The basic function performed by living organisms to maintain their life on this earth is called ________.

Which of the following parts of plants grow?

Which of the following types of energy is used by living organisms to perform vital life process?

Which of the following options is correct for Hydrochloride gas?

Methane is a/an _______.

Autotrophic organisms contain a green pigment called ______.

Which of the following nutrition, animals can take as solid food into their body?

Which of the following compounds has all the atoms with a stable 8-electrons inert gas configuration in their outer most shells?

How many double bonds are present in a carbon dioxide molecule?

A double bond is formed between two atoms by the sharing of _____.

How many carbon hydrogen single bonds are present in methane?

Which of the following compounds has one carbon-carbon double bond and four carbon-hydrogen single bond?

Which of the following types of nutrition is obtained by organism to derive its food from the body of another living organism without killing it?

Which of the following statements is correct?

Which of the following is the process by which green plants make their own food from carbon dioxide and water by using sunlight energy in the presence of chlorophyll?

Tiny pores on the surface of the leaves of plants are called ______.

The process to take the food into the body is called _______.

What is the common name of ethane?

Which of the following categories of animals eat only other animals as food?

Which of the following bonds occurs in the nitrogen gas molecule between two nitrogen atoms?

Which of the following compounds has one carbon-carbon triple bond and two carbon-hydrogen single bonds?

Ionic compounds are usually _______.

The process in which the digested food passes through the intestinal wall into blood stream is called ______.

Melting point of NaCl is ______.

The process in which the undigested food is removed from the body is called _______.