Agriculture - Mock Test 207

Question 2061

If parents differ in ten gene pairs, no selection is done; six back crosses will produce a population having ______ per cent homozygous and identical individuals to recurrent parent at all ten loci?

A) 65 B) 75 C) 85 D) 95

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Question 2062

If more solute is added to a saturated solution, it settles down but if heated the excess amount also gets dissolve4⃣ Such a solution said to be?

A) Unsaturated B) Saturated C) Super saturated D) Such a solution said to be? 1⃣ Unsaturated 2⃣ Saturated 3⃣ Super saturated

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Question 2063

If dissolved sugar in pure water the resulting solution will have osmotic potential than that of pure water?

A) Equal B) More positive C) More negative D) Difficult to measure

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Question 2064

If a membrane allows the passage of both solvent and solute molecules it is said to be?

A) Non-permeable B) Impermeable C) Semi-Permeable D) Permeable

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Question 2065

If a dihybrid without genic interaction is selfed the following ratio is obtained in F2?

A) 1:1:1:1 B) 9:3:3:1 C) 9;7 D) 9;6;1

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Question 2066

If a dihybrid is test crossed, the phenotypic ratio of progeny will be?

A) 9:3:3:1 B) 9;3;4 C) 1:1:1:1 D) 15;1

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Question 2067

If a character is cytoplasmically controlled then?

A) The progeny resembles female parent B) The progeny resembles male parent C) It's segregation of 3:1 is observed in F1 D) 15:1 segregation in F1

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Question 2068

ICRISAT deals with?

A) Cotton B) Maize C) Millets D) Wheat

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Question 2069

Hydrilla is a?

A) Hydrophyte B) Mesophyte C) Hygrophyte D) Xerophyte

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Question 2070

Hybrid seeds can be produced through open pollination with the use of?

A) Inbreds B) Clones C) Pure lines D) Male sterile lines

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