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Set A MAHESH TUTORIALS I.C.S.E. GRADE - X (2015-2016) Exam No. : MT/ICSE/PRELIM -I-SET - A - 006 BIOLOGY SCIENCE Paper - 3 (One hour and a half) Answers to this Paper must be written on the paper provided separately. You will not be allowed to write during the first l5 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 questions from Section I and any four questions from Section II. The intended marks for questions or parts of questions are given in brackets [ ]. SECTION I (40 Marks) Attempt all questions from this section. Question 1 (a) Name the following : [5] (i) The gland present in the eyes. (ii) The gland which is often called master gland. (iii) The cell division also known as reduction division. (iv) The endocrine gland present only in females. (v) Large polyhedral cells in the connective tissue of the testis which produce male sex hormone. (b) Given below is an example of a certain structure and the special functional activity with which it is concerned. [5] Example : Cochlea and hearing. On a similar pattern, fill in the blanks in the following pairs to represent relationships between the structure and their special functional activity. (i) Acting as a cushion for the embryo and ________. (ii) Vitamin A and synthesis of ________. (iii) Rods and _______ . (iv) Semicircular canal and _______ . (v) ______ and maintaining the shape of the eyeball. (c) Choose the odd one out and give the reason for your answer : [5] (i) Midbrain, cerebrum, motor impulses, pons. (ii) Hormones, low molecular weight, electrical signals, chemical messengers. T15 PIA 006 Copyright reserved. This Paper consists of 5 printed pages. Turn over
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