Question:
(a) What are saprophytes?
(b) Name the kingdom to which they belong.
(c) What is the cell wall of fungi made up of?
Answer:
(a) Saprophytes are the organisms which use decaying organic material as food. Examples are Rhizopus, yeast, mushrooms, Aspergillus, Penicillium, Agaricus.
(b) They belong to kingdom Fungi.
(c) They have cell walls made of a tough complex sugar called chitin.
Diversity in Living Organisms
Q 1.
Which region of the earth is called the region of megadiversity?
Q 2.
Name the plants that are called "
First vascular land plants".
Q 3.
What is a notochord? What does it do?
Q 4.
Give three examples of organisms that are arthopods.
Q 5.
Give three examples of animals belong to Echinodermata
Q 6.
Name a reptile which has four chambered heart.
Q 7.
Explain the basis for grouping organisms into five kingdoms.
Q 8.
Leeches and Earthworms belong to which phylum?
Q 9.
How do annelid animals differ from arthropods?
Q 10.
Which worms cause elephantiasis. Name the group it belongs to?
Q 11.
Who wrote the book
The Origin of Species?
Q 12.
Will advanced organisms be the same as complex organisms? Why?
Q 13.
How Angiosperms are divided further?
Q 14.
Write the differences between monocots and dicots.
Q 15.
Give examples of Porifera or Sponges.
Q 16.
Identify the phylum having following characteristics:
Q 17.
Which animal phylum is considered to be first triploblastic animals?
Q 18.
Give the scientific names of tiger, peacock, ant, neem, lotus and potato.
Q 19.
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 20.
What is the primary characteristic on which the first division of organisms is made?
Q 21.
What is the mode of nutrition in Mushroom?
Q 22.
Eichler classified the plant kingdom into two sub-kingdoms. Name the two sub kingdoms.
Q 23.
Which division of plants are often called amphibians of the plant kingdom?
Q 24.
Give three examples of Protochordata animals.
Q 26.
How do thallophytes and pteridophytes differ from each other? Write two differences.
Q 27.
In how many Phyla, the animal kingdom is divided into?
Q 28.
How do poriferan animals differ from coelenterate animals?
Q 29.
Name the phylum to which this organism belongs. Write any two characteristic feature of the phylum.
Q 30.
Give examples of the organisms that have cilia and flagellum for moving around.
Q 31.
In the hierarchy of classification, which group will have the largest number of organisms?
Q 32.
Woese introduced by dividing the Monera kingdom into two sub-kingdoms. Name the two?
Q 33.
Algae belongs to which division of Plantae?
Q 34.
Give two examples of Pteridophyes
Q 35.
Commonly called flatworm, bilateral symmetrical, acoelomates are the features of which animal division?
Q 36.
Identify the Animalia group having following features:
Q 37.
Ambibian heart is divided into how many chambers?
Q 38.
Give an example of marsupial mammal
Q 39.
What do you mean by biodiversity?
Q 40.
Why is there a need for classification and systematic naming of living organisms?
Q 41.
Name the book written by Carolus Linnaeus on the classification of organisms.
Q 42.
Name the levels of classification proposed by Linnaeus. What happens to similarities among organisms as we go from top to bottom level?
Q 43.
Who identified the Fungi as a separate multicellular eukaryotic kingdom and introduced five kingdoms? Name the five kingdoms.
Q 44.
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 45.
Why bryophytes are called the amphibians of the plant kingdom?
Q 46.
List important characteristics (at least three) of bryophytes.
Q 47.
How Phanerogams are divided further chiefly?
Q 48.
Give two examples of Gymnosperms.
Q 49.
What are four main features of phylum coelenterates?
Q 50.
Give examples of animals belong to Nematoda.
