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GRADE: 10 DATE: 23.02.17 MOCK EXAMINATION FEBRUARY 2017 BIOLOGY TIME: 2 HOURS MAX.MARKS: 80 _____________________________________________________________________________________________ Answers 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 on 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 the questions are given in brackets [ ]. SECTION I (40 MARKS) Attempt all questions form this section Question 1. a. Name the following: [5] (i) The statistical study of human population (ii) Pair of genes responsible for a particular characteristic in an individual. (iii) A solution whose concentration is greater than that of the cell sap (iv) The part of the chloroplast where the light reaction of photosynthesis takes place. (v) An artery that carries deoxygenated blood. b. Given below are sets of 5 terms each. Without changing the first term, rearrange the remaining four, so as to be in logical sequence. (i) Pathogen, active immunity, produces antibodies, lymphocytes, antigen. (ii) Ovulation, implantation, parturition, gestation, fertilization (iii) Karyokinesis, S-phase, cytokinesis, G1- phase, G2-phase. (iv) Seminiferous tubule, penis, urethra, epididymus, vas deferens (v) Nucleus, DNA, chromosome, nucleosome, nucleotide Page 1 of 6 [5]
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