Solving ICSE Class 10 Biology Previous Year Question Papers ICSE Class 10 Biology Question Paper 2013 is the best way to boost your preparation for the board exams.
ICSE Class 10 Biology Question Paper 2013 Solved
Time: 1 1/2 hour
Maximum Marks: 40
General Instructions :
- 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 [ ].
Section-I (40 Marks)
(Attempt all questions from this Section)
Question 1.
(a) Name the following :
(i) The cell body of a nerve cell.
(ii) The waxy layer on the epidermis of the leaf meant to reduce transpiration.
(iii) A non-biodegradable pesticide.
(iv) The physical expression of genes in an individual.
(v) Knot-like mass of blood capillaries inside the bowman’s capsule. [5]
Answer:
(i) Perikaryon or cyton
(ii) Cuticle
(iii) D.D.T., B.H.C.
(iv) Phenotype
(v) Glomerulus/Glomerular capillaries
(b) State the exact location of the following :
(i) Chloroplast.
(ii) Incus.
(iii) Corpus callosum.
(iv) Guard cells.
(v) Pulmonary semilunar valve. [5]
Answer:
Exact location:
(i) Mesophyll cells between upper and lower epidermis and palisade and spongy cells of leaves.
(ii) Bone in middle ear.
(iii) In cerebrum part of brain.
(iv) In stoma of leaves.
(v) This valve is located at the opening of right ventricle into the pulmonary artery.
(c) Give below are six sets with four terms each. In each set a term is an oldd one and cannot be grouped in the same category to which the other three belong. Identify the odd one in each set and name the category to which the remaining three belong. The first one has been done as an example:
Example : Fructose, Sucrose, Glucose, Calcium.
Odd term: Calcium
Category : Carbohydrates.
(i) Cabonic acid, Acetic acid, benzoic acid, boric acid.
(ii) Saliva, bile, sweat, tears.
(iii) Cretinism, Myxedema, Simple goitre, Acromegaly.
(iv) Sneezing, coughing, blinking, typing.
(v) Semicircular canals, Cochlea, tympanum, utriculus. [5]
Answer:
Odd one out:
(i) Odd term : Boric acid
Category : Inorganic acid, organic acids (all others)
(ii) Odd term : Bile
Category : Germ killing secretions of our body (all others)
(iii) Odd term : Acromegaly
Category : Due to malfunctioning of thyroid gland (all others)
(iv) Odd term : Typing
Category : Natural (inborn) Reflex
(v) Odd term : Tympanum
Category : Part of inner ear (parts of inner ear all others)
(d) Match the items in Column A with that which is most approriate in Column B. Rewrite the matching pair.
| Column A | Column B |
| (1) Testis | (a) Kidney |
| (2) Poliomyelitis | (b) water vapour |
| (3) Transpiration | (c) Prostate gland |
| (4) Clotting of Blood | (d) Iron |
| (5) Uriniferous tubule | (e) Uterus |
| (f) Gonad | |
| (g) Salk’s vaccine | |
| (h) water droplet | |
| (i) Calcium | |
| (j) TAB vaccine |
Answer:
|
Column A |
Column B |
| (1) Testis | (f) Gonad |
| (2) Poliomyelitis | (g) Salk’s vaccine |
| (3) Transpiration | (b) water vapour |
| (4) Clotting of blood | (i) calcium |
| (5) Uriniferous tubule | (a) kidney |
(e) Choose the correct answer from the four options given below :
(i) The cell component visible only during cell division.
A. Mitochondria
B. Chloroplast
C. Chromosome
D. Chromatin.
Answer:
C. Chromosome
(ii) Pulse wave is mainly caused by the :
A. Systole of atria
B. Diastole of atria.
C. Systole of the left ventricle.
D. Systole of the right ventricle.
Answer:
C. Systole of the left ventricle
(iii) The recessive gene is one that expresses itself in :
A. Heterozygous condition
B. Homozygous condition
C. F2 generation
D. Y-linked inheritance.
Answer:
B. Homozygous condition
(iv) A gland which secretes both hormone and enzyme is the :
A. Pituitary
B. Pancreas
C. Thyroid ‘
D. Adrenal
Answer:
B. Pancreas
(v) The ventral root ganglion of the spinal cord contains cell bodies of the :
A. Motor neuron
B. Sensory neuron
C. Intermediate neuron
D. Association neuron. [5]
Answer:
B. Sensory neuron
(f) Given below is an example of certain structures and their special functional activities.
For example : Eye and vision. On a similar pattern complete the following :
(i) Neutrophils : ……………
(ii) Ureter : …………..
(iii) Neuro transmitters : …………
(iv) Iris of the eye : ……….
(v) Placenta : ……… [5]
Answer:
Functional activities :
(i) Phagocytosis
(ii) Ureter : Passes the urine from kidney to urinary bladder.
(iii) Neurotransmitters : The end portion of axon have swollen ends like bulbs which store chemicals called neurotransmitters and help in transmission of nerve impulse.
(iv) Iris of the eye : Regulates the amount of light entering the eye.
(v) Placenta : It is the link between the mother and the foetus (embryo).
(g) The figure given below represents an experiment to demonstrate a particular aspect of photosynthesis. The alphabet ‘A’ represents a certain condition inside the flask.
(i) What is the aim of the experiment ?
(ii) Identify the special condition inside the flask.
(iii) Name an alternative chemical that can be used instead of KOH.
(iv) In what manner do the leaves 1 and 2 differ at the end of the starch test ? [5]
Answer:
(i) Aim : Carbon dioxide is necessary for photosynthesis.
(ii) Flask must have KOH solution to absorb CO2.
(iii) Lime water.
(iv) Leaf 2 which has exposed to atomspheric air becomes blue black and leaf 2 will not become blue black.
(h) Given below are five groups of terms. In each group arrange and rewrite the terms in the correct order so as to be in a logical sequence.
For example :
Question : Implantation, Parturition, Ovulation, Gestation, Gertilization.
Answer: Ovulation, Fertilization, Implantation, Gestation, Parturition.
(i) Spongy cells, Upper epidermis, Stoma, Palisade tissue, Substomatal space.
(ii) Spinal cord, Motor neuron, Receptor, Effector, Sensory neuron.
(iii) Endodermis, Cortex, Soil water, Xylem, Root hair.
(iv) Metaphase, Telophase, Prophase, Anaphase, Cytokinesis.
(v) Intestine, Liver, Intestinal artery, Hepatic Vein, Hepatic Portal Vein. [5]
Answer:
Arrange the terms :
(i) Upper epidermis, Palisade tissue, Spongy cells, Substomatal space, Stoma.
(ii) Receptor, Sensory neuron, Spinal cord, Motor neuron, Effector.
(iii) Soil water, Root hair, Cortex, Endodermis, Xylem.
(iv) Prophase, Metaphase, Anaphase, Telophase, Cytokinasis.
(v) Intestinal artery, Intestine, Hepatic Portal Vein, Liver, Hepatic Vein.
Section-II (40 Marks)
(Attempt any four questions from this section)
Question 2.
(a) Given below is a diagram of the lateral section of a testis of a man. Study the same and answer the questions that follow :
(i) Label the parts numbered 1 to 4 of the diagram.
(ii) State the functions of the parts labelled 1 and 3.
(iii) What is the significance of the testis being located in the scrotal sac outside the abdomen?
(iv) What is the role played by the inguinal canal ?
(v) What is semen ? [5]
Answer:
(a)
(i)
- Seminiferous tubule
- Lobule
- Epididymis
- Sperm duct
(ii) Function of Part 1 :
In seminiferous tubule the sperms are produced.
Function of Part 3 :
Epididymis stores the sperms for some days during which they mature and become motile.
(iii) Since maturation of sperm takes place 2° to 3° lower than the body temperature hence located in the scrotal sac outside the abdomen.
(iv) Inguinal canal allows the descent of testis along with their ducts blood vessels nerves etc.
(v) Semen : Seminal vesicles, prostate gland, cowper’s glands add their secretions to the sperms and collectively form milky fluid the semen.
(b) Give the biological/technical terms for the following :
(i) Chemicals found in the blood which act against antigens.
(ii) A constituent that causes pollution.
(iii) The onset of menstruation in a young girl.
(iv) Structure which connects the placenta with the foetus.
(v) The fluid present between the layers of meninges.
(vi) Permanently open structures seen on the bark of an old woody stem.
(vii) The biological process which is the starting point of the food chain.
(viii) The change in an organism resulting due to stimulus.
(ix) An Antiseptic substance present in tears.
(x) A solution in which the relative concentration of water molecules and the solute on either side of the cell membrane is the same. [5]
Answer:
(i) Antibodies produced by lymphocytes
(ii) CO2, SO2, CO
(iii) Menarche
(iv) Umbilical Cord
(v) Cerebrospinal fluid
(vi) Lenticels
(vii) Photosynthesis
(viii) Response
(ix) Lysozyme
(x) Isotonic
Question 3.
(a) Draw a diagram of the human eye as seen in a vertical section and label the parts which suits the following descriptions relating to the :
(i) photosensitive layer of the eye.
(ii) structure which is responsible for holding the eye lens in its position.
(iii) structure which maintains the shape of the eye ball and the area of no vision.
(iv) anterior chamber seen in front of the eye lens.
(v) Outer most transparent layer seen in front of the eye ball. [5]
Answer:
(i) Retina.
(ii) Suspensary ligament.
(iii) Vitreous chamber
(iv) Aqueous chamber.
(v) Conjunctiva.
(b) Differentiate between the following pairs on the basis of what is mentioned within brackets :
(i) Photolysis and Photophosphorylation. (Definition)
(ii) Bicuspid valve and Tricuspid valve. (Function)
(iii) Vasectomy and Tubectomy. (Explain)
(iv) Cerebrum and Spinal cord. (Arrangement of nerve cells)
(v) Bowman’s capsule and Malpighian capsule, (parts included) [5]
Answer.
(i) Photolysis : Splitting of water by the action of light during photosynthesis.
Photophosphorylation : Addtion of phosphate (phosphoryl) group to a molecule such as ADP to ATP.
(ii) Bicuspid and tricuspid valves regulate the flow of blood in a single direction.
(iii) Vasectomy : It is a surgical method for female for population control. In this method abdomen is opened and the fallopian tubes (oviducts) are cut or tied with nylon thread to close the passage of the egg.
Tubectomy : This is the surgical method in male for population control. In this surgery a small cut is made in scrotum, vas deferens (sperm duct) is ligated and small piece between the two ligatures is removed. This surgery is easier, quicker and safer.
(iv) Cerebrum and spinal cord (arrangement of nerves).
Cerebrum : Inner portion of cerebrum consists of white matter’ which mainly contains the axons (nerve fibres) of the neuron.
The outer portion of cerebrum contains cell bodies of neurons is called ‘gray matter’. Spinal cord : In spinal cord arrangement of white and gray matter is reversed from that in brain.
(v) Bowman’s Capsule : It is a rounded, cup-shaped body.
Malpighian Capsule : The Bowman’s capsule and the glomerulus together are called Malpighian capsule.
Question 4.
(a) Given below is a schematic diagram showing Mendel’s Experiment on sweet pea plants having axial flowers with round seeds (AARR) and Terminal flowers with wrinkled seeds (aarr). Study the same and answer the questions that follow :
(i) Give the phenotype of F1 progeny.
(ii) Give the phenotypes of F2 progeny produced upon by the self-pollination of F1 progeny.
(iii) Give the phenotypic ratio of F2 progeny.
(iv) Name and explain the law induced by Mendel on the basis of the above observation. [5]
Answer:
(i) F1 Progeny — Axial Round
(ii)
(iii)
(iv) Law of independent assortment. When there are two pairs of contrasting characters the distribution of the members of one pair into the gamete is independent of the distribution of the other pair.
(b) Complete the following table by filling in the blanks from 1 to 10 with appropriate terms :
[5]
Answer.
Question 5.
(a) The diagram given below represents the human heart in one phase of its functional activities. Study the same and answer the questions that follow :
(i) Name the phase.
(ii) Label the parts 1, 2 and 3.
(iii) Which part of the heart is contracting in this phase ? Give a reason to support your answer.
(iv) Draw well labelled diagrams of part 1 and 2 to show the structural differences between them. [5]
Answer:
(i) Phase : Auricular systole.
(ii)
- Pulmonary artery (to the left lung)
- Superior vena cava
- Aorta
(iii) Auricles are contracting in this phase because bicuspid (operative) and tricuspid values (operative) are open to allow the blood to flow from auricles to ventricles.
(iv)
(b) Give biological reasons for the following:
(i) The wall of the ventricle is thicker than the auricles.
(ii) The renal cortex has a dotted appearance.
(iii) Wooden frames of doors get jammed during the monsoon season.
(iv) Throat infections can lead to ear infections.
(v) The hand automatically shows the direction to turn a cycle without thinking. [5]
Answer:
(i) Walls of ventricle is thicker because they have to pump blood to long distance.
(ii) Each human kidney possesses about one million of functional and structural units known as nephrons or kidney tubules.
(iii) Wooden doors get jammed during monsoon season because of imbibition substance which are made up of cellulose are hydrophilic.
(iv) Throat infection can lead to ear infection due to the link of nasolacrimal duct between both.
(v) Hand automatically show the direction due to conditioned (Acquired) reflexes.
Question 6.
(a) The figure given below shows the epidermal cells of an onion bulb. This cell was then transferred to a drop of sugar solution.
(i) Draw a well labelled diagram of the epidermal cell as it would appear after immersion in a strong sugar solution.
(ii) What scientific term is used for the changes as shown in (i) above ?
(iii) What should be done to resotre the cell back to its original condition ?
(iv) Give the scientific term for the recovery of the cell as a result of the step taken in (iii) above.
(v) Define the term osmosis. [5]
Answer:
(i) Cytoplasm will shrink and plasma membrane will withdraw from cell wall.
(ii) Plasmolysis.
(iii) Cell is to be placed in distilled water.
(iv) Deplasmolysis.
(v) Osmosis is the diffusion of water molecule across semipermeable membrane from a more dilute solution to less dilute solution.
(b) Briefly explain the following terms :
(i) Genes.
(ii) Cytokinesis in plant cells.
(iii) Guttation.
(iv) Diabetes insipidus.
(v) disinfectants.
Answer:
(i) Genes : The specific part of chromosomes which are composed of D.N.A. Genes determine hereditary characters that transfer from parents to offsprings.
(ii) Cytokinesis in plant cells : A cell plate is laid down in the cytoplasm at equatorial plane.
(iii) Guttation : Guttation is the loss of water as droplet along the margins of leaves through hydathodes. e.g. Banana, strawberry.
(iv) Diabetes insipidus : When concentration of glucose decrease in the blood as well as in urine due to hypersecretion of insulin.
(v) Disinfectants : Strong chemical sulestances that are applied on spots and places where germs thrive and multiply, e.g. Phenol, lysol, lime, 40% formalin.
Question 7.
(a) (i) Draw a well labelled diagram to show the anaphase stage of mitosis in a plant cell having four chromosomes.
(ii) State any two harmful effects of acid rain.
(iii) Expand the following biological abbreviations :
(1) NADP,
(2) ACTH [5]
Answer:
(a) (i)
(ii) Acid rain is caused due to pollutant gases CO2, SO2, CO causing much danger to agricultural crops and stone monuments.
(iii) (1) NADP : Nicotinamide Adenine Dinucleotide Phosphate.
(2) ACTH: Adrenocorticotropic.
(b) (i) List any two major activities of the Red Cross.
(ii) Write any two major reasons for the population explosion in the world.
(iii) Write the names of our nitrogenous bases in a DNA molecule. [5]
Answer:
(i) (1) Red cross extend relief and help to the victims of any calamity – flood, fire, famine, earthquakes etc.
(2) To extend all possible first aid in any accident.
(ii) Two major reasons for population growth in world are illiteracy, traditional beliefs, social customs and low marriage age.
(iii) These bases are as follow :
Adenine (A), Guanine (G), Thymine (T) and Cytosine (C)