Recent questions tagged 136

In Antirrhinum (Snapdragon), a red flower was crossed with a white flower and in F1 generation, pink flowers were obtained. When pink flowers were selfed, the F2 generation showed white, red and pink flowers. Choose the incorrect statement from the following :

asked Jul 8, 2019 by pady_1

1 answer

If $a, h, b$ are in A.P., then the triangular area formed by the pair of lines $ax^2 + 2hxy + by^2=0$ and the line $x-y=-2$ (in square units) is :

asked Dec 19, 2018 by pady_1

1 answer

The equation $\frac{1}{r} = \frac{1}{8} +\frac{3}{8} \cos \theta$ represents $a/an$ :

asked Dec 19, 2018 by pady_1

0 answers

The area (in square units) of the region bounded by the curve $x^2 = 4y$, the line $x=2$ and the $x$-axis is equal to :

asked Dec 19, 2018 by pady_1

0 answers

Evaluate $\begin{align} \int_{-1}^1 f(x) \;dx \end{align}$, where $f(x) = \begin{cases} 1-2x, & x \leq 0 \\ 1+2x, & x \geq 0 \end{cases} $

asked Dec 11, 2018 by pady_1

0 answers

$H_2$ gas is absorbed on the metal surface like tungsten. This follows . . . . order reaction.

asked Dec 11, 2018 by pady_1

0 answers

The solubilities of carbonates decrease down the magnesium group due to a decrease in :

asked Dec 11, 2018 by pady_1

0 answers

Let $a_1, a_2, a_3, ....$ cannot be terms of an AP. If $\frac{a_1+a_2+....+a_p}{a_1 + a_2 + ....+ a_q} = \frac{p^2}{q^2}, \; p \neq q$, then $\frac{a_6}{a_{21}}$ equals :

asked Nov 13, 2018 by pady_1

0 answers

Acid catalyzed hydration of alkenes except ethene leads to the formation of :

asked Nov 5, 2018 by pady_1

0 answers

Which of the folowing will have meso-isomer also ?

asked Nov 5, 2018 by pady_1

1 answer

The transparent lens in the human eye is held in its place by

asked Aug 21, 2018 by pady_1

1 answer

Thermodynamic processes are indicated in the following diagram

asked Aug 21, 2018 by pady_1

1 answer

A capacitor of $2 \mu F$ is charged as shown in the diagram. When the switch $S$ is turned to position $2$, the percentage of its stored energy dissipated is :

asked Aug 21, 2018 by pady_1

1 answer

In the spectrum of hydrogen, the ratio of the longest wavelength in the Lyman series to the longest wavelength in the Balmer series is :

asked Aug 21, 2018 by pady_1

1 answer

Select the Taxon mentioned that represents both marine and fresh water species :

asked Aug 20, 2018 by pady_1

2 answers

Match the name of the animal (Column I) with one characteristics (Column II) and the phylum/class (Column III) to which it belongs.

asked Aug 20, 2018 by pady_1

1 answer

Which one of the following is not a functional unit of an ecosystem

asked Aug 20, 2018 by pady_1

1 answer

Eutrophication is often seen in :

asked Aug 16, 2018 by pady_1

1 answer

Which one of the following statements regards to the excretion by the human kidneys is correct –

asked Jul 26, 2018 by pady_1

1 answer

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asked Jul 26, 2018 by pady_1

1 answer

About 70% of total global carbon is found in:

asked Jul 26, 2018 by pady_1

1 answer

Passage cells are thin-walled cells found in:-

asked Jul 26, 2018 by pady_1

1 answer

How many ATP molecules could maximally be generated from one molecule of glucose, if the complete oxidation of one mole of glucose to $CO_2$ and $H_2O$ yields 686 kcal and the useful chemical energy available in the high energy phosphate bond of one mole of ATP is 12 kcal ?

asked Jul 25, 2018 by pady_1

1 answer

Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by -

asked Jul 24, 2018 by pady_1

1 answer

Angiosperms have dominated the land flora primarily because of their -

asked Jul 24, 2018 by pady_1

0 answers

Which of the following discoveries resulted in a Nobel Prize : -

asked Jul 24, 2018 by pady_1

1 answer

Which fungal disease spreads by seed and flowers : -

asked Jul 23, 2018 by pady_1

3 answers

Which one of the following is correct match

asked Jul 20, 2018 by pady_1

1 answer

A person who is eating boiled potato his food contains the component is :

asked Jul 20, 2018 by pady_1

1 answer

Which weedicide can defoliate the complete forest :

asked Jun 15, 2018 by pady_1

1 answer

Find the product of 49.6 × 14

asked Dec 31, 2015 by pady_1

0 answers

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In Antirrhinum (Snapdragon), a red flower was crossed with a white flower and in F1 generation, pink flowers were obtained. When pink flowers were selfed, the F2 generation showed white, red and pink flowers. Choose the incorrect statement from the following :

If $a, h, b$ are in A.P., then the triangular area formed by the pair of lines $ax^2 + 2hxy + by^2=0$ and the line $x-y=-2$ (in square units) is :

The equation $\frac{1}{r} = \frac{1}{8} +\frac{3}{8} \cos \theta$ represents $a/an$ :

The area (in square units) of the region bounded by the curve $x^2 = 4y$, the line $x=2$ and the $x$-axis is equal to :

Evaluate $\begin{align} \int_{-1}^1 f(x) \;dx \end{align}$, where <br> <br>$f(x) = \begin{cases} 1-2x, & x \leq 0 \\ 1+2x, & x \geq 0 \end{cases} $

$H_2$ gas is absorbed on the metal surface like tungsten. This follows . . . . order reaction.

The solubilities of carbonates decrease down the magnesium group due to a decrease in :

Let $a_1, a_2, a_3, ....$ cannot be terms of an AP. If $\frac{a_1+a_2+....+a_p}{a_1 + a_2 + ....+ a_q} = \frac{p^2}{q^2}, \; p \neq q$, then $\frac{a_6}{a_{21}}$ equals :

Acid catalyzed hydration of alkenes except ethene leads to the formation of :

Which of the folowing will have meso-isomer also ?

The transparent lens in the human eye is held in its place by

Thermodynamic processes are indicated in the following diagram <br>

A capacitor of $2 \mu F$ is charged as shown in the diagram. When the switch $S$ is turned to position $2$, the percentage of its stored energy dissipated is : <br>

In the spectrum of hydrogen, the ratio of the longest wavelength in the Lyman series to the longest wavelength in the Balmer series is :

Select the Taxon mentioned that represents both marine and fresh water species :

Match the name of the animal (Column I) with one characteristics (Column II) and the phylum/class (Column III) to which it belongs. <br>

Which one of the following is not a functional unit of an ecosystem

Eutrophication is often seen in :

Which one of the following statements regards to the excretion by the human kidneys is correct –

<img src =" "/>

About 70% of total global carbon is found in:

Passage cells are thin-walled cells found in:-

How many ATP molecules could maximally be generated from one molecule of glucose, if the complete oxidation of one mole of glucose to $CO_2$ and $H_2O$ yields 686 kcal and the useful chemical energy available in the high energy phosphate bond of one mole of ATP is 12 kcal ?

Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by -

Angiosperms have dominated the land flora primarily because of their -

Which of the following discoveries resulted in a Nobel Prize : -

Which fungal disease spreads by seed and flowers : -

Which one of the following is correct match

A person who is eating boiled potato his food contains the component is :

Which weedicide can defoliate the complete forest :

Find the product of 49.6 × 14