Biology

(i) Draw a well labelled diagram to show the anaphase stage of mitosis in a plant cell having four chromosomes.

(ii) State any two harmful effects of acid rain.

(iii) Expand the following biological abbreviations :

  1. NADP
  2. ACT

Cell Division

ICSE 2013

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Answer

(i) Diagram showing the anaphase stage of mitosis in a plant cell having four chromosomes is shown below:

Draw a well labelled diagram to show the anaphase stage of mitosis in a plant cell having four chromosomes. ICSE 2013 Biology Solved Question Paper.

(ii) Two harmful effects of acid rain are:

  1. Damage to vegetation by pollution of the soil.
  2. Fish and other aquatic organisms are harmed due to increased acidity of water in lakes and rivers.

(iii) The full forms are mentioned below:

  1. NADP — Nicotinamide Adenine Dinucleotide Phosphate
  2. ACT — Adrenocorticotropin.

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