MGP/MGP+ 2018 - Starts 18th Nov - Admissions Open.
Admissions for MGP/MGP+ 2018 are now open. Course begins from 18th Nov, 2018. Read Complete details here. To subscribe visit


1. Which of the following is responsible for Earths Magnetic Field
a. Inner core
b. Mantle
c. Outer core
d. Crust
(Why important:
2. Consider the following options about Mycorrhiza
1. 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
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
This discussion has been closed.

Courses by ForumIAS for CSE
ForumIAS is trusted by over 10,000+ students for their Prelims, Mains and Interview Preparation and we currently run several assistance programs to help students from Civil Services prelims preparation to rank upgradation to IAS. You can enroll for these programs by visiting


We are a secret self-moderated community for Civil Services preparation. Feel free to join, start a discussion, answer a question or just to say Thank you.

Just dont spread the word ;)

Sign in or join with Facebook or Google

Subscribe to ForumIAS Blog