Which one of the following periods has provided the evidence of a ploughed field at Kalibangan in Rajasthan?

In which of the following Harappan cities, furrows of ploughed fields have been found?

Which one of the following Harappan sites is in Gujarat?

Which one of the following is not a Harappan site?

Which of the following is a Harappan port?

Which among the following Harappan site terracotta of 'plough' was found?