NIOS CLASS 12TH Biology (314) SOLVED TMA In English Medium PDF SESSION 2023- 24
Which is Applicable for March/April & October/November 2024 Examination.
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➛ This Nios Tutor Marked Assignment (TMA) is Only valid for 2023-24 Academic Session.
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➛ Total six questions are given by Nios in TMA. All questions have 2 options out of which one has to be selected. In this PDF, we have given you the answer of one option which is better so that your marks will be good.
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1. Answer any one of the following questions in about 40-60 words:
(a) Why do plants not need an Oxygen carrier like the humans in whom Oxygen is carried by Hemoglobin?
(b)Why does it happen that during hot summer months although you drink lot of water or cold drinks, you do not urinate much? Explain.
2. Answer any one of the following questions in about 40-60 words.
(a) Conservation and Management of water has become an urgent step to be taken up by mankind. Write any four methods of such conservation steps.
(b) Which of the following fossils is a connecting link between reptiles and Birds? Briefly
3. Answer any one of the following questions in about 40-60 words.
(a) Which of the following is found in plant cells only? Mitochondria, Endoplasmic
Reticulum, Cell wall and Ribosome.
(b) Outline the diagram of the kidney and briefly describe where ultra filtration occurs in the kidney and which molecules pass during ultra filtration.
4. Answer any one out of the following questions in about 100-150 words.
(a) The teacher said frog is an ectotherm what did she mean? How does frog then survive in the extremely cold seasons?
(b) Because of a blockage in the bile duct of a person, his small intestine was not getting a digestive juice in sufficient amount. His doctor advised him to avoid fatty food. Name the digestive juice in question and state how the juice helps in the digestive process.
5. Answer any one out of the following questions in about 100 to 150 words.
(a) A person has more than normal sugar in blood. He/She excretes a large amount of urine loaded with sugar. What is this due to? Explain?
(b) Some plants in one corner of your kitchen garden are showing poor growth and their leaves are becoming yellow. This could be due to the deficiency of some essential element. Name the essential element whose deficiency is causing this problem and mention why the leaves are turning yellow. Also discuss how are the minerals absorbed by the plants?
6. Prepare any one of the project out of two given below.
a) Visit to the zoo / sanctuary / biosphere reserve / aquarium / bird sanctuary / Biodiversity Park.
Collect your friends make a group and organize a trip to one of the above mentioned places. Carry a camera or mobile to take photographs. You have already learnt how important ‘biodiversity’ is for humans. Our plants and animals are also the country’s heritage. Once you get familiar, you shall enjoy knowing more about their behaviour, adaptations and life cycles.
Take a notebook and note down names of the animals you have seen. Use the internet to know their scientific names and make an album of the pictures of animals you have become familiar with. Observe their behaviour and you may now prepare.
- A power point presentation
- Story book describing their behavior
- Photographic album
- Scrapbook or
- A report on the trip
b) Constructing a greenhouse from scrap material
You are learning a lot about the ‘greenhouse effect’ and global warming. Why not see for yourself how sun rays heat the greenhouse and keep it warm enough for plants to survive in it. You shall need some pieces of glass for transparent plastic sheets, Brown cello tape, cardboard, plastic pipes to circulate water inside the chamber, toy fan to cool the inside.
Assemble all the parts and build the green house. Keep it in the Sun on different days. Note atmospheric temperature from the newspaper and use a thermometer to check the temperature inside the greenhouse that you have created.
Check the temperature from time to time and on different days of the month and prepare a comparative statement of the changes in temperature that you observed.
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Most Important Facts relating to TMA:
➛ This assignment solution is based on the latest session 2023-24.
➛ The Last date of submission of this assignment is 31 January 2024 (For April examination).
➛ The Last date of submission of this assignment is 31 August 2024 (For Oct. examination).
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