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Calcutta University Question Paper

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Name of the Examination : Calcutta University Examination

Paper: First Paper

Year : 2021

Full Marks: 100

Subject : Botany (H)

Category : Calcutta University Question Paper

Calcutta University Botany Honours Paper

T(I)-Botany-H-1

2021
BOTANY — HONOURS
First Paper
Full Marks : 100

The figures in the margin indicate full marks.

Candidates are required to give their answers in their own words

as far as practicable.

Module – I

1. Answer the following questions : 2×5

(a) Name two cyanobacteria used as biofertilizer.

(b) What is raphe? How does it differ from pseudoraphe?

(c) Name one potential source of -carotene. Mention one important use of it.

(d) What are the differences between pilli and fimbriae?

(e) What is glycocalyx? State one of its important functions.

2. (a) Comment on the vegetative reproduction of Chara. 5

Or,

Comment on the ultrastructure of diatom frustule. 5

(b) Name a plant and an animal virus. Why it is difficult to control plant virus? 2+3

Or,

What is plasmid? Write a concise note on bacterial plasmid. 1+4

3. (a) (i) What do you mean by alternation of generations? Describe the life cycle of Ectocarpus with suitable illustrations. Mention the type of alternation of generations found in this genus. 2+7+1

(ii) What is the significance of multiple membrane of algal plastids? What is Gaidukov’s phenomenor? 3+2

Or,

(i) Write auxospore formation in Centrales with illustrations.

(ii) Give a concise report on evolution of sex in Algae.

(iii) Write a short note on algal toxins. 5+5+5

(b) (i) Write down the differences between Gram(+ve) and Gram(–ve) bacterial cell wall.

(ii) Discuss the steps of endospore formation with labelled sketches.

(iii) Mention the microbial source and use of α-amylase and dextran. 5+5+[(1+11⁄2)×2]

Or,

(i) What do you mean by competence? How does natural competence differ from induced one?

(ii) What is meant by plasmid caring? State its importance. Explain the phenomenon of rolling

circle model of DNA replication. (2+2)+(4+2+5)

Module – II

4. Answer the following questions : 2×5

(a) What is Rhizomorph? Give one example.

(b) Define necrotrophy. Give one example.

(c) What is mono and dikaryotic mycelium?

(d) What do you mean by endemic disease? Write one example.

(e) What are pathogenesis and pathogenecity?

5. (a) What do you mean by parasexuality? Write the significant properties of parasexual cycle. Mention the steps involved in a parasexual cycle. 11⁄2+11⁄2+2

Or,

Write a note on industrial production of ethanol and cheese. 5

(b) Comment on the role of phytoalexin and pathogenesis-related (PR) proteins in defence mechanism of plants. 21⁄2+21⁄2

Or,

Distinguish between fission yeast and budding yeast. How is bud scar different from birth scar? 5

6. (a) (i) Describe in brief with neat sketches, the sexual phase of the life cycle of an endobiotic fungus you have studied.

(ii) Why mushrooms are suitable diet for diabetic patients? Describe the process of spawn preparation and spawning method with reference to cultivation of Pleurotus. 8+(2+5)

Or,

(i) State economic importance of Mucor. Distinguish between gametangial contact and copulation.

(ii) Write a concise account of different forms of asexual spores in fungi with suitable diagrams and examples. (5+2)+(4+2+2)

(b) Name the causal organism, mention the characteristic symptoms and chemical control measures of the following diseases :

Late Blight of potato and Black stem rust of wheat. (1+31⁄2+3)×2

Or,

Distinguish between host specific toxin and non host specific toxin with example. How is Koch’s postulate not applicable in case of certain diseases? Give example. What is the causal organism for stem rot of Jute? 5+5+3+2

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Calcutta University Question Paper 2021:

The University of  Calcutta takes the entrance exam for selecting candidates. But now days CU published merit list according to obtain marks in previous exam. If any college takes entrance exam in order to admission then students should practice his/her subjects from previous year question paper as our website uploaded several years of question paper you will find in “page” name “CU” in our website. Therefore, all the students must download the Calcutta University Question Paper in PDF from this website or you can download question paper from official website of CU. Previous year question paper will help you to know the pattern of Calcutta university question paper. It can surely help you that what type of question can come in the admission test of CU or other exam like sem ester examination in CU. Therefore, it is very important for all the students to download.

Download Calcutta University Question Papers Last 10 Years in PDF.

Last 10 years Question Paper will help you to prepare for your upcoming Calcutta university examinations. You can download all subjects question paper for general and honours courses here. All papers coded like GE, CC-I, CC-II all these types of question paper you can download from this website as we upload all papers.

You can also download Old Question Papers of Semester Exams will help you to prepare the important topics which are recurrent in the exams. Therefore, in this content, we are giving full description on Calcutta University Question paper.

Question Papers of Calcutta University

The interested candidates who want to study any course from the university must fill the Calcutta University Application Form 2021.  However, the admission for Graduate (Honours and General), Postgraduate and Ph.D. courses is on the basis on written entrance exam. So, the candidates should  practice well for the entrance examination by solving Calcutta University MA Entrance Exam Question Papers in order to score good marks in the exam. Therefore, in this content, we are giving all important details regarding the Calcutta University Model Papers and general instructions for the candidates. So, it will surely help the students to get good marks in exam as well as in semester exam.

Therefore , interested candidates who want to download the question paper of Calcutta university all categories examination can download question paper easily by just clicking on “CLICK HERE” text which is given below. Apart  from all question papers you will get sample papers for practice.

How to Download Question Papers of Calcutta University 2021?

It is very easy to get question paper of Calcutta university all examination. You can download all courses question paper Calcutta  University BA(General & Hons)/B.Sc (General & Hons)/B.Com (General & Hons)/MA/Msc/M.Com

Entrance Model Papers are available in PDF format. Therefore, the candidates can download the previous year question papers and last 10 years question paper of various courses here or from the official website of the university. However, if you want to get good marks in exam then you should start focus on previous year question paper and start solving each paper of subject by himself/herself. Because these question papers are really beneficial for the students to know the actual pattern of the question paper and the important topics for the examination. Also, the candidates can download the Calcutta University Question Papers from the official website of the university.

 

If you to download Question Paper of Calcutta University from official website of Calcutta University you need to follow these steps given below

How To Download Calcutta University Question Paper :

·        At First you have to visit the official website of Calcutta University and click on the section of  “Students Corner”

·        Then search for the Entrance exam and semester wise question papers you want  along with the subject.

·        After that click on the link , you are able to download the question papers.

·        So, in the next step, you will find the link on the same page to download the question paper official site of Calcutta University.

·        Click on the download link and wait for while and find out the document

·        Finally, the candidates can access the question papers from their documents. Moreover, they should practice those question paper in order to secure a good rank in the examination.

Model test papers or previous year question paper are very important for those students who are currently a part of university. As they get lots of information about the pattern and get full knowledge of question paper pattern. However,  students who are in part of any course in college which is under Calcutta University will get all pattern regarding question paper of CU.

So, if a candidate prepares himself/herself  carefully through practicing model test papers and previous year question papers, then his/her chances of getting good marks increases. Therefore question papers are meant to make the candidates aware of the exam pattern for their upcoming examination. It is also increases the knowledge of  time according to question numbers. Therefore, the students need to pay a full attention to solve the previous year question papers for the entrance exam.

Download question Paper in PDF Click Here

If you regularly solving the previous year question or model question paper, it will surely enhance your confidence level.

Therefore, the aspirants need to manage the time while practicing for the exam. Also, Time Management helps in scoring more marks and ultimately securing a good rank in the merit list. Therefore, the candidates must prepare by solving the Calcutta University Question Papers before appearing for the main exam.

Therefore , if you follow this steps of study move carefully or gradually it will sure help you to get secure marks in entrance exam as well as semester exams.