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Body Fluids and Circulation Blood and formed elements  PDF file - DOWNLOAD   1. Name the blood cells whose reduction in number in cause clotting disorder, leading to excessive loss of blood from the body  a. thrombocytes  b. erythrocytes  c. Neutrophils  d. leucocytes  2. Serum differs from blood in lacking a. antibodies  b. clotting factors  c. albumins  d. Globulins  3. Which of the following organs can be called a sort of "blood bank"?  a. Lungs  b. Heart  c. Liver  d. Spleen  4. Which of the following cells does not exhibit phagocytosis activity?  a. Monocyte  b. Neutrophil  c. Basophil  d. Macrophage  5. One of the common symptoms observed in people infected with Dengue fever is  a. Significant decrease in RBC count b. Significant decrease in WBC count c. Significant decrease in platelets count  d. Significant increase in platelets count  6. Which one of the follo...

Breathing and Exchange of Gases Human Respiratory System  1.Which of the following is entirely made of cartilage?  a. Nasal septum  b. Larynx  c. Glottis  d. Trachea  2. Trachea divides into two a right and left primary bronchi at the level of:  a. Seventh cervical vertebra  b. Third thoracic vertebra  c. Fifth thoracic vertebra  d. Seventh thoracic vertebra  3. How many external nostrils are present in human beings  a. 1  b. 2  c. 3  d. None of these  4. Nasopharynx opens through ________ of the larynx region into the trachea.  a. Glottis  b. Gullet  c. Epiglottis  d. All of these  5. Which of the following is true about epiglottis  a. Thin elastic cartilaginous flap  b. Prevent food entry into larynx  c. Coughing occurs due to its improper movement  d. All of these  6. The common passage for food and air is  a. Nasal passage  b. Nasopharynx  ...

D igestion and absorption double fertilization 1.A baby boy aged two years is admitted to play school and passes through a dental check-up. The dentist observed that the boy had twenty teeth. Which teeth were absent?  a. Incisors  b. Premolars  c. Molars  d. Canines  2. Two friends are eating together on a dining table. One of them suddenly starts coughing while swallowing some food. This coughing would have been due to improper movement of  a. neck  b. tongue  c. diaphragm  d. Epiglottis  3. Which of the human teeth help in cutting?  a. Molar  b. Incisor  c. Canine  d. Premolar  4. Which of the following is the correct chronological order for flow of food from mouth to anus?  a. Oesophagus →Stomach→Small intestine→Large Intestine  b. Large  intestine→Oesophagus→Stomach →Small Intestine  c. Small intestine→Large intestine→ Oesophagus → Stomach  d. Stomach →Small intestine → Large intestin...