Biology 11 Chapter 2
Biological Molecules - 1


Biology Class 11
1.    About 4 billion years ago the Earth’s surface was covered with?




Biology Class 11
2.    About 4 billion years ago the atmosphere consisted of?




Biology Class 11
3.    What was bombarding the planet about 4 billion years ago?





Biology Class 11
4.    About 4 billion years ago what caused the first carbon based molecules to form?




Biology Class 11
5.    Biochemistry is the science concerned with the various molecules that occur in?




Biology Class 11
6.    Biochemistry can be defined more formally as the science concerned with the?




Biology Class 11
7.    Biochemistry has become the basic language of all biological sciences because?




Biology Class 11
8.    It is concerned with the entire spectrum of life, from relatively simple viruses and bacteria to complete human beings?




Biology Class 11
9.    Which of following are intimately related?




Biology Class 11
10.    Life is dependent on carbon based?


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