Horticulture - Study Mode

[#881] Inbreeding depression is highest in
Correct Answer

(A) Carrot

Explanation

Solution: Inbreeding depression is highest in Carrot . Inbreeding depression is one of the leading factors preventing the evolution of self-fertilization in plants. In populations where self-fertilization evolves, theory suggests that natural selection against partially recessive deleterious alleles will reduce inbreeding depression. Inbreeding depression is high in a self-incompatible perennial herb population like a carrot but absents in a self-compatible population showing mixed mating.

[#882] Pollen sterility is a serious problem in
Correct Answer

(D) Ber

Explanation

Solution: Pollen sterility is a serious problem in Ber . Male sterility in plants implies an inability to produce or release functional pollen and is the result of the failure of the formation or development of functional stamens, microspores or gametes. Ber - Zizyphus mauritiana Lamk. Belongs to the Family: Rhamnaceae. Ber or Indian jujube is indigenous to India. The main drawback of seed propagation is that fruits are small and of poor quality.

[#883] While applying DAP (as a basal dose), it should be never mixed with
Correct Answer

(A) Zn

Explanation

Solution: While applying DAP (as a basal dose), it should be never mixed with Zinc . DAP (Diammonium phosphate) is a concentrated phosphate-based fertilizer. Phosphorus is an essential nutrient along with Nitrogen and plays a vital role in the development of new plant tissues and the regulation of protein synthesis in crops. Basal, spraying fertilizer, or broadcasting fertilizer in field mix or seeds treating, zinc sulphate fertilizer cannot be mixed with any phosphate fertilizer, as it would produce zinc phosphate that is not easily dissolved in water.

[#884] Triple disease resistant variety of tomato is
Correct Answer

(C) Arka Samrat

Explanation

Solution: The triple disease-resistant variety of tomatoes is Arka Samrat. High-yielding F 1 hybrid developed by crossing IIHR-2835 X IIHR-2832. It is the first F 1 Hybrid with triple disease resistance to ToLCV, BW and early blight. Fruits are oblate to high round, large (90 - 110 g), deep red and firm. It is suitable for a fresh market and the yield is 80 - 85 t/ha in 140 days.

[#885] Friendship fruit is the term given to
Correct Answer

(B) Pineapple

Explanation

Solution: Friendship fruit is the term given to Pineapple . Pineapple is a symbol of hospitality, prosperity, friendship and diplomacy. The Pineapple across Continents has come to mean sharing, caring and friendship, and is the symbol of hospitality. The strange-looking fruit was once popular as an architectural feature on buildings and in sculptures and its connection to travel, hospitality and luxury is probably related to Christopher Columbus.