List of practice Questions

Which of the following pairs have different hybridisation and same shape? (i) $NO_3^-$ and $CO_3^{2-} $$\quad\quad$ (ii) $SO_2$ and $NH_2^-$ (iii) $XeF_2$ and $CO_2$ $\quad\quad$ (iv) $H_2O$ and $NH_3$
Which one is parasitic algae?
Which process is used in smelting during metallurgy of copper?
Which of the following disorders are caused due to recessive autosomal mutations?
When red and white flowered Mirabilis plants are crossed all pink flowers are seen in F generation. When F progeny is selfed, the expected phenotypic and genotypic ratios are
What will be the position of centre of mass of a half disc of uniform mass density as shown
What is diapedesis?
What is acrosomal reaction?
What colour is observed when $ZnO$ is heated?
Wavelength of a particular transition for $H\, atom$ is $400 \,nm$. What can be the wavelength of $He^+$ for the same transition?
Two separate bulbs contain gas A and gas B. The density of gas A is twice as that of B. The molecular mass of A is half as that of B. If temperature is constant, the ratio of the pressure of A and B is
The wave nature of electron was first experimentally verified by
The "Uplink" satellite communication frequency bands of " $ C $ " band are
The three types of expansion that takes place in solid are
The relation between the gas pressure P and average kinetic energy per unit volume E is
The normality of 10% $H_2SO_4$ solution having density 1.1 g/cc is
The H-zone in the skeletal muscle fibre is due to
The given figures are types of elements (A and B) which constitute one type of complex tissue (c) of a plant . Identify A, B and C.
The correct order of reactivity in S1 reaction for the following compounds is
The amphids are cuticular elevations on the ventrolateral lips of Ascaris. These are
Refer to the given figure of T.S. of penis. How will penile function be altered if the blood supply to the B is impaired?
Peyer's patches are present in
Oxyntic cells are located in
Osmotic pressure of 0.4% urea solution is 1.64 atm and that of 3.42% cane sugar is 2.46 atm. When the above two solutions are mixed, the osmotic pressure of the resulting solution is:
Of the following, which species is primarily obtained in a solution containing $ KHF_2 $ ?