Living World Flashcards
What type of asexual reproduction occurs in yeast and hydra?
budding
The twin characteristics of growth
Increase in mass, Increase in number
We can easily observe unicellular organisms growth in which culture ?
In-vitro culture
Three examples of non-living things which exhibit groth by accumulation of material on the surface are
Mountains, boulders and sand moulds
Fungi produce millions of ____ to multiply and spread easily
asexual spores
Which organism show true regeneration ?
Planaria
Name three organisms which easily multiply by fragmentation
The fungi, the filamentous algae and the protonema of mosses
Name three living organisms which do not reproduce
Mules, sterile worker bees and infertile human couples
Which reactions are not living things but surely living reactions ?
Isolated metabolic reactions
Which process affects reproduction in seasonal breeders, both plants and animals ?
Photoperiod
What is the range of the numbers of species that are known and described ?
1.7 to 1.8 million
The number and types of organisms present on earth refers to
Biodiversity
What is the process of standardising the naming of living organisms such that a particular organism is known by the same name all over the world called ?
Nomenclature
Nomenclature or naming is only possible when the organism is described correctly and we know to what organism the name is attached. This is ____
Identification
The scientific names of plants are based on agreed principles and criteria, which are provided in
International Code for Botanical Nomenclature (ICBN)
The scientific names of animals are based on agreed principles and criteria, which are provided in
International Code of Zoological Nomenclature (ICZN)
Scientific name has two components, namely -
The generic name and the specific epithet
The system of providing a name with two components is called
Bionomial nomenclature
Binomial nomenclature naming system was given by
Carolus Linnaeus
The scientific name of mango is
Magnifera indica
Magnifera indica was first described by
Linnaeus
In the scientific name of mango, Magnifera and indica represents ___ and ___ respectively.
Generic & specific epithet
Magnifera indica was first described by
Linnaeus
The process by which anything is grouped into convenient categories based on some easily observable characters is called
classification
The process of classifying all living organism into different taxa is called
taxonomy
External and internal structure, along with the structure of cell, development process and ecological information of organisms are essential and form the basis of
Modern taxonomic studies
The branch of study of knowing more about different kinds of organism and their diversities, but also the relationships among them was refered to as
systematics
The word systematics is derived from the Latin word-
Systema
What is the title of publication of Linnaeus ?
Systema Naturae
The category which is the part of overall taxonomic arrangement, it is called
Taxonomic category
All taxonomic categories together constitute the ___
Taxonomic hierarcy
Each category represents a rank and is commonly termed as
Taxon