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1999 · Q107Science & TechnologyBiologyeasy

Neem tree has acquired industrial importance as a source of

  1. (a)biopesticide and anti-fertility compound
  2. (b)anti-fertility compound, biofertilizer and anti-cancer drug
  3. (c)biofertilizer, biopesticide and anti-fertility compound
  4. (d)anti-cancer drug, biopesticide and biofertilizer
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Official answer(a) biopesticide and anti-fertility compound

2020 · Q47Science & TechnologyBiologyeasy

Which of the following statements are correct regarding the general difference between plant and animal cells ? 1. Plant cells have cellulose cell walls whilst animal cells do not. 2. Plant cells do not have plasma membrane unlike animal cells which do. 3. Mature plant cell has one large vacuole whilst animal cell has many small vacuoles. Select the correct answer using the code given below :

  1. (a)1 and 2 only
  2. (b)2 and 3 only
  3. (c)1 and 3 only
  4. (d)1, 2 and 3
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Official answer(c) 1 and 3 only