Question

(ii) The inner surface of the cheek was scraped using an ice-cream stick. The
material collected was spread on a slide and 'coloured with methylene
blue. A dark spherical dot like structure was visible when observed under
a microscope. This structure is the
[1]
(1) Mitochondria
(2) Nucleus
(3) Chloroplast
(4) Vacuole​

Answer 1

Answer:

2) nucleus

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Answer 2

Answer:

Nucleus

Explanation:

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