1.Entities exhibiting properties of both non-living and living are:(a) diatoms(b) lichens(c) bacteria(d) viruses2. This has a smaller intestine(a) carnivore(b) herbivore(c) both (a) and (b)(d) none of the above3. Which of these substances is transported by the blood plasma?(a) Potassium(b) Food(c) Alcohol(d) All of the above4. Here, the maximum exchange of material between blood and surrounding cells takes place(a) Veins(b) Heart(c) Capillaries(d) Arteries5. In photosynthesis, the chlorophyll is used for(a) No function(b) reduction of carbon dioxide(c) breaking down the water molecule(d) absorbing light6. The enzymes found in secreted intestinal juice finally convert(a) fats into fatty acids and glycerol(b) proteins to amino acids(c) complex carbohydrates into glucose(d) all of these7. The respiratory pigment in human beings is(a) insulin(b) enzymes(c) haemoglobin(d) none of these8. This structure guards the opening of the hepatopancreatic duct into the duodenum(a) Pyloric sphincter(b) Sphincter of Oddi(c) Semilunar valve(d) Ileocaecal valve9. Pick the correct one(a) Serum = Blood + Fibrinogen(b) Lymph = Plasma + RBC + WBC(c) Plasma = Blood – Lymphocytes(d) Blood = Plasma + RBC + WBC10. Reduction of blood pH will(a) reduces the rate of heartbeat(b) reduces the blood supply to the brain(c) releases bicarbonate ions by the liver(d) decrease the affinity of haemoglobin with oxygen11.The process of acquiring oxygen from outside the body, and to use it in the process of break-down of food sources for cellular needs, is called ___ .(A) respiration(B) digestion(C) oxidising(D) excretion12.These waste byproducts are needed to be removed from the body and discarded outside by a process called(A) respiration(B) digestion(C) reducing(D) excretion13.Proteins after digestion are converted into A.Carbohydrates B.Small globules C. Amino acids D.starch14.Which element is used in the synthesis of proteins? A. Hydrogen B. Oxygen C. Nitrogen D. Carbon dioxide15.Temporary finger like extensions on amoeba are called A. Cell membrane B. Cell wall C. Pseudopodia D.Cilia16. Bile juice is secreted by A Stomach B Pancreas C Small intestine D Liver17.Which of these juices is secreted by pancreas? A Trypsin B.Pepsin C Bile juice D Both I and II18.Lipase acts on A Amino acids B. Fats C. Carbohydrates D. All of these19. Respiratory pigment in human body is A. Chlorophyll B. Water C. Blood D. haemoglobin20. Blood consist of what fluid medium? A. Lymph B. Platelets C. Plasma D. All of these21.One cell-thick vessels are called A Arteries B. Veins C. Capillaries D. Pulmonary artery 22.The enzyme Pepsin is inactive in stomach without the presence ofa) Nitric Acid b) Hydrochloric acid c) Acetic acid d) Butyric acid23.Rajib was absent in the class because of muscle pain which he claims to be due to excess physical exercise he had done yesterday. This pain is due to a) Formation of lactic acid b) Formation of acetic acid c) Formation of Pyruvic acid d) Formation of Hydrochloric acid24.Villi present on the inner lining of the intestinal walla) Secretes enzymes for digestionb) Secretes hormonesc) Decreases the surface area for absorptiond) Increases the surface area for absorption25.Right part of the human heart containsa) Oxygenated blood b) Mixed blood c) Deoxygenated blood d) No blood​