Question:
Define Cryptograms.
Answer:
- Cryptograms are plants with hidden (inconspicuous) reproductive organs.
- The thallophytes, the bryophytes and the pteridophytes collectively called cryptograms.
- External flowers or seeds are absent and they have naked embryos called spores.
Diversity in Living Organisms
Q 1.
Name a reptile which has four chambered heart.
Q 2.
Why bryophytes are called the amphibians of the plant kingdom?
Q 3.
List important characteristics (at least three) of bryophytes.
Q 4.
How is locomotion brought in animals belonging to Mollusca phylum?
Q 5.
In which kingdom would you place an organism which is unicellular, eukaryotic and photosynthetic?
Q 6.
Woese introduced by dividing the Monera kingdom into two sub-kingdoms. Name the two?
Q 7.
Give three examples of Molluscs
Q 8.
Based on evolution, primarily how organisms are categorised?
Q 9.
In how many kingdoms Carolus Linnaeus diving living beings?
Q 10.
How Angiosperms are divided further?
Q 11.
Give examples of Porifera or Sponges.
Q 12.
Give examples of Arthropod animals.
Q 13.
Name the phylum to which this organism belongs. Write any two characteristic feature of the phylum.
Q 14.
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 15.
Will advanced organisms be the same as complex organisms? Why?
Q 16.
What is Symbiotic? Give an example of organisms which exhibit this relationship.
Q 17.
Which animal phylum is considered to be first triploblastic animals?
Q 18.
Name the simplest of plants that do not have a well-differentiated body design.
Q 19.
Pines and Deodar belong to which group of Plants?
Q 20.
Sunflower, Maize, Wheat and Pea belong to which group of plants?
Q 21.
Hydra, Jelly Fish, corals belog to which group of animals?
Q 22.
Filarial worms, (Ascaris)round worms, (Wuchereria)pin worms belong to which group of animalia?
Q 23.
Give three examples of Protochordata animals.
Q 24.
What is the main basis of differentiation between vertebrates and non-vertebrates?
Q 25.
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 26.
Give an example of marsupial mammal
Q 27.
Give an example of mammal that can fly.
Q 28.
Who is known as the father of taxonomy?
Q 29.
Name the levels of classification proposed by Linnaeus. What happens to similarities among organisms as we go from top to bottom level?
Q 30.
In which kingdom, you will place an organism which is multicellular, eukaryotic, heterotroph, lacks chlorophyll and has an ingestive mode of nutrition.
Q 31.
Which phylum is commonly called roundworms or pinworms?
Q 32.
Differentiate between Annelida and Nematode.
Q 33.
What is the type of circulatory system present in Arthropods?
Q 34.
What kind of circulatory system is found in animals from Mollusca phylum?
Q 35.
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 36.
Write the name of the group of plants, which produces seeds, but not fruits.
Q 37.
Identify plant group which has parallel venation, scattered vascular bundles, flower petals/parts in multiple of three, fibrous roots.
Q 38.
How do thallophytes and pteridophytes differ from each other? Write two differences.
Q 39.
On what basis plants are divided into two sub-kingdoms?
Q 40.
How are pteridophytes different from the phanerogams?
Q 41.
Write two important characteristics of sponges ?
Q 42.
Which animal phylum is commonly called as flatworms?
Q 43.
What is the most striking feature of phylum Arthropoda?
Q 44.
How is a body of Arthropods segmented?
Q 45.
How do annelid animals differ from arthropods?
Q 46.
What is a notochord? What does it do?
Q 47.
Give examples of organisms which belong to Phylum Protochordata.
Q 48.
Give examples of the organisms that have cilia and flagellum for moving around.
Q 49.
In the hierarchy of classification, which group will have the smallest number of organisms and a maximum number of similar characteristics?
Q 50.
Who introduced the system of scientific nomenclature of organisms?
