Calculate the degree of reduction for ethanol, where the degree of reduction of C=4, H=1, O=-2.

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#Question id: 12688

#General Aptitude

The perimeter of five squares are 24 cm, 32 cm, 40 cm, 76 cm and 80 cm respectively. The perimeter of another square equal in area to sum of the areas of these squares is :

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#Question id: 12689

#General Aptitude

The ratio of the area of a squareto that of the square drawn on its diagonal is :

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#Question id: 12690

#General Aptitude

From four corners of a square sheet of side 4 cm, four pieces,each in the shape of arc of a circle with radius 2 cm, are cut out.The area of the remaining portion is :

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#Question id: 12691

#General Aptitude

If the area of a rectangle be (x^2 +7x + 10) sq. cm, then one of the possible perimeter of it is

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#Question id: 12725

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Match the following

DNA form	Helix Direction	Number of bases per helix turn
1. B	a. Left Handed	i. 10
2.  A	b. Right Handed	ii. 12
3.  C	c. Left Handed	iii. 14
4. Z	d. Right Handed	iv. 9

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#Question id: 12726

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Name the forms of DNA which have been derived under laboratory conditions.