Canada Student visa - Dependents & family

If I am working, can my dependent also work on their visa in Australia/Canada for a Master's/Bachelor's?

Can you explain the spouse visa and how it differs from my individual visa in Canada for a Master's?

Is IELTS only applicable for New Zealand or are there other countries open for dependent visas in UK/Australia in Canada?

Do I need to apply for the spouse visa separately after arriving in Canada?

Which countries besides Canada and Australia offer dependent visas in Ireland/New Zealand for a Master's/PhD?

Is it possible to get a dependent visa and work permit while studying abroad in Canada/USA?

Will my spouse be allowed to work on a dependent visa in Canada for a Master's?

Can I take my spouse with me on a spouse visa when I go for my master's abroad in Canada?

Can I send my wife on a study visa to Canada while I continue working?