NIOS Class 10 Science of Technology Solved Assignment  2020-21 ,  NIOS Class 10 Science of Technology (212) Solved Assignment  2020-21, NIOS Class 10^th Solved Assignment 2020-21, NIOS Solved Assignment, NIOS Assignment 2020-21  As we know Nios Tutor Marked Assignment is compulsory for Nios class 10th solved assignments and class 12th solved assignments, students of National Institute of Open Schooling Board. Learner has to solved Assignments of nios open board as per given guidelines in NIOS TMA Books. It contain 20% Marks of theory papers so this is most important to Students make nios assignment 2021 very carefully to get maximum marks in mark-sheet.

NIOS Class 10 Science of Technology Solved Assignment 2020-21

Note : (i) All question are compulsory. The Marks allated for the respective questions are mentioned against each question

(ii) Write your name, enrollment numbers, AI name and subject on the first page of the answer sheet.

Note : All questions are compulsary. The marks allotted for each question are given beside the questions.

Write your name, enrollment numbers, AI name, subject on the top of the first page of the answer sheet.

1. Answer any one out of the following questions in about 40-60

Mention the factors responsible for variation in forces of attraction between any two celestial objects in the universe. (See Lesson-11)

Explain thermal expansion process with the help of diagram and two suitable examples from daily life. (See Lesson 14)

2. Answer any one out of the following questions in about 40 to 60 words.

(a) Write the formula of the compounds. (See Lesson-3)

(i) Ca²⁺               PO₄ ^3–

(ii) NH₄ ⁺                    CO₃ ^2–

(iii) Al³⁺              SO₃ ^2–

(iv) C⁴⁺                Cl^-

(b) Complete the following reactions. (See Lesson-4)

(i) Mg + CuSO4

(ii) Pb(NO3 ) 2

(iii) Ag + FeSO4

(iv) 2FeSO4 (s)–

3. Answer any one out of the following questions in about 40 to 60 words

(a) There are some unspecialized cells in our body which have capacity to undergo mitosis and can redivide to produce number of identical cells. Name these types of cells and from where are these cells obtained in an embryo and adults. (See Lesson-21)

(b) (i) If the cerebellum is not functioning properly, which activities of our body would get affected? (See lesson-23)

(ii) Which part of the brain controls all involuntary actions? (See lesson-23)

4. Answer any one out of the following questions in about 100 to 150 words.

(a) You select any one device for sound communication other than independent, oral or printed communication and explain its working with the help of diagram. (See Lesson 18)

(b) (i) Explain the following: (See lesson-4)

·        Ionic compounds conduct electricity in molten state but covalent compounds cannot conduct electricity in molten state.

·        The melting point of naphthalene is 353.4K the melting point of sodium chloride is 1074K.

(ii) Explain Redox Reaction with example.

5. Answer any one out of the following questions in about 100 to 150 words.

(a) A group of tall, elongated cells having cilia at their free ends, are found in the inner lining of the stomach and intestine. Name these tissues these and also mention their functions in the body? (See Lesson-21)

(b) A person is suffering from muscular pain, internal bleeding, impaired digestion and severe colic pain. Answer the following– (See Lesson-32)

(i) Name the disease this person is suffering from and its causative organism.

(ii) What was the possible mode of transmission of this disease?

(iii) How can it be prevented?

(iv) What type of drugs can be suggested by a doctor for its treatment?

6. Prepare any one project out of the given below.

(a) Write a note on distribution of electric energy for household purposes. Make a household circuit that shows current coming from a pole to your room and explain role of earth wire, socket, switch and fuse as well. You can take help of various books/magazine/Internet as well as your Science & Technology despatch-1.

(c) Visit nearby school or college laboratory and collect information about some of the chemicals that are used in the laboratory. Answer the following–

(i) How will you differentiate between organic and inorganic chemicals?

(ii) Name the functional group present in ethanol.

(iii) Name the allotropic forms of carbon.

(iv) How will you differentiate between alcohols and carboxylic acids?

(v) How will you differentiate between saturated and unsaturated hydrocarbons

(vi) CO₂ is an organic or inorganic compound?

How to write Nios Tutor Marked Assignment

Use A4 Size Ruled Paper (One Side Lining, one Side Plain)

Do not copy word to word from your textbook, you are supposed to do some external research.

Write the answers in your own handwriting.

Obey the word limits asked in questions.

 Use the Heading and bullet points to explain your views.

Make Headings and points with a Dark pen.

 Make a proper cover page on the top and then attach question paper and then your answer sheets.

 

NIOS Assignment 2020-21

It develops a regular study habit which will help you to become a self-learner.

You can get to know about the subject-matter more clearly.

Enhances your writing practices which gradually helps in your final exam preparation.

You can get to know about your progress in the Course Module/Subject you have opted for.

It also helps you to maintain contact with the subject teacher at your Accredited Institution and take appropriate guidance in your studies.

 

How to get Good Marks in the Assignment of NIOS 2021?

Before you write the assignments, it is very important that you go through the instructions carefully. Here, we have shared some of the tips on how to write down the assignments.

Candidates must write down the assignment in your own handwriting.

Use A4 Size Paper to write down the assignments.

Use a Blur or Black Pen to write down the assignment.

Keep the NIOS Assignment Coverpage simple and clear.

Make sure that your answer must be clear, brief, and to the point.

Add Diagrams if required in the answer.

Do not strike off or scribble on any errors.

Use a Ruled Paper and leave sufficient spaces within each answer.

Answers should be authentic and plagiarism free and must be within the word limit.

Make separate assignments for each course.

 

NIOS Assignment Front Page

NIOS Assignment 2020 is out there for Secondary, Senior Secondary, and D.El.Ed Courses. The National Institute of Open Schooling is liable for conducting the Assignment Process for the candidates. Admitted Candidates can download the Assignment Questions and FrontPage Sample here. The Authority is liable for D.El.Ed and Secondary and Senior Secondary Assignment Submission. The D.El.Ed stands for Diploma in education which may be a two-year course that trains and enhances the teaching skills of untrained teachers. Whereas, Secondary and Senior Secondary stands for 10th and 12th class respectively. The NIOS Assignments also are referred to as Tutor Marked Assignments. So, during this article, we've provided complete details of the NIOS TMA. Therefore, undergo the article carefully.

 

 

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