Question:
Write important features about Phylum Platyhelminthes.
Answer:
- Mostly parasitic
- First simplest triploblastic animals i.e. having three layers of body cells.
- Bilaterally symmetrical
- No true internal body cavity or coelom
- Body is dorsoventrally flattened
- Examples: Planaria, Liverfluke, Tapeworm
Diversity in Living Organisms
Q 1.
Name the plants that are called "
First vascular land plants".
Q 2.
Give three examples of animals belong to Echinodermata
Q 3.
Name a reptile which has four chambered heart.
Q 4.
Give examples of egg laying mammals
Q 5.
What is a notochord? What does it do?
Q 6.
Commonly called flatworm, bilateral symmetrical, acoelomates are the features of which animal division?
Q 7.
Give three examples of flightless birds.
Q 8.
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 9.
Which animal phylum is commonly called as flatworms?
Q 10.
Which division of plants are often called amphibians of the plant kingdom?
Q 11.
Name the three divisions of Plantae that have inconspicuous reproductive organs. What are their seeds called?
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.
Which worms cause elephantiasis. Name the group it belongs to?
Q 14.
Give three examples of organisms that are arthopods.
Q 15.
Give an example of mammal that can fly.
Q 16.
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 17.
Give examples of bryophytes.
Q 18.
What kind of circulatory system is found in animals from Mollusca phylum?
Q 19.
Name the phylum to which Start fish and Sea urchin belong to?
Q 20.
In the hierarchy of classification, which group will have the largest number of organisms?
Q 21.
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 22.
Hydra, Jelly Fish, corals belog to which group of animals?
Q 23.
Snakes, turtles, lizards and crocodiles belong to which category of vertebrates?
Q 24.
On what bases are plants and animals put into different categories?
Q 25.
Will advanced organisms be the same as complex organisms? Why?
Q 26.
Who identified the Fungi as a separate multicellular eukaryotic kingdom and introduced five kingdoms? Name the five kingdoms.
Q 27.
How do the saprophytes get their food? Give two examples of a saprophyte.
Q 28.
What are naked-seeded plants are called?
Q 29.
Write the differences between monocots and dicots.
Q 31.
Identify the phylum having following characteristics:
Q 32.
Animals belong to phylum Coelenterata are diploblastic. What do you mean by the term diploblastic?
Q 33.
Name a parasitic disease caused by members of Nematoda.
Q 34.
Differentiate between Annelida and Nematode.
Q 35.
How is a body of Arthropods segmented?
Q 36.
Why are Bats and whales classified as mammals?
Q 37.
Woese introduced by dividing the Monera kingdom into two sub-kingdoms. Name the two?
Q 38.
Algae belongs to which division of Plantae?
Q 39.
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 40.
Spiny skin, marine, triploblastic coelomates having water-driven tube system for locomotion. What type of group are we talking of?
Q 41.
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 42.
What do you mean by biodiversity?
Q 43.
Who wrote the book
The Origin of Species?
Q 44.
Name the levels of classification proposed by Linnaeus. What happens to similarities among organisms as we go from top to bottom level?
Q 45.
Name the scientist who created the third kingdom for all microscopic unicellular organisms. What did he call it?
Q 46.
Give examples of Thallophyta plants.
Q 47.
How Angiosperms are divided further?
Q 48.
What are four main features of phylum coelenterates?
Q 49.
Which phylum is commonly called roundworms or pinworms?
Q 50.
Name the largest group (phylum) of animals.
