List of top Questions asked in NEET (UG)- 1999

The internal resistance of a cell of e.m.f. 2 V is $0.1\, \Omega$ It is connected to a resistance of $3.9\, \Omega$. The voltage across the cell will be
The canal system is a characteristic feature of
Life span of a worker bee is
The current in the given circuit is
Angiosperm, to which the largest flowers belong, is
The new varieties of plants are produced by
Haemophilic man marries a normal woman. Their offsprings will be
A disc is rolling (without slipping) on a horizontal surface. C is its centre and Q and P are two points equidistant from C. Let $v_P$, $v_q$ and $v_c$ be the magnitude of velocities of points P,Q and C respectively, then
A gene pair hides the effect of another gene. The phenomenon is called

Energy transfer from one trophic level to another, in a food chain, is

Which of the following is true about bryophytes ?
The antherozoids of Funaria are
Bryophytes comprise
Dichotomous branching is found in
Aquatic reptiles are
Temperature changes, in the environment, affect most of the animals which are
Which of the following is not found in birds?
A mass m supported by a massless string wound around a uniform hollow cylinder of mass m and radius R. If the string does not slip on the cylinder, with what acceleration will the mass fall on release?
A person aiming to reach exactly opposite point on the bank of a stream is swimming with a speed of 0.5 m/s at an angle of $ 120^\circ$ with the direction of flow of water. The speed of water in the stream, is
A stone is dropped from a height \(h\). It hits the ground with a certain momentum \(p\). If the same stone is dropped from a height 100% more than the previous height, the momentum when it hits the ground will change by -
A straight wire of diameter 0.5 mm carrying a current of 1 A is replaced by the another wire of 1 mm diameter carrying the same current. The strength of the magnetic field far away is
After ovulation Graafian follicle regresses into
Amides can be converted into amines by a reaction named after
At $25^\circ $C and 730 mm pressure, 380 mL of dry oxygen was collected. If the temperature is constant, what volume will the oxygen occupy at 760 mm pressure?
Carbon dioxide acceptor in C3 plants is