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1) Concept of gene for gene hypothesis was developed in____________________? a. Linseed b. Oat c. Gram d. Tomato
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2) In cotton, jassids have non preference for______________________? a. Fregobract b. Okra leaves c. Smoothness leaves d. Hairiness of leaves
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3) In wheat, example of durable insect resistance includes resistance to___________________? a. Green bugs b. Stem saw fly c. Hessian fly d. All the above
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4) Drought is measured in terms of________________? a. Yield performance b. Photosynthesis c. Root length of seedings d. All the above
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5) Under drought conditions, there is an increase in__________________? a. Pro line level b. Ethylene level c. Abscisic acid d. All the above
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6) Srought is indicated by__________________? a. Increase in proline level b. Increase in ethylene level c. leaf rolling d. all the above
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7) The term ideotype was coined by_____________________? a. Jennings (1958) b. Finlay (1968) c. Rasmesson (1987) d. Donald (1968)
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8) Norine 10 is the source of dwarfing gene in________________? a. Wheat b. Rice c. Barley d. Oat
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9) Dee-Geo-Woogen is the source of dwarfing gene in___________________? a. Wheat b. Sorghum c. Maize d. Rice
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10) The significance of difference among several means is tested with the help of____________________? a. F-test b. t-test c. Z-test d. x-test
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11) The experimental design which control fertility variation in one direction is known as____________________? a. RBD b. SPD c. SPD d. LSD
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12) The ratio of treatment variance to error variance is known as______________________? a. Correction factor b. F-value c. Critical difference d. t-value
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13) Headquarter of union for the protection of new plant varieties is in__________________? a. Thailand b. USA c. Den nark d. Switzerland
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14) In bhindi, production of foundation seed needs and isolation distance_________________? a. 100 meters b. 50 meters c. 200 meters d. 3 meters
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15) Argemone mexicana is an objectional wed of__________________? a. Oat b. Rapseed/mustard c. Tomato d. Barley
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16) The recommended ratio of male the recommended of male rows to female rows in hybrid bajra production is_________________? a. 2 to 4 b. 1 to 2 c. 4 to 8 d. 3 to 6
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17) Which one of the following is fruit____________________? a. Cauliflower b. Potato c. Brinjal d. Ginger
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18) Maturation of stamens and pistils at different times in the same flower is called___________________? a. Heterostyle b. Dichotamy c. Heterospory d. Dichogamy
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19) Tomato would not have turned red if__________________? a. They were kept at the bottom layer of box b. They were mixed with ripe apples c. There were no ripe apples in the box d. Less “hey”had been put in the box
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20) In potato food is stored in__________________? a. Root b. Shoot c. Leaves d. Flowers
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