List of top Questions asked in AIIMS

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R

Assertion (A) : 02 is liberated in the non-cyclic photophosphorylation.

Reason (R) : Liberation of oxygen is due to photolysis of water.

In the light of the above statements, choose the correct answer from the options given below

Match the following column I with column II.

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R 

Assertion (A) : The Cro-Magnon man was the direct ancestor of the living modern man.

Reason (R) : Cro-Magnon man had slightly prognathous face.

In the light of the above statements, choose the correct answer from the options given below

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion: Orbit of a satellite is within the gravitational field of earth whereas escaping is beyond the gravitational field of earth.
Reason: Orbital velocity of a satellite is greater than its escape velocity.
In the light of the above statements, choose the correct answer from the options given below

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R

Assertion (A) : In eukaryotes, transcription occurs in nucleus.

Reason (R) : In bacteria, transcription and translation occurs in cytoplasm.

In the light of the above statements, choose the correct answer from the options given below

Which of the following salts is coloured salt before heating?
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion: Glucose does not give 2,4-DNP test. 
Reason: Glucose exists in cyclic hemiacetal form.
In the light of the above statements, choose the correct answer from the options given below
What happens to a cell during M phase of cell cycle?
Which of the following holds true for blood circulation in earthworm?
Match the column I and II
Column IColumn II
(i)Elaioplast(a)Storage of starch
(ii)Aleuroplast(b)Storage of fat
(iii)Amyloplast(c)Storage of protein
(iv)Chromoplast(d)Colored pigments
Match the following. Column I - Column II
A potential difference V = 100 $\pm$ 5 V, when applied across a resistance, gives a current I = 10 ? 0.2 A, What is the percentage error in R?
Match the column I with column II. 
Column IColumn II
(a)Parasitism(i)++
(b)Commensalism(ii)+-
(c)Amensalism(iii)0+
(d)Mutualism(iv)0-
Calculate Molarity of a 63% w/w $HNO_3$ solution if density is 5.4 g/mL :
The decomposition of $NH_3$ on platinum surface is zero order reaction. The rates of production of $N_2$ and $H_2$ are respectively $(k = 2.5 \times 10^{-4} mol\, L^{-1} s^{-1})$
Which of the following are homosporous pteridophytes? I. Selaginella II. Lycopodium III. Salvinia IV. Equisetum

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion (A) : The centre of mass of an electron and proton, when released moves faster towards proton. 

Reason (R) : This is because proton is heavier.

In the light of the above statements, choose the correct answer from the options given below

Calculate charge on capacitor in steady state.
pH of a salt solution of wak acid (pKa = 4) & weak base (pKb = 5) at 25�C is :
Phenol + Aniline \(\xrightarrow[KOH]{C _6H_5N_2^+Cl}\:\) Major Product : Product will be :

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R

Assertion (A) : Amoxicillin is a broad spectrum antibiotic. 

Reason (R) : It is derived from penicilin G.

In the light of the above statements, choose the correct answer from the options given below

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R

Assertion (A) : \(ZnO\) becomes yellow when it is heated.

Reason (R) : Metal excess defect arises due to excess of \(Zn^{2+}\) ions which move to interstitial sites and the electron moves to neighbouring interstitial sites.

In the light of the above statements, choose the correct answer from the options given below

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R

Assertion (A) : Photodiode and solar cell work on the same principle. 

Reason (R) : Area is large for solar cell.

In the light of the above statements, choose the correct answer from the options given below

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R

Assertion (A) : Respiration involving proteins as respiratory substrate is called floating respiration.

Reason (R) : Respiration involving carbohydrates and fats as respiratory substrate is called protoplasmic respiration.

In the light of the above statements, choose the correct answer from the options given below

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R

Assertion (A) : Root nodules of legumes are internally pinkish or red coloured.

Reason (R) : The legume root nodules contain leghaemoglobin.

In the light of the above statements, choose the correct answer from the options given below