Mycorrhizal biotechnology has been used in rehabilitating degraded sites because mycorrhiza enables the plants to 1. resist drought and increase absorptive area 2. tolerate extremes of pH 3. resist disease infestation Select the correct answer using the codes given below.
A1 only
B2 and 3 only
C1 and 3 only
D1, 2 and 3
Answer & Solution
Correct answer: D. 1, 2 and 3
UPSC CSE Prelims 2013 (GS-I, Set A), Q.97. Official answer key: D.
Related questions
The Montreal Protocol of 1987 was an international agreement to phase out:The Environment Protection Act (EPA) of 1986 was passed largely in response to which eventThe major greenhouse gas by quantity emitted globally is:The 'HIPPO' acronym for biodiversity loss drivers stands for:How many of the world's 36 biodiversity hotspots are located in India?Biodiversity is typically classified into THREE levels. Which is the correct set?In a typical ecosystem, decomposers (fungi, bacteria) primarily serve to:In a food chain, what percentage of energy roughly transfers from one trophic level to the