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1041. A person with AB blood group is sometimes called a universal recipient because of the :
A. presence of antibodies in his blood
B. lack of antibodies in his blood
C. lack of antigen in his blood
D. lack of both antigens and antibodies in his blood
Explanation:
1042. Rigidity of cell wall is due to :
A. chitin
B. lignin
C. suberin
D. pectin
Explanation:
1043. A victim of a road accident is unconscious. Put in correct order the steps in fiest aid : 1. Treating for cardiac arrest2. Treating for asphyxia3. Treating for shock4. Arrest haemorrhage5. Cleanse and cover wounds
A. 1, 2, 3, 4, 5
B. 2, 1, 4, 3, 5
C. 2, 3, 1, 4, 5
D. 5, 2, 1, 3, 4
Explanation:
1044. Which of the following chemicals is used for preserving fruit juices ?
A. Ammonium sulphate
B. Sodium hydroxide
C. Sodium benzoate
D. Potassium nitrate
Explanation:
1045. The colour of bile pigments is largely derived from :
A. breakdown of haemoglobin from worn-out cells
B. bile salts
C. undigested food
D. xanthophylls
Explanation:
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