Biology Practice Question and Answer
8 Q: The term 'mitochondria' was coined by:
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6329b1495c208a6bf7dd9415- 1Carl Bendatrue
- 2J E Salkfalse
- 3Antonie van Leeuwenhoekfalse
- 4Charles Laveranfalse
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Answer : 1. "Carl Benda"
Q: Nails consist of modified ________ cells
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63cfbcc1307947462be4fe07- 1Epithelialfalse
- 2Epidermaltrue
- 3Hypodermalfalse
- 4Dermalfalse
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Answer : 2. "Epidermal"
Q: The condensation of chromosomes is observed in ______
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63cfbec50d9e560db8e69152- 1Prophase 1true
- 2Anaphase 1false
- 3Metaphase 1false
- 4None of the abovefalse
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Answer : 1. "Prophase 1 "
Q: Which of the following factors is responsible for the disease called 'Mad Hatter's Disease'?
501 064a2b182d19ae0083334a44d
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: What is digestion?
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63c7ab778731ac33279ac058- 1Conversion of complex bio-macromolecules to simple absorbable formstrue
- 2Conversion of complex biomolecules to a simple formfalse
- 3Conversion of complex bio-macromolecules to a simple formfalse
- 4Conversion of simple biomolecules to complex formfalse
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Answer : 1. "Conversion of complex bio-macromolecules to simple absorbable forms"
Q: By which of the following structures tongue is attached to the oral cavity?
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63c7c0c6be373f6c9546804e- 1Fingulumfalse
- 2Lingulumfalse
- 3Frenulumtrue
- 4Papilaefalse
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Answer : 3. "Frenulum "
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%"
Q: Which is a specialised excretory cell found in Platyhelminthes that acts like a kidney, removing waste material through filtration?
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64a67f809a74b54cff5c6cec- 1Fat cellfalse
- 2Flame celltrue
- 3Stem cellfalse
- 4Sponge cellfalse
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Answer : 2. "Flame cell"
Explanation :
1. Which is a special excretory cell found in Platyhelminthes which acts like a kidney, and the flame cell does the work of removing waste material through filtration?