Geomorphic Processes — Geography STD 11 Humanities — Question

Answer the following question in about 30 words.
Describe the composition of atmosphere.

Answer the following questions:
What do you understand by the term ‘food web’? Give examples.

Answer the following question in about 30 words.
What are the geotrophic winds?

Answer the following question in about 30 words.
Explain relative humidity.

Answer the following question in about 150 words.
“Our earth is a playfield for two opposing groups of geomorphic processes.” Discuss.

Answer the following question in about 30 words.
What is the unit used in measuring pressure? Why is the pressure measured at station level reduced to the sea level in preparation of weather maps?

Answer the following questions:
Discuss briefly the importance of animals to human kind.

Make correct pairs from the following two columns.

i.	Insolation	a.	The difference between the mean temperature of the warmest and the coldest months.
ii.	Albedo	b.	The lines joining the places of equal temperature.
iii.	Isotherm	c.	The incoming solar radiation.
iv.	Annual range	d.	The percentage of visible light reflected by an object.

Answer the following questions in about 30 words:
You have seen a tennis ball, a cricket ball, an orange and a pumpkin. Which one amongst these resembles the shape of the earth? Why have you chosen this particular item to describe the shape of the earth?

Answer the following question in about 30 words:
What is the major difference between the transform boundary and the convergent or divergent boundaries of plates?