EASY
AP EAPCET
IMPORTANT
Earn 100
Identify the labelled parts in the below diagram of transverse section of an Ovary ?
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Important Questions on Sexual Reproduction in Flowering Plants
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AP EAPCET
IMPORTANT
Integuments are absent in _______
MEDIUM
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IMPORTANT
Assertion Pollengrains are well preserved as fossils
Reason The exine of pollen grains is made up of sporopollenin, which can withstand high temperatures, strong acids and alkali.
MEDIUM
AP EAPCET
IMPORTANT
Arrange the correct order stages for monosporic development of female gametophyte in angiosperms.
I) Functional megaspore
II) Free nuclear divisions
III Embryo sac
IV) Linear tetrad of megaspore
V) Megaspore mother cell
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IMPORTANT
Arrangement of nuclei in normal dicot embryo sac is
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IMPORTANT
Out of the seven names given below, find out haploid cells?
(i) Antipodal cell
(ii) Egg cell
(iii) Synergid cell
(iv) Polar nuclei
(v) Male gamete
(vi) Nuclear cell
(vii) Chalazal cell
HARD
AP EAPCET
IMPORTANT
Mateh the following?
| Column - I | Column - II | Column - III | |||
| (a) | Epidermis | (i) | Multi nucleated | (p) | Protection |
| (b) | Endothecium | (ii) | Homogenous | (q) | Formation of Micropores |
| (c) | Tapetum | (iii) | One celled thick | (r) | dehiscence of anther |
| (d) | Sporogenous tissue | (iv) | Fibrous thickness | (s) | Nourishment |
MEDIUM
AP EAPCET
IMPORTANT
Assertion : Cleistogamous flowers produce assured seed set in the absence of pollinators
Reason : Cleistogamy is invariably an Autogamy
EASY
AP EAPCET
IMPORTANT
Select the incorrect statement related to outbreeding devices in plants.
