Biology Questions Practice Question and Answer
8 Q: In human beings, the small intestine is coiled and is about ______ metres long.
775 0642422fa5bff3d098d10d509
642422fa5bff3d098d10d509- 11 to 1.5false
- 23 to 3.5false
- 32 to 2.5false
- 47 to 7.5true
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Answer : 4. "7 to 7.5"
Q: Which of the following can degrade detritus into simpler inorganic substances?
773 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: Which of the following factors is responsible for the disease called 'Mad Hatter's Disease'?
772 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: Which of the following is a correct match?
768 063cfc2cb0d9e560db8e69d3f
63cfc2cb0d9e560db8e69d3f- 1Down's syndrome - 21st chromosometrue
- 2Sickle-cell anaemia - X-chromosomefalse
- 3Haemophilia - Y- chromosomefalse
- 4Parkinson's - X and Y-chromosomefalse
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Answer : 1. "Down's syndrome - 21st chromosome "
Q: Which group of animals are named because of their spiny skin and a peculiar water-driven tube system that they use for moving around?
766 064b527acefb5ba16688217c6
64b527acefb5ba16688217c6- 1Hemichordatafalse
- 2Aschelminthesfalse
- 3Echinodermatatrue
- 4Molluscafalse
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Answer : 3. "Echinodermata "
Explanation :
1. All the creatures of Echinodermata phylum are marine and have thorny bodies.
2. There is a mass flow system in their body.
3. A specific water-conveying canal system is found, which helps in their movement.
Q: The tissue in man where no cell division occur after birth is
765 063cfc218307947462be50b2d
63cfc218307947462be50b2d- 1Skeletalfalse
- 2Nervestrue
- 3Connectivefalse
- 4Germinalfalse
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Answer : 2. "Nerves "
Q: Deficiency of which one of the following causes xeroph thalmia
757 06389ba5aa528960cccf484b7
6389ba5aa528960cccf484b7- 1Vitamin B3false
- 2Vitamin B12false
- 3Vitamin Atrue
- 4Vitamin Cfalse
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Answer : 3. "Vitamin A"
Q: Which of the following diseases is caused by fungus?
754 0644be2496b39d4ce23d716b3
644be2496b39d4ce23d716b3- 1Ringwormtrue
- 2Diarrhoeafalse
- 3Small poxfalse
- 4Poliofalse
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