List of practice Questions

For the reaction  \(C_2H_5OH(l)+3O_2(g)→ 2CO_2(g)+3H_2O(l)\) which one is true:

At \(27ºC\) latent heat of fusion of a compound is \(2930\  J/mol\). Entropy change is:

The locus of the centre of the circle \(x^2 + y^2 + 4x \,\cos \,\theta - 2y\, sin \theta - 10 = 0\) is

If the normal at one end of a latus-rectum of an ellipse $\frac{x^2}{a^2}+\frac{y^2}{b^2}=1$ passes through one extremity of the minor axis, then the eccentricity of the ellipse is given by the equation

In Drosophila the XXY condition leads to femaleness whereas in human beings the same condition leads to Klinefelter's syndrome in male. It proves:

Extranuclear DNA is found in

Most of the mutations are

Irregularity is found in drosophila during the organ differentiation for example-inplace of wing, long legs are formed. Which gene is responsible for:

Similarity in DNA and RNA:

Length of one loop of B-DNA:

Which of the following is initiation codon:

Genes for cytoplasmic male sterility in plants are generally located in:

Froth floatation process is used for the concentration of

Radio waves and visible light in vacuum have

The resistance of an ideal ammeter is

A certain aqueous solution of $FeCl _{3}$ [formula mass $=162]$ has a density of $1.1 g / mL$ and contains $20.0 \% FeCl _{3} .$ Molar concentration of this solution is

Bone related with skull is:

The movement of ions against the concentration gradient will be:

Which cell organelle is concerned with glycosylation of protein:

Function of telomeres in nucleus:

Which of the following ribosomes are engaged in protein synthesis in animal cell:

Aquatic fern is used to increase the yield in paddy crop:

Which of the following is used to manufacture ethanol from starch:

Homo sapiens have evolved in: