
	Trending ▼ ICSE CBSE 10th ISC CBSE 12th CTET GATE UGC NET Vestibulares ResFinder

ICSE Class IX Mid-term 2020 : Biology

6 pages, 0 questions, 0 questions with responses, 0 total responses,

	Zuser 1234	+Fave Message
	Profile Timeline Uploads

Home > zuser0125 >

Formatting page ...

GREENWOOD HIGH TERM EXAMINATION 1 OCTOBER 2020 SUBJECT BIOLOGY Grade: 9 Date: 15/10/20 Time: 2 Hrs Max. Mark:80 Answers to this paper must be written on A4 paper 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. This paper contains 6 printed sides _________________________________________________________________________ SECTION I (40 marks) (Attempt all questions in this Section) QUESTION 1: a. Choose the correct option from the given options. [5] i. Two friends are eating together on a dining table. One of them suddenly starts coughing while swallowing some food. The coughing is due to improper movement of A. Tongue C. Diaphragm B. Epiglottis D. Nostril ii. Calyx having fused sepals is called: A. Polysepalous C. Gamosepalous B. Polypetalous D. Gamopetalous iii. Under normal conditions, which of the following statements is not correct about saliva? A. Human saliva is slightly acidic C. It contains Lysozyme B. Produced by 6 pairs of salivary glands D. Contain salivary amylase. iv. What is common among Amylase, Rennin and Trypsin? A. These are all proteins C. These are produced in stomach This paper has 6 no of printed pages B. These are all proteolytic enzymes D. These act at pH lower than 7. 1 v. Mark the odd one with respect to girdle bones: A. Ilium C. Ileum vi. The enzyme found in the gastric juice of infants for digestion of milk protein isA. Trypsin C. Salivary amylase vii. B. Rennin D. Lysozyme A cricket player is chasing a fast ball in the field. Which one of the following group of bones are directly contributing to this movement? A. Femur, stirrup, tibia, sternum C. Pelvis, ulna, patella, tarsals viii. ix. B. 2 D. 4 Which one of the following is an example of albuminous dicot seed? A. Vallisneria C. Custard apple x. B. Tarsals, femur, metatarsals, tibia D. Sternum, femur, tibia, fibula How many bones form pelvic girdle in humans? A. 1 C. 5 B. Bean D. Orchid Which of the following joint is present between sternum and rib? A. Cartilaginous joint C. Pivot b. B. Ischium D. Pubis B. Fibrous joint D. Hinge joint Give a technical/biological name for the following description. i. ii. iii. iv. v. vi. vii. viii. ix. x. [5] The smallest bone of the body. Joints present in the phalanges. Opening between the stomach and small intestine. The first bone of the vertebral column. The second whorl of a flower. The upper part of the skull which is made up of 8 bones. The narrow worm shaped structure that is present at the blind end of caecum. Mineral ion that makes bone matrix hard. The process of introduction of weak/killed germs into the body. The process of boiling milk at high temperature followed by sudden cooling. c. Observe the relationship between the first two pairs and then fill the suitable word for second pair. [5] i. HCl: pepsinogen::________________: trypsinogen. ii. Lactose: Lactase :: sucrose:____________ . iii. Stomach: Churning :: mouth:____________. iv. Glenoid cavity: Humerus::____________: femur. v. Cervical vertebrae:7 :: lumbar vertebrae:___________. This paper has 6 no of printed pages 2 d. State the exact location and function of the following organs. i. Cardiac sphincter ii. Rectum iii. Nectaries iv. Foramen magnum v. Larynx [5] e. Define the following words. i. Peristalsis iii. True ribs v. Vital capacity [5] ii. Placentation iv. Calorie f. State the difference between the following pairs based on the condition given in the bracket. [5] i. ii. iii. iv. v. Lactose and Maltose(composition) Antibodies and Antibiotics (source of production) Inspired air and expired air (Carbon dioxide Concentration) Inspiratory Reserve Volume and Expiratory Reserve volume (Quantity in ml) Galactose and sucrose(source) g. Find the odd one in each set and mention the category of the rest. i. Sublingual, submandibular, pancreas, parotid. ii. Trachea, papillae, bronchi, alveoli. iii. Streptomycin, Chloromycetin, Tetracycline, Penicillin. iv. Rose, Vallisneria, Hibiscus, Lotus v. Dichogamy, Autogamy, Herkogamy, Heterostyly [5] h. Give reason for the following questions. i. Pelvic girdle is wider in females than in males. ii. Rice flowers produce huge amount of pollen grains. iii. Doctors advise to take protein rich food after surgery. iv. Alveoli are profusely covered with blood capillaries. v. At high altitudes people feel breathlessness and dizziness. [5] SECTION II (40 MARKS) (Attempt any 4 questions from this section) QUESTION 2: a. Account for the following. [3] i. We must take balanced diet for healthy living. ii. People living in hilly areas have swollen neck. iii. Cellulose is not digested in our body. Yet it is an important component of our diet. This paper has 6 no of printed pages 3 b. Complete the table. [5] Vitamin Chief function Deficiency Disease Vitamin A Component of rhodopsin i ii iii Haemorrhage Vitamin C Promotes function of capillary wall iv Vitamin D v vi vii Promotes health of the skin and the nervous system viii ix x Beri beri c. Identify the diseases given in figure A and B and state the causes of each. A [2] B QUESTION 3: a. Study the figure and answer the following questions. i. ii. iii. iv. v. [5] Identify the structure and label its parts marked as A, B and C. Give one difference between the function of B with C. State the dental formula of an adult Human. Name the vein that carries the nutrients from C to the liver. What is the fate of excess glucose after digestion? b. Answer the given questions. i. ii. iii. iv. [5] Draw a premolar tooth and label Dentine, pulp, cement and blood capillaries. State two characteristics of an enzyme. Boiled rice when chewed thoroughly taste sweet, why? Name the food types in humans that reaches the stomach totally undigested. This paper has 6 no of printed pages 4 QUESTION 4: a. Given is the anterior view of a long bone. Answer as directed. [5] i. Label the parts A, B, C and D. ii. State one function of A and one function of C. iii. Mention the number of bones present in: A-Skull B-Vertebral column (in Adults) iv. Name the bones present in the pectoral girdle. b. The figure shows a typical vertebra. i. ii. iii. iv. [5] Label the parts A, C and D. How is part B different from that of a lumbar vertebra? State the function of C and D. Draw a knee joint and name and label the parts as described below. A. Lubricating fluid. B. Connective tissues around the joint. C. Tissue that reduces friction. QUESTION 5: a. Answer the following questions based on the diagram. [5] i. ii. iii. iv. What is the function of Caustic soda solution in the tube A? What changes would you expect to observe in flask D? Give balanced equation for the two types of respiration in plants. If flask C were fitted with a 3-holed rubber stopper and a thermometer were introduced in such a way that its bulb reaches close to the germinating seeds, what would you observe and why? v. A farmer ploughs his field before plantation. Give reason. This paper has 6 no of printed pages 5 b. i. ii. iii. Study the flow chart and answer the following questions. [3] Name the processes A and D. State the names of the bacteria which are responsible for the processes marked as A, B and C. Mention one significance of the process D. c. Answer the given questions. i. ii. [2] State any two criteria for a good antibiotic. Name the vaccines made from bacteria that are used for: A. Typhoid B. Tuberculosis QUESTION 6: a. The adjoining diagram shows the longitudinal section through a maize grain. Answer the following questions as directed. [5] i. ii. iii. iv. v. Name the parts marked as A, B, C and D. State the function of A. Why do we use the term grain and not a seed for this? What kind of germination takes place in this grain? Name the parts that protect C and D respectively. b. Answer the given questions. i. ii. iii. iv. [5] Draw an ovule showing Egg cell, Antipodals, Nucellus and Polar nuclei. State 2 advantages of cross pollination. Mention the fate of the following parts of the flower after fertilisation: A. Ovary B. Ovary wall Define Double fertilisation. ************************************************************************** This paper has 6 no of printed pages 6

Formatting page ...

zuser0125 chat

Horizontal lines at:
Guest Horizontal lines at:
AutoRM Data:
Box geometries: