Horticulture - Study Mode
[#256] Which one of the following citrus type is source of monoembryonic
Correct Answer
(C) Pummelo
Explanation
Solution: Pummelo is one of the following citrus types and is the source of monoembryonic. Citrus maxima are the largest citrus fruit from the family Rutaceae and the principal ancestor of the grapefruit. It is a natural, non-hybrid, citrus fruit, native to Southeast Asia. Similar in taste to a sweet grapefruit, the pummelo is commonly consumed and used for festive occasions throughout Southeast Asia. The seeds of the pomelo are monoembryonic, producing seedlings with genes from both parents, but they are usually similar to the tree they grow on.
[#257] Hand pollination is most useful in which fruit
Correct Answer
(D) Date palm
Explanation
Solution: Hand pollination is most useful in Date palm fruit. Hand-pollination is used with date palms to avoid wasting space and energy growing sufficient male plants for adequate natural pollination. Because of the level of labor involved, hand-pollination is only an option on a small scale, used chiefly by small market gardeners and owners of individual plants.
[#258] Which fruit crop has the highest chromosome (2n = 308)
Correct Answer
(C) Mulberry
Explanation
Solution: Mulberry is the fruit crop that has the highest chromosome i.e. 2n = 308. Mulberry belongs to the family Moraceae and includes 60 species found distributed in both hemispheres. The black mulberry is known for its large number of chromosomes. Each cell has 308 chromosomes in total, and exhibits tetratetracontaploidy (44x), meaning that its genome contains seven chromosomes, and each cell has 44 copies of each.
[#259] Onion variety suitable for kharif crop is
Correct Answer
(C) Agrifound dark red
Explanation
Solution: The onion variety suitable for the Kharif crop is Agrifound dark red . Bulbs are dark red in colour, globular in shape with tight skin and moderately pungent. Mature in 95 - 110 days after transplanting. Recommended for growing in Kharif season over the country.
[#260] . . . . . . . . is also known as "four angled bean".
Correct Answer
(C) Winged bean
Explanation
Solution: The Winged bean is also known as the 'four angles bean’. The winged bean (Psophocarpus tetragonolobus), also known as cigarillas, goa bean, four-angled bean, four-cornered bean, Manila bean, princess bean, asparagus pea, dragon bean, is a tropical herbaceous legume plant.