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HIRANANDANI FOUNDATION SCHO0L,THANE Second Preliminary Examination - January, 2024 Subject: Biology Std. X Date: 10/01/2024 Time: 2 hrs. Max. Marks: 80 Answers 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. This paper consists of6 printed pages. Section Ais compulsory. Atempt any four questions from Section B. The intended marks for questions or parts of questions are given in brackets []. SECTION A (Attempt all questions from this Section) Question 1 Choose the corect answers to the questions from the given options. (Donot copy the question. Write the correct answers only.) Tlhe part of an eye regulating the amount of light entering into the eye is: (a) (b (C (d) (1) Iris. Pupil. Lens. Cornea. Which one of the following steps, when urndertaken will not contribute towards sustainable development? (a) Not wasting food. (b) (c) (d) Planting trees. Exploitative use of natural resources. Reduced use of plastic. (iii) ldentify the part of a sperm cell that plays an important role in penetrating the ovum: (a) (b) (c) Autosome. (d) Acrosome. Lysosome. Allosome. (iv) Doctor has advised Ronnie to take insulin injections. Ronnie suffers from: (a) Dwarfi_m. (b) Hyperglycemia. C (d Myxoedema. Hypoglycemia. (v) Which one of the following statements is incorrect regarding the glomerular filtrate? (a) (b) It is the liquid part of the blood. It contains many useful substances needed for the body. (c) It is the filtrate entering into the glomerulus. (d) It is formed during ultrafiltration. 1 [15]
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