SawaalBoxसवाल बॉक्स
2008 · Q36Science & TechnologyBiologyeasy

What is the pH level of blood of a normal person?

  1. (a)4·5 – 4·6
  2. (b)6·45 – 6·55
  3. (c)7·35 – 7·45
  4. (d)8·25 – 8·35
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Official answer(c) 7·35 – 7·45

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