Question:
What are the uses of bryophytes?
Answer:
Bryophytes have good water holding capacity, therefore these are used in horticulture. They are used in medicines, construction material, smoke filters etc.
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.
What is the main basis of differentiation between vertebrates and non-vertebrates?
Q 8.
What is the criterion for classification of organisms as belonging to kingdom Monera or Protista?
Q 9.
Name a parasitic disease caused by members of Nematoda.
Q 10.
What kind of circulatory system is found in animals from Mollusca phylum?
Q 11.
Write the name of the group of plants, which produces seeds, but not fruits.
Q 12.
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 13.
Give three examples of Protochordata animals.
Q 14.
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 15.
In which kingdom will you place an organism which is single-celled, eukaryotic and photosynthetic?
Q 16.
Blue-green algae are classified with bacteria and placed in kingdom Monera.
Q 17.
Why are Thallophytes called non-embryonic plants?
Q 18.
How do gymnosperms and angiosperms differ from each other?
Q 19.
Write the differences between monocots and dicots.
Q 20.
In how many Phyla, the animal kingdom is divided into?
Q 21.
Write two important characteristics of sponges ?
Q 22.
Name a symbiotic life form that grows on the bark of a tree as large, coloured patches.
Q 23.
In the hierarchy of classification, which group will have the smallest number of organisms and a maximum number of similar characteristics?
Q 24.
In the hierarchy of classification, which group will have the largest number of organisms?
Q 25.
Who introduced the system of scientific nomenclature of organisms?
Q 26.
What is the primary characteristic on which the first division of organisms is made?
Q 27.
What is the mode of nutrition in Mushroom?
Q 28.
Name the kingdom which includes the simplest form of eukaryotes.
Q 29.
Name the simplest of plants that do not have a well-differentiated body design.
Q 30.
Name the two groups of Plantae that are commonly called phanerogams.
Q 31.
Give two examples of Bryophyta plants?
Q 32.
Sunflower, Maize, Wheat and Pea belong to which group of plants?
Q 33.
Identify which of the following are monocots and dicots : garlic, onion, tomatoes, corn, peppers, potatoes, wheat, beans
Q 34.
Give three examples of Molluscs
Q 35.
Give three examples of animals belong to Echinodermata
Q 36.
Name the fish which is entirely made of cartilage.
Q 37.
Snakes, turtles, lizards and crocodiles belong to which category of vertebrates?
Q 38.
What do you mean by biodiversity?
Q 39.
Who is known as the father of taxonomy?
Q 40.
Give three examples of the range of variations that you see in lifeforms around you.
Q 41.
Name five countries that lie in the region of megadiversity.
Q 43.
Name the levels of classification proposed by Linnaeus. What happens to similarities among organisms as we go from top to bottom level?
Q 44.
Name the scientist who created the third kingdom for all microscopic unicellular organisms. What did he call it?
Q 45.
What is Symbiotic? Give an example of organisms which exhibit this relationship.
Q 46.
What are the major divisions in the Plantae? What is the basis for these divisions?
Q 47.
List important characteristics (at least three) of bryophytes.
Q 48.
How are pteridophytes different from the phanerogams?
Q 49.
What are naked-seeded plants are called?
Q 50.
Do sponges have a nervous system?