The following conditions can lead to the presence of small amounts of occult blood in the faeces:
However, iron supplements do not directly cause occult blood in faeces but can make the stool dark, which is often mistaken for blood.
List I | List II |
---|---|
(A) D’Herelle and Twort | (I) Bacterial transformation |
(B) Beadle and Tatum | (II) Penicillin |
(C) Fleming | (III) One-gene-one-enzyme hypothesis |
(D) Griffith | (IV) Bacterial viruses |
Europium (Eu) resembles Calcium (Ca) in the following ways:
(A). Both are diamagnetic
(B). Insolubility of their sulphates and carbonates in water
(C). Solubility of these metals in liquid NH3
(D). Insolubility of their dichlorides in strong HCI
Choose the correct answer from the options given below: