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Biology Set 1 2016-2017 ICSE Class 10 Question Paper Solution

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Biology [Set 1]
Marks: 80Academic Year: 2016-2017
Date & Time: 4th April 2017, 1:00 pm
Duration: 2h

Attempt all questions from Section I and any four questions from Section II.
The intended marks of questions or parts of questions are given in brackets


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

The process by which root hairs absorb water from the soil.

Concept: Water Absorption by the Root
Chapter: [0.021] Absorption by Roots : the Processes Involved
[1]1.1.2

Name the Following
The organ which produces urea.

Concept: Excretion: Substances to Be Eliminated
Chapter: [0.032] The Excretory System (Elimination of Body Wastes)
[1]1.1.3

The kind of lens required to correct Myopia

Concept: Eye Defect and Its Correction: Myopia Or Near-sightedness
Chapter: [0.033] The Nervous System
[1]1.1.4

The pituitary hormone which stimulates contraction of uterus during  child birth.

Concept: Human Reproductive System
Chapter: [0.036000000000000004] The Reproductive System
[1]1.1.5

The international health organisation which educates people in accident prevention.

Concept: International Bodies: Who (World Health Organisation)
Chapter: [0.071] Health Organisations
[5]1.2 | Choose the correct answer from each of the four options given below
[1]1.2.1

The prime source of chlorofluorocarbons is:
A. Vehicular emissions
B. Industrial effluents
C. Domestic sewage
D. Refrigeration equipments

Concept: Air Pollution
Chapter: [0.06] Pollution
[1]1.2.2

Penicillin obtained from a fungus is:
A. Antibiotic
B. Antiseptic
C. Antibody
D. Antiserum

Concept: First Aid - Basic Principles of First Aid
Chapter: [0.07200000000000001] Aids to Health
[1]1.2.3

Marine fish when placed in tap water bursts because of:
A. Endosmosis
B. Exosmosis
C. Diffusion
D. Plasmolysis

Concept: Structure of the Neuron
Chapter: [0.033] The Nervous System
[1]1.2.4

Surgical method of sterilisation in a woman involves cutting and tying of:
A. Ureter
B. Uterus
C. Urethra
D. Oviduct

Concept: Human Reproductive System
Chapter: [0.036000000000000004] The Reproductive System
[1]1.2.5

Synthesis phase in the cell cycle is called so, because of the synthesis of more:
A. RNA
B. RNA and proteins
C. DNA
D. Glucose

Concept: Chromosomes - The Carriers of Heredity
Chapter: [0.012] Cell Cycle, Cell Division and Structure of Chromosomes [0.012] Cell Cycle, Cell Division and Structure of Chromosomes
[5]1.3 | The statements given below are incorrect. Rewrite the correct statement by changing the underlined words of the statements.
[1]1.3.1

The Graafian follicle, after ovulation turns into a hormone producing issue called Corpus callosum.

Concept: Menstrual Cycle
Chapter: [0.036000000000000004] The Reproductive System
[1]1.3.2

Deafness is causal due to the rupturing of the Pinna.

Concept: Ear: Parts and Functions of the Ear
Chapter: [0.033] The Nervous System
[1]1.3.3

Gyri and Sulci are the folds of Cerebellum

Concept: Brain and Its Structure
Chapter: [0.033] The Nervous System
[1]1.3.4

Free movement of solutes in and out of the cell takes place across the cell membrane.

Concept: Introduction of Cell Division
Chapter:
[1]1.3.5

The solvent used to dissolve the chlorophyll pigments while testing a leaf for starch is Soda lime.

Concept: Emphasis on Destarching and the Steps Involved in Starch Test.
Chapter: [0.023] Photosynthesis: Provider of Food for All
[5]1.4 | Given below are sets of five terms each. Rewrite the terms in correct order in a logical sequence. Example : Large intestine, Stomach, Mouth, Small intestine, Oesophagus. Answer : Mouth ⟶ Oesophagus ⟶ Stomach ⟶ Small intestine ⟶ Large intestine.
[1]1.4.1

Fibrin, Platelets, Thromboplastin, Fibrinogen, Thrombin.

Concept: Composition of Blood: Blood Platelets (Thrombocytes)
Chapter: [0.031] The Circulatory System
[1]1.4.2

Cochlea, Malleus, Pinna, Stapes, Incus.

Concept: Photosynthesis - Food Making Process in Plants
Chapter: [0.023] Photosynthesis: Provider of Food for All
[1]1.4.3

Receptor, Spinal cord, Effector, Motor neuron, Sensory neuron.

Concept: Structure of the Neuron
Chapter: [0.033] The Nervous System
[1]1.4.4

Uterus, Parturition, Fertilisation, Gestation, Implantation.

Concept: Menstrual Cycle
Chapter: [0.036000000000000004] The Reproductive System
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[1]1.4.5

Caterpillar, Snake, Owl, Frog, Green leaves.

Concept: Problems Posed by the Increase in Population in India
Chapter: [0.051] Population – The Increasing Numbers and Rising Problems
[5]1.5 | Choose the ODD one out of the following terms given and name the CATEGORY to which the others belong:
[1]1.5.1

Aqueous humour, Vitreous humour, lris, Central canal

Concept: Human Circulatory System
Chapter: [0.031] The Circulatory System
[1]1.5.2

Formalin, Iodine, DDT, Lime

Concept: Photosynthesis - Food Making Process in Plants
Chapter: [0.023] Photosynthesis: Provider of Food for All
[1]1.5.3

ACTH, TSH, ADH, FSH

Concept: Human Reproductive System - Male Reproductive System
Chapter: [0.036000000000000004] The Reproductive System [0.036000000000000004] The Reproductive System
[1]1.5.4

Phosphate, RNA, Sugar, Nitrogenous base

Concept: Emphasis on Destarching and the Steps Involved in Starch Test.
Chapter: [0.023] Photosynthesis: Provider of Food for All
[1]1.5.5

Bile, Urea, Uric acid, Ammonia

Concept: Excretion: Substances to Be Eliminated
Chapter: [0.032] The Excretory System (Elimination of Body Wastes)
[5]1.6 | Given below are groups of terms. In each group the first pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis. Example : Oxygen : Inspiration : : Carbon dioxide : Expiration
[1]1.6.1

Eye : Optic nerve : : Ear : ___________

Concept: Ear: Parts and Functions of the Ear
Chapter: [0.033] The Nervous System
[1]1.6.2

Cytoplasm : Cytokinesis : : Nucleus : __________

Concept: Photosynthesis - Food Making Process in Plants
Chapter: [0.023] Photosynthesis: Provider of Food for All
[1]1.6.3

TT : Homozygous : : Tt : ____________

Concept: Mendel’s Laws of Inheritance
Chapter: [0.013000000000000001] Genetics – Some Basic Fundamentals
[1]1.6.4

Foetus : Amnion : : Heart: ______

Concept: Human Heart - Chambers of the Heart, Septum Or Grooves of Heart
Chapter: [0.031] The Circulatory System
[1]1.6.5

Adenine : Thymine : : Cytosine : ________

Concept: Difference in Endocrine and Exocrine Glands
Chapter: [0.035] The Endocrine System
[5]1.7
[5]1.7.1

Match the items given in Column A with the most appropriate ones in Column B and rewrite the correct matching pairs.

No Column A Column B
  Sacculus dynamic body balance
  Birth rate Hyperglycemia
  DNA and histomes Hypoglycemia
  Euro norms Natality
  Diabetes mellitus static body balance
    vehicular standards
    nucleosome
Concept: Problems Posed by the Increase in Population in India
Chapter: [0.051] Population – The Increasing Numbers and Rising Problems
[5]1.8

The diagram given below represents the location and structure of an endocrine gland. Study the same and answer the questions that follow 

(i) Name the endocrine gland shown in the diagram.
(ii) Name the secretion of the gland which regulates basal metabolism.
(iii) Name the mineral element required for the synthesis of the above mentioned hormone.
(iv) Name the disease caused due to undersecretion of the above mentioned hormone in children.
(v) Name the disease caused due to hypersecretion of the above mentioned hormone.

Concept: Human Endocrine Glands - Adrenal Gland (Adrenal Cortex and Adrenal Medulla)
Chapter: [0.035] The Endocrine System
[10]2
[5]2.1

Study the diagram given below which represents a stage during the mitotic cell division and answer the questions that follow

(i) Identify the stage giving suitable reasons.
(ii) Name the parts numbered 1 and 2.
(iii) What is the technical term for the division of nucleus?
(iv) Mention the stage that comes before the stage shown in the diagram. Draw a neat labelled diagram of the stage mentioned.
(v) Which is the cell division that results in half the number of chromosomes in daughter cells?

Concept: Mitosis and Its Types
Chapter: [0.012] Cell Cycle, Cell Division and Structure of Chromosomes
[5]2.2 | Differentiate between the following pairs on the basis of what is mentioned in brackets
[1]2.2.1

Active Transport and Diffusion [Significance in plants]

Concept: Active, Passive, and Bulk Cell Transport
Chapter: [0.021] Absorption by Roots : the Processes Involved
[1]2.2.2

Demography and Population density [Definition]

Concept: Problems Posed by the Increase in Population in India
Chapter: [0.051] Population – The Increasing Numbers and Rising Problems
[1]2.2.3

Antibiotic and Antibody [Source]

Concept: International Bodies: Who (World Health Organisation)
Chapter: [0.071] Health Organisations
[1]2.2.4

Renal cortex and Renal medulla [Parts of the nephrons present]

Concept: Structure of the Neuron
Chapter: [0.033] The Nervous System
[1]2.2.5

NADP and ATP [Expand the abbreviation]

Concept: Photosynthesis - Food Making Process in Plants
Chapter: [0.023] Photosynthesis: Provider of Food for All
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[10]3
[5]3.1

The diagram given below represents a plant cell after being placed in a strong sugar solution. Study the diagram and answer the questions that follow 

(i) What is the state of the cell shown in the diagram?
(ii) Name the structure that acts as a selectively permeable membrane.
(iii) Label the parts numbered 1 to 4 in the diagram.
(iv) How can the above cell be brought back to its original condition? Mention the scientific term for the recovery of the cell.
(v) State any two features of the above plant cell which is not present in animal cells.

Concept: Introduction of Cell Division
Chapter:
[5]3.2

Given below is a representation of a kind of pollution. Study the same and answer the questions that follow

(i) Name the kind of pollution.
(ii) List any three common sources of this pollution.
(iii) Mention three harmful effects of this pollution on human health.
(iv) Explain the term ‘Pollutant’.
(v) Name two soil pollutants

Concept: Ear: Parts and Functions of the Ear
Chapter: [0.033] The Nervous System
[10]4
[5]4.1

The diagrams given below represent the relationship between a mouse and a physiological process that occurs in green plants. Study the diagrams and answer the questions that follow

(i) Name the physiological process occurring in the green plant that has kept the mouse alive.
(ii) Explain the physiological process mentioned above.
(iii) Why did the mouse die in bell jar B?
(iv) What is the significance of the process as stated in (i) for life on earth?
(v) Represent the above mentioned physiological process in the form of a chemical equation.

 

Concept: Photosynthesis - Food Making Process in Plants
Chapter: [0.023] Photosynthesis: Provider of Food for All
[5]4.2
[1]4.2.1

Mention the exact location of the Prostate gland.

Concept: Excretion: Substances to Be Eliminated
Chapter: [0.032] The Excretory System (Elimination of Body Wastes)
[1]4.2.2

Mention the exact location of the Myelin sheath

Concept: Structure of the Neuron
Chapter: [0.033] The Nervous System
[1]4.2.3

Mention the exact location of the Islets of Langerhans

Concept: Major Division of the Nervous System
Chapter: [0.033] The Nervous System
[1]4.2.4

Mention the exact location of the Semi-circular canals

Concept: Ear: Parts and Functions of the Ear
Chapter: [0.033] The Nervous System
[1]4.2.5

Mention the exact location of the Eustachian tube

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

The diagram shown below is the longitudinal section of a testis of man. Study it carefully and answer the questions that follow

(i) Label the parts numbered 1 to 3 in the diagram.
(ii) In which part of the testis are the sperms produced?
(iii) State the functions of the parts labelled 1 and 3 in the diagram.

Concept: Human Reproductive System
Chapter: [0.036000000000000004] The Reproductive System

Name the cells that secrete Testosterone

Concept: Human Reproductive System
Chapter: [0.036000000000000004] The Reproductive System

Draw a neat, labelled diagram of a sperm

Concept: Human Reproductive System
Chapter: [0.036000000000000004] The Reproductive System
[5]5.2
[1]5.2.1

Give biological reasons for the following:

Some women have facial hair like heard and moustache.

Concept: International Bodies: Who (World Health Organisation)
Chapter: [0.071] Health Organisations
[1]5.2.2

Give biological reasons for the following statements:

Cutting of trees should be discouraged.

Concept: Effect of Global Warming
Chapter: [0.06] Pollution
[1]5.2.3

Give biological reasons for the following statements : In some xerophytes leaves are modified into spines

Concept: Photosynthesis - Food Making Process in Plants
Chapter: [0.023] Photosynthesis: Provider of Food for All
[1]5.2.4

Give biological reasons for the following statements: There is frequent urination in winter than in summer

Concept: Excretion: Substances to Be Eliminated
Chapter: [0.032] The Excretory System (Elimination of Body Wastes)
[1]5.2.5

Give biological reasons for the following statements:The left ventricle of the heart has a thicker wall than the right ventricle. 

Concept: Human Circulatory System
Chapter: [0.031] The Circulatory System
[10]6
[5]6.1

The diagram given below represents a section of the human heart. Answer the questions that follow :

(i) Which parts of heart are in the diastolic phase? Give a reason to support your answer.
(ii) Label the parts numbered 1 and 2 in the diagram. What type of blood flows through them?
(iii) What causes the heart sounds ‘LUBB’ and ‘DUP’?
(iv) Name the blood vessels that supply oxygenated blood to the heart muscles.
(v) Draw neat labelled diagrams of a cross section of an artery and a vein.

Concept: Human Circulatory System
Chapter: [0.031] The Circulatory System
[5]6.2

Give appropriate biological/technical terms for the following:

The type of immunity that exists in our body due to our genetic makeup.

Concept: Mendel’s Laws of Inheritance
Chapter: [0.013000000000000001] Genetics – Some Basic Fundamentals

Give appropriate biological/technical terms for the following:

The suppressed allele of a gene.

Concept: Mendel’s Laws of Inheritance
Chapter: [0.013000000000000001] Genetics – Some Basic Fundamentals

Give appropriate biological/technical terms for the following:

The accessory gland in human males whose secretion activates the
sperms.

Concept: Human Reproductive System - Male Reproductive System
Chapter: [0.036000000000000004] The Reproductive System [0.036000000000000004] The Reproductive System

Give appropriate biological/technical terms for the following:

An apparatus that measures the rate of water uptake in a cut shoot due to transpiration.

Concept: Photosynthesis - Food Making Process in Plants
Chapter: [0.023] Photosynthesis: Provider of Food for All

Give appropriate biological/technical terms for the following:

The kind of twins formed from two fertilized eggs.

Concept: Human Reproductive System
Chapter: [0.036000000000000004] The Reproductive System

Give appropriate biological/technical terms for the following:

A pair of corresponding chromosomes of the same size and shape, one from each parent.

Concept: Mendel’s Laws of Inheritance
Chapter: [0.013000000000000001] Genetics – Some Basic Fundamentals

Give appropriate biological/technical terms for the following:

The mild chemical substance which when applied on the body kills germs.

Concept: First Aid - Basic Principles of First Aid
Chapter: [0.07200000000000001] Aids to Health

Give appropriate biological/technical terms for the following:

The type of waste generated in hospitals and pathological laboratories

Concept: Water Pollution
Chapter: [0.06] Pollution

Give appropriate biological/technical terms for the following:

The antiseptic substance in tears.

Concept: First Aid - Basic Principles of First Aid
Chapter: [0.07200000000000001] Aids to Health

Give appropriate biological/technical terms for the following: Cellular components of blood containing hemoglobin

Concept: Composition of Blood: Blood Platelets (Thrombocytes)
Chapter: [0.031] The Circulatory System
[10]7
[5]7.1

In a homozygous pea plant, axial flowers (A) are dominant over terminal flowers (a).

(i) What is the phenotype and genotype of the F1 generation if a plant bearing pure axial flowers is crossed with a plant bearing pure terminal flowers?
(ii) Draw a Punnett square board to show the gametes and offsprings when both the parent plants are heterozygous for axial flowers.
(iii) What is the phenotypic ratio and genotypic ratio of the above cross shown in (ii)?
(iv) State Mendel’s Law of Dominance.
(v) Name two genetic disorders commonly seen in human males.

Concept: Mendel’s Laws of Inheritance
Chapter: [0.013000000000000001] Genetics – Some Basic Fundamentals
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[5]7.2

The diagram given below is an external view of the human brain. Study the same and answer the questions that follow :

(i) Name the parts labelled A, B and C in the diagram.
(ii) State the main functions of the parts labelled A and B.

(iii) What are the structural and functional units of the brain? How are the parts of these units arranged in A and C?
(iv) Mention the collective term for the membranes covering the brain.
(v) What is the function of Cerebrospinal fluid?

Concept: Brain and Its Structure
Chapter: [0.033] The Nervous System
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