Consider the following statements:

1. Mohorovicic (Moho) discontinuity forms the boundary between crust and Asthenosphere.
2. Barysphere is associated with the lower layer of the Earth's mantle (below Asthenosphere).
3. Asthenosphere is associated with the upper layer of the Earth's mantle (below the lithosphere).

Which of the above statements is/are correct?

With reference to diastrophic movements on Earth, consider the following statements:

1. Epeirogenic processes involve severe folding that leads to mountain building.
2. Orogenic processes involve uplifting and warping of large parts of the earth's crust.
3. Tectonic plate causes horizontal movement in Earth's crust.

Which of the above statements is/are correct?

Consider the following statements regarding landforms of the earth:

1. Young mountains are high with pointed peaks, and old mountains are low with rounded features.
2. Rivers and their tributaries play an important role in the formation of plains.
3. Plateau is a broad and uneven stretch of land that rises sharply above the neighbouring lowland.

Which of the above statements is/are correct?

Consider the following statements with regard to the stage of life of a river:

1. At its youthful stage, the river travels swiftly across steep slopes forming gorges and V-shaped valleys by eroding its path.
2. Reaching its mature stage the river slows down, travels through plains, and widens its bed or valley floor along with forming meanders or big loops.
3. On attaining its old stage, the river's main task is to deposit alluvium across the flat plains, gradually forming distributaries and delta as it approaches the sea.

Which of the above statements is/are correct?

Which of the following is/are landforms created by volcanic activities?

1. Dyke 
2. Sill
3. Laccolith
4. Phytolith
5. Yardang

Select the correct answer using the codes below:

Consider the following pairs:

Which of the above pairs is/are correctly matched?