Conservation of Plants & Animals

Conservation of Plants and Animals Worksheet-1

1. The totality of genes, species and ecosystems of a region is known as:

(a) Biosphere                                 (b) Biodiversity

(c) Bioconservation                      (d) Biocommunity

2. Uncontrolled deforestation leads to:

I   –  The destruction of habitats

II  –  Landslides

III –  Flooding

Conservation of Plants and Animals Worksheet-2

1. Creation of wild life reserves and enforcement of laws are conservation measures that promote increased:

(a) use of biocides                        (b) preservation of species

(c) use of biological control       (d) exploitation of species

2. The practice of clearing a part of a forest for cultivation and then moving on to a new part is called:

(a) shifting cultivation                 (b) crop rotation

(c) step farming                            (d) monoculture

Conservation of Plants and Animals Worksheet-3

1. Which are the factors that pose a great threat to biodiversity?

(a) Habitat destruction

(b) Disturbance and introduction of alien species

(c) Man's interference with nature

(d) All of these

2. Which of the following is a consequence of Man's interference with nature?

(a) Increase in natural resources

(b) Biological imbalance

(c) Increase in the ozone layer

(d) Reappearance of some extinct species