Class IX

Forests can be not be conserved if
  1. timber trees are cut down worldwide
  2. timber trees are cut down selectively
  3. if rate of plantation exceeds rate of cutting trees
  4. new seedlings are planted and grown trees are cut
Examples of Corm include
  1. gloriosa
  2. Canna
  3. Lallang
  4. Ginger
Amino acids are joined to form
  1. proteins
  2. lipids
  3. unsaturated fats
  4. cytoplasm
Plumule refers to the
  1. developing shoot
  2. developing root
  3. developing leaves
  4. developing cotyledon
. Desertification is caused due to
  1. overgrazing
  2. topsoil is eroded
  3. rapid water evaporation from soil
  4. all of these
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