Standard Books Botany Biodiversity and Conservation Class 12 Questions

Red data book provides data on

The organization which publishes the Red List of species is

What is common to the techniques (i) In vitro fertilization (ii) Cryopreservation (iii) Tissue culture

An example of ex situ conservation is

Ecological diversity includes

According to estimation made by Robert May places the global species diversity at about _______.

In figure global biodiversity: proportionate number of species of major taxa of invertebrates are given. X & Y denote ______ and ______.

Habitat loss and fragmentation, over exploitation, alien species invasion and co-extinction are causes for

Which one of the following is not observed in biodiversity hotspots

Which one of the following pairs of organisms are exotic species introduced in India

A forest in a tropical region like Ecuador has up to ________ as many species of vascular plants as a forest of equal area in a temperate region like USA

The Rivet popper hypothesis was given by

Total number of identified biodiversity hot spots in the world is

The ______ documents the extinction data of species

Conservation of organisms in natural habitat is called

India has more than ________ genetically different strains of rice, and ________ varieties of mango

Find the wrongly matched pair

The accelerated rates of species extinctions that the world is facing now are largely due to human activities these causes are known as _______

Which of the following is not an invasive alien species in the Indian context

All the biodiversity hotspots put together cover _______ per cent of the earth's land area.

When a species becomes extinct, the plant and animal species associated with it in an _______ way also become extinct

We obtain firewood, fibre, construction material from biodiversity this leads to _______ argument for biodiversity conservation