1) Recombinant DNA technology (Genetic Engineering) allows genes to be transferred
  1. across different species of plants
  2. from animals to plants
  3. from microorganisms to higher organisms
Select the correct answer using the codes given below.
  1. 1 only
  2. 2 and 3 only
  3. 1 and 3 only
  4. 1, 2 and 3



2) With reference to the usefulness of the by-products of sugar industry, which of the following statements is / are correct?
  1. Bagasse can be used as biomass fuel for the generation of energy.
  2. Molasses can be used as one of the feed stocks for the production of synthetic chemical fertilizers.
  3. Molasses can be used for the production of ethanol.
Select the correct answer using the codes given below.
  1. 1 only
  2. 2 and 3 only
  3. 1 and 3 only
  4. 1, 2 and 3
  

3) Mycorrhizal biotechnology has been used in rehabilitating degraded sites because mycorrhiza enables the plants to
  1. resist drought and increase absorptive area
  2. tolerate extremes of PH
  3. Resist disease infestation
Select the correct answer using the codes given below:
  1. 1 only
  2. 2 and 3 only
  3. 1 and 3 only
  4. 1, 2 and 3