Related Clues:

• Object of professional examination
• Object to backing the experiment
• Argue in favour of trial
• Opposition supporter put on trial
• Expostulate, or go off, when the pets romp about outside
• Potters (anag.)
• Object for exam
• It's a nuisance collecting rubbish - object
• State objection
• Go off in step, prepared for the march
• Opposition's annoyance about rhubarb
• Demonstration, maybe by students, not against examination
• Disapprove
• Objection on behalf of trial
• Sit-in or strike, perhaps