List of practice Questions

Which of the following is the correct order for ease of dehydration-

Which of the following species of plant is considered as the world?s most problematic aquatic weed ?

What proves that light is a transverse wave?

What is role of sterol in cell membrane?

The primary of a transformer has 400 turns while the secondary has 2000 turns. If the power output from the secondary at 1000 V is 12 kW, what is the primary voltage?

The number of S?S bonds in SO, SO$^{2}_{3}$ SO$^{2}_{6}$ and SO$^{2}_{8}$ respectively are

R. of malic acid

If the X-ray tube is working at 20 kV then the minimum wavelength of X-rays will be

Hugo de Vries gave his mutation theory on organic evolution while working on

Histamine is secreted by

Gibberellin was first extracted from

Formation of corpus luteum is induced by

Find pH of 0.1 M NaOH solution.

Few cnidarians like corals have a skeleton composed of

Find error in calculation of resistivity of R = 65 ? 1 O l = 5 ? 0.1 mm d = 10 ? 0.5 mm

Favourable condition for product formation in the given reaction. $SO_{2}\left(g\right)\quad \frac{1}{2}O_{2}\left(g\right)\quad\quad SO_{3}\left(g\right);$ $\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad H=-42\,kj\,is$

Energy flow in an ecosystem is

Dikaryon formation is the characteristic feature of

[Cr(HO)]Cl (atomic number of Cr = 24) has a magnetic moment of 3.83 BM. The correct distribution of 3d-elections in the chromium present in the complex is

Element A and B have electronegativities 3 and 1.2 respectively? Nature of bond between them?

Cell wall of fungi is composed of :

Cassiterite is ore of :

Both chasmogamous and cleistogamous flowers are present in

Best stage to observe shape, size and number of chromosomes is ______

Grignard reagent can?t be prepared from