Identify the incorrect statements among the following
I. The use of amniocentesis was banned in 1970.
II. Cervical cancer was caused by Herpes Simplex Virus
III. Copper bearing IUDs, progestogen are emergency contraceptives.
IV. 3-D cross sectional picture of CAT scan is called tomogram.
Let's evaluate each of the statements:
Conclusion: The incorrect statements are II and III. Therefore, the correct answer is Option B.
| List - I | List - II |
|---|---|
| A. Progesterone | IV. Corpus luteum |
| B. Relaxin | II. Ovary |
| C. Melanocyte stimulating hormone | III. Adrenal Medulla |
| D. Catecholamines | I. Pars intermedia |
Two concentric thin circular rings of radii 50 cm and 40 cm each, carry a current of 3.5 A in opposite directions. If the two rings are coplanar, the net magnetic field due to the two rings at their centre is: