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 :
- NADP
- 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:
(ii) Two harmful effects of acid rain are:
- Damage to vegetation by pollution of the soil.
- Fish and other aquatic organisms are harmed due to increased acidity of water in lakes and rivers.
(iii) The full forms are mentioned below:
- NADP — Nicotinamide Adenine Dinucleotide Phosphate
- ACT — Adrenocorticotropin.
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