1. Which of the following is responsible for Earths Magnetic Fielda. Inner core
b. Mantle
c. Outer core
d. Crust
(Why important:
http://www.thehindu.com/todays-paper/tp-national/why-earths-inner-core-doesnt-melt/article17331518.ece)
2. Consider the following options about Mycorrhiza1. Its a combination of fungi and bacterial micro organism
2. They have symbiotic association with the roots of plants
3. It helps in providing protection from soil-born pathogenic
disease
4. It is also used as biofertilizer
Which of the following option is correct
a. 2 & 4
b. 1,2,3
c. 2,3,4
d. 1,2,3,4
ANSWERS HERE