2816: Consider the following agricultural practices :
1. Contour bunding
2. Relay cropping
3. Zero tillage
In the context of global climate change, which of the above helps/help in carbon sequestration / storage in the soil?
(a) 1 and 2 only
(b) 3 only
(c) 1, 2 and 3
(d) None of them
2817: Where is the famous Virupaksha temple located?
(a) hampi
(b) Srikalahasti
(c) Chidambaram
(d) Bhadrachalam
2818: Consider the following organisms:
1. Agaricus
2. Nostoc
3. spirogyra
Which of the above is/are used as biofertilizer/biofertilizers?
(a) 1 and 2
(b) 2 only
(c) 2 and 3
(d) 3 only
2819: The major chemical compound found in human kidney stones is
(a) Uric acid
(b) Calcium carbonate
(c) Calcium oxalate
(d) Calcium sulphate
2820: Why is there a great concern about the microbeads' that are released into environment?
(a) They are considered harmful to marine ecosystems.
(b) They are considered to cause skin cancer in children.
(c) They are small enough to be absorbed by crop plants in irrigated fields.
(d) They are often found to be used as food adulterants.