Ques:Q: Aflatoxins are toxic, carcinogenic compounds released by fungi of this? Read this paragraph and choose the correct option from the provided answers: Aflatoxins are toxic, carcinogenic compounds released by fungi of the genus Aspergillus. Periodically, harvests of nuts and grains are tainted by aflatoxins, leading to massive recall of produce. This sometimes ruins producers and causes food shortages in developing countries. Choices: - protist group - genus sporozoa - arthropod class - genus aspergillus A:

Ans:genus aspergillus
-----
Ques:Q: What kind of reaction is a reaction in which two or more substances combine to form a single new substance? Read this paragraph and choose the correct option from the provided answers: A combination reaction is a reaction in which two or more substances combine to form a single new substance. Combination reactions can also be called synthesis reactions. The general form of a combination reaction is:. Choices: - power reaction - compounding reaction - chemical reaction - combination reaction A:

Ans:combination reaction
-----
Ques:Q: What unit are atomic radii typically measured in? Read this paragraph and choose the correct option from the provided answers: Atomic radii have been measured for elements. The units for atomic radii are picometers, equal to 10 -12 meters. As an example, the internuclear distance between the two hydrogen atoms in an H 2 molecule is measured to be 74 pm. Therefore, the atomic radius of a hydrogen atom is . Choices: - sporozoans - radons - powers - picometers A:

Ans:picometers
-----
Ques:Q: What type of isotopes have short half-lives and are given in very low doses? Read this paragraph and choose the correct option from the provided answers: Radioisotopes are widely used in medical diagnosis. These isotopes need to have short half-lives so that they can be administered in very low doses, thus minimizing damage to cells. Choices: - stable isotopes - gasses - radionuclides - radioisotopes A:

Ans:
radioisotopes
-----