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INNISFREE HOUSE SCHOOL I PRELIMINARY EXAMINATION 2014 - 2015 BIOLOGY CLASS : 10 MARKS : 80 DATE : 11-11-2014 TIME : 2 Hrs. Answer to this Paper must be written on the paper provided separately. You will not be allowed to write during the first 15 minutes. This time is to be spent in reading the question paper. The time given at the head of this paper is the time allowed for writing the answers. Attempt all question form Section A (compulsory) This paper consists of 6 printed pages. The intended marks for questions or parts of questions are given in Brackets[ ]. ------------------------------------------------------------------------------------------------SECTION A Question 1 a) Name the following. [5] i) The defect of the eye due to uneven curvature of the cornea. ii) Alternative form of a gene occupying the same position on a chromosome. iii) Specilised membrane bound compartments in a cell. iv) The neurotransmitter stored at the end of the axon. v) A solution whose concentration is more than the cell sap. b) The first pair in the following list indicates the kind of relationship that exists between both the items. Rewrite and complete the second pair on a similar basis. [5] i) Cochlea hearing :: Semicircular canal : ___________ ii) AB blood group; AB antigen :: O blood group : _______________ iii) DDT ; disinfectant :: carbolic acid : ________________ iv) Myopia ; concave lens :: Hyper metropia :______________ v) Diabetes insipidus : water :: diabetes mellitus ; c) Give exact location for the following. i) Thylakoids ii) SA Node iii) Fovea iv) Hydathode v) Adrenal gland [5] d) Given below are five sets with four terms each. In each set one term is odd one. Choose the odd one of the following terms given and name the category to which the others belong. [5] i) sneezing, coughing, blinking, typing ii) Basophil, neutrophil, Eosinophil, lymphocyte iii) Malleus, pinna, incus, stapes. iv) Haemophilia, colourblindness, night blindness, albinism v) Pleura, pericardium, spinalcord, meninges. _________________________________________________________________________________ 2
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