Question 1: answer- a.
Question 2: answer- d.
Question 3: answer- d.
, Question 4: answer- c.
Question 5: answer- a.
Question 6: answer- c.
Question 7: answer- b.
Question 2: answer- d.
Question 3: answer- d.
, Question 4: answer- c.
Question 5: answer- a.
Question 6: answer- c.
Question 7: answer- b.