Question:
How do the saprophytes get their food? Give two examples of a saprophyte.
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.
Give three examples of organisms that are arthopods.
Q 4.
Give three examples of animals belong to Echinodermata
Q 5.
Name a reptile which has four chambered heart.
Q 6.
Leeches and Earthworms belong to which phylum?
Q 7.
How do annelid animals differ from arthropods?
Q 8.
What is a notochord? What does it do?
Q 9.
Which worms cause elephantiasis. Name the group it belongs to?
Q 10.
Will advanced organisms be the same as complex organisms? Why?
Q 11.
Which animal phylum is considered to be first triploblastic animals?
Q 12.
Give the scientific names of tiger, peacock, ant, neem, lotus and potato.
Q 13.
What is the primary characteristic on which the first division of organisms is made?
Q 14.
What is the mode of nutrition in Mushroom?
Q 15.
Eichler classified the plant kingdom into two sub-kingdoms. Name the two sub kingdoms.
Q 16.
Which division of plants are often called amphibians of the plant kingdom?
Q 17.
Give three examples of Protochordata animals.
Q 18.
Explain the basis for grouping organisms into five kingdoms.
Q 20.
How do thallophytes and pteridophytes differ from each other? Write two differences.
Q 21.
How Angiosperms are divided further?
Q 22.
Write the differences between monocots and dicots.
Q 23.
Identify the phylum having following characteristics:
Q 24.
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 25.
Give two examples of Pteridophyes
Q 26.
Commonly called flatworm, bilateral symmetrical, acoelomates are the features of which animal division?
Q 27.
Who wrote the book
The Origin of Species?
Q 28.
Name the book written by Carolus Linnaeus on the classification of organisms.
Q 29.
Who identified the Fungi as a separate multicellular eukaryotic kingdom and introduced five kingdoms? Name the five kingdoms.
Q 30.
Name the phylum to which this organism belongs. Write any two characteristic feature of the phylum.
Q 31.
In the hierarchy of classification, which group will have the largest number of organisms?
Q 32.
Name the simplest of plants that do not have a well-differentiated body design.
Q 33.
Woese introduced by dividing the Monera kingdom into two sub-kingdoms. Name the two?
Q 34.
Algae belongs to which division of Plantae?
Q 35.
Name the two groups of Plantae that are commonly called phanerogams.
Q 36.
Identify which of the following are monocots and dicots : garlic, onion, tomatoes, corn, peppers, potatoes, wheat, beans
Q 37.
Identify the Animalia group having following features:
Q 38.
Name the fish which is entirely made of cartilage.
Q 39.
No scales on skin, mucus glands on skin, three chambered heart, respiration through gills, lungs and skin, oviparous, live on land and in water. Name the group of these vertebrates.
Q 40.
What do you mean by biodiversity?
Q 41.
Why do we classify organisms?
Q 42.
Why is there a need for classification and systematic naming of living organisms?
Q 43.
In the hierarchy of classification, which grouping will have the smallest number of organisms with a maximum of characteristics in common and which will have the largest number of organisms?
Q 44.
Name the scientist who created the third kingdom for all microscopic unicellular organisms. What did he call it?
Q 45.
Name the organisms which are outside the classification.
Q 46.
(a) What are saprophytes?
(b) Name the kingdom to which they belong.
(c) What is the cell wall of fungi made up of?
Q 47.
Give examples of Thallophyta plants.
Q 48.
Why are Thallophytes called non-embryonic plants?
Q 49.
Why bryophytes are called the amphibians of the plant kingdom?
Q 50.
List important characteristics (at least three) of bryophytes.
