Horticulture - Study Mode
[#576] Black leg of Cabbage is more incident in
Correct Answer
(A) Saline soils
Explanation
Solution: The black leg of Cabbage is more incident in saline soils . Blackleg caused by Phoma lingam attacks many brassica crops and can spread rapidly within a field. The disease has become less important in cruciferous crops because of successful disease management strategies in seed production. The soil of the field should be new or used after treatment with formalin solution or methyl bromide as a disinfectant to reduce the incidence of this disease.
[#577] D-Ieaf is a best indicator of nutrient status of
Correct Answer
(A) Pineapple
Explanation
Solution: D-Leaf is the best indicator of the nutrient status of pineapple. Pineapple 'D' leaf. The „D‟ leaf is defined as the most recently matured leaf with maximum physiological activity. The leaf is the principal site of plant metabolism, therefore, changes in the nutrient supply are reflected in the composition of the index. Leaf nutrient analysis is the best diagnostic tool that recommends nutrient application only in direct economic response of the fruit crop. It seems to be the best method for identifying the need for the use of nutrients. The study indicates the significance of the D leaf for balancing fertilization in pineapple.
[#578] Sago is made from
Correct Answer
(D) Cassava
Explanation
Solution: Sago is made from cassava. Sago is a starch extracted from the pith, or spongy core tissue, of various tropical palm stems. Sago is a starch extracted from the cassava plant. It is also called sago or sabudana. It is made by crushing raw tapioca roots in a tank and the juice obtained is stored till it turns into a paste. This paste is then made into small round white balls through a machine.
[#579] Cultivated single seeded cucurbit is
Correct Answer
(A) Chayote
Explanation
Solution: Cultivated single-seeded cucurbit is Chayote. Chayote ( Sechium edule ), also known as mirliton and Choko, is an edible plant belonging to the gourd family, Cucurbitaceae. The fruit is roughly pear-shaped, somewhat flattened and with coarse wrinkles, ranging from 10 to 25 cm in length. Depending on the variation, one fruit can weigh up to 1.2 kg. It looks like a green pear and it has a thin, green skin fused with the green to white flesh, and a single, large, flattened pit for seed. Raw chayote may be added to salads or salsas, most often marinated with lemon or lime juice, but is often regarded as unpalatable and tough in texture. Whether raw or cooked, chayote is a good source of vitamin C.
[#580] Which of the following fruit is a single seeded nut
Correct Answer
(A) Litchi
Explanation
Solution: Litchi is a single-seeded nut from the given options. Litchi is a subtropical fruit tree of the family Sapindaceae with great economic and nutritional value. Based on fruit anatomy, the fruit of litchi is a drupe with an edible aril enclosing a single seed surrounded by a pericarp. The fruit is a one-seeded nut, develops in bunches and varies in shape and size. The edible portion of litchi called an aril lies under the papillate, pinkish-red pericarp and surrounds the dark-brown, oily-skinned seed.