NCERT Class 12 Biology General Awareness Questions and Answers
93 What parameters are used for tiger census in our country’s national parks and sanctuaries?
Answer: Pug marks and faecal pellets
94 Which of the following is not a cause for loss of biodiversity?
Answer: Keeping animals in zoological parks
96 Which of the following statements is correct for secondary succession?
Answer: It is similar to primary succession, but has a relatively fast pace.
98 Which of the following would necessarily decrease the density of a population in a given habitat?
Answer: Mortality and emigration
99 A population has more young individuals compared to the older individuals. What would be the status of the population after some years?
Answer: It will increase
100 Amensalism is an association between two species where
Answer: one species is harmed and other is unaffected