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NCERT solutions Biology Textbook for Class 11 chapter 5 Morphology of Flowering Plants

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Chapter 5 - Morphology of Flowering Plants

Pages 82 - 83

What is meant by modification of root? What type of modification of root is found in the

(a) Banyan tree

(b) Turnip

(c) Mangrove trees

Q 1 | Page 82 |

Justify the following statements on the basis of external features

Underground parts of a plant are not always roots

Q 2.1 | Page 82 |

Justify the following statements on the basis of external features

Flower is a modified shoot

Q 2.2 | Page 82 |

How is pinnately compound leaf different from palmately compound leaf?

Q 3 | Page 82 |

Explain with suitable examples the different types of phyllotaxy?

Q 4 | Page 82 |

Define the following terms Aestivation

Q 5.1 | Page 83 |

Define the following terms Placentation

Q 5.2 | Page 83 |

Define the following terms: Actinomorphic

Q 5.3 | Page 83 |

Define the following terms: Zygomorphic

Q 5.4 | Page 83 |

Define the following terms: Superior ovary

Q 5.5 | Page 83 |

Define the following terms: Perigynous flower

Q 5.6 | Page 83 |

Define the following terms: Epipetalous Stamen

Q 5.7 | Page 83 |

 Differences between racemose and cymose inflorescence

Q 6.1 | Page 83 |

Differentiate between Fibrous root and adventitious root

Q 6.2 | Page 83 |

Differentiate between Apocarpous and syncarpous ovary

Q 6.3 | Page 83 |

Draw the labelled diagram of the following: Gram seed

Q 7.1 | Page 83 |

Draw the labelled diagram of the following: V.S. of maize seed

Q 7.2 | Page 83 |

Describe modifications of stem with suitable examples

Q 8 | Page 83 |

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

Q 9 | Page 83 |

Describe the various types of placentations found in flowering plants

Q 10 | Page 83 |

What is a flower?

Q 11.1 | Page 83 |

Describe the parts of a typical angiosperm flower?

Q 11.2 | Page 83 |

How do the various leaf modifications help plants?

Q 12 | Page 83 |

Define the term inflorescence. Explain the basis for the different types inflorescence in flowering plants.

Q 13 | Page 83 |

Write the floral formula of an actinomorphic bisexual, hypogynous flower with five united sepals, five free petals. Five free stamens and two united carpals with superior ovary and axile placentation.

Q 14 | Page 83 |

Describe the arrangement of floral members in relation to their insertion on thalamus?

Q 15 | Page 83 |

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