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.
Name a reptile which has four chambered heart.
Q 2.
What do you mean by biodiversity?
Q 3.
Give examples of bryophytes.
Q 4.
In how many kingdoms Carolus Linnaeus diving living beings?
Q 5.
Give examples of Arthropod animals.
Q 6.
What are naked-seeded plants are called?
Q 7.
Identify the Animalia group having following features:
Q 8.
Who is known as the father of taxonomy?
Q 9.
What is the criterion for classification of organisms as belonging to kingdom Monera or Protista?
Q 11.
Write important features about Phylum Platyhelminthes.
Q 12.
How do poriferan animals differ from coelenterate animals?
Q 13.
In which kingdom would you place an organism which is unicellular, eukaryotic and photosynthetic?
Q 14.
Which division of plants are often called amphibians of the plant kingdom?
Q 15.
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 16.
Cold blooded, two chamber heart, stream lined body, scales on skin, gills present, aquatic life. Which group of vertebrates are we referring to?
Q 17.
Give an example of mammal that can fly.
Q 18.
Give three examples of the range of variations that you see in lifeforms around you.
Q 19.
In the hierarchy of classification, which grouping will have the smallest number of organisms with a maximum of characteristics in common and which will have the largest number of organisms?
Q 20.
How do the saprophytes get their food? Give two examples of a saprophyte.
Q 21.
Give two examples of Gymnosperms.
Q 22.
What are the general characteristics found in all animals?
Q 23.
In how many Phyla, the animal kingdom is divided into?
Q 24.
Differentiate between Annelida and Nematode.
Q 25.
What is the most striking feature of phylum Arthropoda?
Q 26.
In the hierarchy of classification, which group will have the largest number of organisms?
Q 27.
Give three examples of Molluscs
Q 28.
Give three examples of flightless birds.
Q 29.
Name the organisms which are outside the classification.
Q 30.
On what basis plants are divided into two sub-kingdoms?
Q 31.
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 32.
Name the simplest of plants that do not have a well-differentiated body design.
Q 33.
Name the two groups of Plantae that are commonly called phanerogams.
Q 34.
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 35.
Commonly called flatworm, bilateral symmetrical, acoelomates are the features of which animal division?
Q 36.
Ambibian heart is divided into how many chambers?
Q 37.
Name the fish having skeleton made of both bone and cartilage.
Q 38.
Give an example of marsupial mammal
Q 39.
What are the major divisions in the Plantae? What is the basis for these divisions?
Q 40.
Why are Thallophytes called non-embryonic plants?
Q 41.
Name the phylum to which the following are included. (i) Spider (ii) Cockroach (iii) Prawn (iv) Housefly
Q 42.
Which animal phylum is considered to be first triploblastic animals?
Q 43.
How is a body of Arthropods segmented?
Q 44.
What kind of circulatory system is found in animals from Mollusca phylum?
Q 45.
Name the phylum to which Start fish and Sea urchin belong to?
Q 46.
Give examples of organisms which belong to Phylum Protochordata.
Q 47.
Name a symbiotic life form that grows on the bark of a tree as large, coloured patches.
Q 48.
What is the primary characteristic on which the first division of organisms is made?
Q 49.
Woese introduced by dividing the Monera kingdom into two sub-kingdoms. Name the two?
Q 50.
Algae belongs to which division of Plantae?
