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.
On what bases are plants and animals put into different categories?
Q 3.
Woese introduced by dividing the Monera kingdom into two sub-kingdoms. Name the two?
Q 4.
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 5.
Commonly called flatworm, bilateral symmetrical, acoelomates are the features of which animal division?
Q 6.
Which animal phylum is commonly called as flatworms?
Q 7.
Name the kingdom which includes the simplest form of eukaryotes.
Q 8.
Write the name of the group of plants, which produces seeds, but not fruits.
Q 9.
What is the main basis of differentiation between vertebrates and non-vertebrates?
Q 10.
What is the criterion for classification of organisms as belonging to kingdom Monera or Protista?
Q 11.
What are the uses of bryophytes?
Q 12.
Define Cryptograms.
Q 13.
Name a parasitic disease caused by members of Nematoda.
Q 14.
What kind of circulatory system is found in animals from Mollusca phylum?
Q 15.
In the hierarchy of classification, which group will have the smallest number of organisms and a maximum number of similar characteristics?
Q 16.
Give two examples of Bryophyta plants?
Q 17.
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 18.
Give three examples of Protochordata animals.
Q 19.
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 20.
Give three examples of the range of variations that you see in lifeforms around you.
Q 21.
Name five countries that lie in the region of megadiversity.
Q 22.
Explain the basis for grouping organisms into five kingdoms.
Q 23.
In which kingdom will you place an organism which is single-celled, eukaryotic and photosynthetic?
Q 24.
Blue-green algae are classified with bacteria and placed in kingdom Monera.
Q 25.
Why are Thallophytes called non-embryonic plants?
Q 26.
List important characteristics (at least three) of bryophytes.
Q 27.
Give examples of bryophytes.
Q 28.
How are pteridophytes different from the phanerogams?
Q 29.
How do gymnosperms and angiosperms differ from each other?
Q 30.
Write the differences between monocots and dicots.
Q 31.
In how many Phyla, the animal kingdom is divided into?
Q 32.
Write two important characteristics of sponges ?
Q 33.
How do poriferan animals differ from coelenterate animals?
Q 34.
Which phylum is commonly called roundworms or pinworms?
Q 35.
Give examples of animals that belong to Phylum Mollusca.
Q 36.
How is locomotion brought in animals belonging to Mollusca phylum?
Q 37.
Name a symbiotic life form that grows on the bark of a tree as large, coloured patches.
Q 38.
In the hierarchy of classification, which group will have the largest number of organisms?
Q 39.
Who introduced the system of scientific nomenclature of organisms?
Q 40.
What is the primary characteristic on which the first division of organisms is made?
Q 41.
What is the mode of nutrition in Mushroom?
Q 42.
Name the simplest of plants that do not have a well-differentiated body design.
Q 43.
Name the three divisions of Plantae that have inconspicuous reproductive organs. What are their seeds called?
Q 44.
Name the two groups of Plantae that are commonly called phanerogams.
Q 45.
Identify plant group which has parallel venation, scattered vascular bundles, flower petals/parts in multiple of three, fibrous roots.
Q 46.
Sunflower, Maize, Wheat and Pea 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.
Give three examples of Molluscs
Q 49.
Give three examples of animals belong to Echinodermata
Q 50.
Ambibian heart is divided into how many chambers?
