Horticulture - Study Mode

[#611] Non cracking seedless variety of litchi is
Correct Answer

(B) Swarna Roopa

Explanation

Solution: Non-cracking seedless variety of litchi is Swarna Roopa . Swarna roopa is the outcome of the selection made at CHES, Ranchi from different collections of litchi cultivars. This is the first variety developed in India. It has attractive deep-pink fruit colour, small seed and high TSS/acid ratio. Fruits are highly resistant to cracking. Fruits mature a week later than the late cultivar in China.

[#612] Diamond back moth is the serious pest of
Correct Answer

(C) Cauliflower

Explanation

Solution: The diamond back moth is a serious pest of cauliflower . Diamond back moth attacks only plants of the Cruciferae family. It can cause a yield loss of 80 to 90 percent. The caterpillar's name comes from the diamond-shaped markings on the adult moth. They have distinctive white spots on their wings, due to which they look like diamonds. The caterpillar eats the lower surface of the leaves and damages them.

[#613] Lasoda (Cordia mixa) is a minor fruit of-India belongs to family
Correct Answer

(C) Boraginaceae

Explanation

Solution: Lasoda (Cordia mixa) is a minor fruit of India that belongs to the family Boraginaceae. Cordia myxa , the Assyrian plum , is a mid-sized, deciduous tree in the borage family (Boraginaceae), native to Asia. It produces small, edible fruit and is found in warmer areas across Africa and Asia. It is a kind of a drupe (stone fruit), light pale to brown or even pink. The appearance tends to darken when ripening sets in.

[#614] Plantation crop originally introduced for soil conservation is
Correct Answer

(C) Cashewnut

Explanation

Solution: The plantation crop originally introduced for soil conservation is the cashew nut . Plantations are a type of commercial farming where a single crop of tea, coffee, sugarcane, cashew, rubber, banana, or cotton is grown. The produce may be processed on the farm itself or in nearby factories. In the Cashew cultivation process, the cashew is generally planted on the wastelands and hence the availability of soil moisture is always low, hence, mulching is essential. Mulching with black polythene is beneficial to increase the growth and yield of cashew.

[#615] Very shallow rooted (15-30 centimeter) crop is
Correct Answer

(A) Onion

Explanation

Solution: A very shallow-rooted (15 - 30 centimeter) crop is onion . Shallow-rooted crops have main root systems in the top 1 to 2 feet of soil. Examples are cabbage, cauliflower, lettuce, celery, sweet corn, onion, white potato and radish. Onion plants have fibrous roots. Fibrous roots arise from the base of the stem leaves rather than from the radicle. They are bushy roots formed by several thin, hairy and moderately branched roots. Onion root tips containing meristematic cells are used for microscopic study of mitosis cell division stages.