Recent questions tagged 156

Which of the following ecological pyramids is generally inverted ?

asked Jul 8, 2019 by pady_1

2 answers

If the operation $$ is defined on $R$, the set of all real numbers, as $ab = ab +1 \; \forall\; a, b \in R$ then $a * (b *c) $ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

If $x=27$ and $y=\log_3 4$, then $x^y$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

If $^nC_3 : ^{n-1}C_4= 8:5$, then $n$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

The solution of $x \; dx + y \;dy = x^2y\; dy - xy^2\;dx$ is :

asked Dec 11, 2018 by pady_1

0 answers

$l, \; m, n$ are the $p^{th}, q^{th}$ and $r^{th}$ term of an GP and all positive, then $\begin{vmatrix} \log l & p & 1 \\ \log m & q&1 \\ \log n & r & 1 \end{vmatrix}$ equals :

asked Dec 11, 2018 by pady_1

0 answers

If the system of linear equations $\; \; \; \; x +2 ay + az = 0 $ $\; \; \; \; x + 3by + bz=0$ $\; \; \; \; x +4cy +cz = 0$ has a non-zero solution, then $a, \; b,\; c$:

asked Dec 11, 2018 by pady_1

0 answers

Which of the followng statements is false for a particle moving in a circle with a constant angular speed ?

asked Nov 5, 2018 by pady_1

0 answers

Hormones secreted by the placenta to maintain pregnancy are

asked Aug 21, 2018 by pady_1

1 answer

An arrangement of three parallel straight wires placed perpendicular to plane of paper carrying same current 'I' along the same direction is shown in Fig. Magnitude of force per unit length on the middle wire 'B' is given by :

asked Aug 21, 2018 by pady_1

1 answer

A black body is at a temperature of $5760 \;K$. The energy of radiation emitted by the body at wavelength $250 \;nm$ is $U_1$, at wavelength $500 \;nm$ is $U_2$ and that at $1000\; nm$ is $U_3$. Wien's constant, $b = 2.88 \times 10^6 \;nmK$. Which of the following is correct ?

asked Aug 21, 2018 by pady_1

1 answer

A force $\overrightarrow{F} = \alpha \hat{i} + 3 \hat {j} + 6 \hat{k}$ is acting at a point $\overrightarrow{r} = 2 \hat{i} -6\hat {j} - 12 \hat{k}$. The value of $\alpha$ for which angular momentum about origin is conserved is :

asked Aug 21, 2018 by pady_1

1 answer

Which one of the following statements is not correct?

asked Aug 20, 2018 by pady_1

1 answer

Parts A, B, C and D of the human eye are shown in the diagram. Select the option which gives correct identification along with its functions / characteristics

asked Aug 20, 2018 by pady_1

1 answer

Which one out of A - D given below correctly represents the structural formula of the basic amino acid

asked Aug 20, 2018 by pady_1

1 answer

The curve given below shows enzymatic activity with relation to three conditions (pH, temperature and substrate concentration)

asked Aug 16, 2018 by pady_1

1 answer

The signals for parturition orginate from –

asked Jul 26, 2018 by pady_1

1 answer

Which one of the following statement is true regarding digestion and absorption of food in humans :

asked Jul 26, 2018 by pady_1

1 answer

In the light of recent classification of living organisms into three domains of life (bacteria, archaea and eukarya), which one of the following statements is true about archaea?

asked Jul 26, 2018 by pady_1

1 answer

A drop of each of the following, is placed separately on four slides. Which of them will not coagulate ?

asked Jul 26, 2018 by pady_1

1 answer

Which of the following statements regarding cilia is not correct -

asked Jul 25, 2018 by pady_1

1 answer

In order to find out the different types of gametes produced by a pea plants having the genotype AaBb, it should be crossed to a plant with the genotype -

asked Jul 24, 2018 by pady_1

1 answer

The most abundant element present in the plant is :-

asked Jul 24, 2018 by pady_1

0 answers

During anaerobic digestion of organic waste, such as in producing biogas, which one of the following is left undergraded : -

asked Jul 24, 2018 by pady_1

0 answers

In which of the animal dimorphic nucleus is found : -

asked Jul 23, 2018 by pady_1

2 answers

Maximum number of bases in plasmids discovered so far : -

asked Jul 20, 2018 by pady_1

2 answers

Coconut milk is used in tissue culture in which present :

asked Jul 20, 2018 by pady_1

1 answer

Function of thyrocalcitonin :

asked Jun 15, 2018 by pady_1

1 answer

A chef bought 9.29 kilograms of almonds and 1.65 kilograms of pecans. How many kilograms of nuts did the chef buy in all?

asked Dec 31, 2015 by pady_1

0 answers

Ask Questions, Get Answers

Which of the following ecological pyramids is generally inverted ?

If the operation $$ is defined on $R$, the set of all real numbers, as $ab = ab +1 \; \forall\; a, b \in R$ then $a * (b *c) $ is equal to :

If $x=27$ and $y=\log_3 4$, then $x^y$ is equal to :

If $^nC_3 : ^{n-1}C_4= 8:5$, then $n$ is equal to :

The solution of $x \; dx + y \;dy = x^2y\; dy - xy^2\;dx$ is :

$l, \; m, n$ are the $p^{th}, q^{th}$ and $r^{th}$ term of an GP and all positive, then $\begin{vmatrix} \log l & p & 1 \\ \log m & q&1 \\ \log n & r & 1 \end{vmatrix}$ equals :

If the system of linear equations <br> $\; \; \; \; x +2 ay + az = 0 $ <br> $\; \; \; \; x + 3by + bz=0$ <br> $\; \; \; \; x +4cy +cz = 0$ <br> has a non-zero solution, then $a, \; b,\; c$:

Which of the followng statements is false for a particle moving in a circle with a constant angular speed ?

Hormones secreted by the placenta to maintain pregnancy are

An arrangement of three parallel straight wires placed perpendicular to plane of paper carrying same current 'I' along the same direction is shown in Fig. Magnitude of force per unit length on the middle wire 'B' is given by : <br>

A black body is at a temperature of $5760 \;K$. The energy of radiation emitted by the body at wavelength $250 \;nm$ is $U_1$, at wavelength $500 \;nm$ is $U_2$ and that at $1000\; nm$ is $U_3$. Wien's constant, $b = 2.88 \times 10^6 \;nmK$. <br> Which of the following is correct ?

A force $\overrightarrow{F} = \alpha \hat{i} + 3 \hat {j} + 6 \hat{k}$ is acting at a point $\overrightarrow{r} = 2 \hat{i} -6\hat {j} - 12 \hat{k}$. The value of $\alpha$ for which angular momentum about origin is conserved is :

Which one of the following statements is not correct?

Parts A, B, C and D of the human eye are shown in the diagram. Select the option which gives correct identification along with its functions / characteristics <br>

Which one out of A - D given below correctly represents the structural formula of the basic amino acid <br>

The curve given below shows enzymatic activity with relation to three conditions (pH, temperature and substrate concentration) <br>

The signals for parturition orginate from –

Which one of the following statement is true regarding digestion and absorption of food in humans :

In the light of recent classification of living organisms into three domains of life (bacteria, archaea and eukarya), which one of the following statements is true about archaea?

A drop of each of the following, is placed separately on four slides. Which of them will not coagulate ?

Which of the following statements regarding cilia is not correct -

In order to find out the different types of gametes produced by a pea plants having the genotype AaBb, it should be crossed to a plant with the genotype -

The most abundant element present in the plant is :-

During anaerobic digestion of organic waste, such as in producing biogas, which one of the following is left undergraded : -

In which of the animal dimorphic nucleus is found : -

Maximum number of bases in plasmids discovered so far : -

Coconut milk is used in tissue culture in which present :

Function of thyrocalcitonin :

A chef bought 9.29 kilograms of almonds and 1.65 kilograms of pecans. How many kilograms of nuts did the chef buy in all?