Crop plants grown in monoculture are
low in yield
free from intraspecific competition
characterised by poor root system
characterised by poor root system
D.
characterised by poor root system
Monoculture involves the exclusive cultivation of a single crop over wide areas. It is an efficient way to use certain kinds of soils but the crop plants grown in monoculture are highly prone to pests and thus, it carries the risk of an entire crop being destroyed with the appearance of a single pest species or disease.
Which one of the following is not included under in situ conservation?
Sanctuary
Botanical garden
Bisophere reserve
Bisophere reserve
Which one of the following is the correctly matched pair of an endangered animal and a National Park?
Lion — Corbett National Park
Rhinoceros — Kaziranga National Park
Wild ass — Dudhwa National Park
Wild ass — Dudhwa National Park
Which of the following pairs of an animal and a plant represents endangered organisms in India?
Bentinckia nicobarica and red panda
Tamarind and rhesus monkey
Which one of the following is not a living fossil?
King crab
Sphenodon
Archaeopteryx
Archaeopteryx
