List of top Questions asked in NEET (UG)- 2019

For a transparent medium relative permeability and permittivity, $\mu_ r$ and $\epsilon_{r}$ are $1.0$ and $1.44$ respectively. The velocity of light in this medium would be,

For the chemical reaction $N_{2 (g)} +3H_{2(g)} \rightleftharpoons 2NH_{3(g)}$ the correct option is :

The accompanying diagram shows the changes that take place in the endometrium during a normal menstrual cycle. Identify the changes and select the correct option.

If the rate constant for a first order reaction is k, the time(t) required for the completion of 99% of the reaction is given by :

In a Young' double slit experiment. if there is no initial phase difference between the light from the two slits, a point on the screen corresponding to the fifth minimum has path difference.

In Australia, marsupials and placental mammals have evolved to share many similar characteristics. This type of evolution may be referred to as :

In total internal reflection when the angle of incidence is equal to the critical angle for the pair of media in contact, what will be angle of refraction ?

In water saturated air, the mole fraction of water vapour is $0.02$. If the total pressure of the saturated air is $1.2\, atm$, the partial pressure of dry air is :

In which case change in entropy is negative ?

In which of the following devices, the eddy current effect is not used ?

Ionized hydrogen atoms and $\alpha$-particles with same momenta enters perpendicular to a constant magnetic field. B. The ratio of their radii of their paths $r_H : r_\alpha$ will be :

It takes very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to artificially induce flowering in pineapple plants throughout, the year to increase yield ?

Purines found both in DNA and RNA are ;

The ciliated epithelial cells are required to move particles or mucus in a specific direction. In humans, these cells are mainly present in

The circuit diagram shown here corresponds to the logic gate,

The artificial sweetner stable at cooking temperature and does not provide calories is :

The concept of "Omnis cellula-e cellula" regarding cell division was first proposed by :

The displacement of a particle executing simple harmonic motion is given by $y =A_{0}+ A\, sin\,wt + B\, cos\,wt$ Then the amplitude of its oscillation is given by:

The main difference between active and passive transport across cell membrane is :

The method used to remove temporary hardness of water is:

The mixture that forms maximum boiling azeotrope is :

The molar solubility of CaF$_2$ (K$_{sp}$ = 5.3 × 10$^{-11}$) in 0.1 M solution of NaF will be

The most stable carbocation, among the following is :-

The non-essential amino acid among the following is:

The number of sigma ($\sigma$)and pi ($\pi$) bonds in pent-2-en-4-yne is :