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Biology Science Paper 3 2014-2015 ICSE Class 10 Question Paper Solution

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Biology [Science Paper 3]
Marks: 80Date: 2014-2015 March

1. Answers to this paper must be written on the paper provided separately.
2. You will not be allowed to write during the first 15 minutes.
This time is to be spent in reading the question paper.
3. The time given at the head of the paper is the time allowed for writing the answers.
4. Attempt all questions from Section I(Q.1) and any four questions from Section II(Q.2 - Q.7).


[40]1
[5]1.1 | Name the following:
[1]1.1.1

The Biological/technical term for The process of uptake of mineral ions against the concentration gradient using energy from the cell

Concept: Means of Transport - Active Transport
Chapter: [0.024] Absorption by Roots : the Processes Involved
[1]1.1.2

The form in which glucose in stored in liver. 

Concept: Elementary Treatment of the Structure and Function of the Kidneys
Chapter: [0.031] The Excretory System (Elimination of Body Wastes)
[1]1.1.3

The vein that carries oxygenated blood.

Concept: Concept of Circulatory System
Chapter: [0.032] The Circulatory System
[1]1.1.4

The cross between two parents having one pair of contrasting characters

Concept: Genetics: Mendel’s Laws of Inheritance
Chapter: [0.011000000000000001] Genetics – Some Basic Fundamentals
[1]1.1.5

The structure formed by the villi of the embryo and the uterus of the mother.

Concept: Reproduction in Human Beings
Chapter: [0.034] The Reproductive System
[5]1.2 | The statements given below are false. Rewrite the correct form of the statement by changing the word which is underlined:
[1]1.2.1

Rewrite the correct form of the statement : Alpha cells of pancreas secrete Insulin.

Concept: Endocrine System -adrenal Gland
Chapter: [0.035] The Endocrine System
[1]1.2.2

Rewrite the correct form of the statement: Formalin is an example of an Antiseptic

Concept: First Aid - Basic Principles of First Aid
Chapter: [0.042] Aids to Health
[1]1.2.3

Rewrite the correct form of the statement: CNG is mainly responsible for the formation of acid rain.

Concept: Acid Rain - Composition, Cause and Its Impact
Chapter: [0.05] Pollution
[1]1.2.4

Rewrite the correct form of the statement: Sulphadiazine is an example of an Antiseptic.

Concept: First Aid - Basic Principles of First Aid
Chapter: [0.042] Aids to Health
[1]1.2.5

Rewrite the correct form of the statement: Cretinism is caused due to deficiency of Adrenaline.

Concept: Endocrine System -adrenal Gland
Chapter: [0.035] The Endocrine System
[5]1.3 | Choose the correct answer from the four options given below:
[1]1.3.1

A single highly coiled tube where sperms are stored, gets concentrated and mature us known as:
A. Epididymis
B. Vas efferentia
C. Vas deferens
D. Seminiferous tubule

Concept: Reproduction in Human Beings
Chapter: [0.034] The Reproductive System
[1]1.3.2

Chromosomes get aligned at the centre of the cell during:
A. Metaphase
B. Anaphase
C. Prophase
D. Telophase

Concept: Chromosomes - Basic Structure, Number
Chapter: [0.012] Cell Cycle, Cell Division and Structure of Chromosomes
[1]1.3.3

BCG vaccine is effective against
A. Cholera
B. Mumps
C. Tuberculosis
D. Measles

Concept: Common Health Problems in India
Chapter: [0.040999999999999995] Health Organisations
[1]1.3.4

Which one of the following associated with the maintenance of the posture?
A. Cerebrum
B. Cerebellum
C. Thalamus
D. Pons

Concept: Concept of Brain
Chapter: [0.033] The Nervous System
[1]1.3.5

An example of non-biodegradable waste is
A. Vegetable peels
B. Sewage
C. Livestock waste
D. DDT

Concept: Sources of Pollution and Major Pollutant - Water
Chapter: [0.05] Pollution
[5]1.4 | Mention the exact location of the following structures:
[1]1.4.1

the exact location of the Thylakoids

Concept: Concept of Photosynthesis
Chapter: [0.022000000000000002] Photosynthesis: Provider of Food for All
[1]1.4.2

the exact location of the Organ of Corti

Concept: Ear: Parts and Functions of the Ear
Chapter: [0.033] The Nervous System
[1]1.4.3

the exact location of the Lenticels

Concept: Rise of Water up to the Xylem
Chapter: [0.024] Absorption by Roots : the Processes Involved
[1]1.4.4

the exact location of the Bicuspid value

Concept: Concept of Circulatory System
Chapter: [0.032] The Circulatory System
[1]1.4.5

the exact location of the Loop of Henle

Concept: Elementary Treatment of the Structure and Function of the Kidneys
Chapter: [0.031] The Excretory System (Elimination of Body Wastes)
[5]1.5

The diagram given below represents a certain stage of mitosis: 

(i) Identify the stage of cell division.
(ii) Name the parts labelled A and B
(iii) What is the unique feature observed in this stage?
(iv) How many daughter cells are formed from this type of cell division?

Concept: Cell Division and Cell Cycle
Chapter: [0.012] Cell Cycle, Cell Division and Structure of Chromosomes
[5]1.6 | Given below is an example of a certain structure and its special functional activity. On a similar pattern fill in the blanks with suitable functions: Example: Chloroplast and photosynthesis
[1]1.6.1

fill in the blanks with suitable functions: Xylem and  __________.

Concept: Plant - Absorption of Water and Minerals
Chapter: [0.024] Absorption by Roots : the Processes Involved
[1]1.6.2

fill in the blanks with suitable functions: Ciliary body and __________.

Concept: Ear: Parts and Functions of the Ear
Chapter: [0.033] The Nervous System
[1]1.6.3

fill in the blanks with suitable functions: Seminiferous Tubule and _____

Concept: Reproduction in Human Beings
Chapter: [0.034] The Reproductive System
[1]1.6.4

fill in the blanks with suitable functions: Thyroid gland and _________

Concept: Endocrine System -adrenal Gland
Chapter: [0.035] The Endocrine System
[1]1.6.5

fill in the blanks with suitable functions: Eustachian Tube and ______

Concept: Concept of Circulatory System
Chapter: [0.032] The Circulatory System
[5]1.7 | Rewrite and complete the following sentences by inserting the correct word in the space indicated:
[1]1.7.1

The phenomenon of loss of water through a cut stem or injured part of plant is called ___________.

Concept: Rise of Water up to the Xylem
Chapter: [0.024] Absorption by Roots : the Processes Involved
[1]1.7.2

___________ is the scientific name of garden pea, which Mendel used for his experiments.

Concept: Genetics: Mendel’s Laws of Inheritance
Chapter: [0.011000000000000001] Genetics – Some Basic Fundamentals
[1]1.7.3

A fluid that occupies the larger cavity of the eye ball behind the lens is
___________.

Concept: Ear: Parts and Functions of the Ear
Chapter: [0.033] The Nervous System
[1]1.7.4

Oxygen combines with haemoglobin present in RBC and forms _____.

Concept: Composition of Blood
Chapter: [0.032] The Circulatory System
[1]1.7.5

___________ causes corrosion of the marble or brick surface.

Concept: Acid Rain - Composition, Cause and Its Impact
Chapter: [0.05] Pollution
[5]1.8 | Match the items in Column ‘A’ with those which are most appropriate in Column ‘B’.Rewrite the matching pairs as shown in the example: Example: Fibrinogen – Clotting of blood.

Match the Column:

no Column A Column B
1 Allele Control of automobile exhaust
2 Leydig cells Tourniquet
3 Utriculus Alternate forms of genes
4 Snake bite Dynamic equilibrium
5 Euro IV norms Testosterone
    Sudden change in genes
    Static equilibrium
Concept: Reproduction in Human Beings
Chapter: [0.034] The Reproductive System
[10]2
[5]2.1

The diagram below shows two test-tubes A and B. Test-tube A contains a green water plant. Test-tube B contains both a green water plant and a snail. Both testtubes are kept in sunlight. Answer the questions that follow:

(i) Name the physiological process that releases the bubbles of oxygen.
(ii) Explain the physiological process as mentioned above in Q2 (a)(i).
(iii) What is the purpose of keeping a snail in test-tube ‘B’?
(iv) Why does test-tube ‘B’ have more bubbles of oxygen?
(v) Given an example of a water plant that can be used in the above process.
(vi) Write the overall chemical equation for the above process.

Concept: Concept of Photosynthesis
Chapter: [0.022000000000000002] Photosynthesis: Provider of Food for All
[5]2.2 | Give the biological/technical terms for the following :

the biological/technical terms for A mixture of smoke and fog.

Concept: Sources of Pollution and Major Pollutan - Air
Chapter: [0.05] Pollution

the biological/technical terms for Capacity of our body to resist disease.

Concept: Concept of Aids to Health
Chapter: [0.042] Aids to Health

the biological/technical terms for Fixing of developing zygote on the uterine wall.

Concept: Menstrual Cycle
Chapter: [0.034] The Reproductive System

the Biological/technical term for Complete stoppage of menstrual cycle in females

Concept: Menstrual Cycle
Chapter: [0.034] The Reproductive System

the biological/technical terms for the hormone increasing reabsorption of water by kidney tubules

Concept: Elementary Treatment of the Structure and Function of the Kidneys
Chapter: [0.031] The Excretory System (Elimination of Body Wastes)

the biological/technical terms for a thin membrane covering the entire front part of the eye.

Concept: Ear: Parts and Functions of the Ear
Chapter: [0.033] The Nervous System

the biological/technical terms for the lens of eye losing flexibility resulting in a kind of long-sightedness in middle aged people.

Concept: Eye Defects and Corrective Measures
Chapter: [0.033] The Nervous System

the biological/technical terms for the number of persons living per square kilometre at any given time.

Concept: Problems Posed by the Increase in Population in India
Chapter: [0.036000000000000004] Population – The Increasing Numbers and Rising Problems

the biological/technical terms for The process by which white blood cells engulf bacteria

Concept: Common Health Problems in India
Chapter: [0.040999999999999995] Health Organisations
[10]3
[5]3.1

An apparatus as shown below was set up to investigate a physiological process in plants. The setup was kept in sunlight for two hours. Droplets of water were then seen inside the bell jar. Answer the questions that follow:

(i) Name the process being studied.
(ii) Explain the process named above in Q.3(a)(i).
(iii) Why was the pot covered with a plastic sheet?
(iv) Suggest a suitable control for this experiment.
(v) Mention two ways in which this process is beneficial to plants.
(vi) List three adaptations in plants to reduce the above mentioned process.

Concept: Rise of Water up to the Xylem
Chapter: [0.024] Absorption by Roots : the Processes Involved
[5]3.2 | Briefly answer the following questions:
[1]3.2.1

State two reasons for the increase of population in India.

Concept: Problems Posed by the Increase in Population in India
Chapter: [0.036000000000000004] Population – The Increasing Numbers and Rising Problems
[1]3.2.2

What is the significance of amniotic fluid?

Concept: Nutrition and Respiration of the Embryo
Chapter: [0.034] The Reproductive System
[1]3.2.3

What is the function of ear ossicles?

Concept: Ear: Parts and Functions of the Ear
Chapter: [0.033] The Nervous System
[1]3.2.4

Mention any two activities of the WHO

Concept: Health Organisations
Chapter: [0.040999999999999995] Health Organisations
[1]3.2.5

State Mendel’s law of Dominance.

Concept: Genetics: Mendel’s Laws of Inheritance
Chapter: [0.011000000000000001] Genetics – Some Basic Fundamentals
[10]4
[5]4.1

The diagrams given below are cross sections of blood vessels:

(i) Identify the blood vessels A, B and C.
(ii) Name the parts labelled 1 to 3.
(iii) Name the type of blood that flows through A.
(iv) Mention one structural difference between A and B.
(v) In which of the above vessels does exchange of gases actually take place?

Concept: Composition of Blood
Chapter: [0.032] The Circulatory System
[5]4.2 | Differentiate between the following pairs on the basis of what is mentioned within brackets:
[1]4.2.1

Differentiate between Diffusion and Osmosis (Definition)

Concept: Diffusion and Osmosis
Chapter: [0.024] Absorption by Roots : the Processes Involved
[1]4.2.2

Differentiate between the RBC and WBC (Shape)

Concept: Composition of Blood
Chapter: [0.032] The Circulatory System
[1]4.2.3

Differentiate between the Tubectomy and Vasectomy (Part cut and tied)

Concept: Male Accessory Glands
Chapter: [0.034] The Reproductive System
[1]4.2.4

Differentiate between the Vasopressin and Insulin (Deficiency disorder)

Concept: Common Health Problems in India
Chapter: [0.040999999999999995] Health Organisations
[1]4.2.5

Differentiate between the Rods and Cones of Retina (Type of pigment) 

Concept: Ear: Parts and Functions of the Ear
Chapter: [0.033] The Nervous System
[10]5
[5]5.1

The diagram given below shows a section of human kidney. Study the diagram carefully and answer the questions that follow :

(i) Label the parts numbered 1 to 4.
(ii) Why does part ‘2’ have a striped appearance?
(iii) What is the fluid that passes down part ‘4’? Name the main nitrogenous waste present in it.
(iv) Mention the structural and functional units of kidneys.
(v) Name the two major steps in the formation of the fluid mentioned in Q.5 (a) (iii).

Concept: Elementary Treatment of the Structure and Function of the Kidneys
Chapter: [0.031] The Excretory System (Elimination of Body Wastes)
[5]5.2 | Draw neat and labelled diagrams of the following:

Draw neat and labelled diagrams of Malpighian capsule

Concept: Reproduction in Human Beings
Chapter: [0.034] The Reproductive System

Draw neat and labelled diagrams of a myelinated neuron

Concept: Nervous System - Structure of Neuron
Chapter: [0.033] The Nervous System
[10]6
[5]6.1

The diagram given below shows the male urinogenital system of a human being. Study the diagram and answer the questions that follow:

(i) Label the parts numbered 1 to 8.
(ii) Name the corresponding structure of part (4) in female  reproductive system.
(iii) What is the role of part 7?

Concept: Elementary Treatment of the Structure and Function of the Kidneys
Chapter: [0.031] The Excretory System (Elimination of Body Wastes)
[5]6.2
[1]6.2.1

In a homozygous plant round seeds (R) are dominant over wrinkled seeds (r) : Draw a Punnett square to show the gametes and offspring when both the plants have heterozygous round seeds (Rr).

Concept: Genetics: Mendel’s Laws of Inheritance
Chapter: [0.011000000000000001] Genetics – Some Basic Fundamentals
[1]6.2.2

Mention the Phenotype and Genotype ratios of the offspring in F2 generation.

Concept: Genetics: Mendel’s Laws of Inheritance
Chapter: [0.011000000000000001] Genetics – Some Basic Fundamentals
[1]6.2.3

Name the sex chromosomes in human males and females

Concept: Chromosomes - Basic Structure, Number
Chapter: [0.012] Cell Cycle, Cell Division and Structure of Chromosomes
[1]6.2.4

Briefly explain the term ‘Mutation’.

Concept: Genetics: - Sex Linked Inheritance of Diseases
Chapter: [0.011000000000000001] Genetics – Some Basic Fundamentals
[1]6.2.5

What is the number of chromosomes in the gametes of human beings?

Concept: Chromosomes - Basic Structure, Number
Chapter: [0.012] Cell Cycle, Cell Division and Structure of Chromosomes
[10]7
[5]7.1

The diagram below represents the human heart in one phase of its function. Study the diagram carefully and answer the questions that follow:

(i) Name the phase.
(ii) Which part of the heart is contracting in this phase? Give a reason to support your answer.
(iii) Name the parts labelled 1 to 4.
(iv) What type of blood flows through ‘2’?
(v) State the function of the part numbered ‘5’.
(vi) Name the membrane that covers the heart.

Concept: Concept of Circulatory System
Chapter: [0.032] The Circulatory System
[5]7.2 | Explain the following terms:

Explain Greenhouse effect

Concept: Greenhouse Effect and Climate Change
Chapter: [0.05] Pollution

Explain Turgor pressure

Concept: Plant - Turgidity and Flaccidity
Chapter: [0.024] Absorption by Roots : the Processes Involved

Explain Selective reabsorption

Concept: Elementary Treatment of the Structure and Function of the Kidneys
Chapter: [0.031] The Excretory System (Elimination of Body Wastes)

Explain Natality.

Concept: Problems Posed by the Increase in Population in India
Chapter: [0.036000000000000004] Population – The Increasing Numbers and Rising Problems

Explain Pulse

Concept: Concept of Circulatory System
Chapter: [0.032] The Circulatory System

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