Biology 2011 Solved Paper Previous Year Question ICSE

Biology 2011 Solved Paper Previous Year Question 

Biology 2011 Solved Paper Previous Year Question ICSE with Sample Paper for 2020 and Other Previous Year Solved Question for practice so that student of Class 10th ICSE can achieve their goals in next exam of council. Sample paper for Biology for 2020 exam also given . Hence by better practice and Solved Question Paper of Previous Year including 2011 is very helpful for ICSE student. By the practice of Biology 2011 Solved Question Paper ICSE Previous Year you can get the idea of solving. Try Also other year except Biology 2011 Solved Question Paper ICSE Previous Year for practice. Because only Biology 2011 Solved Question Paper ICSE Previous Year is not enough for preparation of council exam.

How To Solve ICSE Biology 2011 Paper (Previous Year)

Before start solving Biology ICSE Paper you should read the following topics clearly.

  1.  Read all chapter with figure.
  2. Make a short notes on Latest Topics
  3. Practice Labelled figure with Function
  4. Answer should be to the Point.
  5. focus on Key Word in answer
  6. Practice Chapter wise exercise of Concise, and Other Famous writer of Biology.
  7. Biology 2011 Solved Question Paper given below for practice.

Biology 2011 Solved Paper Previous Year Question

(Two Hours)

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 [ ].

ICSE Biology 2011 Previous Year Paper  (Solved)

Section -1 (40 Marks)

(Attempt All questions from this section

Question 1:

(a) Name the following :

(i) The mineral element essential for the clotting of blood.
(ii) The cells of the testes that produce male hormones.
(iii) The nutritive layer of the eye which also prevents reflection of light.
(iv) The structural and functional unit of the kidney.
(v) That part of the chloroplast where the light reaction of photosynthesis takes place.    [5]

(b) State the main function of the following :

(i) Yellow spot. (ii) Coronary artery (iii) Medulla oblongata (iv) Thrombocytes (v) Vitreous humour  

(c) Copy and complete the following by filling in the blanks 1 to 5 with appropriate words/terms Iphrases :

To test the leaf for starch, the leaf is boiled in water to ………. (1). It is next boiled in methylated spirit to ………. (2). The leaf is placed in warm water to soften it. It is then placed in a dish and ………. (3) solution is added. The region, which contains starch, turns ………. (4) and the region, which does not contain starch, turns ………. (5).    [5]

(d) Give the exact location of:

(i) Hydathodes
(ii) Organ of corti
(iii) Mitral valve
(iv) Pituitary gland
(v) Amnion.    [5]

(e) State whether the following statements are true or false. If false rewrite the correct form of the statement by changing the first or last word only.

(i) Lysosomes is a part of the cell in which chromosomes are present.
(ii) Urethra carries urine from kidney to the urinary bladder.
(iii) Centromere is the organelle of the cell that initiates cell division.
(iv) Gestation is the process of fixing of the zygote to the uterine wall.
(v) Pencillin obtained from Pencillium notatum is an antibody.    [5]

(f) Rewrite the complete the following sentences by inserting the correct word in the space indicated:

(i) ………. vaccine is given to build up immunity against polio.
(ii) Phenotype is the observable characteristic which is ………. controlled.
(iii) Wooden doors swell up in rainy season due to ………. .
(iv) The blood vessel that begins and ends in capillaries is the ………. .
(v) ………. is the phenomenon of contraction of the cytoplasm from the cell wall.   [5]

(g) Study the following diagram carefully and then answer the questions that follow:
icse-previous-papers-solutions-class-10-biology-2011-1

(i) Name the cell labelled 1.
(ii) Identify the phenomenon occurring in A.
(iii) Mention two structural differences between 1 and 2.
(iv) Name the process occurring m B and C and state the importance of this process in the human body.                                                                                     [5]

(h) Match the items in Column I with that which is most appropriate in Column II.

 

Column I Column II
(1) Pacemaker (a) Associated with static body balance
(2) Stroma (b) Chordae tendinae
(3) Afferent nerve (c) Site of light reaction
(4) Prolactin (d) Motor neuron
(5) Saccules (e) S A node
(f) Stimulates production of milk by the mammary  gland
(g) Site of dark reaction
(h) Transmits impulses from receptor organ to spinal ftord.
(i) Secreted by unterior, tube of Pituitary gland
(j) Transfers impulses from spinal cord to muscles

Answer: 1

(a) (i) Calcium
(ii) Interstitial cells
(iii) Choroid
(iv) Nephron
(v) Grana

(b) (i) Is the area of best vision as it has maximum no. of cone cells and perceieves image in the best manner.
(ii) Supplies oxygenated blood to the walls of heart.
(iii) Controls the involuntary activities of the body.
(iv) Helps in blood clotting by producing thromboplastio.
(v) Jelly like substance giving round shape to eye ball.

(c) (1) kill the cells, (2) remove chlorophyll, (3) iodine, (4) blue black, (5) brown.

(d) (i) On the margins of leaves of some plants.
(ii) In the endolymph present in the middle dual of cochlea.
(iii) Between left amide and left ventricle
(iv) At the base of midbrain.
(v) Around the embryo in the uterus.

(e) (i) False; Nucleus is a part of the cell in which chromosomes are present.
(ii) False; Ureter carries urme from kidney to the urinary bladder.
(iii) False; Centrosome is the organelle of the cell that initiates cell division.
(iv) False; Implantation is the process of fixing of the zygote to the uterus wall.
(v) False; Pencillm obtained from Pencillium notatum is an antibiotic.

(f) (i) Salk’s vaccine is given to build up immunity against polio.
(ii) Phenotype is the observable characteristic which is genetically controlled.
(iii) Wooden doors swell up in rainy season due to imbibition.
(iv) The blood vessel that begins and ends in capillaries is the hepatic portal system.
(v) Plasmolysis is the phenomenon of contraction of the cytoplasm hern cell wall.

(g) (i) 1-Red blood cells.
(ii) Diapedesis
(iii)

1 2
(a)    Biconcave in shape(b)   Nucleus absent Amoeboid in shape

Nucleus present

(iv) Phagocytosis Process. By this process the WBC engulfs the diseases causing germs that enter the body and thus defend our body.

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