MEDIUM
Earn 100
Draw the structure of dicot embryo and label the embryonal axis.
Important Questions on Sexual Reproduction in Flowering Plants
HARD
For given diagram, choose the correct labelling for ' ', ' and ' '.
EASY
Select the correct sequence of Embryogenius in Dicots ?
EASY
During post fertilization, the ovule changes into a/an _____.
MEDIUM
You are given castor and bean seeds. Which one of the two would you select to observe the endosperm?
HARD
Identify the correct statements among the following.
(A) Ability of the pistil to recognise the pollen is the result of a dialogue between pollen grain and pistil.
(B) Epicotyl has a shoot apex and a few leaf primordia enclosed in a hollow foliar structure coleoptile.
(C) Seed which germinates immediately after formation will be used as store food for next season.
(D) In coconut, the white kernel is cellular endosperm and liquid is the free nuclear endosperm.
EASY
The development of endosperm precedes that of embryo in plants. Justify.
EASY
How many meiotic and mitotic divisions are required for the formation of male gametophytes from a pollen mother cell?
HARD
With the help of a well labelled diagram, explain the different parts of a dicot embryo.
HARD
Describe in brief the embryo formation process in dicotyledonous angiosperm.
EASY
In apple, the chromosome number of gametes is . What is the chromosome number in its Primary Endosperm Nucleus (PEN)?
MEDIUM
Explain different types of endosperm with suitable diagrams.
EASY
Different parts of embryonic axis based on cotyledon position in a dicot embryo
MEDIUM
Explain the embryonic development in angiosperm plants. Draw a labelled diagram of the heart-shaped embryo.
MEDIUM
Draw L.S of an embryo of grass and label its parts.
EASY
Name the part of the flower which develops into the fruit after fertilization.
MEDIUM
The early stages of embryo development are similar in both dicots and monocots. However, mature embryos have differences. Write two major differences between dicot embryo and monocot embryo.
MEDIUM
What is megasporogenesis? Explain the development of eight nucleate embryosac in flowering plants.
EASY
The sequence of stages during embryogenesis of a dicotyledonous embryo.
MEDIUM
In the given diagram identify the parts labelled as a, b, c and d.
MEDIUM
Which one of the following statements regarding post-fertilization development in flowering plants is incorrect?
