This question paper consists of four sections A, B, C and D. Section A contains 3 questions of 1 mark each, section B contains 3 questions of 2 marks each, section C contains 2 questions of 3 marks each and section D is of 1 question of 5 marks.
There is no overall choice. However an internal choice is provided for section C and D. A student has to attempt only one of the alternatives in such cases.
b)In stomach the innermost layer consists of glands. These glands have three types of cells.Name these cells.
Ravi went to his town Agra 200 km away from Delhi with his father in a car. On the way there was a lot of traffic jam. Ravi while reaching his town felt nausea and headache. He had inhaled lots of polluted gases.
Which system or parts of his body get affected?
What steps could be taken to reduce air pollution?
9. Describe the process of protein digestion in stomach and intestine