CBSE Class 12 Biology Enhancement In Food Production Worksheet Set B

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.


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.


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? 


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.


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).



Click to View or Download pdf file
Click for more Biology Study Material

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

Latest CBSE Syllabus for 2021 2022 PDF Download

Latest Syllabus for Class 12 for 2021 2022 Latest Syllabus for Class 11 for 2021 2022 Latest Syllabus for Class 10 for 2021 2022 Latest Syllabus for Class 9 for 2021 2022 CBSE has issued the latest syllabus for the academic year 2021 2022 which is applicable for all...

Class 10 Boards Cancelled Class 12 postponed

Looking to the present situation of the pandemic and school closures, and also taking in account the safety and well-being of the students, it is decided as follows:   1. The Board Exams for Class XIIth to be held from May 4th to June, 14th, 2021 are hereby postponed....

Time management for CBSE students

The first thing to learn about Time Management is that time is theoretical so you can’t really manage it. What you do when you get into time management, is that you manage yourself. You decide what has to be done, when it must be done and how to do it in the stipulated...

CBSE Assessment Framework

The Central Board of Secondary Education (CBSE) today, announced a suggested competency-based assessment framework to strengthen India’s existing school education system for secondary level (classes 6-10) and improve the overall learning outcomes of students across...

ICSE Board Exams Cancelled

The ICSE (Class X) 2021 Examination: Given the present worsening situation of the Covid- 19 Pandemic in the country, the CISCE has decided to CANCEL the ICSE (Class X) 2021 Examination. The options given in the earlier Circular dated 16th April 2021, now stands...

Studies Today