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KAPOL VIDYANIDHI INTERNATIONAL SCHOOL(ICSE) TEMPLE OF KNOWLEDGE STD:IX THIRD TERMINAL EXAMINATION SUBJECT: BIOLOGY DUR: 1 hour MARKS: 40 27-2-21 Answer to this paper must be written on the paper provided separately. You will not be allowed to write during first 10 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 any four questions from SECTION II. The intended marks for questions or parts of questions are given in brackets [ ]. SECTION II ( 40 MARKS ) Attempt any four questions from this section Q2(a) In order to study and prove a particular physiological process in plants, the following experiment was set up. Study the same and then answer the questions that follow: (i) Name the physiological process being studied. What is the function of soda lime in the bottle 'A' and why is limewater placed in bottle 'B'? ( ii ) ( iii ) What change would you expect to observe in bottle 'D'? ( iv ) Represent the physiological process named in (a) above in the form of a chemical equation. 1 [5] Q2(b) Observe the diagram and answer the following: (i) ( ii ) ( iii ) Label the parts A, B, C, D in the diagram above. Backbone is formed of many ring like small bones. Give reason Give one example where the following joints are found in the human body ? a. Gliding joint b. Pivot joint c. Hinge joint d. Ball and socket joint Q3(a) (i) ( ii ) ( iii ) ( iv ) Given below is the diagrammatic representation of the process of fertilization. Study the same and then answer the question that follows. Name all the parts numbered as 1, 2, 3 and 4. What is the function of synergids? What role does the micropyle play during the process of fertilization? What happens to ovary and ovule after fertilization? 2 [5] [ 5] Q3(b) Study the diagram given below and answer the following questions: (i) ( ii ) ( iii ) ( iv ) (v) Name the process shown above. Label the parts 1-4. What does the arrow 5 and 6 indicate? Name the corresponding structure found in plants. Write the percentage of oxygen and carbondioxide present in inhaled and exhaled air. Q4(a) (i) ( ii ) ( iii ) ( iv ) (v) Give reasons for the following: Seeds should not be planted deep in the soil. Yeast is used in baking industry. Growing children have pimples and acne. Vertebral column is curved. Children look a lot alike their parents. Q4(b) (i) ( ii ) Draw a neat labelled diagrams of: Typical Vertebra ( thoracic vertebra) Vertical Section of Phloem tissue. 3 [5] [5] [5] Q5(a) Study the diagram given below and answer the questions that follow: (i) ( ii ) ( iii ) ( iv ) Name the structure shown. Label the parts 1, 2 and 3. Where is this structure present? Draw a neat labelled diagram of Nervous tissue. Q5(b) Given below is a table related to nutrients. Complete the following table by redrawing it in your answer sheet. Nutrient (Vitamins/minerals) Rich food source Deficiency disease Cabbage Calcium Vitamin B1 Iodine Sea food Green leafy vegetables 4 Haemorrhage [5] [5] Q6(a) Observe the diagram carefully and answer the following: (i) ( ii ) ( iii ) ( iv ) (v) Label the parts 1-4. Write the function of parts labelled 3,4,6. Name the protein present in part labelled 1. Name the pigment that gives colour to the skin. Name the fluid secreted by part labelled 5. Q6(b) Observe the diagram and answer the following: 5 [5] [5] (i) ( ii ) ( iii ) ( iv ) Name the parts labelled 1-5 Write the function of 3 and 4. What is emulsification? Draw a neat labelled diagram of villus. Q7(a) The following diagram shows the stages of germination of a seed. Carefully study it and answer the questions that follow: (i) [5] Identify the type of germination shown by the seed. Give a reason for your answer. ( ii ) Differentiate between the germination shown by Pea seed and Bean seed based on the- a) type of germination and b) the position of cotyledons. ( iii ) ( iv ) Q7(b) (i) ( ii ) ( iii ) ( iv ) (v) Maize is called a grain and not a seed. Give reason. What is an exalbuminous seed? Give an example . Give an example for each of the following: Neuter flower Elephophilous flower Dioecious plant Edible mushroom Bacterial disease in Plants ------------------------ALL THE BEST-------------- 6 [5] 7 8 [5] 9 [5] 10 11
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