EASY
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IMPORTANT
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In which of the following plants, pollen is released before the stigma becomes receptive in the same flower?

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Important Questions on Sexual Reproduction in Flowering Plants

MEDIUM
TS EAMCET
IMPORTANT
Identify the pair of wrong statements in the following.
MEDIUM
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IMPORTANT

Study the following lists:

  List-I   List-II
(A) BOD (i) Treatment of sewage
(B) KVIC (ii) Measure of organic matter in water
(C) LAB (iii) Biological methods for controlling plant diseases
(D) STPs (iv) Increases vitamin B12
    (v) Production of Biogas

The correct match is:

MEDIUM
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IMPORTANT

Entry of pollen tube into the ovule through chalaza was first discovered by Treub in a xerophyte. This plant is associated with a pair of characters given below

(I) Unisexual flowers

(II) Sessile flowers

(III) Centripetal arrangement of flowers

(IV) Bisexual flowers

MEDIUM
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IMPORTANT
The correct condition among the following with reference to sexual reproduction in Rhizopus stolonifer is
MEDIUM
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IMPORTANT
Identify the correct sequence of plants in the order of characters given below:
(a) Ovules borne along the ventral suture of unilocular ovary
(b) Ovules develop all around the inner surface of the septa in a-multilocular ovary
(c) Ovules borne on the inner walls of ovary or on the intrusions of the wall that form incomplete partitions or false septa within the ovary
HARD
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IMPORTANT
A student observed four plants (A, B, C, D) . The number of stamens in a flower of 'A' is equal to those of a flower of B'. Out of the ten stamens arranged in two bundles in a flower of 'C' the stamen number in the bundle which possesses most of the stamens is three times to that of inner whorl of a flower of A'; In 'D' the number of stamens is equal to those present in the inner whorl of plant 'B'. Identify A, B, C and D plants respectively.
 
EASY
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IMPORTANT
Which of the following character is not associated with a plant having a single cotyledon in a seed, tendrillar stipules and adventitious root system?