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

Organelles can be separated from cell homogenate through

'Origin of Species' was written by

Photographic plates and films have an essential ingredient of

Release of pancreatic juice is stimulated by

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

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

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 cartilage is present on the end of long bones -

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

The maximum number of electrons in a subshell is given by the expression

If the amplitude of sound is doubled and the frequency reduced to one fourth, the intensity of sound at the same point will be

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

Acetylenic hydrogens are acidic because

Each of the following is true for white and red phosphorus except that they

Oxygen will directly react with each of the following elements except?

A bivalent consists of:

Mango juice is obtained from

Jelly fish belongs to class

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

Transfer of Taenia to secondary host occurs as

A chordate character is

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

Which of the following hormones can replace vernalisation?

Lassaigne?s test is used in qualitative analysis to detect

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 ?