List of practice Questions

Subunits of $80S$ ribosome are
Which of the following event occurs during $G_{1}$ -phase?
In which of the following wavelength, photosystem-$I$ is inactive?
Law of limiting factor of photosynthesis was proposed by
Competition of species leads to
Plants purify air by which process?
One of the characteristic of sieve tube is
In the following pairs, where do you get lignin in both the element?
From which of the following, photosyntheric autotrophs receive their energy?
Study of pollen grain is called
A substance that induces dormancy of seed is
When does a plant wilt?
Which of the following sequence is a correct one foar meiotic cell cycle?
Which chemical is used for induction of polyploidy?
Broca's motor area for speech is located in
Passive immunity can be obtained through
In the following reaction $NH _{4}^{+}+ BiN \rightarrow NH _{3}+ Bi ^{3+} NH _{4}^{+}$ is acting as an
In the given compound which of the following hydrogens is most acidic? $\underset{(a)}{CH_3} -\underset{(b)}{CH_2} -\overset{\underset{||}{O}}{C} -\underset{(c)}{CH_3}$
The following solids are formed by $X,\, Q$ and $Z.\, XY_{2},\,X_{2}Z,\,QZ$ . Then the formula of the compound formed by $Q$ and $Y$ is
In the following complex compound $\left[ Co \left( NH _{3}\right)_{4} Cl _{2}\right]^{+}$, Co and $Cl$ are collinear. Which of the following structures is possible?
Identify $B$ in the following reaction
Wings of birds and fore limbs of horse are $\ldots\ldots$ organs ?
What is size of gold nuclei?
In $L-C-R$ resonant circuit what is the phase angle $ \phi$ ?
A rod of length $L$ and mass $m$ is kept vertically on the ground. Its potential energy is