EASY
NEET
IMPORTANT
Earn 100
A typical angiospermous ovule is attached to the placenta by means of a stalk called X. Body of the ovule fuses with X in the region called Y. Identify X and Y.
X
y
(i)
Funicle
Hilum
(ii)
Hilum
Funicle
(iii)
Funicle
Micropyle
(iv)
Hilum
Chalaza
77.78% studentsanswered this correctly
Important Questions on Sexual Reproduction in Flowering Plants
MEDIUM
NEET
IMPORTANT
Identify the parts labelled A, B, C and D in the given figure and select the correct option.
MEDIUM
NEET
IMPORTANT
Match Column I with Column II and select the correct option from the given codes.
| Column I | Column II | ||
|---|---|---|---|
| Funicle | Mass of parenchymatous cells | ||
| Hilum | Basal part of ovule | ||
| Integument | one of two protective layers of ovule | ||
| Chalaza | Region where body of ovule fuses with funicle | ||
| Nucellus | Stalk of ovule |
MEDIUM
NEET
IMPORTANT
Mature ovules are classified on the basis of funiculus. If micropyle comes to lie close to the funiculus, what is the ovule termed as?
MEDIUM
NEET
IMPORTANT
When micropyle, chalaza and hilum lie in a straight line, the ovule is said to be -----------------------.
HARD
NEET
IMPORTANT
Select the correct option regarding the ploidy level of different structures of an angiospermous ovule.
| Nucellus | MMC | Functional megaspore | |
|---|---|---|---|
| (i) | n | 2n | 2n |
| (ii) | 2n | n | n |
| (iii) | 2n | 2n | n |
| (iv) | n | 2n | n |
MEDIUM
NEET
IMPORTANT
Which of the following statements is not correct?
EASY
NEET
IMPORTANT
The filiform apparatus is present in
MEDIUM
NEET
IMPORTANT
Identify the parts labelled A, B, C and D in the given figure and select the correct option.
