Question:
Do Protozoans have eyes?
Answer:
No, they do not have eyes. However Euglena (a protozoan) has an eye-spot which is sensitive to light.
Diversity in Living Organisms
Q 1.
Give examples of organisms which belong to Phylum Protochordata.
Q 2.
In the hierarchy of classification, which group will have the smallest number of organisms and a maximum number of similar characteristics?
Q 3.
What do you mean by biodiversity?
Q 4.
Who is known as the father of taxonomy?
Q 5.
On what bases are plants and animals put into different categories?
Q 6.
Name five countries that lie in the region of megadiversity.
Q 7.
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 8.
Give examples of Thallophyta plants.
Q 9.
Differentiate between Annelida and Nematode.
Q 10.
Eichler classified the plant kingdom into two sub-kingdoms. Name the two sub kingdoms.
Q 11.
Give three examples of Protochordata animals.
Q 12.
What changes are evolved in limbs of aves?
Q 13.
Name the scientist who created the third kingdom for all microscopic unicellular organisms. What did he call it?
Q 14.
Explain the basis for grouping organisms into five kingdoms.
Q 15.
Give two examples of Gymnosperms.
Q 16.
Which phylum is commonly called roundworms or pinworms?
Q 17.
Give two examples of Bryophyta plants?
Q 18.
What type of circulatory system do Molluscs have?
Q 19.
Give three examples of animals belong to Echinodermata
Q 20.
Name the fish which is entirely made of cartilage.
Q 21.
Name the fish having skeleton made of both bone and cartilage.
Q 22.
Snakes, turtles, lizards and crocodiles belong to which category of vertebrates?
Q 23.
What is the primary reason for such a huge diversity we find in animals and plants?
Q 24.
What is the primary characteristic on which the first division of organisms is made?
Q 25.
Who wrote the book
The Origin of Species?
Q 26.
Based on evolution, primarily how organisms are categorised?
Q 27.
What are the major divisions in the Plantae? What is the basis for these divisions?
Q 28.
How do gymnosperms and angiosperms differ from each other?
Q 29.
Do sponges have a nervous system?
Q 30.
How do poriferan animals differ from coelenterate animals?
Q 31.
Name the first animals (phylum) that have a true body cavity.
Q 32.
How do annelid animals differ from arthropods?
Q 33.
What is a notochord? What does it do?
Q 34.
Name the substance which makes the cell wall of fungi.
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.
What is the primary characteristic on which the first division of organisms is made?
Q 37.
What is the mode of nutrition in Mushroom?
Q 38.
Write the name of the group of plants, which produces seeds, but not fruits.
Q 39.
Name the two groups of Plantae that are commonly called phanerogams.
Q 40.
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 41.
Which worms cause elephantiasis. Name the group it belongs to?
Q 42.
Give examples of egg laying mammals
Q 43.
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 44.
What is the criterion for classification of organisms as belonging to kingdom Monera or Protista?
Q 45.
Name the organisms which are outside the classification.
Q 46.
According to the five-kingdom system, which kingdom contains organisms whose structure is composed of prokaryotic cells?
Q 48.
Define Cryptograms.
Q 49.
Write the differences between monocots and dicots.
Q 50.
Which animal phylum is commonly called as flatworms?
