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[QUOTE=mariammal;187248][B]Document Described : [/B]Biology Question Paper, ICSE Question Paper
[B]
BIOLOGY
SCIENCE Paper – 3[/B]
(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 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 questions from Section I and any four questions from Section II.
The intended marks for questions or parts of questions are given in brackets [ ].

[URL]http://www.cisce.org/icse_X_SpecimanQP_2012-13.html[/URL]
[URL]http://www.cisce.org/data/Specimen%20Question%20Paper/SPE%20QPS%202011/16.%20Biology.pdf[/URL]

[B]SECTION I (40 Marks)[/B]
Attempt all questions from this Section
Question 1
(a) Name the following:-
(i) The respiratory pigment found in erythrocytes.
(ii) The organ that produces urea.
(iii) The part of the chloroplast where the light reaction of photosynthesis
takes place.
(iv) A solution whose concentration is greater than that of the cell sap.
(v) The part of the ovary that produces progesterone. [5]
(b) State whether the following statements are true or false. If false, rewrite the correct form of the statement by changing the first word only:
(i) Cones are photoreceptor cells that are sensitive to dim light.
(ii) The Beta cells of the pancreas secrete insulin.
(iii) Tubectomy is the surgical method of sterilization in man.
(iv) Guttation is the loss of water in the form of water droplets from
hydathodes.
(v) Nephrons are the basic unit of the brain. [5]
(c) Give technical terms for the following:
(i) Plasma devoid of fibrinogen.
(ii) Movement of water molecules across the cell membrane from
hypertonic to hypotonic solution.
(iii) The stage where chromosomes lie on the equator of the achromatic
spindle.
(iv) Alternative form of a gene on a pair of homologous chromosome.
(v) Period of complete intrauterine development of the foetus. [5]
(d) Given below are five sets with four terms each. In each set one term is
odd. Choose the odd one out of the following terms given and name the
category to which the others belong: [5]
SET ODD TERM CATEGORY
(i) Sneezing, coughing, blinking, typing
(ii) ADH, TSH, NADPH, ACTH
(iii) Tympanum, macula, cochlea, utriculus
(iv) Stoma, stroma, lamellae, quantosome.
(v) Basophil, neutrophil, Eosinophil, lymphocyte.
(e) Given below is an apparatus used to study a particular process in plants. Study the same and answer the questions that follow:
(i) Name the apparatus.
(ii) Mention one limitation of this apparatus.
(iii) Which phenomenon is studied with the help of this apparatus?
(iv) What is the function of the part marked ‘reservoir’?
(v) What is the role of the air bubble in the experiment? [5]
(f) Choose the correct alternative from the choices given below each statement so as to complete its meaning:
(i) The number of daughter cells formed at the end of meiosis from a cell
are.
(a) 2 Haploid cells
(b) 2 Diploid cells
(c) 4 Haploid cells
(d) 4 Diploid cells.
(ii) Which of the following is not a part of the female reproductive system
in human beings?
(a) Uterus
(b) Ovary
(c) Ureter
(d) Fallopian tube.
(iii) Ovulation occurs:
(a) at the beginning of menstrual cycle
(b) in the mid of the menstrual cycle
(c) at the end of the menstrual cycle
(d) during any time of the menstrual cycle.
(iv) Phototrophic mode of nutrition requires:
(a) Chlorophyll
(b) Sunlight
(c) CO2 and water
(d) All the above.
(v) Plasmolysis identifies the process of:
(a) Imbibition
(b) Diffusion
(c) Active transport
(d) Osmosis. [5]
(g) Given below are five sets of terms. In each case, arrange and rewrite each set so as to be in logical sequence.
(i) Tympanum, stapes, malleus, incus, fenestra ovalis
(ii) Graafian follicle, uterus, oviducal funnel, fallopian tube, ovum
(iii) Soil, water, root hair, xylem, cortex, endodermis
(iv) Association neuron, effector, motor neuron, receptor, sensory neuron.
(v) Lens, pupil, conjunctiva, yellow spot, cornea. [5]
(h) Explain the following terms:
(i) Antiseptic
(ii) Photolysis
(iii) Growth rate of population
(iv) Mutation
(v) Trophic hormone. [5]

[B]SECTION II (40 Marks)[/B]
Attempt any four questions from this Section
Question 3
(a) Complete the following table by filling in the numbered blanks with an
appropriate term/answer: 
Gland Hormone produced Function
Thyroid 1 2
3 4 Dilates pupil of eye
5 Insulin 6
7 ADH 8
9 10 Conversion of glycogen to glucose
(b) (i) Draw a neat diagram of a single Malpighian corpuscle and label the
following parts: 
Glomerulus, Bowman’s capsule, Afferent arteriole, and Efferent
arteriole.
(ii) Name and explain the process that occurs in the glomerulus. [5]

Question 6
(a) (i) Explain the term Plasmolysis. Give one application of this
phenomenon in our daily lives.
(ii) Enumerate the steps involved in testing a green leaf for the presence of starch.
(iii) State any three adaptations in plants to reduce transpiration. [5]
(b) (i) Draw a neat labelled diagram of the structure found in the inner ear.
Name the part of the structure that is responsible for static balance in
human beings.
(ii) Name the tube which connects the cavity of the middle ear with the
throat.
(iii) Name any two microbial diseases and the vaccines used as preventive
measures for each. [5][/QUOTE]

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