Nios Science and Technology(212) Tutor Marked Assignment Questions with their Answers
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Added: August 18, 2021
Website: Nios solved assignment 2022
Nios Science and Technology(212) Tutor Marked Assignment Questions with their Answers . Download Now from- https://www.pkkapri.com/nios-solved-assignment
Note: (i)All questions are compulsory. The Marks allotted for each question are given beside the questions.
(ii)Write your name, enrollment numbers, AI name and subject on the first page of the answer sheet.
(1)Answer any one of the following questions in about 40-60 words.
(a)Meera is visually impaired. She hears a guests conversing with her mother. Just by hearing the voice of the guest she recognised sound which revealed to her that (i) it was a male voice, and (ii) the person was her maternal uncle.
(b)Ram is down with high fever. His mother measures his body temperature to 39°C using a celcius thermometer. Before leaving for the doctor’s clinic she wants to know the value on fahrenheit scale. Help her to convert the temperature on fahrenheit scale.
(2)Answer any one of the following questions in about 40 to 60 words.
(a)An element X has a valency 3+
(i)Write the formula of its phosphide
(ii)Write the formula of the carbonate
(iii)Write the formula of its nitrate
(iv)Write the formula of its Borates
(b)(i)Calculate the number of molecules present in 0.5 mole of water.
(ii)Calculate the formula mass of sodium carbonate dehydrate (Na2CO3–10H2O)
(3)Answer any one of the following questions in about 40 to 60 words.
(a)In the human being, lungs are for respiration, glands for secretion, liver for synthesis and blood for distribution of substances. Name the counterparts in the cell which are the cell organelles responsible for the same functions.
(b)Construct a food chain explaining flow of energy and nutrients in an ecosystem.
(4)Answer any one of the following questions in about 100 to 150 words.
(a)Mass of a body is 25 kg. What is its weight in newton on earth? If the body is carried to a planet whose mass is two times the mass of earth and radius is half that of earth. What will be the mass and weight of the body on the planet? (Take the value of a g on earth as 10 m s-2).
(b)You have visited the laboratory of a school and collected the following. (See lesson 14) (i) Nacl (ii) Ccl4 (iii) 12 (iv) Naphthalene (v) Mgcl2 (vi) Hcl (vii) C2H5OH
Answer the following
(i)How does a ionic bond formed?
(ii)Classify the above chemicals into ionic and covalent compounds.
(iii)Identify the compounds which are soluble in water.
(iv)Which one has higher melting point Nacl or Nepthalene
(v)NaCl (solid) will be a good conductor of electricity or not.
(vi)Classify the above Chemicals into solid and liquid.
(5) Answer any one of the following questions in about 100 to 150 words.
(a)Animals have three types of muscle tissue, striated found in arms etc. unstriated found in lining of stomach and cardiac found it the heart. Mention the characteristics of each which justify their presence in the locations mentioned above.
(b)How do the following contribute towards global warming?
(6)Prepare any one project out of the given below.
(a) Answer the following Questions
(i)What is novel “Coronavirus”?
(ii)List out the symptoms of novel coronavirus.
(iii)What should we do if someone in family gets ill with COVID-19?
(iv)Why it is important to follow the guidelines to prevent transmission?
(v)How can you avoid the risk of infection?
Take some magnets of different shapes, such as bar magnets, house shoe magnets and
magnet. Keep one magnet, say a bar magnet under a thin glass sheet. Sprinkle some iron fillings on the glass sheet while tapping it continuously. Observe the pattern in which iron fillings align themselves. Do you find a definite pattern in the alignment of iron fillings? Take a photograph of this pattern with your mobile phone or draw about 10 – 12 Session 2021-22
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