Class 12th Biology 2017 Set1 Delhi Board Paper Solution
Question 5
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:- What is self-incompatibility? Why does self-pollination not lead to seed formation in self-incompatible species?
- Q:- Give three hypotheses for explaining why tropics show greatest levels of species richness.
- Q:- Make a chart (with diagrammatic representation) showing a restriction enzyme, the substrate DNA on which it acts, the site at which it cuts DNA and the product it produces.
- Q:-
Define external fertilization. Mention its disadvantages.
- Q:- Why is the offspring formed by asexual reproduction referred to as clone?
- Q:- Which is a better mode of reproduction sexual or asexual? Why?
- Q:- What is vegetative propagation? Give two suitable examples.
- Q:- Examine a few flowers of any cucurbit plant and try to identify the staminate and pistillate flowers. Do you know any other plant that bears unisexual flowers?
- Q:- Why are offspring of oviparous animals at a greater risk as compared to offspring of viviparous animals?
- Q:- What is a bisexual flower? Collect five bisexual flowers from your neighborhood and with the help of your teacher find out their common and scientific names.