List of practice Questions

Quantasome is a unit related to
Which of the following type is a rapid type of absorption ?
Cartilage is a type of
Major function of the mineral Magnesium is
Streaming of the cytoplasms within some living cell is known as
The cockroach crushes food with the help of its
DNA packaging in eukaryotes is done by formation of
'Active' absorption of water by roots from the soil is mainly affected by
Bauxite is
Siderite is
Bond order in nitrogen molecule is
The radius ratio of a substance is 0.32. The coordination number of the substance is
A single slit diffraction pattern is obtained on a screen using 600 nm light when the width of the central (principal) maximum is 0.30 mm. The width of the slit is reduced by 50%. and then illuminated by 450 nm light. Width, in mm, of the central maximum in the second case is;
Which of the following effects could not be observed for sound waves in air ?
A bi-metallic slab is made (refer figure) by fusing two material. The components have same thickness and lengths, but are of thermal conductivities $K_1$ and $K_2$. If the heat were to conduct across the faces $(T_1 > T_2)$, then effective thermal conductivity of the composite slab is
A prism with a refracting angle $30^{\circ}$, made of material of refractive index 1.732, has one of its faces silvered. A ray of light incident at a certain angle on the other face retraces the path after getting reflected at the silvered face. The angle of incidence is
As per Engler and Prantl's system of classification the family Musaceae is placed
Pouched mammals are known as
A terminator codon which is called amber is
Transduction in bacteria was discovered by
Which one among the following statements is not correct?
With reference to the external features of Cockroach, which among the following statements is not correct
Which of the following is pheromone?
Which of the following enzymes is present in animals like cow, buffaloes, etc. to digest compound like paper, cloth, etc.?
Two trains are moving towards each other with speeds of 20 m/s and 15 m/s relative to the ground. The first train sounds a whistle of frequency 600 Hz, the frequency of the whistle heard by a passenger in the second train before the train meeets is (the speed of sound in air is 340 m/s)