List of top Questions asked in NEET (UG)- 1989

A bullet of mass 10 g leaves a rifle at an initial velocity of 1000 m/s and strikes the earth at the same level with a velocity of 500 m/s. The work done in joule overcoming the resistance of air will be

A bivalent consists of:

A chordate character is

Transfer of Taenia to secondary host occurs as

Jelly fish belongs to class

Fish which can be used in biological control of mosquitoes/Larvicidal fish is

Mango juice is obtained from

The atomic number of silicon is 14. Its ground state electron configuration is

Death of protoplasm is a pre-requisite for a vital function like

Which of the following hormones can replace vernalisation?

What will be the ratio of the distance moved by a freely falling body from rest in $4^{th}$ and $5^{th}$ seconds of journey ?

Lassaigne?s test is used in qualitative analysis to detect

A current of 2 A, passing through a conductor produces 80 J of heat in 10 seconds. The resistance of the conductor in ohm is

The substrate for photorespiration is

The causal organism for African sleeping sickness is

'Origin of Species' was written by

250 N force is required to raise 75 kg mass from a pulley. If rope is pulled 12 m then the load is lifted to 3m, the efficiency of pulley system will be : -

Which of the following electromagnetic radiations have the longest wavelength ?

A black body has maximum wavelength 1 m at 2000 K. Its corresponding wavelength at 3000 K will be

Soil conservation is

Theory of inheritance of acquired characters was given by

Polyribosomes are aggregation of

\(K_1\) and \(K_2\) are equilibrium constant for reactions (i) and (ii) 
(i) \(N_2 ( g ) + O_2 ( g ) \leftrightharpoons 2 NO ( g)\)
(ii) \(NO ( g ) \leftrightharpoons \frac{1}{2} N_2 ( g ) + \frac{ 1}{ 2} O_2 ( g )\).Then,

A batsman hits back a ball straight in the direction of the bowler without changing its initial speed of $12 ms^{-1}$. If the mass of the ball is 0.15 kg, the imparted to the ball is

Histamine secreting cells are found in