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ICSE MOCK TEST SERIES 1 FOR THE ICSE BIOLOGY 2016 _________________________________________________________________________________ TIME: - 2 HRS GENERAL INSTRUCTIONS MAX MARKS:- 80 Answer to this paper must be written on the paper provided separately. You will not be allowed to write during 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 answers. Attempt all questions from Section I. Answer 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: (i) The fully developed part of ovary containing a mature egg. (ii) The hormone that increases water reabsorption in kidney tubules. (iii) Tiny epidermal pore through which transpiration takes place. (iv) Plasma protein that constitutes antibodies. (v) The process of attachment of fertilized ovum to uterine wall. [5] (b) State the main function of the following: [5] (i) Thrombocytes. (ii) Loop of Henle. (iii) Leuteinizing Hormone. (iv) Chordae tendinae. (v) Corpus callosum (c) Give the exact location of the following: (i) Mitral Valve. (ii)Thyroid gland. (iii) Lenticels (iv) Thylakoid.(v) Nodes of Ranvier. [5] (d) State whether the following statement are true or false. If False rewrite the correct form of the statement by changing either the first or last word only [5] (i) Meninges is the protective membrane around lungs. (ii) Cerebrum is mainly associated with the maintenance of the posture. (iii) Methylene blue is used to detect the presence of starch. (iv) Guttation causes cooling effect in plants. (v) Erythroblastosis foetalis is a Rh incompatible disorder. e) Rewrite and complete following sentences by inserting the correct word in the space indicated: (i) Wooden doors swell up in rainy season due to___________________ . (ii) Largest region of the brain is _________________ . (iii) __________________ is the shrinkage of protoplasm from its cell wall. (iv) The process by which leucocytes engulf bacteria is called _______________. (v) The expanded form of NADP is__________. P.T.O [5] (f) There are five sets consisting of four terms given below. In each set there is a word which is an odd one. For each of these sets write down the category of the group having identified the odd one out, as shown in example: [5] Example: (0) Cell wall, vacuole, centrosome, plastids, mitochondria. Answer: Sl.No Category Odd one 0 Organelles of Plant Cell Centrosome (i) Cresol, DDT, Mercurochrome, Bordeaux mixture. (ii) Transpiration, Photosynthesis, Phagocytosis,Guttation. (iii) Utriculus, Saccules, Malleus, Cochlea (iv) Cyton,Photon,Axon,Dendron (v) Cellophane paper, Parchment paper, Cell Wall, Goat s bladder (g) Rewrite the statement and then select the correct answer. (i) (ii) (iii) (iv) (v) [5] The Antibiotic Penicillin is obtained from (Bacteria/Virus/Fungus/Protozoa) A single highly coiled tube where sperms are stored, gets concentrated and mature is known as (Epididymis/ Vasa efferentia/Vas deferens/Seminiferous tubules) The element which is essential constituent of chlorophyll molecule( Magnesium/ Calcium/ Iron / Manganese ) In plants water supply is due to (Imbibitions / Diffusion /Cohesive force/ Osmosis) BCG vaccine is effective against (Cholera/ Mumps/ Tuberculosis/ Measels) (h) Match the items given in Column A with the most appropriate one Column B and rewrite the correct matching pairs from Column A and Column B and rewrite the correct matching pairs from Column A and rewrite correct matching pairs from Column A and Column B: [5] Sl. Column A Column B No. 1 Leydig cells A Static equilibrium 2 Clotting of blood B Iodopsin 3 Snake bite C Calcium ions 4 Controls peristaltic D Nutrition to sperms movement of alimentary canal 5 Cones E Testosterone production F Rhodopsin G Medulla Oblongata H Cerebellum I Tourniquet J Magnesiun ions P.T.O SECTION II (40 Marks) Attempt any four questions from this Section. Question 2. (a) Given below an apparatus was set up to investigate a physiological process in plants. The set up was kept in sunlight for two hours. Droplets of water were then seen inside the bell jar. Answer the questions that follows:[5] (i) (ii) (iii) (iv) (v) (vi) Name the process being studied. Explained the process named in Q2 (a) (i). Why was the pot covered with a plastic sheet? Suggest a suitable control for this experiment. Mention two ways in which the process is beneficial to plants. List three adaptations in plants to reduce the above mentioned process. (b) Define the following terms: (i) Reflex Action (ii) Photophosphorylation (iii) Antibiotic (iv) Osmosis (v) Ultrafiltration. Question 3. (a) Study the diagram given below and answer the question that follows: (i) (ii) (iii) (iv) (v) [5] [5] Name the region in the kidney where the above structure is present. Name the parts labelled 1, 2, 3 and 4. Name the stages involved in the formation of urine. Differentiate between Ascending and Descending Loop of Henle. Why is the right kidney at slightly lower level than the left? P.T.O (b) Differentiate on the basis of the phrases indicated within the brackets: [5] (i) Cell wall and Cell membrane (Permeability) (ii) Myopia and Hypermetropia (Cause of the defect) (iii) Wall Pressure and Turgor Pressure (Definition) (iv) Cranial nerves and Spinal nerves (Origin) (v) Vasopressin and Insulin (Deficiency disorder) Question 4. (a) Study the following diagram part of the human ear carefully & then answer the questions that follow: (i) (ii) (iii) (iv) [5] Give the biological term for the combination of parts labelled A,B and C. Name the parts labelled A to I in the diagram. Name the audio receptor region present in the part labelled E. Give the function of the parts labelled D,H,G and F. (b) Give Scientific reason for the following statement: [5] (i) Transpiration is a necessary evil. (ii) Nerve impulse is always unidirectional. (iii) Balsam Plants wilt midday even if the soil is well watered. (iv) Chances of pregnancy to be occurred on the mid of the Menstrual cycle. (v) A person after consuming Alcohol walks clumsily. Question 5. (a) The figure given below represents a certain system in humans. Study the diagram and answer the questions that follows:[5] P.T.O. (i) (ii) (iii) (iv) (v) Identify the organ system. Name the parts labelled 1 to 8. Give the function of the part labelled 5 and 6 Mention two structural differences between 1 and 2. Name the type of blood that flows through 3 and 4. (b) A heterozygous tall pea plant is crossed with a homozygous dwarf pea plant. With the help of a Punnett square, show the parents and their offsprings Phenotypes and Genotypes. [3] (c) Name two X linked and two Y- linked defects in humans. [2] Question 6. (a) Answer the questions that follows : [5] (i) What are Diapedesis and Phagocytosis? (ii) State two major functions of Red Cross Society? (iii) Expand NADP and PPP. (iv) Name a neurotransmitter that is present in the synaptic cleft. (v) Give one example of : 1) An antitranspirant which acts as fungicide. 2) One nitrogenous base exclusively found in RNA. (a) The diagram represents the human brain as seen in the external view: [5] (i) Name the parts labelled 1, 2, 3 and 4. (ii) Mention the difference in the arrangement of the nerve cells in the parts marked 1 & 4 (iii) State the main functions of parts marked 3 and 4. (iv) Name the sheet of the nerve fibres that connects the two halves of the part labeled 1. Question 7. (a) Pondweed was placed in a test tube containing pond water and exposed to bright sunlight. Bubbles were seen coming up in the water after sometime. Answer the question that follows: [5] P.T.O. (i) (ii) (iii) (iv) (b) (i) (ii) (iii) Name the gas evolved. What is the source of this gas? For each of the following parts give your answer in terms of bubble count. What would happen if : (a) Pond water is replaced by distilled water. (b) The apparatus is kept in dark. (c) The apparatus is placed in red light. (d) A pinch of sodium bicarbonate is added in the test tube. (e) Crushed ice is added to the water in the test tube. Give a balanced chemical equation to represent the process of photosynthesis. Study the diagram given below and answer the question that follows: [5] Identify the above stage. Give a reason to support your answer. Name the parts labelled 1, 2, 3 and 4. What is the function of part labelled 3. Name the stage that comes just after this stage in the diagram. Draw a neat labelled diagram of that stage. -------------------------------------xxxxxxxxxxxxxxx-------------------------------------Prepared by:Mr. Sumit Roy [Asst. Biology Teacher] (9830431393/9874577160) Post Graduate Diploma in Environmental Biotechnology (C.U.) M.Sc (Zoology), Gold Medalist of Vidyasagar University, B.Ed E mail: - sumitroy888@gmail.com sumit@ssa.org.in
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