SawaalBoxसवाल बॉक्स
1996 · Q99Science & TechnologyBiologyeasy

Fat present below the skin surface in our body acts as a barrier against

  1. (a)loss of heat from the body
  2. (b)loss of essential body fluids
  3. (c)loss of salts from the body
  4. (d)entry of harmful micro-organisms from the environment
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Official answer(a) loss of heat from the body

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