Horticulture - Study Mode

[#406] Major alkaloid in coleus is
Correct Answer

(A) Forskholin

Explanation

Solution: Major alkaloid in coleus is Forskholin . Coleus forskohlii is an important medicinal plant which has a great role in Indian Ayurvedic medicine. It is the only source of the alkaloid forskolin the plant kingdom. It has excellent potential in the drug trade. It is used as a stomach aid and in treating intestinal disorders.

[#407] Resistance breeding is done by
Correct Answer

(B) Back crossing

Explanation

Solution: Resistance breeding is done by Back crossing . Resistance breeding is an important strategy for reducing crop losses caused by disease. Backcrossing is a crossing of a hybrid with one of its parents or an individual genetically similar to its parent, to achieve offspring with a genetic identity closer to that of the parent. It is used in horticulture, animal breeding and production of gene knockout organisms.

[#408] Kinnow is basically a
Correct Answer

(C) Mandarin

Explanation

Solution: Kinnow is basically a Mandarin . It is a high yield mandarin hybrid cultivated extensively in the wider Punjab region of India. It is a hybrid of two citrus cultivars – ‘king’ (Citrus nobilis) × ‘Willow Leaf’ (Citrus deliciosa), developed by Howard B. Frost at the University of California Citrus Experimentation Station.

[#409] Tapping of young female inflorescence in palmyrah is called
Correct Answer

(D) Kaivetty

Explanation

Solution: The palmyrah palm belongs to the family Palmae. There are two kinds of the palmyrah- the male and the female. The male and female flowers are held by two different trees, never in one tree. Both male and female trees produce spikes of flowers but only the female plant bears fruits. However, both trees are used to tap toddy. The flowers are small and appear in densely clustered spikes, developing into large, brown, roundish fruits. The male flowers are smaller than the female flowers. The tapping of young female inflorescence in Palmyrah is called Kaivetty .

[#410] Almond is originated from which center of origin
Correct Answer

(A) Asia minor

Explanation

Solution: Almond is originated from Asia minor. The almond tree is a native of southwest Asia basically Iran. The domesticated form can ripen fruit as far north as the British Isles. It is a small tree, growing to 4 - 9 meters tall. The leaves are lanceolate, 6 - 12 centimeters long, and serrated at the edges. The flowers are white or pale pink, 3 - 5 cm diameter with five petals, produced before the leaves in early spring.