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Which of the following floral features is not represented by symbols in the floral formula of a plant family?

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Important Questions on Morphology of Flowering Plants

MEDIUM
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IMPORTANT

Given figure represents position of floral parts on thalamus :-

(A) Question Image

(B)  Question Image

(C) Question Image

(D)  Question Image

Select correct examples for A,B,C  and D:-

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There are 25 flowers in an inflorescence of Allium. Each anther lobe of every stamen contains 60 pollen grains. What is the total number of pollen grains produced in its inflorescence?
MEDIUM
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Refer to the given figure and select the incorrect statement regarding this.

Question Image

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Given are some differences between an underground stem and a root. Select the option that identifies the incorrect pair of differences.
  Underground stem Root
(i) It is differentiated into nodes and internodes. It is not differentiated into nodes and internodes.
(ii) Scale leaves are present at the nodes. Scale leaves are absent in roots.
(iii) Axillary buds are present in the axil of scale leaves. Axillary buds are present at root tips.
(iv) Branches arise exogenously. Branches arise endogenously.
(v) Flowers and fruits are usually present. Flowers and fruits are absent.
(vi) These usually perform the function of food storage. These always perform the function of food storage.
MEDIUM
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Read the following matches regarding the placentation:
(i) Dianthus  - Free central
(ii) Cannabis- Marginal
(iii) Sunflower -Basal
(iv) Cucurbita -Axile
Which of these are correct?
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Read the given statements and select the correct ones.
(i) Root caps are present in prop roots.
(ii) Pneumatophores help to get oxygen for respiration.
(iii) Edible part of ginger is underground stem.
(iv) Hydrophytes usually possess a well-developed root system.
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In family Papilionaceae (Fabaceae), 5 petals form a unique association, In which 3 different elements participate, these are standard (vexillum), wings (alae) & keel (carina). What is the number of these elements
HARD
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Read the following matches:

 Family  Symmetry  Petals  (i) Solanaceae  Zygomorphic  5, poly-  (ii) Fabaceae  Zygomorphic  petalous 5, poly-  petalous  4, poly-  petalous  (iii) Brassicaceae Actinomorphic 

Which of these are correct?