General Awareness Quiz – Biology

General Awareness Quiz Set 44 for SSC CGL, SSC CHSL and Railways exams. Biology Quiz for SSC CGL, SSC CHSL, Railways etc.

Topic: General Science – Biology

1. Why Cyanide poisoning causes death in seconds?
   A) Because it causes lysis of red blood cells.
   B) Becauseit breaks the electron transparent chain.
   C) Becauseit denatures enzymes of the heart/muscle.
   D) Because it causes cardiac attack.
   
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     Option B
   Explanation: Because it breaks the electron transparent chain.
2. What phenomenon is referred as when one gene pair hides the effect of the other unit?
   A) Dominance
   B) Mutation
   C) Epistasis
   D) None
   
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     Option A.
   Explanation: Dominance.
3. Haemolymph is observed in
   A) Echinoderms
   B) Annelids
   C) Ascaris
   D) Arthropods
   
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   Option D.
   Explanation: Arthropods.
4. What is known as the virus without capsid but only with nucleic acids?
   A) Capsomere
   B) Nuecloid
   C) Virion
   D) Prion
   
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   Option B.
   Explanation: Nuecloid.
5. Pink mould is the common name for
   A) Neurospora
   B) Aspergillus
   C) Rhizopus
   D) Mucor
   
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   Option C.
   Explanation:Rhizopus.
6. The sleeping sickness is caused by
   A) Trypanosoma
   B) Entamoeba
   C) Escherichia
   D) Neisseria
   
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   Option A.
   Explanation: Trypansoma.
7. __________ are the Fungi that grow on bark
   A) Corticolous
   B) Saxicolous
   C) Xylophilous
   D) Coprophilous
   
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   Option A.
   Explanation: Corticolous.
8. Hyperplasia means
   A) an increase in size of a cell
   B) an increase in size of a cell
   C) excessive motility of muscle
   D) voracious eating
   
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   Option B.
   Explanation: an increase in size of a cell.
9. The part of root involved in water absorption is?
   A) zone of elongation
   B) zone of root cap
   C) zone of cell division
   D) zone of root hairs
   
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   Option D.
   Explanation: zone of root hairs.
10. Iodine test is used to detect
    A) Proteins
    B) Fats
    C) Carbohydrates
    D) Energy
    
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    Option C.
    Explanation: Carbohydrates.

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