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.
Snakes, turtles, lizards and crocodiles belong to which category of vertebrates?
Q 2.
Name the levels of classification proposed by Linnaeus. What happens to similarities among organisms as we go from top to bottom level?
Q 3.
Why do we classify organisms?
Q 5.
In the hierarchy of classification, which group will have the largest number of organisms?
Q 6.
What are the general characteristics found in all animals?
Q 7.
Give examples of Porifera or Sponges.
Q 8.
Give three examples of Molluscs
Q 9.
Name the book written by Carolus Linnaeus on the classification of organisms.
Q 10.
Who identified the Fungi as a separate multicellular eukaryotic kingdom and introduced five kingdoms? Name the five kingdoms.
Q 11.
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 12.
Define Cryptograms.
Q 13.
How Angiosperms are divided further?
Q 14.
Give examples of Arthropod animals.
Q 15.
Give examples of animals that belong to Phylum Mollusca.
Q 16.
In the hierarchy of classification, which group will have the smallest number of organisms and a maximum number of similar characteristics?
Q 17.
What is the primary characteristic on which the first division of organisms is made?
Q 18.
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 19.
Cold blooded, two chamber heart, stream lined body, scales on skin, gills present, aquatic life. Which group of vertebrates are we referring to?
Q 20.
Give three examples of flightless birds.
Q 21.
Which organisms are called primitive and how are they different from the so-called advanced organisms?
Q 22.
Blue-green algae are classified with bacteria and placed in kingdom Monera.
Q 23.
What are the uses of bryophytes?
Q 24.
What are naked-seeded plants are called?
Q 25.
What is the most striking feature of phylum Arthropoda?
Q 26.
How is a body of Arthropods segmented?
Q 27.
What is the type of circulatory system present in Arthropods?
Q 28.
How do annelid animals differ from arthropods?
Q 29.
What kind of circulatory system is found in animals from Mollusca phylum?
Q 30.
How is locomotion brought in animals belonging to Mollusca phylum?
Q 31.
Name the phylum to which Start fish and Sea urchin belong to?
Q 32.
What is a notochord? What does it do?
Q 33.
Give examples of organisms which belong to Phylum Protochordata.
Q 34.
Why are Bats and whales classified as mammals?
Q 35.
Give the scientific names of tiger, peacock, ant, neem, lotus and potato.
Q 36.
In which kingdom would you place an organism which is unicellular, eukaryotic and photosynthetic?
Q 37.
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 38.
Give examples of the organisms that have cilia and flagellum for moving around.
Q 39.
Who introduced the system of scientific nomenclature of organisms?
Q 40.
What is the mode of nutrition in Mushroom?
Q 41.
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 42.
Name the three divisions of Plantae that have inconspicuous reproductive organs. What are their seeds called?
Q 43.
Name the two groups of Plantae that are commonly called phanerogams.
Q 44.
Give two examples of Bryophyta plants?
Q 45.
Give two examples of Pteridophyes
Q 46.
Pines and Deodar belong to which group of Plants?
Q 47.
Identify which of the following are monocots and dicots : garlic, onion, tomatoes, corn, peppers, potatoes, wheat, beans
Q 48.
Minimal body design, have holes which lead to canal system that helps in circulating water, marine habitat. Which division of Animalia it refers to?
Q 49.
Commonly called flatworm, bilateral symmetrical, acoelomates are the features of which animal division?
Q 50.
Identify the Animalia group having following features:
