41. Only specially adapted micro-organisms are found in
- A. Salty water
- B. Humid air
- C. Moist soil
- D. Mouth cavities
42. Plants which can survive in extremely dry places are called
- A. Mesophytes
- B. Xerophytes
- C. Hydrophytes
- D. Angiosperms
43. The presence of ______ for swimming in a tad-pole enables it to adapt in an aquatic habitat.
- A. Gills
- B. Swim bladder
- C. Tail
- D. Fins
44. Possession of thin membrane enables a tapeworm to
- A. Fasten themselves to the wall of the host’s intestine
- B. Lay numerous eggs
- C. Absorb digested food from the host’s intestine to their system
- D. Shield themselves inside the host’s intestine with anti-enzymes in order to avoid being digested
45. Which of the following juices contains the enzyme ptyalin?
- A. Gastric juice
- B. Succus
- C. Pancreatic juice
- D. Saliva
46. Which of the following essential substance is contained in vegetable?
- A. Chlorophyll
- B. Glucose
- C. Mineral Salts
- D. Carbon dioxide
47. Good quality food will perform the following functions in human except
- A. Supplying energy
- B. Providing resistance against malaria
- C. Maintaining health
- D. Sustaining growth
48. Which of the following is considered to be the first product of Photosynthesis?
- A. Protein
- B. Starch
- C. Energised Chlorophyll
- D. Hydroxyl ions
49. Which of the blood corpusles are irregular and amoeloid in shape
- A. Leucocytes
- B. Erythrocytes
- C. Thrombocytes
- D. Plasma
50. Which organ removes the largest quantity of water from the blood?
- A. Lung
- B. Skin
- C. Kidney
- D. Intestine
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