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asliceofwonder asliceofwonder
wrote...
Posts: 348
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6 years ago
Identify the advantages as relating to either sexual propagation or asexual propagation.
 
 

a. sexual b. asexual
  14. Less expensive
  15. Many plants can be produced quickly
  16. Plants are genetically identical
  17. Avoids passing on some diseases
  18. Less time is required to produce a salable plant
  19. Crosses result in hybrid vigor
  20. The only way to reproduce some plant varieties



Question 2

Inhalation toxicity is measured in LD.
 
  Indicate whether the statement is true or false

Question 3

A process that first heats and then cools milk to kill any harmful organisms is called _____.
 
  A) pasteurization
  B) homogenization
  C) grading
  D) fermentation

Question 4

Chemicals such as organophosphates are absorbed rapidly through the skin.
 
  Indicate whether the statement is true or false

Question 5

Match the following layering definitions:
 
 

a. Stem is girdled with two cuts 1 inch apart; bark is removed; wound is dusted with rooting
  hormone and damp sphagnum moss is put around it, then plastic around moss and tied at
  both ends.
  b. Stem is bent to the ground and covered with medium; last 6 to 10 inches of stem are left
  exposed
  c. Tip of shoot is placed in hole in medium, which grows downward, then turns upward;
  roots form at bend
  11. simple layering
  12. tip layering
  13. air layering



Question 6

Colostrum is milk that is _____.
 
  A) only suited for cheese
  B) old and unusable
  C) high in antibodies
  D) high in toxins
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Replies
wrote...
6 years ago
Answer to #1

14. ANS: A PTS: 1
15. ANS: A PTS: 1
16. ANS: B PTS: 1
17. ANS: A PTS: 1
18. ANS: B PTS: 1
19. ANS: A PTS: 1
20. ANS: B PTS: 1



Answer to #2

False

Answer to #3

A

Answer to #4

True

Answer to #5

11. ANS: B PTS: 1
12. ANS: C PTS: 1
13. ANS: A PTS: 1



Answer to #6

C
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