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2014 · Q22Science & TechnologyBiologyeasy

Lichens, which are capable of initiating ecological succession even on a bare rock, are actually a symbiotic association of

  1. (a)algae and bacteria
  2. (b)algae and fungi
  3. (c)bacteria and fungi
  4. (d)fungi and mosses
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Official answer(b) algae and fungi

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