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ICSE Class IX Mid-term 2022 : Biology

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Biology Science paper-3 (One hour) Formative Assessment-2, 2021-22 GRADE IX Maximum Marks: 40 _____________________________________________________________________ Answer 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 answer ____________________________________________________________________ Attempt all questions from Section I and any two questions from Section II. The intended marks for questions or parts of questions are given in brackets [ ]. ____________________________________________________________________ SECTION I (20 Marks) Question 1 [5] A) Choose the correct answer from each of the four options given below: a. b. c. ICSE The fluid present in the freely movable joint is______. i. Spinal fluid ii. Cerebrospinal fluid iii. Pericardial fluid iv. Synovial fluid At the time of inspiration, _________ takes place. i. Thoracic cavity decreases ii. Relaxation of diaphragm iii. Contraction of diaphragm iv. Relaxation of Muscles The vertebral column is divided into_________ regions. i. 3 ii. 2 iii. 1 iv. 5 1 The measure of vital capacity = ________ ml. i. 1000 ii. 4500 iii. 500 iv. 1500 The rudimentary tail of the human body is ___. d. e. i. ii. iii. iv. Sacrum Atlas Coccyx Phalanges B) Name the following: [5] a. A condition in which the tissues of a body is deprived of adequate oxygen supply. b. The respiratory pigment present in the RBC. c. Joint that allows rotation about an axis. d. The cavity in the shoulder blade. e. A thin layer of connective tissue that covers the outer surface of a bone. C) Match the parts given in column A with the most appropriate ones in column B and rewrite the matching pairs: Column A Column B i Phalanges a 37 ii Inspiration b Collar bone iii Rib cage c Hip girdle iv Clavicle d Sternum v Pelvic girdle e Inhalation f 14 g Exhalation D) Choose the odd one out from the following terms given and name the category to which the others belong: a. ICSE [5] Malleus, incus, radius, stapes. 2 b. Skull, shoulder blade, vertebral column, sternum. c. Breathing, digestion, gaseous transport, cellular respiration. d. Nose, trachea, lungs, diaphragm. e. Inspiration, joint diastole, expiration, respiratory pause. SECTION II - (20 Marks) (Attempt any two questions from this section) Question 2 a. Study the two figures given below and answer the questions that follow: Fig. A [5] Fig. B i. Label part 1 of figure A and part 2 of figure B ii. Name the joint present in the elbows. Explain in brief. iii. Name the bones of forelimbs. iv. Write one point of difference between carpals and tarsal. b. State one function for each of the following: i. Diaphragm ii. Pleural fluid iii. Hip girdle iv. Respiratory center ICSE 3 [5] v. Nasal cavity Question 3 a. Given below is a diagram depicting a physiological process in man. [5] i. Name the process occurring in the diagram. ii. Explain the process mentioned in the diagram. iii. Label the gases A and B . iv. Write a balanced chemical equation for cellular respiration. v. Name the organelle where cellular respiration process takes place. vi. Name two main phases of cellular respiration. b. Differentiate between the following pairs based on the condition given in the [5] bracket. i. Tidal volume and Residual volume (quantity of air) ii. Partially movable joints and Immovable joints (explanation with example) iii. Foramen magnum and Acetabulum (location) iv. Anaerobic respiration in plants and Anaerobic respiration in animals (end products) v. Inspired air and Expired air (average composition of oxygen) Question 4 a. ICSE Study the picture and answer the questions that follow: 4 [5] i. Identify the type of vertebrae depicted in the above picture and write its total number in the vertebral column. ii. Label part 1 to 4. iii. What is the function of part 2? iv. Why is the vertebral column curved? Justify with your appropriate answer. b. Give scientific reasons for the following statements: i. The left lung is slightly smaller than the right lung. ii. Breathing through nose is said to be healthier than through the mouth. iii. Some people feel breathlessness at higher altitudes. iv. Some people in old age complain of stiff joints. v. The last two pairs of ribs are called floating ribs. ICSE 5 [5]

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