MCQ
Energy flow in ecosystem is:
- AUnidirectional.
- BMultidirectional.
- CBidirectional.
- DNone of these.
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$I$. There are many side effects of tubectomy and vasectomy
$II$. Purpose of tubectomy is to prevent egg formation
$III$. The most important component of the oral contraceptive pill is progesterone
$IV$. Contraceptive oral pills help in birth control by preventing ovulation
$I.$ The cells of malignant tumours divide erratically.
$II.$ They are malignant tumours of epithelial cells.
$III.$ They are malignant tumours of organs that originate from mesoderm.
$IV.$ These tumours are found in organs such as spleen and lymph nodes.
Which of the above are true for angiosarcoma?