Agro - Based Industries — Geography STD 10 — Question

Study the climatic data provided below and answer the questions that follow:

Month	Jan	Feb	Mar	Apr	May	June	Jul	Aug	Sep	Oct	Nov	Dec
Station A (sea level)
Temperature (°C)	24.4	28.4	20.7	29.3	30.0	29.9	29.8	27.8	26.9	26.3	25.1	24.8
Rainfall (cm)	0.1	0.1	0.5	0.6	3.8	26.6	29.6	30.5	26.5	11.9	1.1	0.2
Station B (800 m above sea level)
Temperature (°C)	8.1	8.9	15.6	20.1.	25.2	24.3	24.1	22.7	20.6	18.4	14.1	9.6
Rainfall (cm)	0.4	0.3	0.3	1.1	1.3	3.2	7.7	1.3	5.8	0.7	0.4	0.3

(i) Calculate the annual range of temperature of Station A Suggest a reason why the range is small one.
(ii) Which of the two Stations has the lower temperature? Why?
(iii) Calculate the annual rainfall of Station B.

Name three units for production of locomotives and coaches under the Ministry of Railways.

Give the main uses of any two of them.

State the importance of Electronic in the field of:
Entertainment.

Calculate the distance along the metalled road from Rampura to Antroli.

What are the effects of pollution by agricultural waste?

Rice grows well in claylike subsoil.

Name the states rich in mineral resources.

Rice is grown in nurseries before transplantation.

El Ninos are far costlier than once thought, in the trillions, study says and one's brewing now. Meteorologists expect that this El Nino, coupled with excess warming from climate change, will see the world grapple with record-high temperatures.
(a) What is reason for the occurrence of El Nino?
(b) When is El nino is declared?