Tumour which shows origin from more than one germ layers is known as________________?

Related Mcqs:

1. Malignant tumour of epithelial origin is_______________?

   A. Carcinoma B. Sarcomas C. Papilloma D. All of the above...

2. A salivary gland tumour, which histologically shows a double layer of epithelial cells based on a reactive lymphoid stroma is_______________?

   A. Pleomorphic adenoma B. Mucoepidermoid carcinoma C. Acinic cell tumour D. Warthin tumour...

3. Plasma cell tumour of bones with B-lymphocytic origin is ______________?

   A. Plasmacytoma B. Multiple myeloma C. Burkitt’s lymphoma D. None of the above E. Both A & B...

4. The most definite feature of a malignant tumour is_____________?

   A. Haemorrhage B. Increased mitoses C. Metastasis D. Necrosis...

5. Malignant tumour of skeletal muscie is__________________?

   A. Rhabdomyoma B. Rhabdomyosarcoma C. Leiomyoma D. Leiomyosarcoma...

6. Tumour arising from secetory and glandular epithelium are__________________?

   A. Adenomas B. Adenosarcomas C. Angiomas D. Both A and B...

7. Immune response to tumour is mediated by_______________?

   A. Cytotoxic T – lymphocytes B. Natural killer cells C. Humoral mechanism D. All of the above...

8. Meiotic division of male germ cells commence_______________?

   A. During intra – uterine life B. just before birth C. by around 6 years after birth D. by around 16 years...

9. The primary germ layer endoderm is derived from_____________?

   A. Embryonal disc B. Yolk sac C. Amniotic cavity D. Palacenta...

10. Animals maintained in germ free environmental did not develop caries even when fed on a high carbohydrate diet is given by_____________?

    A. Gottlieb B. Miller C. Synder D. Orland and Fizgerald...