Question : The naturally occurring gas that is generated by the breakdown of organic matter by anaerobic bacteria and is used in energy production is called:

Option 1: Compressed Natural Gas

Option 2: Biogas

Option 3: Natural gas

Option 4: Liquified Petroleum Gas

Question : What is the primary source of energy in an ecosystem?

Option 1: Moonlight

Option 2: Sunlight

Option 3: Oxidation in plants

Option 4: The heat released during respiration

Question : Select the correct active form of the given sentence.

You will be asked some questions by the police now.

Option 1: The police asked you some questions now.

Option 2: The police ask you some questions now.

Option 3: The police will be asking you some questions now.

Option 4: The police will ask you some questions now.

Question : Directions: What do you infer from the following set of statements?
Statements:
I. I have observed many plants' roots.
II. All these plants' roots were found to grow downward.

Option 1: I am a botanist

Option 2: Some plants' roots grow downward

Option 3: A plant's root grows downward

Option 4: Most of the plants' roots grow downward

Question : Which of the following tissues are responsible for the secondary growth of plants?

Option 1: Cortex

Option 2: Cambium

Option 3: Phloem

Option 4: Xylem