Question : Trees are leafless for a shorter or longer season of the year in :

Option 1: Evergreen forest

Option 2: Mangrove forest

Option 3: Scrub jungle forest

Option 4: Deciduous forest

Question : C++ is _____________.

Option 1: an operating system

Option 2: a programming language

Option 3: a software

Option 4: None of these

Question : What is the value of $x$ in the equation $\sqrt{\frac{1+x}{x}}-\sqrt{\frac{x}{1+x}}=\frac{1}{\sqrt6}$?

Option 1: –2

Option 2: 3

Option 3: 2

Option 4: None of these

Question : Which of the given responses would be a meaningful order of the following?

1. Crop    2. Root    3. Stem    4. Seed    5. Flower

Option 1: 2 3 5 1 4 

Option 2: 2 4 5 1 3 

Option 3: 2 3 4 1 5

Option 4: 4  2 3 1 5 

Question : The unit of noise pollution (level) is:

Option 1: decibel

Option 2: decimal

Option 3: ppm

Option 4: none of these