Biology Practice Question and Answer
8 Q: Who discovered the first vaccine for smallpox?
848 0632c4cc031300b7ce4733364
632c4cc031300b7ce4733364- 1Louis Pasteurfalse
- 2Edward Jennertrue
- 3Alexander Flemingfalse
- 4John Hunterfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Edward Jenner"
Q: What is a diphyodont type of dentition?
845 063c7b9221e8e3f3e1a35d1e2
63c7b9221e8e3f3e1a35d1e2- 1Two types of teeth onlyfalse
- 2Two phase of gums and teethfalse
- 3Three types of teethfalse
- 4Two sets of teeth during lifetrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Two sets of teeth during life"
Q: What percentage of body weight of an adult human is contributed by muscles?
834 063cfbc420d9e560db8e68a8f
63cfbc420d9e560db8e68a8f- 120-30%false
- 210-20%false
- 340-50%true
- 430-40%false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "40-50%"
Q: RBCs do not perform aerobic respiration because these do not contain
833 063cfbd67e144980db72402f3
63cfbd67e144980db72402f3- 1Mitochondriatrue
- 2Nucleusfalse
- 3Endoplasmic reticulumfalse
- 4Lysosomesfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Mitochondria "
Q: Which organ does detoxification and produces chemicals needed for digestion?
831 062de6cbbdc73b0303fb4ed15
62de6cbbdc73b0303fb4ed15- 1Thyroid glandfalse
- 2Livertrue
- 3Salivary glandsfalse
- 4Pancreasfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Liver"
Q: How many teeth in man come out twice?
829 063cfbbaa0d9e560db8e684e0
63cfbbaa0d9e560db8e684e0- 14false
- 212false
- 320true
- 428false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "20"
Q: What is the loss of bone density and strength known as?
808 064b181c8568e7ff594a2d32b
64b181c8568e7ff594a2d32b- 1Osteoporosistrue
- 2Acromegalyfalse
- 3Fibrous dysplasiafalse
- 4Fracturefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
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 part of the digestive system receives secretions from the liver and the pancreas?
804 064919e0ecae316dfef6878f3
64919e0ecae316dfef6878f3- 1Large intestinesfalse
- 2Stomachfalse
- 3Gall bladderfalse
- 4Small intestinestrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Small intestines"
Explanation :
The small intestine is the part of the digestive system that receives secretions from the liver and pancreas.