Which of the following statements is incorrect regarding epithelial tissue?

Where are the calciferous glands of the earthworm present?

What is the role of spermathecae?

Which of the following is not true about nephridia in earthworm?

Which of the following statements is true about setae present in earthworm?

Which of the following tissue exerts the greatest control over the body?

How many chambers are present in the heart of the frog?

Where is brush bordered cuboidal epithelium found?