Question:
What is Symbiotic? Give an example of organisms which exhibit this relationship.
Answer:
Some fungal species live in mutually dependent relationship with blue-green algae. Such relationships are called symbiotic. These symbiotic life forms are called lichens. In lichens, the fungal component is called the mycobiont and the algal component is known as the phycobiont.
Diversity in Living Organisms
Q 1.
Name a reptile which has four chambered heart.
Q 2.
In how many kingdoms Carolus Linnaeus diving living beings?
Q 3.
Give examples of Arthropod animals.
Q 4.
Give three examples of Protochordata animals.
Q 5.
Write two important characteristics of sponges ?
Q 6.
Snakes, turtles, lizards and crocodiles belong to which category of vertebrates?
Q 7.
In which kingdom will you place an organism which is single-celled, eukaryotic and photosynthetic?
Q 8.
Blue-green algae are classified with bacteria and placed in kingdom Monera.
Q 9.
Why bryophytes are called the amphibians of the plant kingdom?
Q 10.
Differentiate between Annelida and Nematode.
Q 11.
Do Protozoans have eyes?
Q 12.
In which kingdom you will place an organism which is multicellular, eukaryotic, non-green heterotroph or saprophytic, lacks chlorophyll and has an absorptive mode of nutrition?
Q 13.
List important characteristics (at least three) of bryophytes.
Q 14.
Give two examples of Gymnosperms.
Q 15.
How is a body of Arthropods segmented?
Q 16.
Give examples of organisms which belong to Phylum Protochordata.
Q 17.
List three important characteristics of Phylum Protochordata.
Q 18.
In which kingdom would you place an organism which is unicellular, eukaryotic and photosynthetic?
Q 19.
In the hierarchy of classification, which group will have the smallest number of organisms and a maximum number of similar characteristics?
Q 20.
Who introduced the system of scientific nomenclature of organisms?
Q 21.
Algae belongs to which division of Plantae?
Q 22.
What type of circulatory system do Molluscs have?
Q 23.
Cold blooded, two chamber heart, stream lined body, scales on skin, gills present, aquatic life. Which group of vertebrates are we referring to?
Q 25.
Based on evolution, primarily how organisms are categorised?
Q 26.
Which organisms are called primitive and how are they different from the so-called advanced organisms?
Q 27.
According to the five-kingdom system, which kingdom contains organisms whose structure is composed of prokaryotic cells?
Q 28.
What are the major divisions in the Plantae? What is the basis for these divisions?
Q 29.
In how many Phyla, the animal kingdom is divided into?
Q 30.
Name the phylum to which Start fish and Sea urchin belong to?
Q 31.
Give the scientific names of tiger, peacock, ant, neem, lotus and potato.
Q 32.
Which in your opinion is more basic characteristic for classifying organism. The place where they live in or the kind of cells they are made of?
Q 33.
Give examples of the organisms that have cilia and flagellum for moving around.
Q 34.
Identify the plant groups which has net like veins in leaves, flower parts in group of fours or fives, vascular bundles are in a ring and two seed leaves.
Q 35.
Pines and Deodar belong to which group of Plants?
Q 36.
Filarial worms, (Ascaris)round worms, (Wuchereria)pin worms belong to which group of animalia?
Q 38.
Give three examples of the range of variations that you see in lifeforms around you.
Q 39.
What is the primary characteristic on which the first division of organisms is made?
Q 41.
Which region of the earth is called the region of megadiversity?
Q 42.
Name five countries that lie in the region of megadiversity.
Q 43.
Explain the basis for grouping organisms into five kingdoms.
Q 44.
Name the organisms which are outside the classification.
Q 45.
On what basis plants are divided into two sub-kingdoms?
Q 46.
Name the phylum to which the following are included. (i) Spider (ii) Cockroach (iii) Prawn (iv) Housefly
Q 48.
Give examples of Porifera or Sponges.
Q 49.
Which animal phylum is commonly called as flatworms?
Q 50.
How do poriferan animals differ from coelenterate animals?
