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.
Name a reptile which has four chambered heart.
Q 2.
In which kingdom would you place an organism which is unicellular, eukaryotic and photosynthetic?
Q 3.
Why bryophytes are called the amphibians of the plant kingdom?
Q 4.
List important characteristics (at least three) of bryophytes.
Q 5.
How Angiosperms are divided further?
Q 6.
How is locomotion brought in animals belonging to Mollusca phylum?
Q 7.
Woese introduced by dividing the Monera kingdom into two sub-kingdoms. Name the two?
Q 8.
Give three examples of Molluscs
Q 9.
Based on evolution, primarily how organisms are categorised?
Q 10.
In how many kingdoms Carolus Linnaeus diving living beings?
Q 11.
In which kingdom, you will place an organism which is multicellular, eukaryotic, heterotroph, lacks chlorophyll and has an ingestive mode of nutrition.
Q 12.
Give examples of Porifera or Sponges.
Q 13.
Give examples of Arthropod animals.
Q 14.
Name the phylum to which this organism belongs. Write any two characteristic feature of the phylum.
Q 15.
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 16.
Will advanced organisms be the same as complex organisms? Why?
Q 17.
What is Symbiotic? Give an example of organisms which exhibit this relationship.
Q 18.
Which division among plants has the simplest organisms?
Q 19.
Which animal phylum is considered to be first triploblastic animals?
Q 20.
Who introduced the system of scientific nomenclature of organisms?
Q 21.
Name the simplest of plants that do not have a well-differentiated body design.
Q 22.
Write the name of the group of plants, which produces seeds, but not fruits.
Q 23.
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 24.
Identify plant group which has parallel venation, scattered vascular bundles, flower petals/parts in multiple of three, fibrous roots.
Q 25.
Pines and Deodar belong to which group of Plants?
Q 26.
Sunflower, Maize, Wheat and Pea belong to which group of plants?
Q 27.
Hydra, Jelly Fish, corals belog to which group of animals?
Q 28.
Filarial worms, (Ascaris)round worms, (Wuchereria)pin worms belong to which group of animalia?
Q 29.
Give three examples of Protochordata animals.
Q 30.
What is the main basis of differentiation between vertebrates and non-vertebrates?
Q 31.
Four Chambered heart, mostly viviparous, skin covered with hairs, skin contains sweat and oil glands, four chambered heart. Which category of vertebrates are we talking about?
Q 32.
Give an example of marsupial mammal
Q 33.
Give an example of mammal that can fly.
Q 34.
Who is known as the father of taxonomy?
Q 35.
Name the levels of classification proposed by Linnaeus. What happens to similarities among organisms as we go from top to bottom level?
Q 36.
Blue-green algae are classified with bacteria and placed in kingdom Monera.
Q 37.
Why are Thallophytes called non-embryonic plants?
Q 39.
On what basis plants are divided into two sub-kingdoms?
Q 40.
How are pteridophytes different from the phanerogams?
Q 41.
Write two important characteristics of sponges ?
Q 42.
Which animal phylum is commonly called as flatworms?
Q 43.
Which phylum is commonly called roundworms or pinworms?
Q 44.
Name the first animals (phylum) that have a true body cavity.
Q 45.
Differentiate between Annelida and Nematode.
Q 46.
What is the most striking feature of phylum Arthropoda?
Q 47.
What is the type of circulatory system present in Arthropods?
Q 48.
What kind of circulatory system is found in animals from Mollusca phylum?
Q 49.
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 50.
Identify which of the following are monocots and dicots : garlic, onion, tomatoes, corn, peppers, potatoes, wheat, beans
