List of practice Questions

Which of the following transition metals of 3 series has the lowest melting point?
Which of the followings are the characteristic features of Solanaceae? (a)$\quad$ Exstipulate leaves (b) $\quad$Persistent calyx (c)$\quad$ Racemose inflorescence (d)$\quad$ Unilocular ovary (e) $\quad$Fruits are either berry or capsule Of these
Which of these characters does/do not apply to the vascular bundle of monocot stem? I. Conjoint II. Endarch protoxylem III. Open IV. Phloem parenchyma is absent
In which one of the followin pollination is autogamous ?
Which of these is an example for a zygomorphic flower with diadelphous stamens and marginal placentation?
Which of these is an example for zygomorphic flower with imbricate aestivation
Which one is a specialized connective tissue among these?
Which among the following is not an antibiotic?
When $MnO_2$ is fused with $KOH$ and $KNO_3$, a coloured compound is formed. Choose the right compound with the appropriate colour
When percentage saturation of haemoglobin with O$^2$ is plotted against pO$^2$, the curve obtained is
When potassium is reacted with water, which compound $(S)$ is are formed preferentially?
When BH is heated with NH, the final product is
When a mixture of benzaldehyde and acetophenone is treated with dilute $NaOH$ at $293\, K$, it forms
Vasa recta refers to
What is the escape velocity for a body on the surface of a planet on which the acceleration due to gravity is $(3.1)^2 ms^{-2}$ and whose radius is 8100 km?
What is the IUPAC official name of element with atomic number 110?
Two wires of same length and same material but of radii r and 2r are stretched by forces F and/respectively to produce equal elongation. The ratio F to f is
Type of asexual reproduction found in Hydra is
Two spherical soap bubbles of diameters 10 cm and 6 cm are formed, one at each end of a narrow horizontal glass tube. If the surface tension of the soap solution is 0.03 Nm$^{-1}$, then the pressure difference in pascal between the two ends of the tube is
Two trains are moving with equal speed in opposite directions along two parallel railway tracks. If the wind is blowing with speed $u$ along the track so that the relative velocities of the trains with respect to the wind are in the ratio $ 1:2, $ then the speed of each train must be
Two identical conducting spheres carrying different charges attract each other with a force $ F $ when placed in air medium at a distance $ d $ apart. The spheres are brought into contact and then taken to their original positions. Now the two spheres repel each other with a force whose magnitude is equal to that of the initial attractive force-The ratio between initial charges on the spheres is
Two identical balls A and B collide head on elastically. If the velocity of A and B before collision are $0.5\, ms^{-1}$ and 0.3 $ms^{-1}$ respectively, then their velocities after collision will be
Two identical coaxial coils $P$ and $Q$ carrying equal amount of current in the same direction are brought nearer. The current in
The Zeroth law of thermodynamics leads to the concept of
Two conducting spheres $A$ and $B$ of radius $a$ and $b$ respectively are at the same potential. The ratio of the surface charge densities of $A$ and $B$ is