21. Which one of the following is not correctly matched pair?
(A) G° = 0, Keq= 1
(B) G° < 0, Keq< 1
(C) G° > 0, Keq< 1
(D) G° < 0, Keq > 1
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22. How many chain isomers are possible for the alkane having molecular formula C6H14 ?
(A) 2
(B) 1
(C) 3
(D) 5
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23. Choose the correct statement among following options.
(A) Water is splitted in non-cyclic phosphorylation
(B) P700 system is not active in non-cyclic phosphorylation
(C) In cyclic phosphorylation electron flow is unidirectional
(D) Oxygen is evolved in cyclic phosphorylation
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24. What is the IUPAC name of the element having atomic number 101 ?
(A) Unnilbium
(B) Unununnium
(C) Ununnillium
(D) Unnilunium
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25. Which of the following product is obtained on acetylation of glucose with acetic anhydride?
(A) Glucose Triacetate
(B) Glucose Tetraacetate
(C) Glucose Pentaacetate
(D) Glucose Hexaacetate
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26. Which of the following zones of a biosphere reserve should be kept free from all types of human activities ?
(A) Central zone
(B) Core zone
(C) Buffer zone
(D) Transition zone
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27. What is pH value of human blood?
(A) 7.0
(B) 7.4
(C) 8.4
(D) 6.4
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28. Widal test is used to detect the following
(A) Pneumonia
(B) Malaria
(C) Typhoid
(D) Filariasis
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29. Which one of the following expression shows correct relationship between temperature °F and °C scales?
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30. Which of the following is the Triploid variety of Marigold?
(A) Pusa Narangi Genda
(B) Climax
(C) Golden Age
(D) Nugget
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