Biology Practice Question and Answer
8 Q: What is the loss of bone density and strength known as?
1068 064b181c8568e7ff594a2d32b
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: Which of the following dust causes lung cancer?
1067 06329bdbf4ada076be65725ee
6329bdbf4ada076be65725ee- 1Ledfalse
- 2Asbestostrue
- 3Carbon monoxidefalse
- 4Cadmiumfalse
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Answer : 2. "Asbestos"
Q: What causes hoof and mouth disease in animals?
1064 062663cfb97c2ed7f1ddc87f3
62663cfb97c2ed7f1ddc87f3- 1Bacteriafalse
- 2Protozoafalse
- 3Virustrue
- 4Insectfalse
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Answer : 3. "Virus"
Q: What are the mechanisms affecting in polio disease?
1050 060363433a0666c3c8505f6ce
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?
1047 063cfbc420d9e560db8e68a8f
63cfbc420d9e560db8e68a8f- 120-30%false
- 210-20%false
- 340-50%true
- 430-40%false
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Answer : 3. "40-50%"
Q: Which part of the digestive system receives secretions from the liver and the pancreas?
1045 064919e0ecae316dfef6878f3
64919e0ecae316dfef6878f3- 1Large intestinesfalse
- 2Stomachfalse
- 3Gall bladderfalse
- 4Small intestinestrue
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Answer : 4. "Small intestines"
Explanation :
The small intestine is the part of the digestive system that receives secretions from the liver and pancreas.
Q: What is a diphyodont type of dentition?
1034 063c7b9221e8e3f3e1a35d1e2
63c7b9221e8e3f3e1a35d1e2- 1Two types of teeth onlyfalse
- 2Two phase of gums and teethfalse
- 3Three types of teethfalse
- 4Two sets of teeth during lifetrue
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Answer : 4. "Two sets of teeth during life"
Q: The human shoulder joint is an example of a ______ joint.
1033 0649196ac14cf8fe013d799e2
649196ac14cf8fe013d799e2- 1fixedfalse
- 2pivotalfalse
- 3hingefalse
- 4ball and sockettrue
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Answer : 4. "ball and socket"
Explanation :
1. The human shoulder joint is an example of a ball and socket joint.
2. In this type of joint, a rounded end of one bone fits into a flat or cup-shaped recess of the other bone.