Biology Practice Question and Answer
8 Q: Which of the following can degrade detritus into simpler inorganic substances?
381 064b5267c36fc1bf576512523
64b5267c36fc1bf576512523- 1Algaefalse
- 2Phytoplanktonfalse
- 3Fungal enzymestrue
- 4Lichensfalse
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Answer : 3. "Fungal enzymes"
Explanation :
1. Fungal enzymes decompose simple inorganic substances.
2. Fungi are a type of microorganisms that decompose organic matter.
3. Enzymes break down organic matter into smaller molecules, which can then be used by the body of the fungus.
Q: What percentage of body weight of an adult human is contributed by muscles?
380 063cfbc420d9e560db8e68a8f
63cfbc420d9e560db8e68a8f- 120-30%false
- 210-20%false
- 340-50%true
- 430-40%false
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Answer : 3. "40-50%"
Q: RBCs do not perform aerobic respiration because these do not contain
380 063cfbd67e144980db72402f3
63cfbd67e144980db72402f3- 1Mitochondriatrue
- 2Nucleusfalse
- 3Endoplasmic reticulumfalse
- 4Lysosomesfalse
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Answer : 1. "Mitochondria "
Q: Which of the following factors is responsible for the disease called 'Mad Hatter's Disease'?
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64a2b182d19ae0083334a44d- 1Inhalation of iron dustfalse
- 2Inhaling silica dustfalse
- 3Mercury poisoningtrue
- 4Vitamin-D deficiencyfalse
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Answer : 3. "Mercury poisoning"
Explanation :
1. Mercury poisoning is responsible for which of the following diseases called 'Mad Hatter's Disease'?
2. Mad Hatter's Disease is a form of mercury poisoning that affects the brain and nervous system.
3. There is a risk of mental and behavioural changes, such as confusion, hallucination, and irritability etc. in this disease.
Q: Which of the following fall under Phylum Cnidarian of the animal kingdom?
375 064c2210496ae1f4842fecb82
64c2210496ae1f4842fecb82- 1Sea urchinsfalse
- 2Earthwormsfalse
- 3Snailsfalse
- 4Coralstrue
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Answer : 4. "Corals"
Explanation :
1. Coral comes under the Cnidarian phylum of the animal kingdom.
2. Coral, also known as Coral and Mirajan, is a type of tiny sea creatures that live in groups numbering millions.
3. Coral, also known as Coral and Mirajan, is a type of tiny sea creature that lives in groups numbering millions.
Q: Bowman’s glands are located in the
372 063cfba1c307947462be4f1bb
63cfba1c307947462be4f1bb- 1Anterior pituitaryfalse
- 2Olfactory epithelium of our nosetrue
- 3Proximal end of uriniferous tubulesfalse
- 4Female reproductive system of cockroachfalse
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Answer : 2. "Olfactory epithelium of our nose"
Q: Which of the following is essential to form haemoglobin in blood?
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64b5261788d5e4f52dd23643- 1Fatsfalse
- 2Irontrue
- 3Calciumfalse
- 4Proteinfalse
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Answer : 2. "Iron"
Explanation :
1. Iron is required for the formation of hemoglobin.
2. Hemoglobin is a part of red blood cells that carries oxygen and removes carbon dioxide (a waste product) from the body.
3. Iron is stored in the body mainly in hemoglobin.
Q: There are approximately how many muscles in Human body?
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63cfbe80307947462be5014d- 1206false
- 2320false
- 3554false
- 4650true
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