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Alder: Quiz


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More interesting facts on Alder

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Question 1: Alder is the common name of a genus of flowering plants (Alnus) belonging to the ________ family (Family Betulaceae).
Betula pendulaOakBeechBirch

Question 2:
What classis does Alder belong to?

Question 3:
What divisio is Alder a part of?

Question 4:
What kind of animal is a Alder?

Question 5: As a result of this mutually-beneficial relationship, alder improves the fertility of the ________ where it grows, and as a pioneer species, it helps provide additional nitrogen for the successional species which follow.
LandslideClaySoilWater well

Question 6: Alder is particularly noted for its important symbiotic relationship with Frankia alni, actinomycete filamentous nitrogen-fixing ________.
CorynebacteriumBacteriaGram-positive bacteriaGram-negative bacteria

Question 7: The bacterium absorbs ________ from the air and makes it available to the tree.

Question 8: The flowers are catkins with elongate male catkins on the same plant as shorter female catkins, often before leaves appear; they are mainly wind-pollinated, but also visited by ________ to a small extent.
CattleEsoxBeeHoney bee

Question 9: This bacterium is found in ________ which may be as large as a human fist, with many small lobes and light brown in appearance.
Root noduleNitrogen fixationRhizobiaActinorhizal plant

Question 10: The genus comprises about 30 species of monoecious trees and shrubs, few reaching large size, distributed throughout the North Temperate Zone and in the ________ also along the Andes southwards to Argentina.
South AmericaAmericasNorth AmericaAmericas (terminology)


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