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 the plants that are called "
First vascular land plants".
Q 2.
Give three examples of animals belong to Echinodermata
Q 3.
What is a notochord? What does it do?
Q 4.
Name a reptile which has four chambered heart.
Q 5.
Give examples of egg laying mammals
Q 6.
Commonly called flatworm, bilateral symmetrical, acoelomates are the features of which animal division?
Q 7.
Give three examples of flightless birds.
Q 8.
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 9.
Which animal phylum is commonly called as flatworms?
Q 10.
In the hierarchy of classification, which group will have the largest number of organisms?
Q 11.
Which division of plants are often called amphibians of the plant kingdom?
Q 12.
Algae belongs to which division of Plantae?
Q 13.
Name the three divisions of Plantae that have inconspicuous reproductive organs. What are their seeds called?
Q 14.
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 15.
Which worms cause elephantiasis. Name the group it belongs to?
Q 16.
Give three examples of organisms that are arthopods.
Q 17.
Give an example of mammal that can fly.
Q 18.
Which do you think is a more basic characteristic for classifying organisms?(a) the place where they live.(b) the kind of cells they are made of. Why?
Q 19.
On what bases are plants and animals put into different categories?
Q 20.
Name the levels of classification proposed by Linnaeus. What happens to similarities among organisms as we go from top to bottom level?
Q 21.
Give examples of bryophytes.
Q 22.
Which phylum is commonly called roundworms or pinworms?
Q 23.
Differentiate between Annelida and Nematode.
Q 24.
How is a body of Arthropods segmented?
Q 25.
What kind of circulatory system is found in animals from Mollusca phylum?
Q 26.
Name the phylum to which Start fish and Sea urchin belong to?
Q 27.
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 28.
Hydra, Jelly Fish, corals belog to which group of animals?
Q 29.
Snakes, turtles, lizards and crocodiles belong to which category of vertebrates?
Q 30.
What do you mean by biodiversity?
Q 31.
Will advanced organisms be the same as complex organisms? Why?
Q 32.
Name the scientist who created the third kingdom for all microscopic unicellular organisms. What did he call it?
Q 33.
Who identified the Fungi as a separate multicellular eukaryotic kingdom and introduced five kingdoms? Name the five kingdoms.
Q 34.
How do the saprophytes get their food? Give two examples of a saprophyte.
Q 35.
What are naked-seeded plants are called?
Q 36.
Write the differences between monocots and dicots.
Q 38.
Identify the phylum having following characteristics:
Q 39.
Animals belong to phylum Coelenterata are diploblastic. What do you mean by the term diploblastic?
Q 40.
Name a parasitic disease caused by members of Nematoda.
Q 41.
Why are Bats and whales classified as mammals?
Q 42.
Woese introduced by dividing the Monera kingdom into two sub-kingdoms. Name the two?
Q 43.
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 44.
What type of circulatory system do Molluscs have?
Q 45.
Spiny skin, marine, triploblastic coelomates having water-driven tube system for locomotion. What type of group are we talking of?
Q 46.
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 47.
Give three examples of Amphibians.
Q 48.
Why do we classify organisms?
Q 49.
Who wrote the book
The Origin of Species?
Q 50.
Which organisms are called primitive and how are they different from the so-called advanced organisms?
