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Biology Chapter 1 Adaptations in Flowers and Pollen Tube Entry

10 Questions

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Biology Chapter 1 Adaptations in Flowers and Pollen Tube Entry

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Questions and Answers

What is a notable characteristic of anemophilous flowers?

Adaptations for wind pollination (correct)

Showy petals and strong fragrance

Brightly colored petals and sweet nectar

Attractive to bees and butterflies

What is the significance of double fertilization in plants?

Ensures genetic diversity within the species (correct)

Prevents self-pollination

Triggers fruit ripening

Aids in seed dispersal

What type of flowers are adapted to pollination by water?

Self-pollinating flowers

Hydrophilous flowers (correct)

Insect-pollinated flowers

Anemophilous flowers

Which process involves fruit formation without fertilization?

Parthenocarpy Signup and view all the answers

What are albuminous seeds known for, compared to exalbuminous seeds?

Presence of reserve proteins Signup and view all the answers

Which part of the gynoecium determines the compatibility of pollen grains?

Outer integument Signup and view all the answers

Identify label A and B in the figure provided in the text. Explain the development of these structures.

A: Nucellus, B: Embryo; They develop through a process involving multiple stages. Signup and view all the answers

What is the artificial method of vegetative propagation called cutting?

A method involving separation of stem or root pieces Signup and view all the answers

Define pollination in plants.

The process of pollen transfer from anther to stigma Signup and view all the answers

What are outbreeding devices in angiospermic plants?

Mechanisms that encourage cross-pollination Signup and view all the answers