Answer: B) Strontium Explanation: We know that, Elements in the same group of the periodic table have similar characteristics. Here Magnesium and Strontium shared some similar properties because they both belong to the same group. Sr is the chemical symbol for strontium which is a group two element; it has atomic number of 38.

An assertive sentence is a sentence that state, assert, or declare something. It means it is a simple statement making thing. As it declares something, is also called as Declarative sentence.       Examples of assertive sentence or statements ::   1. Anamika loves him very much.   2. He picks her daily.   3. Attitude is everything.   4. The sun sets in the west.   5. She likes roses.   6. He is a student.   7. Karthik planned a tour.   8. Peacock is a beautiful bird.   9. India is our country.   10. Joel want to be a doctor.

Answer: B) to a mooring buoy Explanation: Mooring buoy are white with a blue horizontal band. They usually are placed in marinas and other areas where boats are allowed to anchor. These are the only buoys you may tie up to legally.

Answer: A) bonds Explanation: chemical energy is contained in the chemical bonds between the reactants in the chemical compounds.

Answer: A) 416 Explanation: The given number series is  21 56 102 160 231 316   21      56       102        160      231       316         416    +35    +46       +58       +71      +85       +100         +11      +12       +13      +14      +15   Hence, the next number in the given number series is 316 + 100 = 416.

Answer: A) long, double chains of nucleic acids. Explanation: Gene is a segment of chromosomal DNA or a sequence of DNA or RNA that codes for a molecule that has a function. It is the basic physical and functional unit of heredity.   As genes are made up of DNA it impies that they are long, double chains of nucleic acids as DNA is made of nucleic acids.

Answer: A) 226.65 Explanation: 55.55 + 155 + 15.55 + 0.5 + 0.05 = ?    55.55 155.00  15.55    0.5    0.05 _______ 226.65 _______   Hence, the value of the given equation 55.55 + 155 + 15.55 + 0.5 + 0.05 = 226.65.

Answer: A) Colonial ports Explanation: Oceania is a geographic region comprising Melanesia, Micronesia, Polynesia and Australasia. In Oceani, most towns began as Colonial Ports.