A male honeybee has 16 chromosomes whereas its female has 32 chromosomes. Give one reason.
[Max Marks: 1 | Set: 57/1]
Class 12 · Biology · CBSE Board · 2016
Class 12 Biology 2016 Board Exam
42 questions from the 2016 Class 12 exam, combined from all 3 question paper sets (Set 1–3) with duplicates removed.
42questions
3exam sets
13chapters covered
1 / 2 / 3 / 4 / 5mark values
Questions from the 2016 exam first 10 of 42 — free
What are transgenic animals. Give an example.
[Max Marks: 1 | Set: 57/3]
What is biopiracy ?
[Max Marks: 1 | Set: 57/1]
Mention two objectives of setting up GEAC by our Government.
[Max Marks: 1 | Set: 57/2]
Write the probable differences in eating habits of Homo habilis and Homo erectus.
[Max Marks: 1 | Set: 57/1]
A single pea plant in your kitchen garden produces pods with viable seeds, but the individual papaya plant does not. Explain.
[Max Marks: 2 | Set: 57/1]
What is aminoacylation ? State its significance.
[Max Marks: 2 | Set: 57/2]
Name a free-living and a symbiotic bacterium that serve as bio-fertilizer. Why are they so called ?
[Max Marks: 2 | Set: 57/3]
Following are the features of genetic codes. What does each one indicate ?
Stop codon; Unambiguous codon; Degenerate codon; Universal codon.
[Max Marks: 2 | Set: 57/1]
Name the cells HIV (Human Immunodeficiency Virus) gains entry into after infecting the human body. Explain the events that occur in these cells.
[Max Marks: 2 | Set: 57/3]
Chapters covered in the 2016 exam
Sexual Reproduction in Flowering Plants
6 questions in 2016
Human Reproduction
1 question in 2016
Reproductive Health
3 questions in 2016
Principles of Inheritance and Variation
3 questions in 2016
Molecular Basis of Inheritance
7 questions in 2016
Evolution
4 questions in 2016
Human Health and Diseases
2 questions in 2016
Microbes in Human Welfare
3 questions in 2016
Biotechnology – Principles and Processes
2 questions in 2016
Biotechnology and its Applications
4 questions in 2016
Organisms and Populations
4 questions in 2016
Ecosystem
2 questions in 2016
Biodiversity and its Conservation
1 question in 2016
About the 2016 Class 12 Biology paper
CBSE conducted the 2016 Class 12 Biology board exam in 3 question paper sets — students in different regions received different sets of the same exam. This page combines every set and removes repeated questions, giving you all 42 unique questions actually asked that year. The 2016 questions drew from 13 chapters of the syllabus.