Class 12th Biology 2015 Set2 Delhi Board Paper Solution
Question 1
What is Biopiracy ?
Answer
Biopiracy is defined as the illegal removal of biological material of a country by organisations or multinational companies without proper authorisation from the concerned countries.
Popular Questions of Class 12th biology
- Q:- What is spermatogenesis? Briefly describe the process of spermatogenesis.
- Q:- Why is reproduction essential for organisms? Answer
- Q:- Write a short note on
(a) Adaptations of desert plants and animals
(b) Adaptations of plants to water scarcity
(c) Behavioural adaptations in animals
(d) Importance of light to plants
(e) Effect of temperature or water scarcity and the adaptations of animals. - Q:- With a neat diagram explain the 7-celled, 8-nucleate nature of the female gametophyte.
- Q:- What is DNA fingerprinting? Mention its application.
- Q:- What is oogenesis? Give a brief account of oogenesis.
- Q:- Describe the structure of a seminiferous tubule.
- Q:- What is triple fusion? Where and how does it take place? Name the nuclei involved in triple fusion.
- Q:- With a neat, labelled diagram, describe the parts of a typical angiosperm ovule.
- Q:- Explain the Law of Dominance using a monohybrid cross.
Recently Viewed Questions of Class 12th biology
- Q:- Define phenotypic adaptation. Give one example.
- Q:- List the various abiotic environmental factors.
- Q:- What are the major components of seminal plasma?
- Q:- List 10 modern-day animals and using the internet resources link it to a corresponding ancient fossil. Name both.
- Q:- Briefly describe various steps involved in plant breeding.
- Q:- Find out through internet and popular science articles whether animals other than man have self-consciousness.
- Q:- Name important defence mechanisms in plants against herbivory.
- Q:- In our society the women are often blamed for giving birth to daughters.
Can you explain why this is not correct? - Q:- Why are offspring of oviparous animals at a greater risk as compared to offspring of viviparous animals?
- Q:- What are the major causes of species losses in a geographical region?