Recent questions tagged 108

A gene locus has two alleles A, a. If the frequency of dominant allele A is 0.4 then what will be the frequency of homozygous dominant, heterozygous and homozygous recessive individuals in the population ?

asked Jul 8, 2019 by pady_1

2 answers

The term independent of $x$ in the expansion of $(2x^2 - \frac{3}{x^3})^{15}$, is :

asked Dec 19, 2018 by pady_1

0 answers

In a $\Delta ABC, \; r \begin{bmatrix} \cot \frac{B}{2} + \cot \frac{C}{2} \end{bmatrix}$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

If $(1,2)$ is a limiting point of a co-axial system of circles containing the circle $x^2 + y^2 + x - 5y + 9 =0$, then the equation of radical axis is :

asked Dec 19, 2018 by pady_1

1 answer

The probabiliy that a number selected at random from the set of numbers $(1, 2, 3, ...., 100)$ is a cube, is :

asked Dec 11, 2018 by pady_1

0 answers

Hybridisation of the underline atom changes in :

asked Dec 11, 2018 by pady_1

0 answers

If at 298 K the bond energies of $C-H$, $C-C$, $C=C$ and $H-H$ bonds are respectively $414, \; 347, \; 615$ and $435 \; k \; J \; mol^{-1}$, the value of enthalpy change for the reaction <br> $H_2C = CH_2(g) + H_2(g) \to H_3C - CH_3 (g)$ at 298 K will be :

asked Dec 11, 2018 by pady_1

0 answers

Which of the following nuclear reactions will generate an isotope ?

asked Nov 29, 2018 by pady_1

0 answers

<br> The electrophile involved in the above reaction is :

asked Nov 13, 2018 by pady_1

0 answers

The disperse phase in colloidal iron (III) hydroxide and colloidal gold is positively and negatively charged, respectively. Which of the following statements is not correct ?

asked Nov 5, 2018 by pady_1

1 answer

The molar solubility products is $K_{sp}$. 's' is given in terms of $K_{sp}$ by the relation

asked Nov 5, 2018 by pady_1

1 answer

Stomata in grass leaf are

asked Aug 21, 2018 by pady_1

1 answer

Which among these is the correct combination of aquatic mammals ?

asked Aug 21, 2018 by pady_1

1 answer

Which of the following is a restriction endonuclease ?

asked Aug 21, 2018 by pady_1

1 answer

The chitinous exoskeleton of arthropods is formed by the polymerization of :

asked Aug 21, 2018 by pady_1

1 answer

Dr F. Went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly- cut coleoptile stumps. Of what significance is this experiment ?

asked Aug 20, 2018 by pady_1

1 answer

The three boxes in this diagram represent the three major biosynthetic pathways in aerobic respiration. Arrows represent net reactants or products <br> <br> Arrows numbered 4, 8 and 12 can all be

asked Aug 20, 2018 by pady_1

1 answer

During gamete formation, the enzyme recombinase participates during

asked Aug 20, 2018 by pady_1

1 answer

Peptide synthesis inside a cell takes place in :

asked Aug 16, 2018 by pady_1

1 answer

Which one of the following cannot be explained on the basis of Mendel's Law of Dominance?

asked Jul 26, 2018 by pady_1

1 answer

Which one of the following pairs of animals comprises 'Jawless fishes' ?

asked Jul 26, 2018 by pady_1

2 answers

Unisexuality of flowers prevents:

asked Jul 26, 2018 by pady_1

1 answer

If the mean and the median pertaining to a certain character of a population are of the same value, the following is most likely to occur :

asked Jul 26, 2018 by pady_1

1 answer

Which one of the following statements is correct ?

asked Jul 25, 2018 by pady_1

1 answer

Which one of the following pairs in mismatched-

asked Jul 24, 2018 by pady_1

1 answer

In transgenics expression of transgene in target tissue is determined by :-

asked Jul 24, 2018 by pady_1

2 answers

During prolonged fasting, in what sequence are the following organic compounds used up by the body : -

asked Jul 24, 2018 by pady_1

1 answer

Which of the following is important for speciation : -

asked Jul 23, 2018 by pady_1

0 answers

Ratio of complementry genes is : -

asked Jul 20, 2018 by pady_1

2 answers

According to mendelism which character is showing dominance :

asked Jul 20, 2018 by pady_1

2 answers

DNA of E.Coli :

asked Jun 15, 2018 by pady_1

1 answer

Convert 1.5 to fraction.

asked Dec 31, 2015 by pady_1

0 answers

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