Biology 2018 Solved Paper Previous Year Question ICSE

Biology 2018 Solved Paper Previous Year Question 

Biology 2018 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 2018 is very helpful for ICSE student. By the practice of Biology 2018 Solved Question Paper ICSE Previous Year you can get the idea of solving. Try Also other year except Biology 2018 Solved Question Paper ICSE Previous Year for practice. Because only Biology 2018 Solved Question Paper ICSE Previous Year is not enough for preparation of council exam.

How To Solve ICSE Biology 2018 Paper (Previous Year)

Before start solving chemistry 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.

Biology 2018 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 2018  (Solved)

Section -1 (40 Marks)

(Attempt All questions from this section)

Question 1.(a)

Name the following: [5]
(i) The organization which procures and supplies blood during an emergency.
(ii) The blood vessel which supplies blood to the liver.
(iii) The number of chromosomes present in a nerve cell of a human being.
(iv) The layer of the eyeball that forms the transparent Cornea.
(v) The wax-like layer on the epidermis of leaves which reduces transpiration.

Answer:1(a)

(i) Red cross

(ii) Hepatic artery [Hepatic Portal Vein can also be the answer because the type of blood is not specified].

(iii) 46 [This part of the question must not be under name the following].

(iv) Sclera / sclerotic layer / sclerotic coat / scleroid

(v) Cuticle

(b) Choose the correct answer from each of the four options given below: [5]

(i) The number of Spinal nerves in a human being are :
A. 31 pairs
B. 10 pairs
C. 21 pairs
D. 30 pairs.

Answer:1(b)

 (i)   A. 31 pairs

(ii) Which one of the following is non-biodegradable?
A. DDT
B. Vegetable peel
C. Cardboard
D. Bark of trees

Answer:1(b) (ii)
(ii) DDT

(iii) Aqueous humour is present between the :
A. Lens and Retina
B. Iris and Lens
C. Cornea and Iris
D. Cornea and Lens

Answer:1(b) (iii)
D. Corena and Lens

(iv) A strong chemical substance which is used on objects and surfaces in our surroundings to kill germs :
A. Cresol.
B. Carbolic arid
C. Iodine
D. Mercurochrome

Answer:1(b) (iv)
A. Cresol

(v) Which one of the following is a Greenhouse gas?
A. Oxygen
B. Methane
C. Sulphur dioxide
D. Nitrogen

Answer:1(b) (v)
B. Methane

(c) Complete the following paragraph by filling in the blanks (i) to (v) with appropriate words: [5]


To test a leaf for starch, the leaf is boiled in water to (i)________. It is then boiled in Methylated spirit to (ii) ________.The leaf is dipped in warm water to soften it. It is placed in a petri dish, and (iii) ___________. solution is added. The region of the leaf which contains starch, turns (iv) _________. and the region which does not contain starch, turns (v) _________.

Answer:1(c)

(i) to kill the cells / destroy the enzymes
(ii) Remove chlorophyll / to decolourize it
(iii) Iodine
(iv) Blue black
(v) Brown/yellow

(d) Match the items given in Column A with the most appropriate ones in Column B and rewrite the correct matching pairs. [5]
ICSE Biology Question Paper 2018 Solved for Class 10 - 1
Answer:1(d)

ICSE Biology Question Paper 2018 Solved for Class 10 - 3

(e) CorrectThefollowing statements by changing the underlined words : [5]
(i) Normal pale yellow colour of the urine is due to the presence of the pigment Melanin.
(ii) The outermost layer of Meninges is Pia mater.
(iii) The cell sap of root hair is Hypotonic.
(iv) Xylem transports starch from the leaves to all parts of the plant body.
(v) Nitrogen bonds are present between the complementary nitrogenous bases of DNA.

Answer:1(e)

(i) Urochrome
(ii) Dura mater
(iii) Hypertonic
(iv) Pholem
(v) Hydrogen

(f) Choose between the two options to answer the question specified in the brackets for the following: [5]
An example is illustrated below.
Example: Corolla or Calyx (Which is the outer whorl ?) Answer: Calyx
(i) Blood in the renal artery or renal vein (Which one has more urea?)
(ii) Perilymph or endolymph (Which one surrounds the organ of Corti?)
(iii) Lenticels or stomata (Which one remains open always?)
(iv) Sclerotic layer or choroid layer (Which one forms the his?)
(v) Blood in the pulmonary artery or pulmonary vein (Which one contains less oxyhaempglobin?)

Answer:1(f)

(i) Blood in renal artery
(ii) Endolymph
(iii) Lenticels
(iv) Blood in pulmonary artery
(v) Air pollution

(g) Given below is a representation of a type of pollution. [5]
Study the picture and answer the questions :
ICSE Biology Question Paper 2018 Solved for Class 10 - 4
(i) Name the type of pollution shown in the picture.
(ii) Name one source of this pollution.
(iii) How does this pollution affect human health?
(iv) Write one measure to reduce this pollution.
(v) State one gaseous compound that leads to the depletion of the ozone layer and creates’Ozone holes’.

Answer:1(g)

(i) Air pollution

(ii) Smoke from vehicles / harmful gases from industries

(iii) socauses bronchitis, Lead causes blood cell shortage, Smog leads to asthma and poor visibility, Oxides of nitrogen decreases oxygen carrying capacity of blood.

(iv) Use of lead free petrol and CNG

(v) Chloroflourocarbon

(h) Choose the ODD one out from the following terms given and name the CATEGORY to which the others belong: [5]


Example: Nose, Tongue, Arm, Eye
Answer: Odd Term – Arm, Category – Sense organs.

(i) Detergents, X-rays, sewage, oil spills
(ii) Lumen, muscular tissue, connective tissue, pericardium
(iii) Dendrites, Medullary Sheath, Axon, Spinal cord
(iv) Centrosome, Cell wall, Cell membrane, Large vacuoles
(v) Prostate gland, Cowper’s gland, seminal vesicle, seminiferous tubules.

Answer:1(h)

(i) Odd term – X rays, Category – Water pollution

(ii) Odd term – Pericardium, Category – Parts of blood vessels

(iii) Odd term – Spinal cord, Categoiy – Parts of Neuron

(iv) Odd term – Centrosome, Category – Parts of plant cejl

(v) Odd term – Seminiferous tubule, Category – Accessory glands of male reproductive system

ICSE Biology 2019  (Solved)

Section – II (40 Marks)

(Attempt any four questions from this section)

Question 2.

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