Question

Which of the following is correctly matched ?`

• A. Aerenchyma - Opuntia
• B. Age pyramid - Biome
• C. Parthenium hysterophorus - Threat to biodiversity
• D. Stratification - Population

Answer 1

Answer: (C)

Parthenium hysterophorus - Threat to biodiversity

C. Parthenium hysterophorus - Threat to biodiversity

EXPLANATION: The common name of Parthenium hysterophorus is parthenium weed. The pollen grains of parthenium weed cause several diseases like eczema, asthma and dermatitis. Not only in human beings, the weed also causes dermatitis in animals also like cows, goats. When they eat the weed, their milk becomes bitter and drinking of this poisonous milk for some length of time may cause death also. The rapid spread of these allergic diseases all over the country is becoming the threat to environment and biodiversity.