Pollination Biology Ent 104 Johnson Outline Overview

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Questions and Answers

Which type of plants have male and female flowers on the same plant?

  • Self-infertile
  • Monoecious (correct)
  • Dieocious
  • Self-fertile

Which of the following is NOT a common crop pollinated by bees?

  • Cotton (correct)
  • Onions
  • Pumpkin
  • Strawberries

What is the primary role of honey bees in industrial agriculture?

  • Pollinating crops (correct)
  • Providing animal feed
  • Managing agricultural landscapes
  • Protecting crops from pests

Which type of plants need animal vectors for reproduction?

<p>Angiosperms (D)</p> Signup and view all the answers

What is the approximate number of U.S. crops that are partially dependent on bees?

<p>100 (C)</p> Signup and view all the answers

Which of the following is a characteristic of self-fertile cultivars?

<p>Capable of self-pollination (D)</p> Signup and view all the answers

What is one of the complications mentioned in the text regarding flower morphology?

<p>Flowers vary widely in nectar concentrations (C)</p> Signup and view all the answers

How does heavy pesticide use affect nesting sites for native pollinators?

<p>Reduces nesting sites due to soil manipulation (A)</p> Signup and view all the answers

What benefit does cross-pollination provide for self-fertile highbush blueberries?

<p>Increased fruit size and market value (B)</p> Signup and view all the answers

Why can monoculture increase pollination demands beyond natural capacities?

<p>Monoculture creates unnatural demands on pollinators (B)</p> Signup and view all the answers

What is a consequence of a poor diet caused by limited pollen sources?

<p>Poor attraction to crops (A)</p> Signup and view all the answers

How does low plant diversity impact the demand for pollinators?

<p>Increases the demand for pollinators due to varied plant types (A)</p> Signup and view all the answers

Why are bumble bees preferred for pollinating certain crops like tomatoes and eggplants?

<p>They do buzz pollination, which is required for certain flowers. (C)</p> Signup and view all the answers

What is a challenge in using solitary bees as managed pollinators?

<p>It is difficult to rear them in large numbers. (B)</p> Signup and view all the answers

Why do honey bees often avoid pollinating alfalfa flowers effectively?

<p>They learn to avoid the flower's tripping mechanism. (B)</p> Signup and view all the answers

What distinguishes the behavior of ground nesting bees like the Alkali bee from honey bees in orchards?

<p>Ground nesting bees deposit mud in orchard rows, unlike honey bees. (D)</p> Signup and view all the answers

What is a distinguishing feature of Leaf Cutter Bees that makes them easy to use as managed pollinators?

<p>They come as free cells and can be set up in enclosures near crops. (B)</p> Signup and view all the answers

Why were tomatoes in greenhouses mechanically pollinated before the commercial rearing of bumble bees?

<p>Honey bees were not effective pollinators for greenhouse tomatoes. (C)</p> Signup and view all the answers

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