JAC Class 12 Biology Question Paper 2017 with Solution

About this paper

This is the Jharkhand Academic Council (JAC) Class 12 Biology paper from the 2017 board examination, with answers given under the questions. Section A is Botany and Section B is Zoology, and each has ten multiple-choice questions, three very short answers, three short answers and two long answers, with 'Or' alternatives in the long answers. The answers include a DNA–RNA comparison table, ABO and Rh blood group inheritance charts and a pyramid of numbers. The Zoology part has an ovum diagram to label and a match-the-columns question. Marks and time are not printed, and at least two multiple-choice answers are wrong, so check them against your textbook.

Exam

JAC Class 12

Subject

Biology

Year

2017

Pages

5

Answers included

Yes

Paper pattern

• Group A

  Questions 1–10 in each section: multiple choice

• Group B

  Questions 11–13 in each section: very short answers

• Group C

  Questions 14–16 in each section: short answers, including fill-in-the-blank and diagram labelling

• Group D

  Questions 17–18 in each section: long answers, each with an 'Or' alternative

Topics covered

• Pollination and the embryo sac
• Dominance, incomplete dominance and co-dominance
• Blood group inheritance
• Nucleic acids
• Recombinant DNA technology
• Genetically modified plants and transgenic animals
• Biodiversity and conservation
• Population interactions
• Ecosystem and ecological pyramids
• Pollution, greenhouse gases and biomagnification
• Homologous and analogous organs
• Immune system and biogas

Questions from this paper

1. Define extinct and endangered species.
2. Give a brief account of the three types of biodiversity.
3. How will you differentiate between complete dominance and incomplete dominance? Explain them with examples.
4. Describe the inheritance pattern of blood groups in human beings.
5. What is the difference between homologous and analogous organs?
6. What is biomagnification? Explain it by giving one example.