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.
Snakes, turtles, lizards and crocodiles belong to which category of vertebrates?
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 5.
In the hierarchy of classification, which group will have the largest number of organisms?
Q 6.
What are the general characteristics found in all animals?
Q 7.
Who identified the Fungi as a separate multicellular eukaryotic kingdom and introduced five kingdoms? Name the five kingdoms.
Q 8.
Give examples of Porifera or Sponges.
Q 9.
In the hierarchy of classification, which group will have the smallest number of organisms and a maximum number of similar characteristics?
Q 10.
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 11.
Give three examples of Molluscs
Q 12.
Name the book written by Carolus Linnaeus on the classification of organisms.
Q 13.
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 14.
What are naked-seeded plants are called?
Q 15.
Define Cryptograms.
Q 16.
How Angiosperms are divided further?
Q 17.
Give examples of Arthropod animals.
Q 18.
Give examples of animals that belong to Phylum Mollusca.
Q 19.
What is the primary characteristic on which the first division of organisms is made?
Q 20.
Give two examples of Bryophyta plants?
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.
Cold blooded, two chamber heart, stream lined body, scales on skin, gills present, aquatic life. Which group of vertebrates are we referring to?
Q 23.
Give three examples of flightless birds.
Q 24.
Which organisms are called primitive and how are they different from the so-called advanced organisms?
Q 25.
In which kingdom, you will place an organism which is multicellular, eukaryotic, heterotroph, lacks chlorophyll and has an ingestive mode of nutrition.
Q 26.
Name the organisms which are outside the classification.
Q 27.
Blue-green algae are classified with bacteria and placed in kingdom Monera.
Q 28.
How do the saprophytes get their food? Give two examples of a saprophyte.
Q 29.
Give examples of bryophytes.
Q 30.
What are the uses of bryophytes?
Q 31.
Name the plants that are called "
First vascular land plants".
Q 32.
Give two examples of Gymnosperms.
Q 33.
Which animal phylum is considered to be first triploblastic animals?
Q 34.
Write important features about Phylum Platyhelminthes.
Q 35.
How do poriferan animals differ from coelenterate animals?
Q 36.
Name the largest group (phylum) of animals.
Q 37.
What is the most striking feature of phylum Arthropoda?
Q 38.
How is a body of Arthropods segmented?
Q 39.
What is the type of circulatory system present in Arthropods?
Q 40.
How do annelid animals differ from arthropods?
Q 41.
What kind of circulatory system is found in animals from Mollusca phylum?
Q 42.
How is locomotion brought in animals belonging to Mollusca phylum?
Q 43.
Name the phylum to which Start fish and Sea urchin belong to?
Q 44.
What is a notochord? What does it do?
Q 45.
Give examples of organisms which belong to Phylum Protochordata.
Q 46.
Why are Bats and whales classified as mammals?
Q 47.
Give the scientific names of tiger, peacock, ant, neem, lotus and potato.
Q 48.
In which kingdom would you place an organism which is unicellular, eukaryotic and photosynthetic?
Q 49.
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 50.
Give examples of the organisms that have cilia and flagellum for moving around.
