Last Year Question Paper Class HS 2nd Year Assam AHSEC final 2021

Last Year Question Paper Class HS 2nd Year Assam AHSEC final 2021: A collection of Previous year question paper of Board Exams is the best way to analyse your preparation levels for your class 10 Board Exam and class 12 Board Exam. Here you can find collections of Last Year Question Paper Class HS 2nd Year Assam AHSEC final 2021.

While preparing for your Board Exams, if you are stuck at a stage where you are not sure what exactly you should study and if you are unaware of question pattern. And if you want to know how to prepare for Board Exams here is the solutions and your problem is over as we've tried to provide you different questions type of Board Model Questions Paper.

Benefits of solving previous year's questions papers

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After solving the paper, try to check your own paper so that you get to know where you're exactly making mistakes. Okay so where exactly are you making mistake you will get to know so check your own paper. Question papers should be solved and question paper solving is actually very very important. 

Assam 12th Important Question 2021 AHSEC HS Question Paper 2021

Assam Higher Secondary Education Council (AHSEC) Guwahati, is going to conduct Higher Secondary (12th Class) Board Exam 2021 in the month of May 2021. The edunation19 is always updated with our Board exams tips and tricks, Model Questions Paper for Board Exam, Sample Paper for Board Exams etc. 

AHSEC HS 2nd year (12 th Class) Important Question Paper 2021

If you are Searching for Assam HS Second Year Model Paper 2021, then you are at the right place. Here we have listed all subject Study Materiel for Download Pdf format, Here you can Download Assam HS Question Paper 202. You can find Last year's Board Questions Papers from Science, Arts, Commerce streams. Here you can find all the AHSEC HS 2nd year (12 th Class) Important Question Papers. 

Sample Questions Papers for HS 2nd year (Class 12) Board Exam 2021

Here you can see the Board Questions Paper from the class 12 (HS 2nd year) AHSEC 2019 for an example. Of course you won't find any previous year matching question paper because a lot of portion is actually being reduced due to Covid 19. But if you practice sample questions papers, it will improve you speed and confidence, believe me it will help you a lot really. 

2019

BIOLOGY

(Theory)

Full Marks : 70

Pass Marks : 21

Time : Three hours

The figures in the margin indicate full marks for the questions.

PART–I (BOTANY)

MARKS – 35

Page No. 1 – 6

PART–II (ZOOLOGY)

MARKS – 35

Page No. 7 – 11

Use separate Answer scripts for Part-I (Botany) and Part-II (Zoology) 

Part–I (Botany)

1.      Name the edible part of an apple.        1

2.      Why grafting is not possible in monocot plants ?      1

3.      Name the micro-organism that converts milk to curd.        1

4.       What is the function of DNA ligase ?      1

5.       What is missing link ? Describe briefly with an example.         1+1=2

Or 

           Define Recapitulation theory with examples.        2

6.        What is transgenic plant ? Mention two advantages and one example of transgenic plant.          1+1=2

Or 

            Write on the importance of biopiracy.         2

7.         Differentiate allelopathy and antibiosis.      1+1=2

Or 

            What is age pyramid ? Draw the expanding age pyramid and label its parts.         1+1=2

8.        Write short note on the following : (any one) 2

                 (i) Gene gun

                 (ii) Tools of genetic engineering

                 (iii) Gene cloning

9.          What are the conditions of biopatent ?          2

Or 

            Write about the function and principle of ELISA technique.          2

10.        Write scientific name and utility of the following plants : (any two)          1+1=2

                       (a) Teak

                       (b) Indian ginseng

                       (c) Chinchona

                       (d) Sissoo

11.         Write briefly the chemical origin of life on the earth.                 3

Or 

               “Survival of the fittest”, explain the statement with the help of Darwin’s theory.          3

12.           What is tissue culture ? Write the advantages of tissue culture.         1+2=3

Or

               What is meant by somatic hybridization ? Give an account on necessary steps of the method with an example.                  1+2=3

13.           Define fermentation and describe briefly how alcohol is produced in this process.        1+2=3

Or

                 What are biopesticides ? Write briefly on biopesticides with examples.         1+2=3

14.           What is double fertilization ? Describe the process with diagrams from the stage of megaspore formation to zygote formation.          1+4=5

Or 

                Why meiosis is essential at the time of sporogenesis in angiosperms ? Explain the process of development of male gametophyte in angiosperms with suitable diagrams.         1+4=5

15.           What is genetic engineering ? Describe the major steps of gene cloning technology. 1+4=5

Or 

                 Write an account of biotechnological applications in medicine.          5

Part–II (Zoology)

1.          Fill in the blanks : (any two)         1×2=2

                 (a) Anterior part of sperm is called _________________.

                (b) Archaeopteryx is a connecting link between reptiles and _________________. 

                (c) Genetic constitution of an organism is called  _________________.

                (d) Cancer causing viruses are known as  _________________.

2.            Answer any two :          1×2=2

                      (a) What is interspecific hybridization ?

                      (b) What are the restriction enzymes ?

                      (c) What is the first infective stage of malarial parasite in man ?

                     (d) What is ex-situ conservation ?

3.             Answer any four :         2×4=8

                  (a) What are the significance of crossing over ?

                  (b) Write briefly on haemophilia.

                  (c) What do you mean by adaptive radiation ?

                  (d) Write the various components of immune system.

                  (e) Write the various causes of water pollution.

                  (f) What are the factors of population growth ?

4.           Write differences between :         (any two) 2×2=4

                     (a) Parturition and lactation

                     (b) Down's syndrome and Klinefelter's syndrome.

                     (c) Vaccination and immunisation

                     (d) Convergent evolution and divergent evolution

5.                Draw a neat labelled diagram of a human sperm.             2+1=3

Or 

              Diagrammatically express the Watson-Crick's semiconservative models of DNA replication.           3

6.           What are sexually transmitted diseases ? Write its various types of preventive measures.           1+2=3

Or 

               Write the various methods of cancer detection and diagnosis.            3

7.             Describe about the Pedigree analysis.                 3

Or 

                 Describe about the 'greenhouse' effect.              3

8.             Describe the Mendel's laws of inheritance.         5

Or 

               'DNA is a genetic material', explain the statement with the help of Alfred Hershey and Martha Chase experiment.            5

9.             Describe the process of the flow of energy in different trophic level of an ecosystem.          5

Or

What is ecological pyramid ? Explain different types of ecological pyramid with diagram. 2+3=5

AHSEC HS 2nd Year Model Paper 2021 

Part–I (Botany)

(প্ৰথম অংশঃ উদ্ভিদবিজ্ঞান)

1. Name the edible part of an apple. 1

    আপেল এটাৰ খাদ্যংশৰ নাম লিখা।

2. Why grafting is not possible in monocot plants ? 1

     একবীজপত্ৰী উদ্ভিদত জোৰা কলম সম্ভৱ নহয় কিয় ?

3. Name the micro-organism that converts milk to curd. 1

     গাখীৰক দৈ লৈ ৰূপান্তৰ কৰা অণুজীৱটোৰ নাম লিখা।

4. What is the function of DNA ligase ? 1

     ডি এন এ লাইগেজৰ কাম কি ?

5. What is missing link ? Describe briefly with an example. 1+1=2

     ধাৰাবাহিকতা ৰক্ষাকাৰী মানে কি ? এটা উদাহৰণেৰে চমু বৰ্ণনা দিয়া

Or / অথবা

     Define Recapitulation theory with examples. 2

     উদাহৰণসহ পুনৰাবৃত্তি মতবাদৰ সংজ্ঞা দিয়া।

6. What is transgenic plant ? Mention two advantages and one example of transgenic plant. 1+1=2

     বংশান্তৰিক উদ্ভিদ মানে কি? বংশান্তৰিক উদ্ভিদৰ দুটা সুবিধা আৰু এটা উদাহৰণ দিয়া।

Or / অথবা

Write on the importance of biopiracy. 2

জৈৱস্বত্বাপহৰণৰ গুৰুত্বৰ বিষয়ে লিখা ।

7. Differentiate allelopathy and antibiosis. 1+1=2

    এলিল'পেথি আৰু এণ্টিবায়চিছৰ পৃথকীকৰন কৰা।

Or / অথবা

What is age pyramid ? Draw the expanding age pyramid and label its parts. 1+1=2

বয়স পিৰামিড মানে কি ? বিস্তুাৰন পিৰামিডৰ চিত্ৰ আঁকি তাৰ অংশবোৰ চিহ্নত কৰা।

8. Write short note on the following : (any one) 2

     চমু টোকা লিখাঃ (যি কোনো এটাৰ)

(i) Gene gun

জিন বন্দুক

(ii) Tools of genetic engineering

      জিনীয় অভিযন্ত্ৰণৰ আহিলা

(iii) Gene cloning

       জিন ক্ল'নিং

If you want HS second year Board's questions papers as cited above in this post for example, I have tried to present here in pdf format. 

HS Second Year Question Paper (AHSEC) 2021 PDF Download

For downdloading PDF format of AHSEC Board Questions Papers click here

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I wish you the very best for the forthcoming Board Examinations !