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Recent questions tagged 185

A and B are mutually exclusive events with $P(A) = \frac{1}{2} P(B)$ and $A \cup B = S$ the sample space, then $P(A)$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

If $y = sin (7 \sin^{-1} x)$, then $(1-x^2) y_2 - xy_1$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

If $\sin \alpha + \sin \beta = a, \; \cos \alpha + \cos \beta = b$, then $\sin (\alpha + \beta) \cos^2 (\frac{\alpha - \beta}{2})$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

A square matrix $[a_{ij}]$ in which $a_{ij} =0$ for $i \neq j$ and $a_{ij}=k$ (constant) for $i=j$ is called a:

asked Dec 11, 2018 by pady_1

0 answers

A parallelopiped is formed by planes drawn through the points (2, 3, 5) and (5, 9, 7) parallel to the co-ordinate planes. The length of a diagonal to the parallelopiped is :

asked Dec 11, 2018 by pady_1

0 answers

If $f(y) = e^y,\; g(y) = y; \; y>0$ and $F(t) = \int^t_0 f(t-y) \;g(y) \;dy$, then :

asked Dec 11, 2018 by pady_1

0 answers

A radiation of energy E falls normally on a perfectly reflecting surface. The momentum transferred to the surface is

asked Nov 5, 2018 by pady_1

0 answers

What is the figure given below showing in particular ? <br>

asked Aug 20, 2018 by pady_1

1 answer

If for some reason, the vasa efferentia in the human reproductive system get blocked, the gametes will not be transported from :

asked Aug 16, 2018 by pady_1

2 answers

Satellite DNA is useful tool in –

asked Jul 26, 2018 by pady_1

1 answer

A health disorder that results from the deficiency of thyroxine in adults and characterized by (i) a low metabolic rate (ii) increase in body weight and (iii) tendency to retain water in tissues is :

asked Jul 26, 2018 by pady_1

2 answers

Which one of the following is the correct statement regarding the particular psychotropic drug specified?

asked Jul 26, 2018 by pady_1

1 answer

In pea plants, yellow seeds are dominant to green. If a heterozygous yellow seeded plant is crossed with a green seeded plant, what ratio of yellow and green seeded plants would you expect in $F_1$ generation ?

asked Jul 26, 2018 by pady_1

1 answer

Which hormone causes dilation of blood vessels, increased oxygen consumption an glucogenesis ?

asked Jul 25, 2018 by pady_1

0 answers

A women with 47 chromosomes due to three copies of chromosome 21 is characterized by -

asked Jul 24, 2018 by pady_1

1 answer

In which of the following pairs is the specific characteristic of a soil not correctly matched :-

asked Jul 24, 2018 by pady_1

1 answer

Which one of the following is categorised under living fossils : -

asked Jul 24, 2018 by pady_1

1 answer

A plant of $F_1$-generation with genotype "AABbCC". On selfing of this plant what is the phenotypic ratio in F2-generation : -

asked Jul 23, 2018 by pady_1

2 answers

A mutant strain of $T_4$ – Bacteriophage, R-II, fails to lyse the E-Coli but when two strains $R-II^X$ and $R-II^Y$ are mixed then they lyse the E.Coli. What may be the possible reason : -

asked Jul 20, 2018 by pady_1

2 answers

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

asked Jul 20, 2018 by pady_1

1 answer

Growth of leaf primordia :

asked Jun 15, 2018 by pady_1

1 answer

81.6 $\div$ 1000

asked Dec 31, 2015 by pady_1

0 answers

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