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question_answer1) Who coined the term 'Biodiversity?
question_answer2) Give two examples of amphibians of the plant kingdom.
question_answer3) In which phylum, the excretory system consists of blind tubules called protonephridia bearing flame bulb or flame cell? Give two examples of this phylum.
question_answer4) Give two characteristic features of Echinodermata.
question_answer5) Give two organisms having bilateral and radial symmetry.
question_answer6) Why are Platyhelminthes called as flatworms?
question_answer7) Why are lichens called dual organisms?
question_answer8) Plants of this sub-kingdom are also called lower plants, flowerless and seedless. The embryo, if present, is naked. Identify.
question_answer9) What is pseudocoelom?
question_answer10) Why are air bladders present in fishes?
question_answer11) What does the word Arthropod mean?
question_answer12) Who are said to be pioneer in having a true body cavity?
question_answer13) Why are fungi called saprophytes?
question_answer14) Who all have the naked embryos?
question_answer15) Give an account of the sense organs presents in class-Amphibia.
question_answer16) What are the uses of bryophytes?
question_answer17) What do you understand by the term cryptogams?
question_answer18) Name two egg laying mammals.
question_answer19) Who is the writer of 'The Origin of Species'?
question_answer20) Write the scientific name of pearl oyster.
question_answer21) Give another name for sub-phylum- Vertebrata.
question_answer22) Does silver fish belongs to Pisces?
question_answer23) What are acoelomate animals?
question_answer24) Which phylum does Octopus belong to?
question_answer25) What does organ level of organisation of body mean?
question_answer26) What are choanocytes?
question_answer27) What is the modification of sporophylls in gymnosperms?
question_answer28) What is the other name of Planaria?
question_answer29) Reticulate venation occurs in which kind of plants?
question_answer30) Write in short about the reproductive organs in Thallophyta.
question_answer31) If Cryptogamae is said for hidden marriage than Phanerogamae refers for?
question_answer32) What does the word thallos from the word 'Thallophyta' mean?
question_answer33) What is the cell wall of Thallophyta made up of?
question_answer34) Give examples of plants that bear naked seeds.
question_answer35) What does the word spermatophyte mean?
question_answer36) What are plastids? In which kingdom are they present?
question_answer37) Give uses of lichens.
question_answer38) What is mitochondria? Is mitochondria present in Monera?
question_answer39) Who created the kingdom of Monera for prokaryotic organisms?
question_answer40) What is so different about Chimaera (rabbit fish)?
question_answer41) Give some names of class-Pisces, which warn their prey.
question_answer42) What are the special cells present in coelenterates?
question_answer43) What kind of appendages are present in coelenterates?
question_answer44) What is spongocoel?
question_answer45) Why is phylum-Porifera's skeleton different?
question_answer46) What is speciality of lichens?
question_answer47) Ingestion of solid food occurs in which type of nutrition?
question_answer48) What is the other name of cyanobacteria?
question_answer49) Which one is kingdom of multi cellular decomposers?
question_answer50) Give the scientific name of beef tapeworm.
question_answer51) Vascular bundles are scattered and closed in which group of angiosperms?
question_answer52) Why do algae live in well lighted areas?
question_answer53) Name an annelid that sucks blood from its host.
question_answer54) Tell whether Pinus is monocot or dicot or none of them?
question_answer55) Which is the most successful group of animals?
question_answer56) What are book lungs?
question_answer57) Give the scientific name of spider.
question_answer58) Name some aquatic mammals.
question_answer59) What does the word sessile mean?
question_answer60) What are gill pouches?
question_answer61) What are poikilothermal or cold-blooded animals?
question_answer62) What are the two modified features present in the Aves (birds)? Why are the bones of birds, so light?
question_answer63) Name some edible fungi and their uses.
question_answer64) What are bryophytes? Name a living fossil.
question_answer65) What is the exoskeleton of Arthropoda made up of?
question_answer66) Leaves of monocots have which type of venation. Give one example of monocots.
question_answer67) What is the term used for separate sexes in animals?
question_answer68) Explain the name of Cryptogamae.
question_answer69) Why are thallophytes called non-embryonic plants?
question_answer70) What is ambulacral water vascular system?
question_answer71) Give two examples of Chondrichthyes fishes.
question_answer72) What are the locomotory appendages present in Annelida?
question_answer73) Why is Exocoetus known as flying fish? Does it really fly?
question_answer74) What are integumentary glands?
question_answer75) Define triploblastic germinal layer.
question_answer76) (a) Birds and mammals share one common feature. Give details. (b) Name the phylum in which animals have soft-bodies covered with a hard shell.
question_answer77) (a) What are lateral appendages in aquatic annelids called? (b) Carl Von Linne was involved with which branch of science?
question_answer78) How is the skin of amphibians moist?
question_answer79) How do amphibians overcome , the unfavorable conditions?
question_answer80) Why is crocodile considered an exception to the class-Reptilia?
question_answer81) What is so special about humming birds with reference to their flying skills?
question_answer82) What is ear-pinna? Which class marks their presence?
question_answer83) Draw a labelled diagram of a bacterium.
question_answer84) How are the criteria for deciding divisions in plants different from the criteria for deciding the sub-groups among animals?
question_answer85) Why are Protozoa regarded as early animals?
question_answer86) Why are whales not grouped in fishes?
question_answer87) List important characteristics of bryophytes (any three).
question_answer88) Ashu is having a beautiful pet dog Pego'. One day, he observed a small insect between his pet's toes. He removed it carefully from the toe and observed it curiously and correlate with the insect with the chapter 'Diversity in Living Organisms' which was being taught in the school.
question_answer89) Read the given passage and answer the following questions (a) Identify the phylum to which the insect belong to. (b) Enlist any two characteristic features of this phylum. (c) Comment on the behavior of Ashu.
question_answer90) Classify the following organisms based on the absence/presence of true coelom (i.e., acoelomate, pseudocoelomate and coelomate). Spongilla, sea anemone, Planaria, liver fluke Wuchereria, Ascaris, Nereis, earthworm, Scorpion, birds, fishes and horse.
question_answer91) Why are reptiles successful on land?
question_answer92) Give an account of limbs of class-Mammalia.
question_answer93) Vansh and his mother were walking in the garden. Vansh saw mushrooms growing on decaying leaves. He tried to uproot them. But he was stopped by his mother. Read the above passage and answer the given questions (a) Identify the kingdom to which the organism belongs to. (b) Write the mode of nutrition exhibited by the mushrooms. (c) Why did Vansh's mother stopped him? What value is shown by mother?
question_answer94) Rishabh was playing cricket in the ground with his friends.- One-of his friends who was standing near the boundary felt something climbing upon his feet. Subsequently he started crying in pain. Rishabh being class nine student identified the climbing creature as leech and helped removing the leech. Read the above passage and answer the following questions (a) Name the phylum to which leech belongs. (b) Write two identifying features of the phylum. (c) Enlist two values shown by Rishabh.
question_answer95) Write about the class in which organisms have central cavity (gastro vascular) cavity.
question_answer96) Write short note on bony fishes (Osteichthyes).
question_answer97) A group of children were playing on a heap of sand. One of them collected some shelled creatures from the sand. Being taught lesson on diversity in school, one of them identified them as snail. Read the given passage and answer the following questions (a)Name the phylum to which snail belongs. (b)Write two characteristic features of the phylum. (c)What positive attitude towards learning is shown by the students?
question_answer98) What are the distinguishing features of nematode?
question_answer99) List a few flight adaptations in birds.
question_answer100) Give some characteristic features of animals.
question_answer101) List some adaptation of reptiles towards terrestrial mode of life.
question_answer102) Identify and name the following (a) Organisms that use dead and decaying organic material as food. (b) Cell walls of fungi are made up of this special type of sugar. (c) The kingdom to which Amoeba belongs. (d) An example of a moneran. (e) An animal with pseudocoelom. (f) A group which has an open circulatory system.
question_answer103) State reasons for the following. (a) Bryophytes are called amphibians of the plant kingdom. (b) Gymnosperms are called so.
question_answer104) Give an account of generalised features of class-Reptilia.
question_answer105) Give highlighting features of kingdom- Mammalia.
question_answer106) Give details about organisation, germ layers, body form and symmetry of phylum-Platyhelminthes.
question_answer107) Thallophyta, Bryophyta and Pteridophyta are called as 'cryptogams'. Gymnosperms and angiosperms are called as 'phanerogams'. Discuss why? Draw one example of gymnosperm.
question_answer108) Define the terms and give one example of each. (a)Bilateral symmetry (b)Coelom (c)Triploblastic
question_answer109) You are given leech, Nereis, Scolopendra, prawn and scorpion. All have segmented body organization. Will you classify them in one group? If no, give the important characters based on which you will separate these organisms into different groups?
question_answer110) Differentiate between flying lizard and bird. Draw the diagram. incert Exemplar]
question_answer111) List out some common features in cat, rat and bat.
question_answer112) Give generalised features of Annelida.
question_answer113) Why do we keep both snake and turtle in the same class?
question_answer114) Give detailed account of phylum-Nematoda.
question_answer115) Give detailed account of the generalized features of phylum-Annelida differentiating from Arthropoda.
question_answer116) Explain the characters according to which Vertebrata are classified into further sub-groups?
question_answer117) Give an account of generalized structure of kingdom-Fungi.
question_answer118) During a field-trip some students visited an agricultural farm and saw a few birds eating earthworms. They enjoyed the scene and then they also started picking and killing the earthworms for pleasure. The farmer strongly objected and asked them to leave the field. Read the above passage and answer the following questions (a) What could be the reason behind such a behaviour of the farmer? (b) Which phylum do earthworm belong to? (c) Write two identifying features of earthworm. (d) What values do you find missing in the Student's behaviour?
question_answer119) Compare the characteristics of Thallophyta, Bryophyta and Pteridophyta.
question_answer120) In the given classification scheme fill in the boxes with appropriate plant groups
question_answer121) This group includes many kinds of unicellular eukaryotic organisms. Some of them use appendages such as hair-like cilia or whip-like flagella for moving around'. Answer the following in respect of given statement (a) Identify the kingdom to which these organisms belong. (b) What is the mode of nutrition for this group? (c) Write two example of organisms belonging to this group.
question_answer122) (a) Draw the structure of Paramecium and label any six parts on it. (b) List any two similarities and two differences between Amoeba and Paramecium.
question_answer123) (a) Which organism is more complex and evolved among bacteria, mushroom and mango tree? Give reasons. (b) List out three common features in cat, rat and bat.
question_answer124) (a) List any two main feature of chordates. (b) Name the classes of vertebrates which have the following characteristics (i) Animals have streamlined body and gills for breathing. (ii) Animals are found both on land and in water. (iii) Animals have mammary glands for the production of milk to nourish their young Ones.
question_answer125) (a) What is the scientific name of humans? (b) To which class of vertebrates does it belong? (c) Write five characteristic features of this group. Also mention the exceptions, if any.
question_answer126) (a) State two characteristic features of amphibians. (b) Identify the following organisms (i) Cold-blooded animals that lay eggs in water and have three-chambered heart. (ii) Spiny skinned organisms which have a peculiar water-driven tube system that they use for moving around. (iii) Organisms which have and open circulatory system having blood-filled coelomic cavity.
question_answer127) (a) State two characteristic features of vertebrates. (b) State reasons for each of the following statements (i) Echidna and Platypus lay eggs but considered as mammals. (ii) Forelimbs of birds are modified. (iii) Crocodiles have four-chambered heart but are still reptiles.
question_answer128) (a) Draw a neat diagram of Hydra. (b) Label mesoglea and gastrovascular cavity. (c) Name the group of animals it belongs to. (d) Name one species of this group that lives in colonies.
question_answer129) Write one point of difference each, between the following (a) Annelids and arthropods (b) Poriferans and coelenterates
question_answer130) Write one characteristic feature of each of the following groups of organisms (a) Arthropoda (b) Mammals.
question_answer131) Write one point of difference each between the following (a) Porifera and coelenterate (b) Birds and reptiles
question_answer132) (a) State two bases of classifying plants and animals into different categories. (b) List three characteristic feature of fungi. Some fungal species live in permanent mutually dependent relationship with cyan bacteria. What is this relationship called? Where are they found?
question_answer133) Draw a flow chart to show different divisions of kingdom-Planate and answer the following (a) Which division has the simplest plants? (b)To which divisions Pinus and Cycas belong? (c)What is the other name given to flowering plants? Classify them on the basis of number of cotyledons present in seed.
question_answer134) Which organisms are called primitive?
question_answer135) Name the branch of science that deals with classification.
question_answer136) What is biological classification?
question_answer137) Who was the first to classify animals according to their habitats?
question_answer138) What is 'binomial nomenclature'?
question_answer139) What is the primary characteristic on which the first division of organisms is made?
question_answer140) 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?
question_answer141) How would you choose between two characteristics to be used for developing a hierarchy in classification?
question_answer142) What is evolution?
question_answer143) Who gave the idea of evolution for the first time in the book 'Origin of Species'?
question_answer144) What is a genus?
question_answer145) What is the criterion for classification of organisms as belonging to kingdom Monera or Protista?
question_answer146) In which kingdom will you place an organism, which is single celled, eukaryotic and photosynthetic ?
question_answer147) Which division among plants has simplest organisms?
question_answer148) Which groups of organisms do not have a defined nucleus or organelles?
question_answer149) Name the largest animal on the planet.
question_answer150) Name the largest tree on the Earth.
question_answer151) Which plant has life span of more than one thousand years?
question_answer152) What are the three aspects of systematics?
question_answer153) Name a coelenterate that occurs singly and is commonly found in freshwater ponds.
question_answer154) Name the group of sessile animals.
question_answer155) Name an organism that possesses flagella.
question_answer156) What are corals?
question_answer157) Name two marine solitary coelenterates.
question_answer158) Name the group of animals, which developed nervous system for the first time.
question_answer159) In which sub-division does xylem possess vessels?
question_answer160) Name the organism which has nervous system but no brain.
question_answer161) Which plants are perennial, evergreen and woody?
question_answer162) Name the reproductive organs of gymnosperms.
question_answer163) Name free living and parasitic flatworms.
question_answer164) What are hermaphrodites?
question_answer165) Name the group of animals, which has primitive nervous system but with brain which is developed for the first time.
question_answer166) Name the first group of animals with true coelom.
question_answer167) Define metameric segmentation.
question_answer168) Name the cavity present in the coelenterates.
question_answer169) What is haemocoel?
question_answer170) Give the names of two groups of animals that are haemocoelomate.
question_answer171) What are the skeletal elements in sponges?
question_answer172) What are the excretory organs in flatworm?
question_answer173) What are cnidoblasts?
question_answer174) What is the name given to the body cavity of nematodes?
question_answer175) Name a parasitic annelid?
question_answer176) What is polymorphism? Give an example.
question_answer177) Name two phyla which have open circulation.
question_answer178) Name two phyla which have radial symmetry.
question_answer179) Why do amphibians do not possess exoskeleton?
question_answer180) Why do birds possess hollow bones?
question_answer181) In which phylum are pharyngeal gill slits present?
question_answer182) What do you mean by 'characteristics'?
question_answer183) Describe the three main characteristics that are used for a hierarchical classification.
question_answer184) How do gymnosperms and angiosperms differ from each other?
question_answer185) How do poriferan animals differ from coelenterate animals?
question_answer186) How do annelid animals differ from arthropods?
question_answer187) What are the differences between amphibians and reptiles?
question_answer188) Give athe main features of the phylum Porifera.
question_answer189) What are the differences between animals belonging to the aves group and those in the mammalian group?
question_answer190) Explain how animals in vertebrata are classified into further subgroups.
question_answer191) Give the main features of coelenterates.
question_answer192) Describe the features of phylum Platyhelminthes.
question_answer193) Write the important features of phylum Aschelminthes (Nematoda).
question_answer194) Enlist the main features of phylum Annelida. Give examples. Give the important distinguishing features of Arthropoda.
question_answer195) Give the main distinguishing features of phylum Mollusca.
question_answer196) What are vertebrates? What are their main features?
question_answer197) Give the point of differences between non-chordates and chordates.
question_answer198) What are the characteristics of kingdom Monera?
question_answer199) Thallophyta, Bryophyta and Pteridophyta are called as 'Cryptogams'. Gymnosperms and Angiosperms are called as 'Phanerogams'. Discuss why. Draw one example of a gymnosperm.
question_answer200) Give the salient features of class Pisces.
question_answer201) Differentiate between flying lizard and bird. Draw the diagram.
question_answer202) List out some common features in cat, rat and bat.
question_answer203) Distinguish between the five classes of vertebrates on the basis of characters like habitat, kind of exoskeleton, respiratory organs and other distinct features.
question_answer204) How are the phanerogams classified?
question_answer205) Meena and Hari observed an animal in their garden. Hari called it an insect while Meena said it was an earthworm. Choose the character from the following which confirms that it is an insect (a) Bilateral symmetrical body (b) Body with jointed legs (c) Cylindrical body (d) Body with little segmentation
question_answer206) You are provided with the seeds of gram, wheat, rice, pumpkin maize and pea. Classify them whether they are monocot or dicot.
question_answer207) Classify the following based on number of chambers in their heart: Rohu Scohodon, Frog, Salamander, Flying lizard, King Cobra Crocodile, Ostrich, Pigeon, Bat. Whale.
question_answer208) Classify Rohu, Scoliodon, Flying lizard. King Cobra, Frog, Salamander Ostrich Pigeon, Bat, Crocodile and Whale into cold-blooded or warm-blooded animals. Warm-blooded? Ostrich, Pigeon, Bat, Whale.
question_answer209) Match items of column (A) with items of column (B). Column A Column B (a) Pore bearing animals (a) Arthropoda (b) Diploblastic (b) Coeienterata (c) Metameric segmentation (c) Porifera (d) Jointed legs (d) Echinodermata (e) Soft bodied animals (e) Mollusca (f)Spiny skinned animals (f)Annelida
question_answer210) Match items of column (A) with items of column (B). Column A Column B (a) Naked seed (a) Angiosperms (b) Covered seed (b) Gymnosperms (c)Flagella (c) Bryophytes (d) Marchantia (d) Euglena (e) Marsilea (e) Thallophyta (f) Cladophora (f) Pteridophyta (g) Pentcillium (g) Fungi
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