List of practice Questions

Heterogamety is the term where an individual produces two types of gametes. The most appropriate answer is/are
GnRH secreted from hypothalamus mainly stimulates the release of
Full name of professor Misra, who is known as the Father of Ecology in India is
Figure shows a series $LCR$ circuit with $R = 200 \,\Omega,\, C = 15.0\, \mu F$ and $L = 230\, mH$. If $\varepsilon = 36.0\, sin\, 120\pi t$, the amplitude $I_{0}$ of the current $I$ in the circuit is close to
Figure gives the acceleration of a $2.0 \,kg$ body as it moves from rest along $x$ axis while a variable force acts on it from $ x=0\,m $ to $ x=9\,m $ . The work done by the force on the body when it reaches (i) $ x=4\,m $ and (ii) $ x=7\,m $ shall be as given below
Endosperm completely consumed by the developing embryo before seed maturation in
Consider the following complex ions, $P, Q$ and $R$. $P=[FeF_6]^{3-},Q=[V(H_2O)_6]^{2+} and \, R=[Fe(H_2O)_6]^{2+} $ The correct order of the complex ions, according to their spin-only magnetic moment values (in $B.M.$) is
$ [Co(NH_3)_5Br)] \,SO_4 $ and $ [Co(NH_3)_5SO_4] \,Br $ are examples of which type of isomerism ?
The movement of cilia and flagella is due to the presence of
An object and its real image are located at distances $25\, cm$ and $40 \,cm$ respectively from the two principal foci of a convex lens. The linear magnification of the image is near to
An ion with mass number $37$ possesses one unit of negative charge. If ion contains $11.1\%$ more neutrons than electrons, the symbol of the ion, $X$, is
An ecologist uses the term biodiversity for the variety of species of
Body of ovule is attached to funicle at a point called
Nerve impulse transmission at neuromuscular junction requires
Pressure sensitises
Which is not a function of progesterone
Among the RNA polymerases, the RNA polymerase-II transcribes
Mammalian kidney is
The compound that does not liberate $CO_2$, on treatment with aqueous sodium bicarbonate solution, is
The hyperconjugative stabilities of tert-butyl cation and 2-butene, respectively, are due to
The carbon-based reduction method is not used for the extraction of
Upon treatment with ammoniacal $H_2 S$, the metal ion that precipitates as a sulphide is
Among $P, Q, R$ and $S$, the aromatic compounds(s) is/are
Acid anhydride on reaction with primary amines give
What is the total number of electrons that can have the values $n=2, l=1, s=1 / 2$ in the electronic configuration $1 s^{2} 2 s^{2} 2 p^{3} ?$