Thursday, August 17, 2017

CBSE PORTAL : CBSE 2017-18 Syllabus Class-12 : Biology

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CBSE 2017-18 Syllabus Class-12 : Biology
CBSE Class-12 Exam 2017 : Delhi Scheme Question Paper, Bio-Technology
CBSE Class-12 Exam 2017 : Delhi Scheme Question Paper, Physical Education
CBSE Class-12 Exam 2017 : Delhi Scheme Question Paper, Bengali
CBSE Class-12 Exam 2017 : Delhi Scheme Question Paper, Punjabi
CBSE Class-12 Exam 2017 : Delhi Scheme Question Paper, Urdu

CBSE 2017-18 Syllabus Class-12 : Biology

Posted: 16 Aug 2017 10:57 PM PDT

CBSE-CLASS-XII-LOGO

CBSE Class-12 Syllabus 2017-18

Subject: Biology

The present syllabus provides the students with new concepts along with an extended exposure to contemporary areas of the subject. The syllabus also aims at emphasizing on the underlying principles that are common to both animals and plants as well as highlighting the relationship of Biology with other areas of knowledge. The format of the syllabus allows a simple, clear and sequential flow of concepts. The syllabus also stresses on making better connections among biological concepts. It relates the study of biology to real life through the use of technology. It links the discoveries and innovations in Biology to everyday life such as environment, industry, health and agriculture. The updated syllabus also focuses on reducing the curriculum load while ensuring that ample opportunities and scope for learning and appreciating basic concepts of the subject continue to be available within its framework. The prescribed syllabus is expected to:

promote understanding of basic principles of Biology;
encourage learning of emerging knowledge and its relevance to individual and society;
promote rational/scientific attitude towards issues related to population, environment and development;
enhance awareness about environmental issues, problems and their appropriate solutions;
create awareness amongst the learners about diversity in the living organisms and developing respect for other living beings;
appreciate that the most complex biological phenomena are built on essentially simple processes; It is expected that the students would get an exposure to various branches of Biology in a more contextual and friendly manner as they study the various units.

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Courtesy: CBSE

CBSE Class-12 Exam 2017 : Delhi Scheme Question Paper, Bio-Technology

Posted: 16 Aug 2017 01:09 AM PDT

CBSE Class-12 Exam 2017 : Delhi Scheme

Question Paper, Bio-Technology

CBSE Class-12 Exam 2017 : Bio-Technology

SECTION – A

1.Natural form of subtilisin enzyme is inactivated by bleach in detergents. How ?

2. In which particular phase of growth of animal cell culture, the cell number begins to increase exponentially ?

3.Pattern of growth in bacteria is different from viruses. How ?

4. Why is strain preservation important in microbial cell culture ?

5.In rDNA technology, what is the advantage of using vectors with polylinkers or multiple cloning sites ?

6. Protein chemists prefer measuring absorbance of samples at 280 nm to estimate protein concentration. Why ?

SECTION – B

7. What are expression vectors ? What kind of promoter should be used in such vectors ?

8. Germplasm conservation through the conventional methods has many limitations. Name any four.

9. Generally, eukaryotic hosts are preferred to express eukaryotic proteins. Why ?

10. Differentiate between structural and functional genomics. (any 2 points)

11. How are Hydrogen bonds created in proteins and when are they strongest ?

12. Properties of proteins decide its purification scheme. Enlist any two such properties.

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CBSE Board Class-XII

सीबीएसई बोर्ड कक्षा-12

CBSE Class-12 Exam 2017 : Delhi Scheme Question Paper, Physical Education

Posted: 16 Aug 2017 01:00 AM PDT

CBSE Class-12 Exam 2017 : Delhi Scheme

Question Paper, Physical Education

CBSE Class-12 Exam 2017 : Physical Education

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Courtesy: CBSE

CBSE Board Class-XII

सीबीएसई बोर्ड कक्षा-12

CBSE Class-12 Exam 2017 : Delhi Scheme Question Paper, Bengali

Posted: 16 Aug 2017 12:50 AM PDT

CBSE Class-12 Exam 2017 : Delhi Scheme

Question Paper, Bengali

CBSE Class-12 Exam 2017 : Bengali

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Courtesy: CBSE

CBSE Board Class-XII

सीबीएसई बोर्ड कक्षा-12

CBSE Class-12 Exam 2017 : Delhi Scheme Question Paper, Punjabi

Posted: 16 Aug 2017 12:44 AM PDT

CBSE Class-12 Exam 2017 : Delhi Scheme

Question Paper, Punjabi

CBSE Class-12 Exam 2017 : Punjabi

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Courtesy: CBSE

CBSE Board Class-XII

सीबीएसई बोर्ड कक्षा-12

Exam Paper

Punjabi

Class-12

CBSE Class-12 Exam 2017 : Delhi Scheme Question Paper, Urdu

Posted: 16 Aug 2017 12:38 AM PDT

CBSE Class-12 Exam 2017 : Delhi Scheme

Question Paper, Urdu

CBSE Class-12 Exam 2017 : Urdu (Core)

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CBSE Class-12 Exam 2017 : Urdu (Elective)

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Courtesy: CBSE

CBSE Board Class-XII

सीबीएसई बोर्ड कक्षा-12

Exam Paper

Urdu

Class-12

Wednesday, August 16, 2017

CBSE PORTAL : CBSE 2017-18 Syllabus Class-12 :Biotechnology

CBSE 2017-18 Syllabus Class-12 :Biotechnology

Posted: 15 Aug 2017 11:44 PM PDT

CBSE-CLASS-XII-LOGO

CBSE Class-12 Syllabus 2017-18

Subject: Biotechnology

An unprecedented growth of human knowledge in the field of Biological Sciences coupled with equally significant developments in the field of technology have brought significant changes into existing social and economic systems. The emerging field of Biotechnology is likely to further enhance the applications of Science and Technology in the service of human welfare. Modern Biotechnology processes encompass a wide range of new products such as antibiotics, vaccines, monoclonal antibodies and many more. Furthermore, developments in recombinant DNA technology have yielded numerous new useful products in the fields of healthcare and agriculture. The present syllabus takes care of all these aspects. Due emphasis has been laid on familiarizing the learners with the fundamental concepts, basic techniques and their applications. It is expected that the knowledge gained through the study of different topics and the skills acquired through the prescribed practical work will make the learners competent to meet the challenges of academic as well as

professional courses after studying the subject at senior secondary stage.

Objectives

The broad objectives of teaching Biotechnology at senior secondary level are:

To help the learners know and understand basic facts and concepts of the subject at elementary stage.
To expose the students to different basic processes and basic techniques used in Biotechnology.
To familiarize the learners to understand the relationship of the subject to health, nutrition, environment, agriculture, industry, etc.
To develop conceptual competence in the learners so as to cope up with professional courses in future career.
To acquaint students with different applications of biotechnology in everyday life.
To develop an interest in students to study biotechnology as a discipline

CLASS XII (2017-18)

(THEORY)

COURSE STRUCTURE

One Paper

Max. Marks 70+30

Time: 3 hrs.