Biology Practice Question and Answer
8 Q: An enzyme produced by HIV that allows the integration of HIV DNA into the host cell’s DNA is:
981 0607ec5640372d8542895add5
607ec5640372d8542895add5- 1Integrasetrue
- 2Ligasefalse
- 3DNA gyrasefalse
- 4Helicasefalse
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Answer : 1. "Integrase"
Q: What is 'Ebola'?
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61110ce6a7cc2a2d996fba0a- 1Fungusfalse
- 2Protozoafalse
- 3bacteriafalse
- 4Virustrue
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Answer : 4. "Virus"
Q: Quinine medicine is used?
973 0603635e824cd273bc4f0afee
603635e824cd273bc4f0afee- 1Cholerafalse
- 2jaundicefalse
- 3Malariatrue
- 4All of thesefalse
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Answer : 3. "Malaria"
Q: Consider following features:
(a) Organ system level of organization
(b) Bilateral symmetry
(c) True coelomates with segmentation of body
Select the correct option of animal groups which possess all the above characteristics.
973 063c924581c47ef334be20a45
63c924581c47ef334be20a45(c) True coelomates with segmentation of body
- 1Annelida, Arthropoda and Chordatatrue
- 2Annelida, Arthropoda and Molluscafalse
- 3Arthropoda, Mollusca and Chordatafalse
- 4Annelida, Mollusca and Chordatafalse
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Answer : 1. "Annelida, Arthropoda and Chordata "
Q: The yeast used in making bread is?
969 061110c11f65c04691be9d09f
61110c11f65c04691be9d09f- 1acts as a catalyst for fermentationtrue
- 2does not help in the process of fermentationfalse
- 3acts as a protectorfalse
- 4makes it tastierfalse
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Answer : 1. "acts as a catalyst for fermentation"
Q: Which drug is used as a Blood Thinner?
964 062de84d7dc73b0303fb56841
62de84d7dc73b0303fb56841- 1Warfarintrue
- 2Tramadolfalse
- 3Azithromycinfalse
- 4Hydralazinefalse
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Answer : 1. "Warfarin"
Q: Controlling mosquito using chemical substances is called?
956 0603635939792c13b2854d77a
603635939792c13b2854d77a- 1Bio-controlfalse
- 2Chemical Controltrue
- 3bothfalse
- 4None of thesefalse
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Answer : 2. "Chemical Control"
Q: In the context of the human nervous system, which part of the neuron receives information
956 06572edfe1691dabf7d6129e9
6572edfe1691dabf7d6129e9- 1Dendritetrue
- 2Mitochondriafalse
- 3Axonfalse
- 4Nerve endingfalse
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Answer : 1. "Dendrite"
Explanation :
1. Dendrites are projections of a neuron (nerve cell) that receive signals (information) from other neurons.
2. Transfer of information from one neuron to another is achieved through chemical signals and electrical impulses, i.e. electrochemical signals.