set 2 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 3 EXERCISES
The following question based on blood transport system topic of general science mcq
(a) Increases
(b) Does not change
(c) Decreases
(d) First decreases, then increases
The correct answers to the above question in:
Answer: (a)
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Question : 1
A married couple adopted a male child. A few years later, twin boys were born to them. The blood group of the couple is AB positive and O negative. The blood group of the three sons is A positive, B positive and O positive. The blood group of the adopted son is
a) A positive
b) B positive
c) O positive
d) Cannot be determined on the basis of the given data
Answer »Answer: (c)
Question : 2
A person with ‘AB’ blood group is sometimes called a universal recipient because of the
a) Lack of antibodies in his blood
b) Lack of both antigens and antibodies in his blood
c) Lack of antigen in his blood
d) Presence of antibodies in his blood
Answer »Answer: (a)
Question : 3
Blood is
a) Epithelial tissue
b) Both of the above
c) Connective tissue
d) None of the above
Answer »Answer: (c)
Question : 4
What is the pH level of blood of a normal person?
a) 6.45-6.55
b) 7.35-7.45
c) 4.5-4.6
d) 8.25-8.35
Answer »Answer: (b)
Question : 5
What is the basic feature of antigen?
a) It induces formation of antibodies
b) It destroys insulin
c) It induces formation of haemoglobin
d) It acts against the antibodies
Answer »Answer: (a)
Question : 6
Biological Oxygen Demand (BOD) is a standard criterion for
a) Computing oxygen levels in forest ecosystems
b) Pollution assay in aquatic ecosystems
c) Measuing oxygen levels in blood
d) Assessing oxygen levels in high altitude regions
Answer »Answer: (b)
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