Define biodiversity. Mention its three levels and briefly explain them.

Define biodiversity. Mention its three levels and briefly explain them.

Ans: – There are three types of biodiversity which are genetic biodiversity, species biodiversity and ecosystem biodiversity. According to the different organic animal and plant we see genetic biodiversity and species biodiversity is different types of plant and animal, ecosystem biodiversity is the different types of ecosystem present in an area.

What are the global and Indian patterns of biodiversity? What do you meanby a ‘hot spot’ of diversity?

Ans: – The biodiversity is the presence of different types of animals and plant in a particular area. If there is a present of much amount of particular plant species then this area is known as hot spot.

Name the three domains of life and state one distinguishing features of each.

Ans: – There are three types of domains which are eukaryote, bacteria, archaea. The small living particles is known as bacteria. The unicellular elements are known as eukaryote.

Name the five kingdoms of life and state one feature of each of the kingdomswhich differs from that of the others.

Ans: –

Monera	protista	Fungi	Plante	animalia
Unicellular, prokaryotes	Eukaryotes	Eukaryotes	Eukaryotes	Eukaryotes, multicellular

 

 

Give an account of the classification of Kingdom Plantae into its divisions.Cite examples.

Ans: – Plante : – Eukaryotes and cellulose is present. Example are algae, moss, fern etc.

State the difference between chordates and non chordates.

Ans: –

Chordates	Non chordates
Notochord is present	Notochord is absent
Post anal tail is present	Post anal tail is absent.

 

Name the phyla to which the following belong: wolf, earthworm, sponge,jelly fish, sparrow, butterfly, starfish, snail, tape worm, round worm.

 

Ans: –

Name	phylum
wolf	Chordates
Earthworm	Annelida
Sponge	Porifera
Jelly fish	Cnidaria
sparrow	Chordates
Butterfly	Arthopoda
Starfish	Echinoderms
snail	Mollusca
Tape worm	Platyhelminthes
Round worm	Nematodes

 

To which class of chordates do the following belong? Justify your inclusioninto the class by stating any one characteristic feature. Crow, lion, cobra,flying frog, shark, fresh water fish.

Ans: – Cow: – Aves, lion: – Mammalia, cobra: – reptile, flying frog: – Amphibian, shark: – Chondrichthyes, fresh water fish: – osteichithyes.

Write three sentences on why we need to classify and give scientific names toorganisms.

Ans: – Need for the classifying and scientific names –

• For separation from other species.
• To keep similar in same place.
• To understand about different at a glance.

 

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