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.
Give examples of Arthropod animals.
Q 2.
Name a reptile which has four chambered heart.
Q 3.
Give two examples of Gymnosperms.
Q 4.
What are the advantages of classification?
Q 5.
Cold blooded, two chamber heart, stream lined body, scales on skin, gills present, aquatic life. Which group of vertebrates are we referring to?
Q 6.
In how many kingdoms Carolus Linnaeus diving living beings?
Q 7.
Name the phylum to which the following are included. (i) Spider (ii) Cockroach (iii) Prawn (iv) Housefly
Q 8.
How is a body of Arthropods segmented?
Q 9.
What is the primary characteristic on which the first division of organisms is made?
Q 10.
Give three examples of Molluscs
Q 11.
Give three examples of the range of variations that you see in lifeforms around you.
Q 13.
What are the major divisions in the Plantae? What is the basis for these divisions?
Q 14.
Why are Thallophytes called non-embryonic plants?
Q 15.
Give examples of bryophytes.
Q 16.
Give examples of Porifera or Sponges.
Q 17.
Which animal phylum is considered to be first triploblastic animals?
Q 18.
What is the most striking feature of phylum Arthropoda?
Q 19.
How is locomotion brought in animals belonging to Mollusca phylum?
Q 21.
What is the criterion for classification of organisms as belonging to kingdom Monera or Protista?
Q 22.
On what basis plants are divided into two sub-kingdoms?
Q 23.
In how many Phyla, the animal kingdom is divided into?
Q 24.
What kind of circulatory system is found in animals from Mollusca phylum?
Q 25.
Give the scientific names of tiger, peacock, ant, neem, lotus and potato.
Q 26.
Name the three divisions of Plantae that have inconspicuous reproductive organs. What are their seeds called?
Q 27.
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 28.
Hydra, Jelly Fish, corals belog to which group of animals?
Q 29.
Commonly called flatworm, bilateral symmetrical, acoelomates are the features of which animal division?
Q 30.
Spiny skin, marine, triploblastic coelomates having water-driven tube system for locomotion. What type of group are we talking of?
Q 31.
Give an example of marsupial mammal
Q 32.
What do you mean by biodiversity?
Q 33.
Who wrote the book
The Origin of Species?
Q 34.
Name the book written by Carolus Linnaeus on the classification of organisms.
Q 35.
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 37.
List important characteristics (at least three) of bryophytes.
Q 38.
How are pteridophytes different from the phanerogams?
Q 39.
What are naked-seeded plants are called?
Q 40.
How do gymnosperms and angiosperms differ from each other?
Q 41.
What are the general characteristics found in all animals?
Q 42.
Which animal phylum is commonly called as flatworms?
Q 43.
Which phylum is commonly called roundworms or pinworms?
Q 44.
Name the largest group (phylum) of animals.
Q 45.
How do annelid animals differ from arthropods?
Q 46.
Give examples of animals that belong to Phylum Mollusca.
Q 47.
Name the phylum to which Start fish and Sea urchin belong to?
Q 48.
Name the phylum to which this organism belongs. Write any two characteristic feature of the phylum.
Q 49.
Name the substance which makes the cell wall of fungi.
Q 50.
In which kingdom would you place an organism which is unicellular, eukaryotic and photosynthetic?
