NIOS CLASS 12TH Biology (314) SOLVED TMA In English Medium PDF SESSION 2024 - 25

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Applicable for:

March/April & October/November 2025 Examinations

• Get expert-prepared and error-free solved Tutor Marked Assignments (TMA) 

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• Includes project work to make your submission 100% complete

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• Covers all six questions with one best option for each

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Questions Covered in This PDF:

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

(a) Imagine you are a scientist discovering a new organism. Which kingdom would you initially place it in, and why? How do you think understanding this classification system can help us learn more about the variety of life on Earth?

(b Arrange the stages of Meiosis I in the correct order: leptotene, zygotene, Pachytene, Diakinesis, Metaphase-I, Anaphase-I, Telophase-I. How does the correct sequence of these stages contribute to the process of cell division, and what is the significance of each stage?

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

(a) State any two activities which will help in sustainable development. Name any
two endangered animals of India.

(b) In the early stages of life's origin, complex molecules arose from simple inorganic
compounds. Can you name two of these large molecules?

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

(a) What are two ways in which mitochondria and chloroplasts are similar?

(b) Describe the process by which nitrogenous wastes are eliminated from the body of a cockroach.

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

(a) Name and briefly state three chemicals in the human body whose concentrations need to be regulated at specific levels

(II) Define the terms below and provide one or more synonymous terms for each:
(i) Poikilotherms
(ii) Homoiotherms.
What is the condition called when a child has difficulty passing stool, characterized by dry and hard feces due to inadequate fiber intake and irregular eating habits, as diagnosed by the doctor? explain it

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

(a) How can we improve the use of cellophane in hemodialysis to help patients, and why do we need to decide whether to use an artery or a vein to take out blood during the treatment, and how does it affect the patient?

(b) How can we apply our understanding of how plants absorb nutrients to improve agricultural practices, and what advantages does hydroponic cultivation offer over traditional soil-based methods?

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

a) This project aims at familiarizing you with the common vegetables and the type of plant modifications they represent. Recall your lesson 6 and take the help of books, your elders computers or any other resource and enjoy completing this project. Visit the nearby vegetable market/your kitchen garden and collect various roots, stems and leafy vegetables so as to study various plant modifications. Study them carefully and take their photographs (No downloads from computer allowed) or make diagrams. Collect at least 5 specimens each from stem, root and leaf modification.

b) Collect from internet/newspapers/magazines/media/help from others or any other source, the weather data for the March-April this year and the previous year. Make a comparative analysis of your collected data and record the changes in temperature and
climate. Global warming is considered to be responsible for climate change. Record your observations and conclusions and explain causes and consequences of global warming. You may relate the collected data to the explanation. You may make a PowerPoint presentation or prepare a written account.

NOTE- You will get the answers of all these questions after purchasing the PDF.


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• Submission deadline:

- 31 January 2025 (For March/April Exam)

- 31 August 2025 (For October/November Exam)

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• Write answers on an A4-size sheet as per the PDF

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