Structure of a bisexual flower - class-X
Description: structure of a bisexual flower | |
Number of Questions: 49 | |
Created by: Vaibhav Pathak | |
Tags: life processes: reproduction, growth and development reproduction - the generating system plants: parts and functions structure and functions of living organisms -i reproduction in living organisms getting to know plants biology plants: structure and function the flower the life cycle of plants pollination |
Which plants bear petaloid bracts?
Plant honey is secreted by
Ebracteate flowers mainly found in
Claw is found in the petals of
A nectar-secreting gland cell characteristically contains
Glumes are modified
The perianth is the term used when
Which of the following is regarded as equivalent to perianth?
An inflorescence in which flowers arise from different points but reach the same level is called as
Assertion : Gibberellins induce flowering in long day plants.
Reason : Genetically tall plant become dwarf by application of Gibberellin.
From among the situations given, choose the one that prevents both autogamy and geitonogamy.
Read the following four statements (A-D).
(A) Flowers are the morphological and embryological marvel and the site of sexual reproduction.
(B) Anther are attached to the proximal end of the filament of stamen.
The perianth term is used when
The fleshy edible part of jackfruit is derived from
Nectary of Euphorbia is an example of
Staminal tube is found in
Edible part of apple is?
A flower devoid of sepals and petals/perianth is called
Male gametes are present in
Which of these is a bisexual flower?
Free lateral stipulate occur in
Stigma is sticky
A flower which contains both stamen and pistil is called as
Night blooming flowers are generally.
Lodicules are
What do the male and female gametophytes of flowering plants produce?
Hibiscus has unisexual flowers.
In $\underline{(i)}$ condition, both male and female flowers are borne on same plant; an example of such plants is $\underline{(ii)}$.
Which of these is a condition that makes flowers invariably autogamous?
Consider the following
1. Hydathode 2. Salt glands
3. Nectaries 4. Lenticels
Which of these are secretory structures?
Stamens represents the male flowers and pistil represents a female flowers in
Colour of Bougainvillea is due to
In Gramineae, the perianth is represented by small scaly lodicules, which are generally
Glumes represent
Autogamy can occur in a chasmogamous flower if.
Non-essential floral organs without differentiation of calyx and corolla are called ________.
Colour of Bougainvillea flower is due to colour of its ________.
Identify the wrong statement.
Individual members of perianth are called ________.
Perianth refers to
Structure equivalent to perianth is
Individual components of perianth are called ______.
Achalmydeous flower occurs in
Involucre is composed of
Read the statements carefully :
a) Flowers are morphological and embryological marvel and the site of sexual reproduction
b) The proximal end of the filament is attached to the thalamus or the petal of the flower
c) The number and length of stamens are variable in flowers of different species
d) stamen attached to the petal is epipetalous
How many above statements are correct
Bougainvillea flower is an example of
Perianth is bilabiate personate is
Climber plant with zygomoprhic flower and diadelphous stemen is
A flower with sepals, petals, stamens and carpels is said to be