
	Trending ▼ ICSE CBSE 10th ISC CBSE 12th CTET GATE UGC NET Vestibulares ResFinder

Class 12 CBSE Pre Board 2016 : Biotechnology (Kendriya Vidyalaya (KV) No. 1, Salt Lake)

12 pages, 0 questions, 0 questions with responses, 0 total responses,

	CBSE 12 Pre Boards	+Fave Message
	Profile Timeline Uploads

Home > cbse12_pre_boards > F Also featured on: School Page

Formatting page ...

Sample Question Paper 2015 - 16 Class XII Biotechnology (045) Time: 3 Hrs. M.M.:70 General Instructions: (i) (ii) All questions are compulsory. There is no overall choice. However, an internal choice has been provided in one question of two marks, one question of three marks and all three questions of five marks. You have to attempt only one of the choices in such questions. (iii) Question paper contains four sections -A, B, C and D. (iv) Question numbers 1 to 6 are very short answer questions, carrying 1 mark each. (v) Question numbers 7 to 14 are short answer questions - I, carrying 2 marks each. (vi) Question numbers 15 to 25 are also short answer questions - II, carrying 3 marks each. (vii) Question numbers 26 to 28 are long answer questions, carrying 5 marks each. (viii) Use of calculators is not permitted. However, you may use log tables, if necessary. SECTION-A Q1. A scientist wants to protect a part of a DNA from attack by restriction enzymes. Design first step of his experiment? (1) Q2. Presence of selectable marker is an essential feature of an ideal cloning vehicle. Give reason. (1) Q3. Expand and define PER. Q4. Given below is a list of the first 8 residues of the -helix in myoglobin from different organisms. Based on this information, identify the amino acids which are most (a) conserved (b) variable (1) (1) Population Organism 1 2 3 4 5 6 7 8 Rabbit Dog Sea Anemone Crab Rohu Whale A A K A A A L L I I R F R D D D R E L L L L L L M M H H M T G E C C C G P F H Q Q G E E E E E E

Formatting page ...

Tags : cbse pre boards, prelims 2015 - 2016, preliminary examinations, central board of secondary education, india schools, free question paper with answers, twelfth standard, xiith std, board exams, mock, model, sample, specimen, past, free guess papers.india, delhi, outside delhi, foreign, cbse class xii, cbse 12, 12th standard, cbse papers, cbse sample papers, cbse books, portal for cbse india, cbse question bank, cbse question papers with answers, pre board exam papers, cbse model test papers, solved board question papers of cbse last year, previous years solved question papers, free online cbse solved question paper, cbse syllabus, india cbse board sample questions papers, last 10 years cbse questions papers, cbse important questions, specimen / mock papers.

cbse12_pre_boards chat

Horizontal lines at:
Guest Horizontal lines at:
AutoRM Data:
Box geometries: