Home
Class 12
BIOLOGY
About 98 percent of the mass of every li...

About 98 percent of the mass of every living organism is composed of just six elements including carbon, hydrogen, nitrogen, oxygen and

A

phosphorus and sulphur

B

sulphur ad magnesium

C

magnesium and sodium

D

calcium and phosphorus

Text Solution

Verified by Experts

The correct Answer is:
A
About 98% of the mass of every living organism including bacterium and human beings is composed of just six elements, i.e., carbon (C), hydrogen (H), nitrogen (N), oxygen (O), phosphorus (P) and sulphur (S).
Promotional Banner

Topper's Solved these Questions

  • MINERAL NUTRITION

    ARIHANT NEET|Exercise Chapter Exercises (B) Taking it together (Medical entrances special format questions) Assertion And Reason|8 Videos

  • MICROBES IN HUMAN WELFARE

    ARIHANT NEET|Exercise Chapter exercises C ( Medical entrances gallery )|28 Videos

  • MONERA

    ARIHANT NEET|Exercise Chapter exercises Medical entrances gallery (Collection of questions asked in NEET & various medical entrance exams)|47 Videos

Similar Questions

Explore conceptually related problems

About 98 percent of the mass of every living organisms is composed of just six elements including carbon, hydrogen, nitrogen, oxygen and

about 98 percent of the mass of every living organism is composed of just six element including carbon , hydrogen nitrogen oxygen and :

About 98 percent of the mass of every living organism is composed fo just six elements including carbon, hydrogen , nitroge , oxygen and

98% of living organism is formed of six elements-carbon , hydrogen , nitrogen , oxygen and

98% of all living organisms is made up of just following number of elements.

Adenine is a substituted form of a heterocyclic nitrogenous base Purine. Adenine is found in both polymers DNA and RNA . Adenine is composed of the elements carbon, hydrogen and nitrogen and has molecular mass of 13.5 amu . Upon analysis, it was found that the ratio of % (by w.t. ) of carbon to that of total % (by wt ) of hydrgoen and nitrogen was found to be 4:5 respectively. The ratio of number of N atoms to hydrogen atoms is 1 : 1 . Now, answer the following questions: In one molecule of adenine :

Adenine is a substituted form of a heterocyclic nitrogenous base Purine. Adenine is found in both polymers DNA and RNA . Adenine is composed of the elements carbon, hydrogen and nitrogen and has molecular mass of 13.5 amu . Upon analysis, it was found that the ratio of % (by w.t. ) of carbon to that of total % (by wt ) of hydrgoen and nitrogen was found to be 4:5 respectively. The ratio of number of N atoms to hydrogen atoms is 1 : 1 . Now, answer the following questions: The amount of glucose (C_(6)H_(12)O_(6)) obtained when all the carbon in 36 mg of adenine is converted into glucose is :

ARIHANT NEET-MINERAL NUTRITION-Chapter Exercises (C) Medical Entrances gallery (Collection of questions asked in NEET & Various Medical Entrance Exams)
  1. Which of the following is a bacterium involvedin denitrification?

    Text Solution

    |

  2. The minerals involved in waer splitting reaction during photosynthesis...

    Text Solution

    |

  3. Necrosis, or death of tissue particularly leaf tissue, is due to the d...

    Text Solution

    |

  4. Manganese is required in

    Text Solution

    |

  5. Insectivorous plants live in a soil that is usually deficient in

    Text Solution

    |

  6. The enzyme responsible for the reduction of molecular nitrogen to the ...

    Text Solution

    |

  7. Which one depicts nitrogen-fixation?

    Text Solution

    |

  8. Plant having nitrogen fixing bacteria is

    Text Solution

    |

  9. Bacterium, which reduces nitrates in soil to nitrogen is

    Text Solution

    |

  10. Which one of the following plant functions as symbiotic nitrogen-fixin...

    Text Solution

    |

  11. A free-living nitrogen-fixing cyanobacterium which can also form symbi...

    Text Solution

    |

  12. Nitrifying bacteria are able to

    Text Solution

    |

  13. About 98 percent of the mass of every living organism is composed of j...

    Text Solution

    |

  14. On the basis of symptoms of chlorosis in leaves, a student inferred th...

    Text Solution

    |

  15. Zn, Mo, Fe, Cu are

    Text Solution

    |

  16. Nitrite is converted to nitrate by

    Text Solution

    |

  17. Who proved for the first time that the plants contain a large number o...

    Text Solution

    |

  18. Hydroponics is a system of growing plants in

    Text Solution

    |

  19. Grey spots of oat are caused by the deficiency of

    Text Solution

    |

  20. The major portion of the dry weight of plants comprised of

    Text Solution

    |