List of practice Questions

When NO reacts with $FeSO _{4}$, a brown coloured complex is formed. In the complex, the coordination number of Fe is $+6$.
The value of van der Waals' constant ' $a$ ' for ammonia is larger than that of nitrogen gas. Molecular weight of ammonia is smaller than nitrogen gas.
Pollen mother cells (PMCs) are the first male gametophytic cells. Each PMC gives rise to two pollens.
Dark reaction occurs only at night in the stroma of chloroplast. CO fixation occurs only during C cycle.
For the reaction, $2 NO (g)+ O _{2}(g) \rightleftharpoons 2 NO _{2}(g),$ increase in pressure favours the formation of $NO _{2}$. The reaction is exothermic.
Most of the economically important fibre yielding plants belong to family
From a group of $ 8 $ boys and $ 3 $ girls, a commitee of $ 5 $ members to be formed. Find the probability that $ 2 $ particular girls are included in the committe is
At a certain instant a stationary transverse wave is found to have maximum kinetic energy. The appearance of string at that instant is
Scientific name of sunflower is
Which of the following is a total root parasite ?
Which of the following is an example of chain silicates?
Which of the following is not a reflex action?
Which of the following metal is correctly matched with its ore?
Which of the following pairs represents linkage isomers ?
Which of the following postulates is related with Neo-Darwinism?
Which of the following tissues consist of living cells?
Which one of the following is not an insectivorous plant?
Which one of the following statements is correct?
Table sugar is
Which phenomenon is common in both light and sound waves ?
Ordinary glass is formed by mixing of
$NH_{3}$ gas is passed over heated copper oxide. It oxidises to
Which of the following compounds shows optical isomerism?
$ {CH2 = CH2 ->[HBr] X} {->[A KOH] Y} { ->[{Na_2CO_3}][{I_2}] Z}$ In the above reaction sequence, $ Z $ is
Lucas test is given fastly by