Read and download CBSE Class 8 Science Activity A Friend Indeed in NCERT book for Class 8 Science. You can download latest NCERT eBooks chapter wise in PDF format free from Studiestoday.com. This Science textbook for Class 8 is designed by NCERT and is very useful for students. Please also refer to the NCERT solutions for Class 8 Science to understand the answers of the exercise questions given at the end of this chapter
NCERT Book for Class 8 Science A Friend Indeed
Class 8 Science students should refer to the following NCERT Book A Friend Indeed in Class 8. This NCERT Book for Class 8 Science will be very useful for exams and help you to score good marks
A Friend Indeed NCERT Book Class 8
MICRO ORGANISMS : FRIEND AND FOE
“Ma – you kept a bowl of milk in the kitchen last night – but now there is no milk”. How did it turn into curd!". – exclaimed Vishnu. Ma smiled" 'Beta, I added a small amount of curd to milk last night – so it turned into curd”. “But how did it happen?” – enquired Vishnu. Vishnu's mother, a teacher of biology, explained how milk gets converted into curd by the action of friendly microbe called “Lacto bacillus bacteria”. They multiply fast when a small amount of curd is added to lukewarm milk. She also explained that proper temperature (app. 30°C) has to be maintained for multiplication of the bacteria. She encouraged Vishnu to experiment it himself:
You will need :Curd Sample, a compound microscope, slide, cover slip, needle, dropper, methylene blue stain, filter paper.
What to do
• Take a drop of the 'Whey' i.e. the watery, part separated from the curd sample, on a clean glass slide.
• Add a drop of methylene blue stain and allow it to stand for 2-3 min.
• Lower a coversip gently with the help of a needle on the material.
• Observe the slide under the low power of compound microscope
Observation :
Minute rod shaped blue coloured cells of lactobacilli bacteria are found under the microscope.
What I learnt:
By adding a small quantity of curd or its whey to luke warm milk the lacto bacilli bacteria are introduced to curdle the sample of milk. These bacteria ferment the milk sugar lactose into lactic acid and form curd.
Variation :
You could add few drops of your favourite food essence like pineapple or strawberry and the relevant food colour to the sample of lukewarm milk before adding curd to it, to prepare flavoured curd.
Please refer to the link below - CBSE Class 8 Science Activity A Friend Indeed
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| NCERT Class 8 Science Reaching The Age Of Adolescence |
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| NCERT Class 8 Science Friction |
| NCERT Class 8 Science Sound |
| NCERT Class 8 Science Chemical Effects Of Electric Current |
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| NCERT Class 8 Science Stars And The Solar System |
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Science NCERT Book Class 8 A Friend Indeed
The above NCERT Books for Class 8 Science A Friend Indeed have been published by NCERT for latest academic session. The textbook by NCERT for A Friend Indeed Science Class 8 is being used by various schools and almost all education boards in India. Teachers have always recommended students to refer to A Friend Indeed NCERT etextbooks as the exams for Class 8 Science are always asked as per the syllabus defined in these ebooks. These Class 8 A Friend Indeed book for Science also includes collection of question. We have also provided NCERT solutions for Class 8 Science which have been developed by teachers of StudiesToday.com after thorough review of the latest book and based on pattern of questions in upcoming exams for Class 8 students.
NCERT Book Class 8 Science A Friend Indeed
The latest NCERT book for A Friend Indeed pdf have been published by NCERT based on the latest research done for each topic which has to be taught to students in all classes. The books for Class 8 Science A Friend Indeed are designed to enhance the overall understanding of students. All Class 8 NCERT textbooks have been written in an easy to understand language which will help to enhance the overall level of Class 8 students.
A Friend Indeed NCERT Book Class 8 Science
As the students of Class 8 need the books for their regular studies, we have provided all NCERT book for A Friend Indeed in pdf here for free download. All pdf NCERT books available here for Class 8 will help them to read on their mobile or computers. They can take a print of the Class 8 Science NCERT Book A Friend Indeed pdf easily and use them for studies. The NCERT textbooks for Class 8 Science have been provided chapter-wise and can be downloaded for free of cost.
Class 8 Science A Friend Indeed NCERT Book
Along with Science Class 8 NCERT Book in Pdf for A Friend Indeed we have provided all NCERT Books in English Medium for Class 8 which will be really helpful for students who have opted for english language as a medium. Class 8 students will need their books in English so we have provided them here for all subjects in Class 8.
Class 8 A Friend Indeed NCERT Book Science
For Class 8 A Friend Indeed we have provided books for students who have opted for Hindi and Urdu medium too. You can click on the links provided above to download all Hindi medium Class 8 Science A Friend Indeed book in easy to read pdf format. These books will help Class 8 Science students to understand all topics and also strictly follow latest syllabus for their studies. If you are looking to download the pdf version of Class 8 Science A Friend Indeed textbook issued by NCERT then you have come to the correct website
You can download the NCERT Book for Class 8 Science A Friend Indeed for latest session from StudiesToday.com
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Yes, the NCERT Book issued for Class 8 Science A Friend Indeed have been made available here for latest academic session
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