Natural organic fertilisers are found to be better than chemical fertilisers because
A. chemical fertilisers are less productive
B. organic fertilisers are more productive
C. organic fertilisers sustain soil productivity
D. chemical fertilisers are toxic
Answer: Option C
Related Questions on Economic Biology
The anti-malarial drug quinine is made from a plant. The plant is
A. Neem
B. Eucalyptus
C. Cinnamon
D. Cinchona
The causal organism of black stem rust of wheat is
A. Xanthomonas compestris
B. Pseudomonas solanacearum
C. Puccinia graminis tritici
D. Albugo candida
A. a-2, b-1, c-4, d-3
B. a-1, b-4, c-3, d-2
C. a-4, b-3, c-2, d-1
D. a-3, b-2, c-1, d-4
Which one of the following plants is used for green manuring in India?
A. Wheat
B. Sunhemp
C. Cotton
D. Rice

Join The Discussion