CSIR NET Chemical Science: Macromolecules - Most Important Questions! (Download PDF)

By Renuka Miglani|Updated : July 15th, 2021

Hi Gradians,

It will not be a new thing for you if we say that Gradeup is considered as the synonym for success. For the past 5 years, At BYJU'S Exam Prep we have been promoting talented candidates of the CSIR-NET category to the path of success. BYJU'S Exam Prep has been an integral part of the preparation journey of many Aspirants.

As we all know, the CSIR-NET exam is very near and there is no time left for revision. At this point of time, you must be seeking some ready-made authentic short revision notes or some important questions to practice just before the exam. How will you react if you get all these study materials at one place? It will be beneficial for you at this time right! We at BYJU'S Exam Prep comes up with the Most Important Questions on Macromolecules for Chemical Sciences to help you score good marks which have been meticulously designed by our experienced subject-matter experts.

So what are you waiting for? Scroll down the article below and start study for the CSIR NET Exam, these questions will be fruitful during last-minute revision to fetch more marks in the exams. Students can also download it as a PDF file and save it for future purposes.

We have been providing short study notes for the Chemical Science subject which can be checked here. We have experienced immense love and support from all of you through these short notes in the CSIR-NET category, and we hope you all continue to support us in the same way!

Hi Gradians,

It will not be a new thing for you if we say that Gradeup is considered as the synonym for success. For the past 5 years, At BYJU'S Exam Prep we have been promoting talented candidates of the CSIR-NET category to the path of success. BYJU'S Exam Prep has been an integral part of the preparation journey of many Aspirants.

As we all know, the CSIR-NET exam is very near and there is no time left for revision. At this point of time, you must be seeking some ready-made authentic short revision notes or some important questions to practice just before the exam. How will you react if you get all these study materials at one place? It will be beneficial for you at this time right! We at BYJU'S Exam Prep comes up with the Most Important Questions on Macromolecules for Chemical Sciences to help you score good marks which have been meticulously designed by our experienced subject-matter experts.

So what are you waiting for? Scroll down the article below and start study for the CSIR NET Exam, these questions will be fruitful during last-minute revision to fetch more marks in the exams. Students can also download it as a PDF file and save it for future purposes.

We have been providing short study notes for the Chemical Science subject which can be checked here. We have experienced immense love and support from all of you through these short notes in the CSIR-NET category, and we hope you all continue to support us in the same way!

Macromolecules - Most Important Questions! (Download PDF)

1. Equal numbers of molecules with M1 = 10,000 and M2 = 100,000, are mixed. Calculate

  1. 55000
  2. 65000
  3. 70000
  4. 75000

  1. 2.0 × 105
  2. 4.0 × 105
  3. 6.0 × 105
  4. 5.0 × 105

3. A sample of serum globulin is placed in an ultracentrifuge which is operating a 50,000 rotations per minute (rpm). If the sedimentation coefficient of this protein is 7.1 × 10–13 s, how far will the solution boundary move in 30 minutes at a distance of 6.5 cm from the axis of rotation?

  1. 0.312 cm
  2. 0.229 cm
  3. 0.456 cm
  4. D.0.112cm

4. A protein sample consists of an equimolar mixture of haemoglobin (M = 15.5 kg mol–1), ribonuclease (M = 13.7 kg mol–1) and myoglobin (M = 17.2 kg mol–1). Calculate the mass-average mass

  1. 16.7
  2. 15.6
  3. 23.2
  4. 14.5

5. A solution contains equal number of particles with molar and 10,000 g mol–1 and 20,000 g mol–1, respectively. Calculate.

  1. 17266.45
  2. 16666.6
  3. 23412.3
  4. 18999.9

6. A suspension contains equal masses of particles with molar masses 10,000 g mol–1 and 20,000 g mol–1, respectively. Calculate

  1. 14,456.6 g mol–1
  2. 19,999.9 g mol–1
  3. 15,555.5 g mol–1
  4. 13,333.3 g mol–1

7. Equal masses of polymer molecules with M1 = 10,000 and M2 = 100,000 are mixed. Calculate.

  1. 55000
  2. 45000
  3. 35000
  4. 88000

8. The intrinsic viscosity of myosin is 217 cm3 g–1. Calculate the approximate concentration of myosin in water which would have a relative viscosity of 1.5.

  1. 6.3 × 10–3
  2. 7.3 × 10–3
  3. 8.3 × 10–3
  4. 2.3 × 10–3

9. The Mark-Houwink exponent for poly(methylmethacrylate) has the value of 0.69 in acetone. Calculate the value of  that would be obtained with the following molar mass distribution if the sample was studied by the viscosity measurement.

  1. 9.98 × 105
  2. 10.68 × 105
  3. 7.68 × 105
  4. 8.68 × 105

10. A hydroxyacid HO-(CH2)5-COOH is polymerized and it is found that the product has a number average molar mass of 20 000 g mol–1. What is the extent of reaction p?

  1. 39.868
  2. 40.567
  3. 89.456
  4. 49.899

Solutions

 

Answer keys:

  1. A
  2. C
  3. B
  4. B
  5. B
  6. D
  7. A
  8. D
  9. D
  10. A

 

Download Important Questions on MACROMOLECULES - Download PDF Here

Check Out: 

Attempt Free Mega Mock Challenge on 17th & 18th July - Register Here

 

→ If you have any questions feel free to ask in the comments section below.


Best of Luck!!
Sahi Prep hai to Life Set Hai!!
Go BYJU'S Exam Prep

Posted by:

Renuka MiglaniRenuka MiglaniMember since Jan 2021
This article was curated by Renuka Miglani who is an Associate Manager at BYJU'S Exam Prep (CSIR-NET). A PostGrad with an educational background in Nutrition Science, she is an ardent reader & writer. Loves to impart knowledge to students. Being from a Nutrition Science background, she is well aware of the opportunities available and has hared the same in the above article. Stay tuned for more interesting articles from her which will be beneficial for your career.
...Read More
Share this article   |

Comments

write a comment

Follow us for latest updates