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Biology Life Processes CBSE Board 2026 Medium

Observe the figure given below and identify the incorrect step for the activity set-up:

Observe the figure given below and identify the incorrect step for the activity set-up :
Bell-jar Watch-glass containing potassium hydroxide (I) (II)
  1. (a)Both plants are kept in the dark room for three days before placing them in separate glass jars.
  2. (b)Both plants are covered with separate wooden bell-jars.
  3. (c)Use vaseline to seal the bottom of the jars with the glass plates.
  4. (d)Both potted plants were kept in sunlight for a few hours before the iodine test for the presence of starch.

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