Question:
How do gymnosperms and angiosperms differ from each other?
Answer:
| Num. | Gymnosperms | Angiosperms |
|---|
| 1. | Naked seed i.e. seeds not enclosed within a fruit. | Seeds are enclosed with fruit walls (cotyledons). |
| 2. | Flowers are represented as unisexual cones which produce spores. | Microspores are anthers while megaspores are ovules. |
| 3. | Ovules not located in ovary | Ovules present inside an ovary. |
| 4. | Examples: Pines, Cycas, Deodar etc. | Examples: Sunflower, Maize, Wheat, Pea, bean etc. |
Diversity in Living Organisms
Q 1.
Name a reptile which has four chambered heart.
Q 2.
Give examples of Arthropod animals.
Q 3.
In how many kingdoms Carolus Linnaeus diving living beings?
Q 4.
Give three examples of Protochordata animals.
Q 5.
How is a body of Arthropods segmented?
Q 6.
Cold blooded, two chamber heart, stream lined body, scales on skin, gills present, aquatic life. Which group of vertebrates are we referring to?
Q 7.
Name five countries that lie in the region of megadiversity.
Q 8.
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 9.
Give examples of bryophytes.
Q 10.
Differentiate between Annelida and Nematode.
Q 11.
Name the phylum to which Start fish and Sea urchin belong to?
Q 12.
What is the primary characteristic on which the first division of organisms is made?
Q 13.
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 14.
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 15.
Snakes, turtles, lizards and crocodiles belong to which category of vertebrates?
Q 16.
Give examples of egg laying mammals
Q 17.
Name the book written by Carolus Linnaeus on the classification of organisms.
Q 18.
Explain the basis for grouping organisms into five kingdoms.
Q 19.
In which kingdom will you place an organism which is single-celled, eukaryotic and photosynthetic?
Q 20.
Blue-green algae are classified with bacteria and placed in kingdom Monera.
Q 21.
What are the major divisions in the Plantae? What is the basis for these divisions?
Q 22.
Why bryophytes are called the amphibians of the plant kingdom?
Q 23.
List important characteristics (at least three) of bryophytes.
Q 24.
Name the phylum to which the following are included. (i) Spider (ii) Cockroach (iii) Prawn (iv) Housefly
Q 25.
Which animal phylum is commonly called as flatworms?
Q 26.
Give examples of animals belong to Nematoda.
Q 27.
Give examples of the organisms that have cilia and flagellum for moving around.
Q 28.
Name the three divisions of Plantae that have inconspicuous reproductive organs. What are their seeds called?
Q 29.
Name the two groups of Plantae that are commonly called phanerogams.
Q 30.
Sunflower, Maize, Wheat and Pea belong to which group of plants?
Q 31.
Hydra, Jelly Fish, corals belog to which group of animals?
Q 32.
Commonly called flatworm, bilateral symmetrical, acoelomates are the features of which animal division?
Q 33.
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 34.
What do you mean by biodiversity?
Q 35.
What are the advantages of classification?
Q 36.
Will advanced organisms be the same as complex organisms? Why?
Q 37.
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 38.
Who identified the Fungi as a separate multicellular eukaryotic kingdom and introduced five kingdoms? Name the five kingdoms.
Q 39.
What is the criterion for classification of organisms as belonging to kingdom Monera or Protista?
Q 40.
What are the uses of bryophytes?
Q 41.
Give two examples of Gymnosperms.
Q 42.
What are the general characteristics found in all animals?
Q 43.
Name the largest group (phylum) of animals.
Q 44.
What kind of circulatory system is found in animals from Mollusca phylum?
Q 45.
Why are Bats and whales classified as mammals?
Q 46.
In which kingdom would you place an organism which is unicellular, eukaryotic and photosynthetic?
Q 47.
In the hierarchy of classification, which group will have the smallest number of organisms and a maximum number of similar characteristics?
Q 48.
In which Kingdom, an organism does not have a well defined nucleus and organelles?
Q 49.
Name the kingdom which includes the simplest form of eukaryotes.
Q 50.
Which division of plants are often called amphibians of the plant kingdom?
