Biology Practice Question and Answer
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Q: Which disease is caused by cadmium pollution?
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5f61cdac80a26b7dab088780- 1Minamatafalse
- 2Black foot diseasefalse
- 3Dyslexiafalse
- 4Itai-itaitrue
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Answer : 4. "Itai-itai"
Q: The focal length of a plane mirror is ______.
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5f5718df79cfd646ddd368dc- 1positivefalse
- 2negativefalse
- 3infinitytrue
- 4zerofalse
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Answer : 3. "infinity"
Q: Which category of compound is the most concentrated energy source?
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5f571888f13b91397f39416d- 1Vitaminsfalse
- 2Starchfalse
- 3Proteinsfalse
- 4Fatstrue
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Answer : 4. "Fats"
Q: Pathogenic bacteria secrete
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5f4cd595081699374e810e4e- 1Hormonesfalse
- 2Interferonsfalse
- 3Antigenstrue
- 4Antibodiesfalse
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Answer : 3. "Antigens "
Q: Which of the following is true?
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5f4cd4ff9b1d69402e95b706- 1DNA is the genetic material in all the virusesfalse
- 2RNA is the genetic material in all the virusesfalse
- 3DNA is the genetic material in most of the organismtrue
- 4RNA is the genetic material in most viruses and bacteriafalse
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Answer : 3. "DNA is the genetic material in most of the organism "
Q: A specific function of light energy in the process of photosynthesis is to ______.
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5f48ce3ccebf7d1232e8b50d- 1activate chlorophylltrue
- 2formation of oxygenfalse
- 3absorb waterfalse
- 4reduce carbon- di-oxidefalse
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Answer : 1. "activate chlorophyll "
Q: Sponges belongs to the phylum
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5f437e5109e4377de92f2b3a- 1Protozoafalse
- 2Annelidafalse
- 3Poriferatrue
- 4Cnideriafalse
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Answer : 3. "Porifera "
Q: Bacteria was discovered by
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5f436a0d09e4377de92ed3fd- 1Antony van Leeuwenhoektrue
- 2Robert Brownfalse
- 3Hugo de Vriesfalse
- 4Belarusfalse
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Answer : 1. "Antony van Leeuwenhoek "
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