Biomolecules
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Biomolecules
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25 Questions

1. Which one of the followinghydrolysesinternalphosphodiesterbonds in a polynucleotide chain? [2005]
2. Due to discovery of which of thefollowing in 1980 the evolution wastermed as RNA world? [2001]
3. Which of the following statementsabout enzymes is wrong? [NEET Kar.2013]
4. Carbohydrates - the most abundantbiomolecules on earth - are produced by:[2005]
5. The pyrenoids are made up of [1995]
6. Mineral associated with cytochrome is
7. A phosphoglycerate is always madeup of: [NEET 2013]
8. Lactose is composed of [1998]
9. Carrier ions like Na+ facilitate theabsorption of substances like: [2010]
10. Living cell contains 60 -“ 75% water.Water present in human body is [1992]
11. One of the similarities between DNAand RNA is that both [2000]116
12. Length of one turn of the helix in ab-form DNA is approximately [2000 - 06]
13. The enormous diversity of proteinmolecules is due mainly to the diversityof [1998]
14. Most diverse macromolecules - foundin the cell both physically andchemically are [1996]
15. Minor changes at gene level aredescribed as
16. Which one contains four pyrimidinebases? [1994]
17. Adenine is [1992]
18. Types of RNA polymerase required innucleus for RNA synthesis? [2001]
19. An enzyme brings about [1993]
20. Which is an essential amino acid?[2000]
21. In RNA - thymine is replaced by [1991 - 92]
22. Macro molecule chitin is: [NEET2013]
23. A segment of DNA has 120 adenineand 120 cytosine bases. The totalnumber of nucleotides present in thesegment is [1991]
24. Most abundant organic compound onearth is [2001]
25. RNA does not possess [1988]

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