Advertisements
Advertisements
प्रश्न
What is meant by living? Give any four defining features of life forms.
Advertisements
उत्तर
The ability of an object can self-replicate and self-regulate is known as Living.
The 4 defining characteristics are:
- Growth: There are two types. Extrinsic and intrinsic growth. Which is deposited on the outer surface and one is inside the cell
- Reproduction: Biological process in which an organism gives rise to individuals similar to themselves. The process is of two types. Asexual and sexual reproduction.
- Metabolism: It is the total of all chemical & biological reactions occurring simultaneously inside the cells. It is two types catabolism and anabolism. One involves the breakdown of molecules and one is the building up of biomolecules
- Consciousness: Ability of the body to sense & respond to external stimuli.
APPEARS IN
संबंधित प्रश्न
Why are living organisms classified?
What do we learn from identification of individuals and populations?
How is a key helpful in the identification and classification of an organism?
Choose correct option:
Which is not a property of living being?
A particular plant is strictly seasonal plant. Which one of the following is best suited if it is to be studied in the laboratory?
A group of students found two cockroaches in the classroom. They had a debate whether they are alive or dead. Which life property will help them to do so?
Distinguish between botanical gardens, zoological park and biodiversity park with reference to characteristics.
Answer the following questions.
Riya found peculiar plant on her visit to Himachal Pradesh. What are the ways she can show it to her biology teacher and get information about it?
Why do we have green houses in botanical gardens?
Write a short note.
Role of human beings in biodiversity conservation
Write a short note on Importance of botanical garden.
How can you, as an individual, prevent the loss of Biodiversity?
Which of the following is a defining characteristic of living organisms?
Amoeba multiplies by mitotic cell division. Is this phenomena growth or reproduction? Explain.
Define metabolism.
A ball of snow when rolled over snow increases in mass, volume and size. Is this comparable to growth as seen in living organisms? Why?
Properties of cell organelles are not always found in the molecular constituents of cell organelles. Justify.
Some of the properties of tissues are not the constituents of its cells. Give three examples to support the statement.
