Question:
Define evolution.
Answer:
Evolution is a complex process by which the characteristics of living organisms change over generations to generations and the traits are passed from one generation to the next. One of the main reason for diversity in bio-life is attributed to evolution.
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.
Give examples of Arthropod animals.
Q 6.
Give three examples of flightless birds.
Q 7.
In which kingdom will you place an organism which is single-celled, eukaryotic and photosynthetic?
Q 8.
How do annelid animals differ from arthropods?
Q 9.
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 10.
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 11.
How Phanerogams are divided further chiefly?
Q 12.
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 13.
Do Protozoans have eyes?
Q 14.
Give two examples of Bryophyta plants?
Q 15.
Which worms cause elephantiasis. Name the group it belongs to?
Q 16.
Ambibian heart is divided into how many chambers?
Q 17.
On what bases are plants and animals put into different categories?
Q 19.
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 20.
Give examples of Thallophyta plants.
Q 21.
What are the general characteristics found in all animals?
Q 22.
Which animal phylum is commonly called as flatworms?
Q 23.
Which phylum is commonly called roundworms or pinworms?
Q 24.
What is the type of circulatory system present in Arthropods?
Q 25.
Name the phylum to which Start fish and Sea urchin belong to?
Q 26.
What is a notochord? What does it do?
Q 27.
In the hierarchy of classification, which group will have the largest number of organisms?
Q 28.
Algae belongs to which division of Plantae?
Q 29.
Identify plant group which has parallel venation, scattered vascular bundles, flower petals/parts in multiple of three, fibrous roots.
Q 30.
Identify which of the following are monocots and dicots : garlic, onion, tomatoes, corn, peppers, potatoes, wheat, beans
Q 31.
Which is the largest group of animals?
Q 32.
Give three examples of Protochordata animals.
Q 33.
What are the advantages of classification?
Q 35.
Which organisms are called primitive and how are they different from the so-called advanced organisms?
Q 36.
In which kingdom, you will place an organism which is multicellular, eukaryotic, heterotroph, lacks chlorophyll and has an ingestive mode of nutrition.
Q 37.
Name the organisms which are outside the classification.
Q 38.
How do the saprophytes get their food? Give two examples of a saprophyte.
Q 39.
On what basis plants are divided into two sub-kingdoms?
Q 40.
What are naked-seeded plants are called?
Q 41.
Give examples of Porifera or Sponges.
Q 42.
What is the most striking feature of phylum Arthropoda?
Q 43.
How is a body of Arthropods segmented?
Q 44.
Give examples of animals that belong to Phylum Mollusca.
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.
Give examples of the organisms that have cilia and flagellum for moving around.
Q 48.
In the hierarchy of classification, which group will have the smallest number of organisms and a maximum number of similar characteristics?
Q 49.
What is the mode of nutrition in Mushroom?
Q 50.
Which division of plants are often called amphibians of the plant kingdom?
