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Which of the following is not isostructural with
The cell wall of the diatom is made up of:
A freshly prepared radioactive source of half-life 2 hours emits radiation of intensity which is 64 times the permissible safe level. The minimum time after which it would be possible to work safely with this source is:
Liebig's method is used for the estimation of
Which of the following is a secondary pollutant?
In vitro synthesis of DNA was carried out by:
Two identical charges (Q each) are separated by a certain distance. A third charge q is placed on the line joining the two charges, such that all the three charges are in equilibrium. What is the magnitude of the third charge?
When a substance A reacts with water it produces a combustible gas B and a solution of substance C in water. When another substance D reacts with this solution of C, it also produces the same gas B on warming but D can also produce gas B on reaction with dilute sulphuric acid at room temperature. A imparts a deep golden yellow colour to a smokeless flame of Bunsen burner. A,B,C and D, respectively are:
Which of the following is correct about the blastocyst?
Which of the following statements is not true about the primary plant growth?
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Un-answered - 10