Question:
Animals belong to phylum Coelenterata are diploblastic. What do you mean by the term diploblastic?
Answer:
Diploblastic means animals having two germ layers. Body walls of animals of phylum Coelenterata are made up of two layers, of which outer is called ectoderm and inner is endoderm. Between these two layers found jelly like substance mesoglea.
Diversity in Living Organisms
Q 1.
Commonly called flatworm, bilateral symmetrical, acoelomates are the features of which animal division?
Q 2.
Name the levels of classification proposed by Linnaeus. What happens to similarities among organisms as we go from top to bottom level?
Q 3.
Why do we classify organisms?
Q 4.
How Phanerogams are divided further chiefly?
Q 5.
Give examples of organisms which belong to Phylum Protochordata.
Q 6.
Why are Bats and whales classified as mammals?
Q 7.
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 8.
Snakes, turtles, lizards and crocodiles belong to which category of vertebrates?
Q 9.
Who wrote the book
The Origin of Species?
Q 10.
Filarial worms, (Ascaris)round worms, (Wuchereria)pin worms belong to which group of animalia?
Q 11.
Write the differences between monocots and dicots.
Q 12.
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 13.
Give examples of egg laying mammals
Q 14.
In how many kingdoms Carolus Linnaeus diving living beings?
Q 15.
What are naked-seeded plants are called?
Q 16.
Which animal phylum is commonly called as flatworms?
Q 17.
Write important features about Phylum Platyhelminthes.
Q 18.
Which is the largest group of animals?
Q 19.
Give three examples of animals belong to Echinodermata
Q 21.
Name a parasitic disease caused by members of Nematoda.
Q 22.
Name the largest group (phylum) of animals.
Q 23.
Name the phylum to which Start fish and Sea urchin belong to?
Q 24.
In the hierarchy of classification, which group will have the largest number of organisms?
Q 25.
Name the kingdom which includes the simplest form of eukaryotes.
Q 26.
Woese introduced by dividing the Monera kingdom into two sub-kingdoms. Name the two?
Q 27.
Write the name of the group of plants, which produces seeds, but not fruits.
Q 28.
Hydra, Jelly Fish, corals belog to which group of animals?
Q 29.
Give three examples of Molluscs
Q 30.
Give three examples of Protochordata animals.
Q 31.
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 32.
How do gymnosperms and angiosperms differ from each other?
Q 33.
Give examples of animals belong to Nematoda.
Q 34.
Give examples of Arthropod animals.
Q 35.
How do annelid animals differ from arthropods?
Q 36.
Give examples of animals that belong to Phylum Mollusca.
Q 37.
What is a notochord? What does it do?
Q 38.
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 39.
Algae belongs to which division of Plantae?
Q 40.
Name the two groups of Plantae that are commonly called phanerogams.
Q 41.
Name a reptile which has four chambered heart.
Q 42.
Which do you think is a more basic characteristic for classifying organisms?(a) the place where they live.(b) the kind of cells they are made of. Why?
Q 44.
On what basis plants are divided into two sub-kingdoms?
Q 45.
How Angiosperms are divided further?
Q 47.
Give examples of Porifera or Sponges.
Q 48.
How do poriferan animals differ from coelenterate animals?
Q 49.
Differentiate between Annelida and Nematode.
Q 50.
How is a body of Arthropods segmented?
