Question:
Which animal phylum is considered to be first triploblastic animals?
Answer:
Platyhelminthes. Animals of this phylum are the first simplest triploblastic animals. They have three layers i.e. endoderm, mesoderm and ectoderm.
Diversity in Living Organisms
Q 1.
Name a reptile which has four chambered heart.
Q 2.
In how many kingdoms Carolus Linnaeus diving living beings?
Q 3.
Give examples of Arthropod animals.
Q 4.
Give three examples of Protochordata animals.
Q 5.
Write two important characteristics of sponges ?
Q 6.
How is a body of Arthropods segmented?
Q 7.
In the hierarchy of classification, which group will have the smallest number of organisms and a maximum number of similar characteristics?
Q 8.
Snakes, turtles, lizards and crocodiles belong to which category of vertebrates?
Q 9.
In which kingdom will you place an organism which is single-celled, eukaryotic and photosynthetic?
Q 10.
Blue-green algae are classified with bacteria and placed in kingdom Monera.
Q 11.
Why bryophytes are called the amphibians of the plant kingdom?
Q 12.
Give examples of organisms which belong to Phylum Protochordata.
Q 13.
Give the scientific names of tiger, peacock, ant, neem, lotus and potato.
Q 14.
In which kingdom would you place an organism which is unicellular, eukaryotic and photosynthetic?
Q 15.
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 16.
Filarial worms, (Ascaris)round worms, (Wuchereria)pin worms belong to which group of animalia?
Q 17.
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 18.
What are the major divisions in the Plantae? What is the basis for these divisions?
Q 19.
Which animal phylum is commonly called as flatworms?
Q 20.
Differentiate between Annelida and Nematode.
Q 21.
Name the phylum to which Start fish and Sea urchin belong to?
Q 22.
Who introduced the system of scientific nomenclature of organisms?
Q 23.
Do Protozoans have eyes?
Q 24.
Give three examples of Molluscs
Q 25.
What type of circulatory system do Molluscs have?
Q 27.
Name five countries that lie in the region of megadiversity.
Q 29.
Name the book written by Carolus Linnaeus on the classification of organisms.
Q 30.
According to the five-kingdom system, which kingdom contains organisms whose structure is composed of prokaryotic cells?
Q 31.
List important characteristics (at least three) of bryophytes.
Q 32.
Give two examples of Gymnosperms.
Q 33.
How do gymnosperms and angiosperms differ from each other?
Q 34.
In how many Phyla, the animal kingdom is divided into?
Q 35.
What is a notochord? What does it do?
Q 36.
List three important characteristics of Phylum Protochordata.
Q 37.
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 38.
Eichler classified the plant kingdom into two sub-kingdoms. Name the two sub kingdoms.
Q 39.
Algae belongs to which division of Plantae?
Q 40.
Identify plant group which has parallel venation, scattered vascular bundles, flower petals/parts in multiple of three, fibrous roots.
Q 41.
Give two examples of Pteridophyes
Q 42.
Pines and Deodar belong to which group of Plants?
Q 43.
Commonly called flatworm, bilateral symmetrical, acoelomates are the features of which animal division?
Q 44.
Which worms cause elephantiasis. Name the group it belongs to?
Q 45.
Cold blooded, two chamber heart, stream lined body, scales on skin, gills present, aquatic life. Which group of vertebrates are we referring to?
Q 46.
Name the fish which is entirely made of cartilage.
Q 47.
Name the fish having skeleton made of both bone and cartilage.
Q 48.
No scales on skin, mucus glands on skin, three chambered heart, respiration through gills, lungs and skin, oviparous, live on land and in water. Name the group of these vertebrates.
Q 49.
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?
