Answer: A) Son-in-law Explanation: Given that If Theresa's daughter is my daughter's mother It has 2 ways of Answers such that it depends on the sex of me. That is Male or Female.   1) If I am a Male : My daughter's mother is my wife. My wife is Teresa's daughter => I am Teresa's Son-in-law.   2) If I am a Female : My daughter's mother is myself. Myself Teresa's daughter. => I am Teresa's Daughter.   But in the given options only Son-in-law is available and daughter is not given.   So, Son-in-law is correct.

Answer: A) Water Explanation: Here Grass is to Erosion and whereas Dam is to Water. Since Grass prevents Erosion similarly Dam prevents Water flow.   Hence, Grass : Erosion :: Dam : Water.

Answer: C) aggregate supply Explanation: Total Output is a synonym for Aggregate supply or Initial production.

Answer: B) DNA Explanation: Prokaryotic and Eukaryotic cells do share a feature of DNA. Both prokaryotic and eukaryotic cells have structures in common. All cells have a plasma membrane, ribosomes, cytoplasm, and DNA. Prokaryotic cells are primitive cells which have no true nucleus and membrane bound organelles, while Eukaryotic cells are cells that have true nucleus, membrane bound organelles and well defined structures and layouts.

Answer: D) Sulfur Dioxide, Carbon Dioxide, Nitrogen Oxides Explanation: Acid Precipitation or Acid rain is caused by a mix of Sulfur Dioxide, Carbon Dioxide, Nitrogen Oxides.   A Chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as Acid Rains.

Answer: B) FALSE Explanation: You cannot see a microorganisms without using a Microscope. You also cannot taste or smell microorganisms such as bacteria in contaminated food.

Answer: B) The atoms share or transfer electrons Explanation: All chemistry is based on sharing electrons. A chemical bond forms when two atoms transfer or share outer electrons to complete their outer shells.

Answer: B) FALSE Explanation: False. Cube is not a Polygon. Because polygon is a two dimensional figure and can be drawn on a flat surface whereas Cube is three dimensional figure and cannot be drawn on a flat surface.