List of top Questions asked in NEET (UG)

According to widely accepted 'fluid mosaic model' cell membranes are semi-fluid, where lipids and integral proteins can diffuse randomly. In recent years, this model has been modified in several respects. In this regard, which of the following statements is incorrect?

A ball is thrown vertically upward. It has a speed of \(10\ m/s\) when it has reached one half of its maximum height. How high does the ball rise?
(Take \(g = 10\, m/s^2\))

A solution of urea (mol mass $56\, g\, mol^{-1})$ boils at $100.18 ^\circ\,C$ at the atmospheric pressure. If $K_f$ and $K_b$ for water are $1.86$ and $0.512\, K\, kg$ $mol^{-1}$ the above solution will freeze at

Which of the following statements regarding enzyme inhibition is correct

In Ornithine cycle, which of the following wastes are removed from the blood ?

Damage to thymus in a child may lead to :

Barophilic prokaryotes

Which of the following is relatively most accurate method for dating of fossils ?

Production of a human protein in bacteria by genetic engineering is possible because :

Protein synthesis in an animal cell occurs :

Which of the following unicellular organisms has a macronucleus for trophic function and one or more micronuclei for reproduction?

An ideal gas heat engine operates in Carnot cycle between 227°C and 127°C. It absorbs 6 x 10⁴ cal of heat at higher temperature. Amount of heat converted to work is:

At $ 25^\circ $, the dissociation constant of a base, BOH is $ 1.0 \times 10^{-12} $. The concentration of hydroxyl ions in 0.01 M aqueous solution of the base would be

Which of the following pairs is correctly matched?

In any fission process the ratio $\frac{mass \, of \, fission \, products}{mass \, of \, parent \, nucleus} is$

Carbohydrates most abundant biomolecules on earth, are produced by :

The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is:

Enzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of these:

For a first order reaction, $A \longrightarrow B$, the reaction rate at reactant concentration of $0.01\, M$ is found to be $2.0 \times 10^{-5} \, mol \, \, L^{-1} s^{-1}$. The half-life period of the reaction is

Telomerase is an enzyme which is a:

Two batteries, one of emf 18 volts and internal resistance $2\, \Omega$ and the other of emf 12 volts and internal resistance $1\, \Omega$ are connected as shown. The voltmeter V will record a reading of

Which of the following circular rods,(given radius r and length l)each made of the same material and whose ends are maintained at the same temperature will conduct most heat?

E.coli cells with a mutated Z gene of the lac operon cannot grow in medium containing only lactose as the source of energy because :

When a wire of uniform cross-section a, length l and resistance R is bent into a complete circle, resistance between any two of diametrically opposite points will be

For retting of jute the fermenting microbe used is