the seeds through a small opening called mesocarp.it is true or false
Answers
Answer:
SO THE ANSWER IS FALSE
Explanation:
However, several technologies can engineer fruits without seeds. Seedless watermelons are produced by crossing diploid (2n) and tetraploid (4n) parents to produce triploid (3n) plants. Triploid cells cannot conduct meiosis, so gametes and seeds are infertile. Pollination of triploids with diploid plants produces far fewer, smaller seeds, but does successfully stimulate fruit development. Bananas are triploid as well; horticulturists use vegetative reproduction to make clones of existing triploid plants. Seedless table grapes are bred to pollinate and fertilize normally, but lose or abort the embryo after seeds have begun to stimulate fruit development; after loss of embryos, gibberellins are usually sprayed on the grapes to make them larger. Grape breeders use “embryo rescue” to breed additional varieties of seedless grapes by removing the embryos before they abort, growing them in tissue culture, and then breeding them when mature.
A few plants, such as wild parsnip and a species of juniper, produce seedless fruits naturally under certain conditions. The adaptive value of this apparently wasteful strategy may be to feed non-dispersing herbivores without “wasting” seeds (if, for example, 20% of the crop is seedless) or to sustain populations of dispersing herbivores through lean years when seeds cannot be produced.
Summary
Three basic categories of fruits are simple, aggregate, and multiple.
Accessory fruits include other flower parts, in addition to ovary tissues.
Ovaries may be superior or inferior, depending on the site of attachment of petals.
Plant ovaries surround ovules with pericarp tissues, including exocarp, mesocarp, and endocarp.
A true fruit is a ripened ovary or carpel, which contains seeds.
Studying botanical classificationof fruits and seeds reveals adaptations and our role in angiosperm success.
Food categories such as “fruit” “vegetable” and “nut” show little understanding of angiospermstructure.
Flowers with single pistils form simple fleshy fruits, including drupes, pomes, berries and nuts.
Simple dry fruits include legumes, grains, and the winged seeds of elms and maples.
Aggregate fruits such as raspberries develop from single flowers that have multiple pistils.
Multiple fruits form from clusters of separate flowers whose individual fruits eventually fuse.
Most fruits develop only when fertile seeds produce gibberellins.
Horticulturists use embryo-aborting and triploid varieties to produce seedless fruits.
Answer:
False.
The seeds through a small opening called mycropyle.
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