Biotechnology
Maharashtra Board · Class 12 · Biology
Most important questions from Biotechnology for Maharashtra Board Class 12 Biology board exam 2026. MCQs, short answer, and long answer questions with marks.
Interactive on Super Tutor
Studying Biotechnology? Get the full interactive chapter.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for important questions and more.
1,000+ Class 12 students started this chapter today
Sample Questions
Which techniques are core to modern biotechnology?
Show answer
Genetic engineering, Chemical engineering
Modern biotechnology is based on two core techniques: genetic engineering (manipulation of genetic material) and chemical engineering (maintaining sterile environment for production). Traditional fermentation and selective breeding are part of classical biotechnology.
Which characteristics make EcoRI recognition sequence a palindrome?
Show answer
Reads same in both directions, Has internal symmetry
A palindrome sequence reads the same in both directions (5' to 3') and has internal symmetry. The sticky ends and temperature requirements are properties of the enzyme action, not the palindrome nature.
The most commonly used plasmid vector is:
Show answer
pBR322
pBR322 is the most commonly used plasmid vector in recombinant DNA technology. Ti plasmid is used specifically for plant transformation, while lambda and M13 are bacteriophage vectors.
Which organism is most commonly used as competent host in plant biotechnology?
Show answer
Agrobacterium tumefaciens
Agrobacterium tumefaciens is the most commonly used competent host in plant biotechnology because of its natural ability to transfer genes into plant cells through its Ti plasmid.
+39 more questions available
Practice AllFrequently Asked Questions
What are the important topics in Biotechnology for Maharashtra Board Class 12 Biology?
How to score full marks in Biotechnology — Maharashtra Board Class 12 Biology?
How many important questions are there in Biotechnology?
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Biotechnology
Syllabus
What topics to cover
Revision Notes
Key points for last-minute revision
Study Plan
Step-by-step plan to ace this chapter
Flashcards
Quick-fire cards for active recall
Formula Sheet
All formulas in one place
Chapter Summary
Understand the chapter at a glance
Practice Quiz
Test yourself with a quick quiz
Concept Maps
See how topics connect visually
NCERT Solutions
Every textbook question solved step by step
For serious students
Get the full Biotechnology chapter — for free.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for Maharashtra Board Class 12 Biology.