Please select a subject first
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Write a short note on wetland.
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How does EcoRI differ from an exonuclease?
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Name the enzyme responsible for the transcription of genetic code to produce mRNA.
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Which amino acid is coded by the initiation codon?
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Explain the mechanism of PCR.
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Which among the following cells in human has 23 chromosomes?
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What are A, B in the following table:
| Transgenic Crop | Substance | Transgene | |
| (i) | A | Flavonoids | Chalone isomerase |
| (ii) | Rice | B | Ferritin |
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Name the enzymes that are called molecular scissors.
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In vitro amplification of DNA segments is called______.
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Expand YAC used in the field of Biotechnology.
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Sketch and lable - Unfertilized egg.
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Match the following:
| Sr. No. | Column I | Column II | |
| (i) | Eutrophication | (a) | A soil erosion |
| (ii) | Biomagnification | (b) | carbon monoxide, methane |
| (iii) | Particulate pollutant | (c) | Prevention of extinction |
| (iv) | Conservation | (d) | Dust, smog |
| (v) | Gaseous pollutants | (e) | Accumulation of nonbiodegradable substances |
| (vi) | Deforestation | (f) | Death of aquatic ecosystem |
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The number of purines in a segment of a DNA molecule is 68. What will be the number of pyrimidines in this segment?
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What is 'tissue culture'?
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Describe the methodology of tissue culture.
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With the help of a suitable diagram, describe the conducting system of the human heart.
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Explain micropropagation and somatic hybridization.
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What is photorespiration?
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