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NEET UG previous year questions with solutions

NEET, AIIMS and NTA Abhyas previous year questions with solutions — Physics, Chemistry and Biology.

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Chapters with the most previous year questions in the NEET UG bank (Chemistry, Botany, Zoology and Physics).

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NEET UG previous year questions with solutions

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Chemistry

Botany

Zoology

Physics

Biology

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Assertion : Annual rings are used to calculate the age of tree. Reason : Secondary growth is not found in bamboo.

As secondary growth proceeds, in a dicot stem, the thickness of

Assertion : No secondary growth takes place in monocots. Reason : Secondary growth is not related with cambium.

Assertion : Protostele is the simplest stele. Reason : Protostele is the most advanced type of stele.

Why are vascular bundles closed in monocots?

Given figure shows

Assertion : Quiescent centre is found in the centre of the root apex. Reason : Quiescent centre consists of actively dividing cells.

Ectophloic siphonostele is found in

Assertion : In angiosperms the conduction of water is more efficient because their xylem has vessels. Reason : Conduction of water by vessel elements is an active

In the sieve elements, which one of the following is the most likely function of P-proteins ?

Which one of the following statements pertaining to plant structure is correct?

In a plant organ which is covered by periderm and in which the stomata are absent, some gaseous exchange still takes place through

Among the following, the number of compounds having zero lone pair of electrons on central atom is XeO_3, XeO_2 ~F_2, XeO_4, XeO_3 ~F_2, XeF_4

Assertion : S_2 O_7^ 2- and Cr_2 O_7^ 2- both exist. Reason : Both have same valence electrons.

Which is least soluble in water?

Assertion : LiCl is predominantly a covalent compound. Reason : Electronegativity difference between Li and Cl is too small.

Which pair of molecules does not have identical structure?

When Ag^ + reacts with excess of sodium thiosulphate then the obtained species have charge and geometry respectively

Select the correct statement regarding shapes of PCl_5, BrF_5 and IF_7 .

Assertion : Si-Si bonds are much stronger than Si-O bonds. Reason : Silicon forms double bonds with itself.

Which of the following have same hybridisation but are not isostructural?

Which of the following is correct regarding bond angles? (i) SO_2 < H_2 O (ii) H_2 ~S < SO_2 (iii) SO_2 < H_2 ~S (iv) SbH_3 < NO_2^ +

Which of the following has maximum \% of s -character?

H_2 O is polar, whereas BeF_2 is not because

A transformer with efficiency 80 \% works at 4 ~kW and 100 ~V . If the secondary voltage is 200 ~V , then the primary and secondary currents are respectively

In a transformer number of turns in primary circuit is 500 and in secondary circuit number of turns is 10 . The load resistance is 10 Ω and voltage of secondary coil is

Assertion : At resonance, L C R series circuit have a minimum current. Reason : At resonance, in LCR series circuit, the current and e.m.f are not in phase with each

A series resonant L C R circuit has a quality factor (Q-factor) 0.4 . If R=2 k Ω, C=0.1 μ F , then the value of inductance is

In an L C R circuit as shown in figure, both switches are open initially. Now switch S_1 is closed, S_2 kept open. ( q is charge on the capacitor and τ=R C is capacitive

The voltage across a pure inductor is represented in figure. Which one of the following curves in the figure will represent the current?

In a L C R oscillatory circuit, find the energy stored in inductor at resonance if voltage of source is 10 ~V , resistance is 10 Ω and inductance =1 H .

An electric bulb has a rated power of 50 ~W at 100 ~V . If it is used on an AC source of 200 ~V , 50 ~Hz , a choke has to be used in series with it. This choke should

In LCR series circuit, source voltage is 120 ~V and voltage across inductor 50 ~V . If voltage drop across resistance is 40 ~V , then determine voltage in capacitor.

The most suitable metal for making electromagnets and transformer cores is

In an oscillating system, a restoring force is a must. In an L-C circuit, restoring force is provide by

In an A C circuit, voltage V=V_0 ω t and inductor L is connected across the circuit. Then the instantaneous power will be