Recent questions tagged 129

The frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes was explained by :

asked Jul 8, 2019 by pady_1

1 answer

The angle at which the axes are to be rotated to remove the $xy$ term in the equation $x^2 + 2\sqrt{3}xy = y^2$ is :

asked Dec 19, 2018 by pady_1

0 answers

If the circle $x^2 +y^2 +2x -2y+4=0$ cuts the circle $x^2 +y^2 + 4x + 2fy+2=0$ orthogonally, then $f$ is equal to :

asked Dec 19, 2018 by pady_1

1 answer

$u = \cos^{-1} (\frac{x+y}{\sqrt{x} + \sqrt{y}})$, then $x \frac{\partial u}{\partial x} + y \frac{\partial u}{\partial y}$ is equal to :

asked Dec 19, 2018 by pady_1

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If the polar of a point on the circle $x^2+y^2=p^2$ with respect to the circle $x^2+y^2=q^2$ touches the circle $x^2+y^2=r^2$, then $p, q, r$ are in:

asked Dec 11, 2018 by pady_1

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Consider the following reactions at $1100^{\circ}C$ (I) $2C + O_2 \to 2CO, \; \; \; \; \Delta G^{\circ} = -460 \; k\;J\; mol^{-1}$ (II) $2Zn + O_2 \to 2ZnO, \; \; \; \; \Delta G^{\circ} = -360\; k\; J\; mol^{-1}$ Based on these, select correct alternate :

asked Dec 11, 2018 by pady_1

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The radionuclide $_{90}^{234} Th$ undergoes two successive $\beta$-decays followed by one-$\alpha$-decay. The atomic number and the mass number respectively of the resulting radionuclide are :

asked Dec 11, 2018 by pady_1

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If the expansion in power of $x$ of the function $\frac{1}{ (1-ax) (1-bx)}$ $a_{_0} + a_1x + a_2x^2 + a_3x^3 + ....,$ then $a_n$ is :

asked Nov 13, 2018 by pady_1

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In both DNA and RNA, heterocylic base and phosphate ester linkages are at :

asked Nov 5, 2018 by pady_1

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Consider the following nuclear reactions $^{238}_{92} M \to ^x_y N + ^4_2He$ $^x_y N \to ^A_B L + 2 \beta^+$ The number of neutrons in the elements L is

asked Nov 5, 2018 by pady_1

0 answers

Plants having little or no secondary growth are

asked Aug 21, 2018 by pady_1

1 answer

A decrease in blood pressure/volume will not cause the release of :

asked Aug 21, 2018 by pady_1

1 answer

The amino acid Tryptophan is the precursor for the synthesis of :

asked Aug 21, 2018 by pady_1

1 answer

A column of water within xylem vessels of tall trees does not break under its weight because of -

asked Aug 21, 2018 by pady_1

1 answer

Which vector can clone only a small fragment of DNA?

asked Aug 20, 2018 by pady_1

1 answer

The colonies of recombinant bacteria appear white in contrast to blue colonies of non-recombinant bacteria because of

asked Aug 20, 2018 by pady_1

1 answer

The correct sequence of cell organelles during photorespiration is

asked Aug 20, 2018 by pady_1

1 answer

Filiform apparatus is a characteristic feature of

asked Aug 16, 2018 by pady_1

1 answer

Breeding of crops with high levels of minerals, vitamins and proteins is called –

asked Jul 26, 2018 by pady_1

1 answer

Cotyledons and testa respectively are edible parts in -

asked Jul 26, 2018 by pady_1

1 answer

Which one of the following is being tried in India as a biofuel substitute for fossil fuels?

asked Jul 26, 2018 by pady_1

1 answer

Which of the following pairs are correctly matched ? <img src "= "/>

asked Jul 26, 2018 by pady_1

1 answer

What type of placentation is seen in sweet pea ?

asked Jul 25, 2018 by pady_1

1 answer

Which one of the following experiments suggests that simplest living organisms could not have originated spontaneously from non- living matter -

asked Jul 24, 2018 by pady_1

2 answers

Crossing over that results in genetic recombination in higher organisms occurs between :-

asked Jul 24, 2018 by pady_1

1 answer

Darwin in his 'Natural Selection Theory' did not believe in any role of which one of the following in organic evolution :

asked Jul 24, 2018 by pady_1

2 answers

In fluid mosaic model of plasma membrane

asked Jul 23, 2018 by pady_1

0 answers

Loading of phloem is related to : -

asked Jul 20, 2018 by pady_1

1 answer

What is the work of copper T :

asked Jul 20, 2018 by pady_1

1 answer

Which of the following stimulates the secretion of gastric juice :

asked Jun 15, 2018 by pady_1

1 answer

Aditya drove 54.924 kms to visit his grandmother. When he reached his grandmother's house he noticed the car had used up 3.98 litres of petrol. How many kilometers did he travel per litre of petrol?

asked Dec 31, 2015 by pady_1

0 answers

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The frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes was explained by :

The angle at which the axes are to be rotated to remove the $xy$ term in the equation $x^2 + 2\sqrt{3}xy = y^2$ is :

If the circle $x^2 +y^2 +2x -2y+4=0$ cuts the circle $x^2 +y^2 + 4x + 2fy+2=0$ orthogonally, then $f$ is equal to :

$u = \cos^{-1} (\frac{x+y}{\sqrt{x} + \sqrt{y}})$, then $x \frac{\partial u}{\partial x} + y \frac{\partial u}{\partial y}$ is equal to :

If the polar of a point on the circle $x^2+y^2=p^2$ with respect to the circle $x^2+y^2=q^2$ touches the circle $x^2+y^2=r^2$, then $p, q, r$ are in:

Consider the following reactions at $1100^{\circ}C$ <br> (I) $2C + O_2 \to 2CO, \; \; \; \; \Delta G^{\circ} = -460 \; k\;J\; mol^{-1}$ <br> (II) $2Zn + O_2 \to 2ZnO, \; \; \; \; \Delta G^{\circ} = -360\; k\; J\; mol^{-1}$ <br> Based on these, select correct alternate :

The radionuclide $_{90}^{234} Th$ undergoes two successive $\beta$-decays followed by one-$\alpha$-decay. The atomic number and the mass number respectively of the resulting radionuclide are :

If the expansion in power of $x$ of the function $\frac{1}{ (1-ax) (1-bx)}$ <br> $a_{_0} + a_1x + a_2x^2 + a_3x^3 + ....,$ then $a_n$ is :

In both DNA and RNA, heterocylic base and phosphate ester linkages are at :

Consider the following nuclear reactions <br> $^{238}_{92} M \to ^x_y N + ^4_2He$ <br> $^x_y N \to ^A_B L + 2 \beta^+$ <br> The number of neutrons in the elements L is

Plants having little or no secondary growth are

A decrease in blood pressure/volume will not cause the release of :

The amino acid Tryptophan is the precursor for the synthesis of :

A column of water within xylem vessels of tall trees does not break under its weight because of -

Which vector can clone only a small fragment of DNA?

The colonies of recombinant bacteria appear white in contrast to blue colonies of non-recombinant bacteria because of

The correct sequence of cell organelles during photorespiration is

Filiform apparatus is a characteristic feature of

Breeding of crops with high levels of minerals, vitamins and proteins is called –

Cotyledons and testa respectively are edible parts in -

Which one of the following is being tried in India as a biofuel substitute for fossil fuels?

Which of the following pairs are correctly matched ? <br> <img src "= "/>

What type of placentation is seen in sweet pea ?

Which one of the following experiments suggests that simplest living organisms could not have originated spontaneously from non- living matter -

Crossing over that results in genetic recombination in higher organisms occurs between :-

Darwin in his 'Natural Selection Theory' did not believe in any role of which one of the following in organic evolution :

In fluid mosaic model of plasma membrane

Loading of phloem is related to : -

What is the work of copper T :

Which of the following stimulates the secretion of gastric juice :

Aditya drove 54.924 kms to visit his grandmother. When he reached his grandmother's house he noticed the car had used up 3.98 litres of petrol. How many kilometers did he travel per litre of petrol?