Question:
Why bryophytes are called the amphibians of the plant kingdom?
Answer:
Bryophytes are known as 'amphibians of the plant kingdom' because these plants can live in soil but are dependent on water for sexual reproduction.Usually, they are found in humid and damp areas.
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 naked-seeded plants are called?
Q 24.
How do annelid animals differ from arthropods?
Q 25.
What is a notochord? What does it do?
Q 26.
In which kingdom would you place an organism which is unicellular, eukaryotic and photosynthetic?
Q 27.
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 28.
Give two examples of Bryophyta plants?
Q 29.
Identify which of the following are monocots and dicots : garlic, onion, tomatoes, corn, peppers, potatoes, wheat, beans
Q 30.
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 31.
Give three examples of organisms that are arthopods.
Q 32.
Give three examples of Protochordata animals.
Q 33.
Ambibian heart is divided into how many chambers?
Q 34.
What changes are evolved in limbs of aves?
Q 35.
Give an example of mammal that can fly.
Q 36.
Give three examples of the range of variations that you see in lifeforms around you.
Q 37.
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 39.
On what bases are plants and animals put into different categories?
Q 40.
In how many kingdoms Carolus Linnaeus diving living beings?
Q 41.
Name the scientist who created the third kingdom for all microscopic unicellular organisms. What did he call it?
Q 42.
What is the criterion for classification of organisms as belonging to kingdom Monera or Protista?
Q 43.
In which kingdom will you place an organism which is single-celled, eukaryotic and photosynthetic?
Q 44.
In which kingdom, you will place an organism which is multicellular, eukaryotic, heterotroph, lacks chlorophyll and has an ingestive mode of nutrition.
Q 45.
Name the organisms which are outside the classification.
Q 46.
How do the saprophytes get their food? Give two examples of a saprophyte.
Q 48.
List important characteristics (at least three) of bryophytes.
Q 49.
Give examples of bryophytes.
Q 50.
What are the uses of bryophytes?
