Which of the following hormone is responsible for the development of secondary female characteristic and participate in control of menstrual cycle?

The rate constant for a first order reaction becomes 2 times when the temperature is raised from 330 K to 380 K . Then the energy of activation for the reaction will be:\[[\log 2=0.3010]\]

Answer the question on basis of passage given below :
Vitamins represent a group of organic compounds which are needed in small amount for the healthy growth and maintenance of our body. These are not synthesised by the body and are supplied in the diet. The deficiency of vitamins can be supplemented with medicines.
The pernicious anaemia disease is associated with the deficiency of :

During denaturation of proteins which structure of proteins remain intact?

What is the IUPAC name of resorcinol?

Select the order of increasing solubility of given gases in water at 293 K:
(A) \(\mathrm{O}_2\left(\mathrm{~K}_H=34.86 \mathrm{kbar}\right)\)
(B) \(\mathrm{He}\left(\mathrm{K}_H=144.97 \mathrm{kbar}\right)\)
(C) \(\mathrm{N}_2\left(\mathrm{~K}_H=76.48 \mathrm{kbar}\right)\)
(D) \(\mathrm{H}_2\left(\mathrm{~K}_H=69.16 \mathrm{kbar}\right)\)
Choose the correct answer from the options given below:

Answer the question on the basis of passage given below :
Aldehydes and ketones represent two essential classes of organic compounds
which are extensively used in the synthesis of a wide variety of other organic molecules.
Due to the inherent polarity of the central carbonyl group, these substances readily undergo nucleophilic addition reactions.
Broadly speaking, these addition reactions can be categorized into two types:
one in which simple addition of the nucleophilic reagent occurs across the \(> C = O\) bond, and the second type where the initial addition is subsequently followed by the elimination of a water molecule.
A variety of ammonia derivatives, including hydroxylamine, hydrazine, phenylhydrazine,
2, 4-dinitroplhenylhdrasine, and semicarbaside, all belong to this second category of reactions.
These specific derivatives are fundamentally used for the identification and definitive characterization of aldehydes and ketones. Significantly, both types of nucleophilic addition reactions are strongly influenced by both steric and electronic factors.
As a general rule, aliphatic aldehydes exhibit higher reactivity compared to aromatic aldehydes.
The aliphatic aldehydes demonstrate the ability to reduce both Fehling's solution and Tollen's reagent, whereas aromatic aldehydes are limited to reducing only Tollen's reagent.
In a similar manner to aldehydes, aromatic ketones are observed to be less reactive than aliphatic ketones towards all nucleophilic addition reactions.
In a separate context, phenols and carborylic acids both exhibit acidic properties in nature.
Both classes of compounds readily dissolve in NaOH solution and cause blue litmus to turn red.
However, carboxylic acids stand out as much stronger acids than phenols and thus can decompose sodium bicarbonate \(\left( NaHCO _3\right)\) with the distinct evolution of \(CO _2\) gas, a reaction which phenols do not undergo.
It is important to note that both electron- donating and electron- withdrawing substituents significantly influence the acid strength of both aliphatic as well as aromatic carborylic acids.
Furthermore, unlike all other common aliphatic acids, formic acid uniquely possesses reducing properties and simultaneously does not display the typical reactions characteristic of the alkyl group.
Which of the following compound most readily undergoes nucleophilic addition reaction?

Arrange the following in increasing order of the mass of the metal deposited when 1 amp of current is passed through their electrolytic solutions for 1 minute
(A). Al (atomic mass = 27 g/mol)
(B). Mg (atomic mass = 24 g/mol)
(C). Ag (atomic mass = 108 g/mol)
(D). Cu (atomic mass = 63.5 g/mol)
Choose the correct answer from the options given below:

An aqueous solution of glucose is labelled as 20% w/w. If the density of the solution is 1.2 g/mL the molality of the solution.

Two concentric circular loops of radius 5 cm and 15 cm are placed co-axially. Find e.m.f induced in the inner loop, if the current through the outer loop is changed at a rate of 10 A/ms. Assume the magnetic field on the inner loop to be uniform.

In a 500 m race, the ratio of speeds of two participants, A and B, is 4 : 5 respectively.
If A has a start of 180 m, then the distance by which A wins is :

If \(A\) and \(B\) are non singular square matrices of the same order,
then which of the statements are true ?
(A) \((\operatorname{adj} A)(\operatorname{adj} B)=(\operatorname{adj} B)(\operatorname{adj} A)\)
(B) \((A B)^T=A^T B^T\), if \(A^T\) denotes transpose of \(A\)
(C) \((A B)^{-1}=B^{-1} A^{-1}\)
(D) Multiplication of matrices is not commutative

Let A = {1,2,3}.
The number of relations on A containing (1, 2) and (2, 3),
which is reflexive and transitive but not symmetric, is: