Biology Questions Practice Question and Answer
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64b181c8568e7ff594a2d32b Answer : 1. "Osteoporosis"
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Q: RBCs do not perform aerobic respiration because these do not contain
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63cfbd67e144980db72402f3- 1Mitochondriatrue
- 2Nucleusfalse
- 3Endoplasmic reticulumfalse
- 4Lysosomesfalse
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Answer : 1. "Mitochondria "
Q: Who discovered the first vaccine for smallpox?
1084 0632c4cc031300b7ce4733364
632c4cc031300b7ce4733364- 1Louis Pasteurfalse
- 2Edward Jennertrue
- 3Alexander Flemingfalse
- 4John Hunterfalse
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Answer : 2. "Edward Jenner"
Q: Which of these diseases is contagious?
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603632b6e62cee435672d938- 1Malariatrue
- 2Cancerfalse
- 3Hypertensionfalse
- 4Diabetesfalse
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Answer : 1. "Malaria"
Q: Which of the following dust causes lung cancer?
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6329bdbf4ada076be65725ee- 1Ledfalse
- 2Asbestostrue
- 3Carbon monoxidefalse
- 4Cadmiumfalse
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Answer : 2. "Asbestos"
Q: What is the loss of bone density and strength known as?
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64b181c8568e7ff594a2d32b- 1Osteoporosistrue
- 2Acromegalyfalse
- 3Fibrous dysplasiafalse
- 4Fracturefalse
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Answer : 1. "Osteoporosis"
Explanation :
1. Decrease in bone density and strength is called osteoporosis.
2. Osteoporosis is a condition in which bones become weak and brittle.
3. Women suffer from osteoporosis more often than men.
Q: What causes hoof and mouth disease in animals?
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62663cfb97c2ed7f1ddc87f3- 1Bacteriafalse
- 2Protozoafalse
- 3Virustrue
- 4Insectfalse
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Answer : 3. "Virus"
Q: What are the mechanisms affecting in polio disease?
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60363433a0666c3c8505f6ce- 1circulatory systemfalse
- 2emission systemfalse
- 3nervous systemtrue
- 4Respiratory systemfalse
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Answer : 3. "nervous system"
Q: What percentage of body weight of an adult human is contributed by muscles?
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63cfbc420d9e560db8e68a8f- 120-30%false
- 210-20%false
- 340-50%true
- 430-40%false
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Answer : 3. "40-50%"
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