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Cell Cycle and Cell Division — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYCell Cycle and Cell Division2 Marks
Question
Mention two functions of the centrioles.
✓

Answer

Functions of centrioles are:
  1. The centrioles play a vital role in cell division by forming spindle fibres, which act as guides for the alignment of the chromosomes as they separate later during the process of cell division.
  2. The centrioles are also responsible for formation of basal bodies, cilia and flagella.

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Column I
 
Column II
A
Bulli form cells
1
Single-layered
B
Epidermis
2
Waxy layer
C
Cuticle
3
Empty, colourless cells
D
Epidermis
4
Stomata
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Match Column I with Column II.
S. No
Column I
S. No
Column II
(a)
Basophils
1.
6-8%
(b)
Lymphocytes
2.
60-65%
(c)
Neutrophils
3.
0.5-1.0%
(d)
Monocytes
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