लघु हिमालय और शिवालिक के बीच कौन सी अनुदैर्ध्य घाटी (longitudinal valley) स्थित है?

The outermost range of the Himalayas is known as the:

Consider the following statements and select the correct option: a) The northern plains are a densely populated physiographic division. b) With a rich soil cover combined with adequate water supply and favourable climate, the northern plains are agriculturally a highly productive part of India.