NEET Important Questions and Answers Download For Free PDF

NEET Important Questions- Download For Free

Things You Need to Know About NEET Important Questions 2021!

Any student aspiring to become a doctor needs to appear for the NEET examination as he/she can get admission to the medical college as per the ranks. It is crucial to know about the questions of NEET as most students fail to crack the exam due to the lack of knowledge. To get a grasp of the question paper easily, hence we the team live learns help you that one should go through the whole syllabus of the exam and note down the chapters covered for each subject in the examination. Students can also download the sample question papers and start solving them. It can be the best way for one to check the pattern.

1. Following is not a derived property of powder:

(a) Surface area 

(b) Particle size

(c) Bulk density 

(d) None

ANS:- C

2. Following is not the method for determining the surface area of particles:

(a) Adsorption method

(b) Mercury displacement method

(c) BET method

(d) Air permeability method

ANS:-D

3. Following is related to the air permeability method:

(a) Kozeny Carman equation

(b) BET equation

(c) Kelvin equation

(d) Stocks’ equation

ANS:-A

4. Kelvin equation is related to the

(a) Particle size analysis

(b) Pore size analysis

(c) Surface area analysis

(d) Sedimentation

ANS:-B

(a) Compressibility index

(b) Hausner’s ratio

(c) Angle of repose

(d) Bulk density

ANS:- D

6. What is the Hydrogen Deficiency Index (HDI) value for toluene?

(a) 1 

(b) 2 

(c) 3 

(d) 4

ANS:- D

7. In NMR, the aromatic proton resonate in a characteristic narrow range at:-

(a) 6.5 – 8.0 

(b) 11.0 – 12.0 

(c) 2.0 – 4.0 

(d) 0.7 –  1.3

ANS:-A

8. The difficulties of long elution time and poor resolution of complex mixtures are observed in elution analysis. These difficulties can be overcome by modification of elution analysis, known as:-

(a) Isocratic-elution analysis 

(b) Gradient-elution analysis

(c) Displacement analysis 

(d) Frontal analysis

ANS:- B

9. Materials whose consistency depends on the duration of shear, as well as on the rate of shear, exhibit:-

(a) Rheopexy 

(b) Thixotropy 

(c) Viscoelasticity 

(d) Plasticity

ANS:- B

10. Which of the following solutions are more likely to have the same osmotic pressure? Solutions of:

(a) Diluted nonelectrolytes with the same molal concentration

(b) Concentrated nonelectrolytes with the same molal concentration

(c) Diluted electrolytes with the same molal concentration

(d) Concentrated electrolytes with the same molal concentration

ANS:- A