Everyday Science Online Test With Answers

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Everyday Science Online Test

Sr. # Questions Answers Choice
1 Which of he following terms is not a category for biological classification?
Kingdom <br> Order <br> Phylum <br> Composition <br>
2 A group of cells that work together to perform a function id called what?
cell system <br> organ system <br> Organ <br> Tissue <br>
3 Biochemical origin of life was discovered by
Haidane <br> Muller <br> Oparin <br> Darwin <br>
4 When the earth was formed it had an atmosphere with:
Hydrogen, Oxygen and Nitrogen <br> Water vapour, Hydrogen and oxygen <br> Oxygen carbondioxide and nitrogen<br> water vapour, ammonia and methane <br>
5 The first sign of life made its appearance on the earth about:
1 million years ago <br> 500 million years ago <br> 1 billion or 100milllion year ago <br> 3 billion years ago <br>
6 Erythrocytes, leucocytes and platelets are collectively constituted nearly how much percent of the blood?
25 per cent <br> 35 per cent <br> 45 per cent <br> 65 per cent <br>
7 Red blood cells (RBC) are also known as:
Erythrocytes <br> Thrombocytes <br> Leucocytes <br> None of these <br>
8 Whit blood cells are also known as:
Leucocytes <br> Trombocytes <br> Erythrocytes <br> None of these <br>
9 Which type of cells has no nucleus?
Red blood cells <br> Nerve cells <br> White blood cells <br> None of these <br>
10 What is the smallest unit of life?
Cell <br> Atom <br> Virus <br> a &amp; b<br>
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