Thursday, August 17, 2017

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

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

Link to CBSE PORTAL : CBSE, ICSE, NIOS, JEE-MAIN, AIPMT Students Community

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.

 

CLICK HERE TO DOWNLOAD

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.
 

Click Here to Download  

Courtesy: CBSE

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

Click Here to Download  

Courtesy: CBSE

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

Click Here to Download  

Courtesy: CBSE

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

Click Here to Download  

Courtesy: CBSE

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)

Click Here to Download  

CBSE Class-12 Exam 2017 :  Urdu (Elective)

 

Click Here to Download  

Courtesy: CBSE