G.K. (General Science) - 27
General science quiz covering biology concepts (life processes, nutrition, plants) and chemistry (chemical bonding, covalent and ionic compounds).
Questions
The basic function performed by living organisms to maintain their life on this earth is called ________.
- life process
- digestive system
- respiratory system
- none of these
Which of the following parts of plants grow?
- Leaves
- Flower
- Shoot and roots
- All of the above
Which of the following types of energy is used by living organisms to perform vital life process?
- Kinetic energy
- Chemical energy
- Nuclear energy
- None of these
Which of the following options is correct for Hydrochloride gas?
- It is an ionic compound
- It is a covalent compound
- 1 and 2 both
- None of these
Methane is a/an _______.
- ionic compound
- covalent compound
- 1 and 2 both
- None of these
Autotrophic organisms contain a green pigment called ______.
- glucose
- starch
- chlorophyll
- none of these
Which of the following nutrition, animals can take as solid food into their body?
- Saprotrophic
- Parasitic
- Holozoic
- None of these
Which of the following compounds has all the atoms with a stable 8-electrons inert gas configuration in their outer most shells?
- Carbon tetrachloride
- Methane
- Chloroform
- Sodium
How many double bonds are present in a carbon dioxide molecule?
- 1
- 2
- 3
- None of these
A double bond is formed between two atoms by the sharing of _____.
- one pair of electrons
- two pairs of electrons
- three pairs of electrons
- None of these
How many carbon hydrogen single bonds are present in methane?
- 5
- 4
- 2
- None of these
Which of the following compounds has one carbon-carbon double bond and four carbon-hydrogen single bond?
- Ethene
- Ethyne
- Ethane
- None of these
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?
- Saprotrophic
- Parasitic
- Holozoic
- None of these
Which of the following statements is correct?
- Double bond is stronger than single bond.
- Double bond is weaker than single bond.
- Double bond is equal to single bond.
- None of these
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?
- Photosynthesis
- Respiration
- Ingestion
- None of these
Tiny pores on the surface of the leaves of plants are called ______.
- stomata
- cuticle
- guard cell
- None of these
The process to take the food into the body is called _______.
- digestion
- ingestion
- absorption
- assimilation
What is the common name of ethane?
- Acetylene
- Ethylene
- Ethane
- None of these
Which of the following categories of animals eat only other animals as food?
- Herbivores
- Carnivores
- Omnivores
- None of these
Which of the following bonds occurs in the nitrogen gas molecule between two nitrogen atoms?
- Single bond
- Double bond
- Triple bond
- All of the above
Which of the following compounds has one carbon-carbon triple bond and two carbon-hydrogen single bonds?
- Ethene
- Ethyne
- Ethane
- None of these
Ionic compounds are usually _______.
- liquid
- crystalline solids
- gas
- None of these
The process in which the digested food passes through the intestinal wall into blood stream is called ______.
- digestion
- ingestion
- absorption
- assimilation
Melting point of NaCl is ______.
- 800°C
- 825°C
- 850°C
- None of these
The process in which the undigested food is removed from the body is called _______.
- egestion
- ingestion
- absorption
- assimilation