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Morphology Of Flowering Plants

Question
CBSEENBI11002078
Wired Faculty App

Among bitter gourd mustard, brinjal, pumpkin, China rose, lupin, cucumber, sunn hemp, gram, guava, bean, chilli, plum, Petunia, potato tomato, rose, With potato, onion, aloe and tulip, how many plants have hypogynous flower?

  • Six

  • Ten

  • Fifteen

  • Eighteen

Solution

C.

Fifteen

 

Flowers

 

Hypogynous

Perigynous

Epigynous

Gynoecium present above all the floral parts

Ovary is superior

Gynocecium present in the centre.

Other part almost at same level.

Ovary half inferior, e.g., Plum,rose

Ovary enclosed by thalamus and gets fused with it

Other parts above ovary

Ovary inferior e.g., Guava, cucumber.

Pulm, rose are perigynous and guava, cucumber are epigynous. So, total remaining plants are hypogynous.

Some More Questions From Morphology of Flowering Plants Chapter

Define the following terms:
(e) superior ovary

Define the following terms:
perigynous flower

Define the following terms:
epipetalous stamen

Define the following terms:

(a) Racemose and cymose inflorescence

Define the following terms:
(b) Fibrous root and adventitious root

Define the following terms:
(c) Apocarpous and syncarpous ovary

Draw the labelled diagram of the following:
(i) Gram seed     (ii)    V.S. of maize seed

Describe modifications of stem with suitable examples.

Take one flower each of the families Fabaceae and Solanaceae and write its semi-technical description. Also draw their floral diagram after studying them.

Describe the various types of placentations found in flowering plants.

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