List of practice Questions

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
A body is moving forward and backward. Change in frequency observed by the body of a source is $2 \%$. What is velocity of the body? (Speed of sound is $300\, ms ^{1}$ )
Rate of heart beat is reduced by
Ridges present in the ventricles are
Cell fragments of megakaryocytes yield
In angiosperms, floral bud is covered by whorl of
Short twisted strands of hyphae which serves as anchors for lichens are
During lytic life cycle of a virulent DNA phage which of the following does not occur ?
A virus containing ssRNA acting as a templatefor DNA synthesis is called as
Helically coiled bacteria are called
Paramoecium is a