List of top Questions asked in NEET (UG)- 2022

Which part of the fruit, labelled in the given figure makes it a false fruit?

The flowers are Zygomorphic in:

Mustard
Gulmohar
Cassia
Datura
Chilli

Choose the correct answer from the options given below:

Let \(T_1\) and \(T_2\) be the energy of an electron in the first and second excited states of the hydrogen atom, respectively. According to Bohr’s model of an atom; the ratio T1:T2 is:

If radius of second Bohr orbit of the He⁺ ion is 105.8pm, What is the radius of third Bohr Orbit of Li²⁺ ion?

Statement I: Primary aliphatic amines react with HNO₂ to give unstable diazonium salts.
Statement II: Primary aromatic amines react with HNO₂ to form diazonium salts which are stable even above 300 K.
Choose the most appropriate answer from the options given below:

The IUPAC name of the complex [Ag(H₂O)₂][Ag(CN)₂] is:

The displacement time graphs of two moving particles make angles of \(30\degree\) and \(45\degree\) with the x-axis as shown in the figure. The ratio of their respective velocity is

Two hollow conducting spheres of radii R₁ and R₂ (R₁ >>R₂) have equal charges. The potential would be:

Copper crystallises in fcc unit cell with cell edge length of 3.608 x 10^-8 cm. The density of copper is 8.92 g cm^-3. Calculate the atomic mass of copper

Which of the following sequence of reactions is suitable to synthesize chlorobenzene?

Which one of the following is not true regarding the release of energy during ATP synthesis through chemiosmosis? It involves:

“Girdling Experiment” was performed by plant physiologists to identify the plant tissue through which:

Match the plant with the kind of life cycle it exhibits. Choose the correct answer from the options given below:

	List - I		List - II
(a)	Spirogyra	(i)	Dominant diploid sporophyte vascular plant, with highly reduced male or female gametophyte
(b)	Fern	(ii)	Dominant haploid free-living gametophyte
(c)	Funaria	(iii)	Dominant diploid sporophyte alternating with reduced gametophyte called prothallus
(d)	Cycas	(iv)	Dominant haploid leafy gametophyte alternating with partially dependent multicellular sporophyte

What is the role of large bundle sheath cells found around the vascular bundles in \(C_4\) plants?

In old trees the greater part of secondary xylem is dark brown and resistant to insect attack due to:

Secretion of secondary metabolites and their deposition in the lumen of vessels.
Deposition of organic compounds like tannins and resins in the central layers of the stem.
Deposition of suberin and aromatic substances in the outer layer of the stem.
Deposition of tannins, gum, resin and aromatic substances in the peripheral layers of the stem.
Presence of parenchyma cells, functionally active xylem elements and essential oils.

Choose the correct answer from the options given below:

Given below are two statements:
Statement I: In a scrubber, exhaust from the thermal plant is passed through the electric wires to charge the dust particles.
Statement II: Particular matter (PM 2.5) can not be removed by scrubber but can be removed by an electrostatic precipitator.
In the light of the above statements, choose the most appropriate answer from the options given below:

Identify the incorrect statement related to Pollination:

Given below are two statements:
Statement I: Cleistogamous flowers are invariably autogamous
Statement II: Cleistogamy is disadvantageous as there is no chance for cross pollination
In the light of the above statements, choose the correct answer from the options given below:

Which one of the following will accelerate phosphorus cycle?

Which one of the following plants does not show plasticity?

Which of the following is not a method of ex situ conservation?

Given below are two statements:
Statement I: Decomposition is a process in which the detritus is degraded into simpler substances by microbes.
Statement II: Decomposition is faster if the detritus is rich in lignin and chitin.
In the light of the above statements, choose the correct answer from the options given below

What amount of energy is released from glucose during lactic acid fermentation?

The gaseous plant growth regulator is used in plants to:

Habitat loss and fragmentation, over exploitation, alien species invasion and co-extinction are causes for: