Created by Titas Mallick
Biology Teacher • M.Sc. Botany • B.Ed. • CTET (CBSE) • CISCE Examiner
Created by Titas Mallick
Biology Teacher • M.Sc. Botany • B.Ed. • CTET (CBSE) • CISCE Examiner
ICSE Specimen Paper
Maximum Marks: 80
Time allowed: Two hours
Instruction for the Supervising Examiner
Kindly read aloud the Instructions given above to all the candidates present in the Examination Hall.
NOTE:
The Specimen Question Paper in the subject provides a realistic format of the Board Examination Question Paper and should be used as a practice tool. The questions for the Board Examination can be set from any part of the syllabus. However, the format of the Board Examination Question Paper will remain the same as that of the Specimen Question Paper.
(Attempt all questions from this Section.)
Choose the correct answers to the questions from the given options.
(Do not copy the question, write the correct answers only.) [15]
(i) Allen's blood report showed an abnormal decrease in the number of R.B.C. He is suffering from:
(ii) A farmer notices that storing ripe mangoes with unripe ones speeds up the ripening process. The phytohormone primarily responsible for this phenomenon is:
(iii) Assertion (A): Oxygen is produced during light dependent reactions of photosynthesis.
Reason (R): Oxygen is released as a byproduct during photolysis.
(iv) Reena gets emotionally stressed when the school examinations are approaching. Which hormone is responsible for this condition?
(v) The diagram given below is that of a Neutrophil. The function is ___________:
(vi) Assertion (A): Pituitary gland is known as the master gland.
Reason (R): It regulates the activities of other exocrine glands.
(vii) Aruna went to a theatre to watch a movie on a bright sunny morning. As she came out of the theatre, she felt a dazzling effect and could not open her eyes. After a few minutes her vision became normal. This is due to:
(viii) Reflex actions provide a survival advantage because they:
(ix) Industrial melanism is the phenomenon by which the peppered moth:
(x) The hormone that maintains the thickening of the endometrium during pregnancy is:
(xi) The onset of menstruation in a human female is called:
(xii) The number of autosomes and allosomes present in a human cell:
(xiii) Cultural revolution favours a steep rise in human population. Identify the correct sequence of revolution:
(xiv) Tanvi tried to match the phases of menstrual cycle with the number of days as given in the table below:
| PHASE | DAYS |
|---|---|
| P - Follicular Phase | Day 5 - 12 |
| Q - Luteal Phase | Day 15 - 28 |
| R - Menstrual Phase | Day 3 - 5 |
| S - Ovulatory Phase | Day 13 or 14 |
Identify the correct sequence:
(xv) Aditya who is fond of roller skating. Identify the correct terms which help him to maintain his body balance:
(i) Give the biological/technical terms for the following: [5] [Recall]
(ii) Given below is the diagram of a human heart. Read the information below the diagram and fill in the blanks: [5] [Recall & Application]
The human heart pumps blood throughout the body. It is the size of a large fist. The heart is located between the lungs in the thoracic cavity. It has four chambers. The heart functions all through the lifespan of a person and is responsible for the survival of the person.
The heart is enclosed by a membrane called (a) ____________ (Pericardium / Pleura). The ventricles give rise to two large blood vessels called (b) ____________ (Pulmonary vein / Pulmonary artery) and (c) ____________ (Aorta / Venacava). The flaps of the cuspid valves are kept in position by (d) ____________ (Chordae tendinae / Endometrium). (e) ____________ (Hepatic / Coronary) arteries supply oxygenated blood to the walls of the heart.
(iii) Choose the odd term out from each of the following set of terms. Mention the category to which the remaining three belong: [5] [Understanding & Application]
(iv) Rajeev, a 10 year old boy, went to an Ophthalmologist to get his eyes tested. He noticed a poster in the clinic with questions related to the parts of human eye. Help Rajeev answer the questions: [5] [Application & Recall]
(v) Study the diagram given below and match the structure with its function: [5] [Understanding & Recall]
Example: Scrotum - (f)
| Structure | Functions |
|---|---|
| (a) Secrete Testosterone | |
| (b) Transports sperms to Epididymis | |
| (c) Stores sperms till maturation | |
| (d) Transport sperms to urethra | |
| (e) Produce sperms | |
| (f) Regulates temperature of Testis |
(Attempt any four questions from this Section.)
(i) Explain the term Menarche. [1] [Recall]
(ii) In what form is water lost during transpiration and guttation from plants? [2] [Recall]
(iii) Ayush was in the final round of a carrom match. He was focussing intently on the strokes of the opponent player. [2] [Analysis & Application]
(iv) State the permeability of cell membrane and cell wall. [2] [Recall]
(v) Draw a neat, labelled diagram of a cross section of an Artery and a Vein. [3] [Understanding & Skill]
(i) What is Excretion? [1] [Recall]
(ii) Differentiate between Diabetes mellitus and Diabetes insipidus with reference to the hormone involved. [2] [Understanding]
(iii) Give the common name and the scientific name of the plant on which Gregor Mendel conducted his breeding experiments. [2] [Recall]
(iv) Name the tonicity of the solutions for a living cell to show Endosmosis and Exosmosis. [2] [Understanding & Recall]
(v) Plant hormones are produced in extremely low concentrations in plants to regulate the physiological processes and tropic movements - [3] [Analysis & Application]
(i) What are non-biodegradable wastes? [1] [Understanding & Recall]
(ii) Mention any two objectives of the Swachh Bharat Abhiyan. [2] [Recall]
(iii) Arrange the following food chain in a proper sequence: [2] [Understanding]
(iv) Mention the number of cranial nerves and spinal nerves in a human being. [2] [Recall]
(v) Surya used a plant with variegated leaves for an experiment on photosynthesis. He tested a leaf with iodine after keeping the plant in sunlight for a few hours. [3] [Application & Recall]
(i) State Mendel's Law of Dominance. [1] [Recall]
(ii) State the rate of transpiration when the air surrounding a plant has: [2] [Understanding & Application]
(iii) Expand the following abbreviations: [2] [Recall]
(iv) Which part of the ear equalizes air pressure on either side of the ear drum? Where is this structure located? [2] [Understanding & Recall]
(v) Santosh loved his garden, especially his pea plants. One year, he noticed that all the pea plants he grew from one batch of seeds had round seeds. Curious, he took the seeds from one of those plants and grew a new generation. To his surprise, 75% of the new plants had round seeds, but 25% had wrinkled seeds. [3] [Analysis]
(i) Explain the term Natality. [1] [Recall]
(ii) Distinguish between Sympathetic system and Parasympathetic system on the basis of heartbeat. [2] [Understanding & Recall]
(iii) Meena covered a potted plant as shown below with a transparent plastic bag. She observed water droplets inside the bag after a few hours when kept in sunlight. [2] [Analysis & Application]
(iv) Mention the regions of the kidney where we can find glomerulus and Henle's loop. [2] [Understanding & Recall]
(v) Draw a neat, labelled diagram to show the internal structure of a root hair. [3] [Analysis & Application]
(i) How does the ozone layer depletion affect life on earth? [1] [Application]
(ii) Mention two body features of Australopithecus. [2] [Recall]
(iii) Identical twins are always of the same gender. Explain why. [2] [Understanding]
(iv) We should not insert sharp objects into the ear to removes ear wax. Give a suitable reason. [2] [Application]
(v) In a school experiment, a few students grow plants in pots placed horizontally as shown below. After a few days, the students observed that the roots bent downward, and the shoots curved upward. [3] [Analysis & Application]
(i) [5×1]
(ii) [5×1]
(iii) [5×1]
| Odd term | Category |
|---|---|
| (a) Oxygen | Air pollutants |
| (b) Pons | Plant tissues |
| (c) Malleus | Parts of outer Ear |
| (d) Uterus | Parts of Urinary system |
| (e) Root hair | Parts through which transpiration takes place |
(iv) [5×1]
(v) [5×1]
(i) It is the onset of menstruation in a young female around the age of 13 years. [1]
(ii) [2]
(iii) [2]
(iv) [2]
(v) [Diagram required] [3]
(i) It is the removal of harmful nitrogenous waste products from the body. [1]
(ii) [2]
(iii) [2]
(iv) [2]
(v) [3]
(i) Materials that can not be broken down by the microorganism. They persist in the environment causing pollution. [1]
(ii) [2]
(iii) [2]
(iv) [2]
(v) [3]
(i) Out of a pair of contrasting characters present together, only one is able to express itself while the other remains suppressed. [1]
(ii) [2]
(iii) [2]
(iv) Eustachian tube. Located in the middle ear. [2]
(v) [3]
(i) It is the number of live births per 1000 people of population per year. [1]
(ii) [2]
(iii) [2]
(iv) [2]
(v) [Diagram required] [3]
(i) Causes skin cancer, cataract, reduced crop yields, harms marine life. [1]
(ii) [2]
(iii) Because they develop from a single fertilised egg. [2]
(iv) It may rupture the ear drum leading to deafness. [2]
(v) [3]
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