ICSE-X-Biology
Previous Year Paper year:2013
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- #ICSE Board
Class X Biology
Board Paper 2013
(One hour and a half)
General Instructions: Total Marks: 80
1. Answers to this paper must be written on the paper provided separately.
2. You will not be allowed to write during the first 15 minutes.
This time is to be spent in reading the question paper.
3. The time given at the head of t h e paper is the time allotted for writing the answers.
4. Attempt all questions from Section I and any four questions from Section II.
5. The intended marks of questions or parts of questions are given in brackets [ ].
- # [40]Section : IAttempt all questions from this section.
- #1
- #1-a [5]Name the following:
- #1-a-iThe cell body of a nerve cell.Ans : Cyton
- #1-a-iiThe waxy layer on the epidermis of the leaf meant to reduce transpiration.Ans : Cuticle
- #1-a-iiiA non-biodegradable pesticide.Ans : DDT
- #1-a-ivThe physical expression of genes in an individual.Ans : Phenotype
- #1-a-vKnot-like mass of blood capillaries inside the Bowman.s capsule.Ans : Glomerulus
- #1-b [5]State the exact location of the following:
- #1-b-iChloroplastAns : Choroplast: They are found in plant cells along the inner margin of cell, membrane and green parts.
- #1-b-iiIncusAns : Incus: Found in middle ear between malleus and stapes.
- #1-b-iiiCorpus callosumAns : Corpus Callosum: Found between two lobes of cerebrum i.e., cerebral hemispheres.
- #1-b-ivGuard cellsAns : Guard cells: They are important constituents of stomata and found connected to adjacent epidemal cells.
- #1-b-vPulmonary semilunar valveAns : Pulmonary semilumar valves: At the base of the pulmonary trunk these valves are found.