CBSE Class 12 Biology Enhancement In Food Production Worksheet Set B

Read and download free pdf of CBSE Class 12 Biology Enhancement In Food Production Worksheet Set B. Students and teachers of Class 12 Biology can get free printable Worksheets for Class 12 Biology in PDF format prepared as per the latest syllabus and examination pattern in your schools. Standard 12 students should practice questions and answers given here for Biology in Grade 12 which will help them to improve your knowledge of all important chapters and its topics. Students should also download free pdf of Class 12 Biology Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems provided here with solutions on daily basis to get more score in school exams and tests

CBSE Class 12 Biology Enhancement in Food Production (2). CBSE issues sample papers every year for students for class 12 board exams. Students should solve the CBSE issued sample papers to understand the pattern of the question paper which will come in class 12 board exams this year. The sample papers have been provided with marking scheme. It’s always recommended to practice as many CBSE sample papers as possible before the board examinations. Sample papers should be always practiced in examination condition at home or school and the student should show the answers to teachers for checking or compare with the answers provided. Students can download the sample papers in pdf format free and score better marks in examinations. Refer to other links too for latest sample papers.

ONE MARK QUESTION

1 List any two economically important products for humans obtained from Apis indica.

2 How are the two following varieties of sugarcane different from each other?

i) Saccharum barberi ii) Saccharum officinarum

3 Mention the strategy used to increase homozygosity in cattle for desired traits.

4 Which one of the following used in apiculture?

Hilsa, Apis indica, Sonalika

5 Which of the following is the semi-dwarf wheat that is high yielding and disease resistant? Pusa Shubra, Kalyan sona, Ratna .

6 Define plant breeding.

7 Name the scientist who developed semi-dwarf varieties of wheat in Mexico.

8 Name two semi-dwarf varieties of wheat introduced into all wheat growing places of India.

9 Where was IR-8 developed?

10 Name two better yielding semi-dwarf varieties of rice developed in India.

TWO MARK QUESTIONS

11 MOET programme has helped in increasing the herd size of the desired variety of cattle. List the steps involved in conducting the programme.

12 Define inbreeding depression. How to overcome this?

13 Why is mutation breeding necessary for breeding for disease resistance?

14 What are SCPs? What is the significance of such a protein.

15 Which part of the plant is best suited for making virus-free plants and why?

16 What is meant by germplam collection? Why is it necessary? 

3 MARK QUESTIONS

17 What is meant by biofortification? Write the objectives of biofortification?

18 Define each of the following:

a) Tissue culture

b) Explants

c) somaclones

19 Give one example of disease caused by each of fungi, bacteria and viruses in crop plants.

5 MARK QUESTIONS

20 What is somatic hybridization? Explain the procedure. Mention any one use of somatic hybridization.

21 Briefly describe the steps involved in plant breeding.

Please click the link below to download full pdf file for CBSE Class 12 Biology Enhancement in Food Production (2).

Tags: 

 


Click to View or Download pdf file
Click for more Biology Study Material
CBSE Class 12 Biology All Chapters Average Questions Worksheet
CBSE Class 12 Biology Reproduction In Flowering Plants Worksheet Set B
CBSE Class 12 Biology Enhancement In Food Production Worksheet Set B
CBSE Class 12 Biology Organisms And Populations Worksheet
CBSE Class 12 Biology Biodiversity And Conservation Worksheet Set A
CBSE Class 12 Biology Sure Short Questions Set Worksheet Set C
CBSE Class 12 Biology All Chapters Important Questions Worksheet
CBSE Class 12 Biology Reproduction In Flowering Plants Worksheet Set C
CBSE Class 12 Biology Environmental Issues Worksheet Set A
CBSE Class 12 Biology Principles And Processes Of Bio Technology Worksheet
CBSE Class 12 Biology Biodiversity And Conservation Worksheet Set B
CBSE Class 12 Biology Microbes In Human Welfare Worksheet Set A
CBSE Class 12 Biology Revision Worksheet Set B
CBSE Class 12 Biology Reproduction In Human Beings Worksheet
CBSE Class 12 Biology Environmental Issues Worksheet Set B
CBSE Class 12 Biology Revision Worksheet Set D
CBSE Class 12 Biology Biotech Principles And Process Worksheet
CBSE Class 12 Biology Microbes In Human Welfare Worksheet Set B
CBSE Class 12 Biology Revision Worksheet Set C
CBSE Class 12 Biology Revision Worksheet Set E
CBSE Class 12 Biology Principles Of Inheritance And Variation Worksheet Set C
CBSE Class 12 Biology Ecosystem Worksheet Set A
CBSE Class 12 Biology Molecular Basis Of Inheritance Worksheet Set A
CBSE Class 12 Biology Revision Worksheet Set A
CBSE Class 12 Biology Revision Worksheet Set F
CBSE Class 12 Biology Principles Of Inheritance And Variation Worksheet Set D
CBSE Class 12 Biology Ecosystem Worksheet Set B
CBSE Class 12 Biology Molecular Basis Of Inheritance Worksheet Set B
CBSE Class 12 Biology Applications Of Biotechnology Worksheet Set A
CBSE Class 12 Biology Sure Short Questions Set Worksheet Set A
CBSE Class 12 Biology Health And Diseases Worksheet
CBSE Class 12 Biology Revision Worksheet Set G
CBSE Class 12 Biology Reproduction In Flowering Plants Worksheet Set A
CBSE Class 12 Biology Enhancement In Food Production Worksheet Set A
CBSE Class 12 Biology Ecology Worksheet
CBSE Class 12 Biology Molecular Basis Of Inheritance Worksheet Set C
CBSE Class 12 Biology Applications Of Biotechnology Worksheet Set B
CBSE Class 12 Biology Sure Short Questions Set Worksheet Set B
CBSE Class 12 Biology Human Health And Diseases Worksheet
CBSE Class 12 Biology Evolution Worksheet Set A
CBSE Class 12 Biology Evolution Worksheet Set B
CBSE Class 12 Biology Evolution Worksheet Set C
CBSE Class 12 Biology Human Reproduction Worksheet
CBSE Class 12 Biology Principles Of Inheritance And Variation Worksheet Set A
CBSE Class 12 Biology Principles Of Inheritance And Variation Worksheet Set B
CBSE Class 12 Biology Reproduction In Organisms Worksheet Set A
CBSE Class 12 Biology Reproduction In Organisms Worksheet Set B
CBSE Class 12 Biology Reproductive Health Worksheet

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

CBSE Board Examination Scheme of Assessment 2021 2022

A. Academic session to be divided into 2 Terms with approximately 50% syllabus in each term: The syllabus for the Academic session 2021-22 will be divided into 2 terms by following a systematic approach by looking into the interconnectivity of concepts and topics by...

CBSE Class 10 Revised Syllabus

Last year CBSE had to reduce the syllabus because of the pandemic situation but it was not very effective because there were no examinations. This year to avoid any confusion and conflict, CBSE has decided to reduce the syllabus into term 1 and term 2. 50 percent of...

Score well in Class 12 English Boards Exam

12th Board exams are an important part of students' lives. The marks obtained in the board exam decide the college in which one can study. In class 12 the syllabus of each and every subject increases vastly and it is difficult to cover up every point. In English also...

Moderation of Marks Class 11 and 12 Board Exams

The portal for moderation and finalization of results for Class-12 is being opened from 16.07.2021 to 22.07.2021. As Board has to declare the result latest by 31.07.2021, schools have been requested to follow the schedule strictly and complete the moderation within...

MCQ Question based CBSE examination

For 2021-22 CBSE has launched MCQ question-based examination for Term 1 & Term 2 board examinations. The entire syllabus has been divided into two parts each including 50% of the entire syllabus. To score well, students must practice as per the new CBSE term-wise...

How To Solve Unseen Passages In English

Unseen passages may contain one or many paragraphs. This is one of the important yet easy parts for a student to get marks. Students should thoroughly study and understand the passage to answer the related questions. The unseen passages are there just to test the...

×
Studies Today