XI: Chapter 1- The Living World Flashcards
What are the twin characteristics of growth?
Increase in mass and increase in number of individuals.
Mule is the hybrid of?
Male donkey and female horse
Hinny is the hybrid of?
Female donkey and male horse
The number and type of organisms present on earth comprise
Biodiversity
The process of grouping things into categories based on easily observable characters is called
Classification
Process of classification in which organisims are classified into taxa is known as
Taxonomy
The branch of biology that deals with identification, nomenclature and classification while also taking into account the evolutionary relationship between organisms is callled
Systematics
What is difference between taxa and category?
Taxa- a group of living organisms
Category- rank of the taxa
A group of individual organisms with fundamental similarities is known as
Species
Convolvulaceae and Solanaceae are included in which order? What is this classification based on?
They are included in order Polymoniales based on floral characters.
As we go higher from species to kingdom the number of common characteristics goes on
Decreasing
Give the taxonomical classification of humans.
sapiens (species) Homo (genus) Homonidae (family) Primata (order) Mammalia (class) Chordata (phylum) Animalia (kingdom)
Give the taxonomical classification of housefly.
domestica (species) Musca (genus) Muscidae (family) Diptera (order) Insecta (class) Arthropoda (phylum) Animalia (kingdom)
Give the taxonomical classification of mango.
indica (species) Mangifera (genus) Anacardiaceae (family) Sapindales (order) Dicotyledonae (class) Angiospermae (division) Plantae (kindgom)
Give the taxonomical classification of wheat.
aestivum (species) Triticum (genus) Poaceae (family) Poales (order) Monocotyledonae (class) Angiospermae (division) Plantae (kingdom)
What serve as quick referral systems in taxonomical studies?
Herbariums
What is the size of a herbarium sheet?
29 cm by 41 cm
What information does the herbarium sheet label provide?
1) Date and place of collection
2) English, local and botanical names
3) Family
4) Collector’s name
Herbarium sheets are arranged according to which system of classification?
Bentham and Hooker classification
What do the labels on specimens in a botanical garden describe?
Scientific name and family
Which is the largest botanical garden of the world?
Royal botanical garden, Kew, England
It has 6 million specimes.
Which is the largest botanical garden of India?
Indian Botanical Garden, Sibpur, Howrah, Kolkata
It has 2 million specimens.
How are insects preserved in a museum?
Insects are preserved in insect boxes after collecting, killing and pinning.
What are keys based on?
Similarities and dissimilarities between organisms