Q.1 Naturally self pollinated crops having_________.
Cleistogamous flower Heterogamy Self incompatibility
Q.2 Progeny of single homozygous self pollinated crop known as__________.
Inbred line Clone Pureline
Q.3 Indian scientist who contributed for sugarcane research was__________.
C.T.Patel T.S.Venkatraman B.P.PaL
Q.4 First used X-rays for mutations in crop plants observed by _______.
Vavilov, N.J. Stadler, L.J. Borlaug, N.E
Q.5 Triticale contributed by _______.
Vavilov, N.J. Mendel , G. Rimpu
Q.6 A variety for general cultivation over a wide range of environmental conditions has _______.
Narrow adaptability Wide adaptability a & b
Q.7 High yielding semi dwarf varieties of wheat developed by_____________.
Borlaug, N.E N.E.Vavilov Davenport
Q.8 Eight centre of crop diversity identified by_______________.
Rimpu Fairchild N.E.Vavilov
Q.9 Male and female gametes are produced in specialized structure known as___________.
Staminate flower Pistilate flower Flower
Q.10 Flower having crolla, calyx, stamens and pistil known as_______.
Complete flower Respiration Evaporation
Q.11 Example of tuber is _______.
Ginger Potato Garlic
Q.12 Breeding method for development of disease resistant variety is_______.
Backcross Pedigree Bulk
Q.13 Simple and cheapest method for crop improvement is_______.
Mass selection Introduction Pureline selection
Q.14 Bajra is cross pollinated crop due to_______.
Protandry condition Cleistogamy condition Protogynae condition
Q.15 In back cross breeding, parent used only once is________ factor.
Recipient Donor a & b
Q.16 Concept of plant ideotype was first given by_______ effect.
Rimpu Swaminathan Donald
Q.17 Variety having wider adaptability, if it is developed through__________.
Pedigree method Pure line selection Bulk method
Q.18 Land race has_________.
Homozygosity and Homogenity Heterozygosity Homogenity
Q.19 GMS is maintained by___________.
MSms msms MSMS
Q.20 Cross pollination promotes_______.
Homozygosity Heterozygosity a & b
Q.21 Self pollination decreases______________.
Q.22 Protected areas of great genetic diversity under natural condition______.
Gene bank bank Field gene Gene Sanctuary
Q.23 Trisomic having_______________ chromosome numbers.
2n-1 2n-2 2n+1
Q.24 Severe outbreak of disease occurs in crop plant due to_______.
Narrow genetic base Failure of horizontal resistance Broad genetic base
Q.25 If frequency of ‘p’ is 0.2 then Value of Heterozygous genotype (H) will be.
0.64 0.16 0.32
Number of score out of 25 = Score in percentage =
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