Q: What is required for interconversion between the two forms of an isomeric pair? A:

OPTIONS:
- couple and reforming
- fixing and reforming
- turn and reforming
- breaking and reforming

Answer: breaking and reforming

Problem: OPTIONS:
- helium
- sodium
- magnesium
- carbohydrate
Q: Q: What contains carbon, hydrogen, and oxygen in a ratio of 1:2:1? A:
Answer: carbohydrate

Problem:OPTIONS:
- calcium
- cholesterol
- magnesium
- cellulose

Q: What are most fresh fruits, vegetables, whole grains rich in? A:
****
A: cellulose

Q: What was the last supercontinent on earth? A:
OPTIONS:
- rodinia
- laurasia
- eurasia
- pangaea
pangaea

Q: Which theory states that all organisms are composed of one or more cells, the cell is the basic unit of life, and new cells arise from existing cells? A:
OPTIONS:
- theory of evolution
- microcellular theory
- natural selection
- unified cell theory

Answer: unified cell theory

input with options: Q: Pressure and vibration are examples of what type of stimuli? A:
OPTIONS:
- chemical
- atmospheric
- thermal
- physical
output:
physical