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CSS :: Agriculture Genetics Plant Breeding and Biotechnology


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  • Hydroponic Gardening
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31.  A method of breeding most commonly used when the desired variation is required to be induced in a vegetatively propagated crop is:
A. Polyploidy B. Pedigree method of breeding
C. Mutation breeding D. Backcross method of breeding

32.  A mixture of two immiscible liquids shaken up is:
A. Saturated solution B. A suspension
C. An emulsion D. Colloid

33.  A plant bearing both male and female flowers is said to be:
A. Dioecious B. Monoecious
C. Polygamous D. None of above

34.  A plant breeder is interested to control pollination to:
A. Prevent cross-pollination B. Control pollination
C. None of these D. Both of these

35.  A plant cell when put into a hypotonic solution, it unlike animal cell does not brust because:
A. It has no semi-permeable membrane B. It has inelastic cell wall
C. All both (a) & (b) D. None of the above

36.  A plant with 2n = 20 will have how many linkage group:
A. 20 B. 10
C. 40 D. 5

37.  A plant with genotype Gg Ww will produce gametes of which of the following types?
A. GW, gw, gW,Gw B. GG,WW,gg,ww
C. Gw,GG,GW D. All of them

38.  With the increase in temperature, the solubility of solid in a liquid:
A. Increases B. Decreases
C. Both (a) & (b) D. None of the above

39.  A restorer gene is present in:
A. Nucleus B. Cytoplasm
C. Both (a) & (b) D. None of these

40.  A state of meiotic cell division when homologous chromosomes separate and move to different poles is known as:
A. Metaphase I B. Anaphase I
C. Telophase I D. Anaphase II




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