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.
Give examples of Arthropod animals.
Q 2.
Name a reptile which has four chambered heart.
Q 3.
In how many kingdoms Carolus Linnaeus diving living beings?
Q 4.
Give two examples of Gymnosperms.
Q 5.
How is a body of Arthropods segmented?
Q 6.
Cold blooded, two chamber heart, stream lined body, scales on skin, gills present, aquatic life. Which group of vertebrates are we referring to?
Q 7.
What are the advantages of classification?
Q 8.
What is the criterion for classification of organisms as belonging to kingdom Monera or Protista?
Q 9.
Name the phylum to which the following are included. (i) Spider (ii) Cockroach (iii) Prawn (iv) Housefly
Q 10.
Which animal phylum is considered to be first triploblastic animals?
Q 12.
What are the major divisions in the Plantae? What is the basis for these divisions?
Q 13.
Give examples of bryophytes.
Q 14.
Which worms cause elephantiasis. Name the group it belongs to?
Q 15.
Give three examples of the range of variations that you see in lifeforms around you.
Q 16.
Why are Thallophytes called non-embryonic plants?
Q 17.
On what basis plants are divided into two sub-kingdoms?
Q 18.
Give examples of Porifera or Sponges.
Q 19.
Give the scientific names of tiger, peacock, ant, neem, lotus and potato.
Q 20.
What is the primary characteristic on which the first division of organisms is made?
Q 21.
Name the kingdom which includes the simplest form of eukaryotes.
Q 22.
Give three examples of Molluscs
Q 23.
Who wrote the book
The Origin of Species?
Q 24.
How are pteridophytes different from the phanerogams?
Q 25.
In how many Phyla, the animal kingdom is divided into?
Q 26.
Identify the phylum having following characteristics:
Q 27.
What is the most striking feature of phylum Arthropoda?
Q 28.
What is the type of circulatory system present in Arthropods?
Q 29.
What kind of circulatory system is found in animals from Mollusca phylum?
Q 30.
Give examples of organisms which belong to Phylum Protochordata.
Q 31.
List three important characteristics of Phylum Protochordata.
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.
Amar, Ujala and Anara wrote the scientic name of mango as follows. Who wrote it correctly.
Amar - Mangifera Indica
Ujala - Mangifera indica
Anara - mangifera indica
Q 35.
Algae belongs to which division of Plantae?
Q 36.
Identify the division of Plantae having following characteristics:
i. Seeds not enclosed within fruit.
ii. Flowers represented as cones (unisexual)
iii. Ovules not located in ovary.
Q 37.
Hydra, Jelly Fish, corals belog to which group of animals?
Q 38.
Spiny skin, marine, triploblastic coelomates having water-driven tube system for locomotion. What type of group are we talking of?
Q 39.
Ambibian heart is divided into how many chambers?
Q 40.
Name the fish which is entirely made of cartilage.
Q 41.
Give an example of marsupial mammal
Q 42.
Give examples of Thallophyta plants.
Q 43.
Which division among plants has the simplest organisms?
Q 45.
List important characteristics (at least three) of bryophytes.
Q 46.
How do thallophytes and pteridophytes differ from each other? Write two differences.
Q 47.
What are naked-seeded plants are called?
Q 48.
What are the general characteristics found in all animals?
Q 49.
What are four main features of phylum coelenterates?
Q 50.
Write important features about Phylum Platyhelminthes.
