Reproduction in Plants
|Number of Questions: 17|
|Created by: Muni Gupte|
|Tags: botany Reproduction in Plants Reproduction in Organisms|
Gemmules are the asexual reproductive structures of which of the following organisms?
Common asexual reproductive structures are conidia (Penicillium), buds (Hydra) and gemmules (sponge).
The basal part of ovule is known as ________.
Opposite the micropylar end, is the chalaza, representing the basal part of ovule.
At maturity, a typical angiosperm embryo sac is ________.
A typical angiosperm embryo sac, at maturity, though 8-nucleate is 7-celled. The large central cell has two polar nuclei.
Epicotyl in monocotyledons has a shoot apex and a few leaf primordia enclosed in which of the following structures?
Epicotyl has a shoot apex and a few leaf primordia enclosed in a hollow foliar structure, the coleoptile.
Which of the following fruits is an example of collection of capsules?
Sweet gum, is an example of collection of capsules.
Pineapple belongs to which of the following anatomical categories of fruits?
Multiple fruits are formed from the fused ovaries of multiple flowers. An example for a multiple fruit is pineapple.
Seedless bananas and grapes are _____.
Seedless bananas and grapes are triploids.
Which of the following is a schizocarp fruit?
Schizocarp – carrot seed
Flowers which do not open at all are known as ____.
Cleistogamous flowers do not open at all, e.g., common pansy.
Which of the following fruits is an example of true berry?
Blueberry, Blackcurrant, Redcurrant, Gooseberry, Tomato, Eggplant, Guava, Lucuma, Chili are examples of true berry.
This residual, persistent nucellus in some seeds is known as ___________.
In some seeds such as black pepper and beet, remnants of nucellus are also persistent. This residual, persistent nucellus is the perisperm.
An achene-like fruit derived from the individual florets in a capitulum is known as __________.
Cypsela - An achene-like fruit derived from the individual florets in a capitulum (e.g. dandelion).
Transfer of pollen grains from anther to the stigma of a different plant is known as which of the following type of pollination?
Xenogamy: Transfer of pollen grains from anther to the stigma of a different plant.
The innermost wall layer of microsporangium is known as __________.
Microsporangium is generally surrounded by four wall layers, the epidermis, endothecium, middle layers and the tapetum (from outer to inner surface). The innermost wall layer is the tapetum.
The white kernel of a tender coconut is ________.
The white kernel of a tender coconut is cellular endosperm.
Which of the following living organisms is known as ‘the Terror of Bengal'?
The aquatic plant ‘water hyacinth’ is one of the most invasive weeds found growing wherever there is standing water. It drains oxygen from the water, which leads to death of fishes.
Which of the following vegetative propagules in angiosperms is incorrectly matched?
Offset of water hyacinth, Rhizome of ginger and banana. Offset of water hyacinth, Rhizome of ginger and banana.