Among the following characters, which one was not considered by Mendel in his experiments on pea? Option 1 : Seed – Green or yellowOption 2 : Trichomes – Glandular or non-glandularOption 3 : Stem – Tall or dwarfOption 4 : Pod – Inflated or constricted
Homozygous purelines in cattle can be obtained by Option 1 : Mating of individuals of different speciesOption 2 : Mating of unrelated individuals of same breedOption 3 : Mating of related individuals of same breedOption 4 : Mating of individuals of different breed
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Q. Two events, one on the earth and the other one on the Sun, occur simultaneously in the earth’s frame. The time difference between the two events as seen by an observer in a spaceship moving with velocity 0.5c in the earth’s frame along the line joining the earth to the Sun is Δ𝑡, where
Q. Electrons with spin in the 𝑧-direction (𝑧̂) are passed through a Stern-Gerlach (SG) set up with the magnetic field at 𝜃 = 60o from 𝑧̂ . The fraction of electrons that will emerge with their spin parallel to the magnetic field in the SG set up (rounded off to two decimal places) is
Which of the following organisms are known as chief producers in the oceans? Option 1 : DinoflagellatesOption 2 : EuglenoidsOption 3 : CyanobacteriaOption 4 : Diatoms
Which of the following organisms are known as chief producers in the oceans? Read More »
Which of the following animals does not undergo metamorphosis? Option 1 : TunicateOption 2 : MothOption 3 : EarthwormOption 4 : Starfish
Which of the following animals does not undergo metamorphosis? Read More »
Q. Consider two systems A and B each having two distinguishable particles. In both the systems, each particle can exist in states with energies 0, 1, 2 and 3 units with equal probability. The total energy of the combined system is 5 units. Assuming that the system A has energy 3 units and the system
Which of the following features is used to identify a male cockroach from a female cockroach? Option 1 : Presence of a boat shaped sternum on the 9th abdominal segment.Option 2 : Forewings with darker tegminaOption 3 : Presence of caudal stylesOption 4 : Presence of anal cerci
Q. Consider a system of three charges as shown in the figure below: For 𝑟 = 10 m; 𝜃 = 60 degrees; 𝑞 = 10−6 Coulomb, and 𝑑 = 10−3 m, the electric dipole potential in volts (rounded off to three decimal places) at a point (𝑟, 𝜃) is Ans: 0.045 Sol:
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Which one of these animals is not a homeotherm? Option 1 : MacropusOption 2 : PsittaculaOption 3 : CamelusOption 4 : Chelone
