(English Medium)
Academic Year: 2014-2015
Date: March 2015
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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).
The Biological/technical term for The process of uptake of mineral ions against the concentration gradient using energy from the cell
Chapter: [0.021] Absorption by Roots: The Processes Involved
The form in which glucose in stored in liver.
Chapter: [0.032] The Excretory System (Elimination of Body Wastes)
The vein that carries oxygenated blood.
Chapter: [0.031] The Circulatory System
The cross between two parents having one pair of contrasting characters
Chapter: [0.013000000000000001] Genetics – Some Basic Fundamentals
The structure formed by the villi of the embryo and the uterus of the mother.
Chapter: [0.035] The Reproductive System
Rewrite the correct form of the statement : Alpha cells of pancreas secrete Insulin.
Chapter: [0.034] The Endocrine System
Rewrite the correct form of the statement: Formalin is an example of an Antiseptic
Chapter: [0.07200000000000001] Aids to Health
Rewrite the correct form of the statement: CNG is mainly responsible for the formation of acid rain.
Chapter: [0.06] Pollution
Rewrite the correct form of the statement: Sulphadiazine is an example of an Antiseptic.
Chapter: [0.07200000000000001] Aids to Health
Rewrite the correct form of the statement: Cretinism is caused due to deficiency of Adrenaline.
Chapter: [0.034] The Endocrine System
A single highly coiled tube where sperms are stored gets concentrated, and mature is known as ______
Epididymis
Vas efferentia
Vas deferens
Seminiferous tubule
Chapter: [0.035] The Reproductive System
Chromosomes get aligned at the centre of the cell during:
A. Metaphase
B. Anaphase
C. Prophase
D. Telophase
Chapter: [0.012] Cell Cycle, Cell Division and Structure of Chromosomes [0.013000000000000001] Genetics – Some Basic Fundamentals
BCG vaccine is effective against
A. Cholera
B. Mumps
C. Tuberculosis
D. Measles
Chapter: [0.071] Health Organisations
Which one of the following associated with the maintenance of the posture?
A. Cerebrum
B. Cerebellum
C. Thalamus
D. Pons
Chapter: [0.033] Nervous System and Sense Organs
An example of non-biodegradable waste is
A. Vegetable peels
B. Sewage
C. Livestock waste
D. DDT
Chapter: [0.06] Pollution
the exact location of the Thylakoids
Chapter: [0.023] Photosynthesis: Provider of Food for All [0.023] Photosynthesis: Provider of Food for All
State the exact location of the Organ of Corti
Chapter: [0.033] Nervous System and Sense Organs [0.034] Sense Organs
the exact location of the Lenticels
Chapter: [0.021] Absorption by Roots: The Processes Involved
The exact location of the Bicuspid value
Chapter: [0.031] The Circulatory System
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State the exact location of the Loop of Henle.
Chapter: [0.032] The Excretory System (Elimination of Body Wastes)
The diagram given below represents a certain stage of mitosis:
- Identify the stage of cell division.
- Name the parts labelled A and B.
- What is the unique feature observed in this stage?
- How many daughter cells are formed from this type of cell division?
Chapter: [0.012] Cell Cycle, Cell Division and Structure of Chromosomes
fill in the blanks with suitable functions: Xylem and __________.
Chapter: [0.021] Absorption by Roots: The Processes Involved
fill in the blanks with suitable functions: Ciliary body and __________.
Chapter: [0.033] Nervous System and Sense Organs [0.034] Sense Organs
fill in the blanks with suitable functions: Seminiferous Tubule and _____
Chapter: [0.035] The Reproductive System
fill in the blanks with suitable functions: Thyroid gland and _________
Chapter: [0.034] The Endocrine System
fill in the blanks with suitable functions: Eustachian Tube and ______
Chapter: [0.031] The Circulatory System
The phenomenon of loss of water through a cut stem or injured part of plant is called ___________.
Chapter: [0.021] Absorption by Roots: The Processes Involved
___________ is the scientific name of garden pea, which Mendel used for his experiments.
Chapter: [0.013000000000000001] Genetics – Some Basic Fundamentals
A fluid that occupies the larger cavity of the eye ball behind the lens is
___________.
Chapter: [0.033] Nervous System and Sense Organs [0.034] Sense Organs
Oxygen combines with haemoglobin present in RBC and forms _____.
Chapter: [0.031] The Circulatory System
___________ causes corrosion of the marble or brick surface.
Chapter: [0.06] Pollution
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 |
Chapter: [0.035] The Reproductive System
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.
Chapter: [0.023] Photosynthesis: Provider of Food for All [0.023] Photosynthesis: Provider of Food for All
the biological/technical terms for A mixture of smoke and fog.
Chapter: [0.06] Pollution
the biological/technical terms for Capacity of our body to resist disease.
Chapter: [0.07200000000000001] Aids to Health
the biological/technical terms for Fixing of developing zygote on the uterine wall.
Chapter: [0.035] The Reproductive System
the Biological/technical term for Complete stoppage of menstrual cycle in females
Chapter: [0.035] The Reproductive System
the biological/technical terms for the hormone increasing reabsorption of water by kidney tubules
Chapter: [0.032] The Excretory System (Elimination of Body Wastes)
the biological/technical terms for a thin membrane covering the entire front part of the eye.
Chapter: [0.033] Nervous System and Sense Organs [0.034] Sense Organs
the biological/technical terms for the lens of eye losing flexibility resulting in a kind of long-sightedness in middle aged people.
Chapter: [0.033] Nervous System and Sense Organs [0.034] Sense Organs
the biological/technical terms for the number of persons living per square kilometre at any given time.
Chapter: [0.04] Population
the biological/technical terms for The process by which white blood cells engulf bacteria
Chapter: [0.071] Health Organisations
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:
- Name the process being studied.
- Explain the process named above in Q.3(a)(i).
- Why was the pot covered with a plastic sheet?
- Suggest a suitable control for this experiment.
- Mention two ways in which this process is beneficial to plants.
- List three adaptations in plants to reduce the above mentioned process.
Chapter: [0.022000000000000002] Transpiration
Mention two reasons for the rapid increase of population in India.
Chapter: [0.04] Population
What is the significance of amniotic fluid?
Chapter: [0.035] The Reproductive System
What is the function of ear ossicles?
Chapter: [0.033] Nervous System and Sense Organs [0.034] Sense Organs
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Mention any two activities of the WHO
Chapter: [0.071] Health Organisations
State Mendel’s law of Dominance.
Chapter: [0.013000000000000001] Genetics – Some Basic Fundamentals
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?
Chapter: [0.031] The Circulatory System
Differentiate between Diffusion and Osmosis (Definition)
Chapter: [0.021] Absorption by Roots: The Processes Involved
Differentiate between the RBC and WBC (Shape)
Chapter: [0.031] The Circulatory System
Differentiate between the Tubectomy and Vasectomy (Part cut and tied)
Chapter: [0.035] The Reproductive System
Differentiate between the Vasopressin and Insulin (Deficiency disorder)
Chapter: [0.071] Health Organisations
Differentiate between the Rods and Cones of Retina (Type of pigment)
Chapter: [0.033] Nervous System and Sense Organs [0.034] Sense Organs
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).
Chapter: [0.032] The Excretory System (Elimination of Body Wastes)
Draw neat and labelled diagrams of Malpighian capsule
Chapter: [0.032] The Excretory System (Elimination of Body Wastes)
Draw neat and labelled diagrams of a myelinated neuron
Chapter: [0.033] Nervous System and Sense Organs
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?
Chapter: [0.032] The Excretory System (Elimination of Body Wastes)
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).
Chapter: [0.013000000000000001] Genetics – Some Basic Fundamentals
Mention the Phenotype and Genotype ratios of the offspring in F2 generation.
Chapter: [0.013000000000000001] Genetics – Some Basic Fundamentals
Name the sex chromosomes in human males and females
Chapter: [0.012] Cell Cycle, Cell Division and Structure of Chromosomes [0.013000000000000001] Genetics – Some Basic Fundamentals
Briefly explain the term ‘Mutation’.
Chapter: [0.013000000000000001] Genetics – Some Basic Fundamentals
What is the number of chromosomes in the gametes of human beings?
Chapter: [0.012] Cell Cycle, Cell Division and Structure of Chromosomes [0.013000000000000001] Genetics – Some Basic Fundamentals
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.
Chapter: [0.031] The Circulatory System
Explain Turgor pressure
Chapter: [0.021] Absorption by Roots: The Processes Involved
Explain Selective reabsorption
Chapter: [0.032] The Excretory System (Elimination of Body Wastes)
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CISCE previous year question papers ICSE Class 10 Biology with solutions 2014 - 2015
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