect but the Reason is correct
✓

Answer

Correct option: D.
If the Assertion is incorrect but the Reason is correct
d
Bacteria are microscopic organisms whose single cells have neither a membrane enclosed nucleus nor other membrane enclosed orgnelles like mitochondria and chloroplast. Bacteria possess various forms and shapes like coccus (round), bacillus (rod shaped), vibrio (comma shaped) and spirullum (spiral like cork screw).

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