What chemical is used to know the presence of starch in leaves?
A) Methylated spirit
B) Iodine
C) Methylated spirit, Iodine
D) Methylene blue
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The writer has used a phrase ‘Thudding Heart’ which means pounding, or beating of heart, Do you know
1. Crackling 2. Rustling 3. Dragging
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`{:("Column" (I) , "Column"(II)), ((a) "Presence of halogen" , P. HNO_(3)//AgNO_(3)), ((b) "Presence of sulphur" , Q. Na_(2)[Fe(CN)_(5)NO]) , ((c) "Pr
Correct Answer - (a) `to P " " (b) to Q ; " " (c) to S ; " " (d) to R `
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How many of the following statements are incorrect for parasites (A) Presence of un-necessary sense organs (B) Presence of adhesive organs & suckers (
Correct Answer - Two or 50% B and D are correct A and C are incorrect
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The latest technology that has been used to know the latitudes and longitudes of a place is:
(C) Google Earth
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The proper order of conducting experiment to test the starch in leaves.
Answer is (D) 1, 3, 4, 2
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Pyro chemical process means process which takes place in the presence of ……………..
Correct option is C) heat
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Find the value of α and β , if the division of x2010+αx2011+β by (x−1) leaves the remainder zero and by (x+1) leaves the remainder 4.
Please tell if my answer is correct or not.
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Find the value of α and β , if the division of x2010+αx2011+β by (x−1) leaves the remainder zero and by (x+1) leaves the remainder 4.
2 Answers
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Find the value of α and β , if the division of x2010+αx2011+β by (x−1) leaves the remainder zero and by (x+1) leaves the remainder 4.
2 Answers
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Chemical reactions which occur in presence of sunlight are called ………………. reactions. A) Thermal
C) Photo chemical
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