EASY
Earn 100

Mention the function of endosperm.

Important Questions on Sexual Reproduction in Flowering Plants

EASY

The plant parts which consist of two generations one within the other:

(a) Pollen grains inside the anther
(b) Germinated pollen grain with two male gametes
(c) Seed inside the fruit
(d) Embryo sac inside the ovule

MEDIUM
Explain the different types of endosperms in angiosperms.
MEDIUM

Match the following ovular structures with the post-fertilization structure and select the correct alternative:

  Column I   Column II
i. Nucellus a. Fruit
ii. Egg b. Endosperm
iii. Ovary c. Perisperm
iv. Secondary nucleus d. Embryo

 

EASY

If the diploid number of a flowering plant is $36,$ what would be the chromosome number in its endosperm?

MEDIUM
The triploid number of chromosomes of the first taxon is 10 times more than the haploid number of chromosomes of the second taxon, while the diploid number of the third taxon is 6 times than the haploid number of the fourth taxon. Which one of the following shows the ascending order of the number of chromosomes in their respective endosperm?
MEDIUM
The correct sequence of the arrangement of following parts in the mammary glands is
MEDIUM
Which of the following statements are correct for double fertilization in angiospermic plants:
(a) It is unique event to angiosperms
(b) The zygote develops into an embryo & the PEN develops into endosperm which provide nourishment to the seed.
(c) The synergids & antipodals degenerate after fertilisation
(d) During these event, the ovules develop into seed
 
MEDIUM
"The endosperm of angiosperm is different from gymnosperm". Do you agree. Justify your answer.
MEDIUM
Write a note on the development of endosperm. Mention the types with examples.
EASY
The outer covering of endosperm separates the embryo by a proteinaceous layer called
EASY

In which of the following plant, process of double fertilization takes place?

EASY
The double fertilisation is an event unique to angiosperms. The zygote develops into an____(i)____ & the PEN develops into___(ii)___ which provide nourishment to the developing embryo. During these events the ovule develop into ____(iii)____& the ovaries into____(iv)_____. In this question (i), (ii), (iii) & (iv) are respectively.
MEDIUM
In angiosperms correct statement is/are:
(A) Within ovule highly reduced female gametophytes is present termed as embryo sac.
(B) The embryo sac formation is preceded by meiosis.
(C) Each cells of an embryo sac is haploid.
MEDIUM
Explain various types of development of endosperm in angiosperm.