Basic Science : Tools Techniques QUESTIONS AND ANSWERS :: part5 : 21 to 25
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
21.Which is false? |
| Electrophoresis can help separate proteins |
| Image formed by compound microscope is vertical and erect |
| An angstrom is one-hundredth of a micron |
| Unstained living cells can be studied with the help of phase-contrast microscope |
22.DNA synthesis can be measured by estimating incorporation of radio-labelled |
| Uracil |
| Ribose sugar |
| Thymidine |
| Adenine |
23.Intact chloroplasts of green cells can be isolated with the help of |
| Alcohol |
| Acetone |
| Carbon disulphide |
| Sugar solution |
24.Fuelgen reaction involves |
| Reactions of deoxyribose sugar with leucofuchsin |
| Removal of purines by hydrolysis |
| Reaction of free aldehyde groups with Schiff’s reagent |
| Both B and C |
25.Electron microscope is more advantageous than light microscope because it |
| Requires no light |
| Has higher magnification |
| Gives depth focus |
| Uses vacuum |
More Tools Techniques QUESTIONS AND ANSWERS available in next pages
-
Health is the greatest gift, contentment is the greatest wealth -Buddha
- TNTET 2021 - Practice
- SSC CGL 2021 - Practice
- TNPSC Group 2A 2021 - Practice
- IIT JEE
- IIT JEE Q&A
- TNPSC Answer Keys
- TNPSC Group 2 Syllabus
-
TNPSC Q&A
- Online Tests - TNPSC
- Online Tests - GK
- IBPS 2020-2021
- Online Tests - Bank
- Online Tests - RRB NTPC
- Online Tests - UGC NET
- Online Tests - TANCET
- Online Aptitude Test
-
Engineering
-
Programming
-
Basic Science
-
Quiz
- Plus Two Question Papers
- SSLC Question Bank
-
Aptitude Tests
-
Logical Reasoning
-
General Knowledge-Hindi
-
Indian History MCQ
-
Indian Geography MCQ
-
Indian Civics MCQ
-
Indian Economics MCQ
-
CTET Biology MCQ
-
CTET Chemistry MCQ
-
CTET Physics Solved MCQ
-
Arithmetic Tests
- Press Release
- FAQ
- Coaching Centres
- TNPSC Group 1 Syllabus
-
TNPSC Group IV Syllabus
- TRB 2017 in English PDF
- TRB 2017 in Tamil PDF
- TET
- TNTET
Identify your problems but give your power and energy to solutions- Tony Robbins
