Which one of the following statements is correct?

Which one of the following statements about animal cells and plant cells is correct?

Which one of the following statements regarding bile secreted by liver is not correct?

Which one of the following statements best describes the role of B cells and T cells in the human body?

Which of the following is the smallest bone in the human body?

Which one of the following is the correct sequence of organs that occur in the path of urine flow in human body?