CBSE Questions for Class 9 Biology Diversity In Living Organisms Quiz 16 - MCQExams.com

Which of the following are exclusively marine?
  • Terrapins
  • Tortoises
  • Terrapins and turtles
  • Turtles
Which of the following has no teeth in its mouth? 
  • Tortoise
  • Crocodile
  • Hemidactylus
  • Draco
Which of the following animal is poikilothermic?
  • Chelone
  • Ostrich
  • Hippopotamus
  • Parrot
Which one of the following is poisonous? 
  • Naja naja
  • Rat snake
  • Python
  • Double mouth snake
Venom of cobra effects on
  • Respiratory system
  • Nervous system
  • Excretory system
  • Digestive system
If an 'axolotl larva' is placed in water containing sufficient iodine then
  • Its skin pigmentation will change.
  • It will start metamorphosis.
  • It remains as usual without any change.
  • Larva will die soon.
Mandarin fish have____________________
  • Single chambered heart
  • Two chambered heart
  • Three chambered heart
  • Four chambered heart
The best characteristic feature of fish is
  • Dermal scales
  • Epidermal scales
  • Lateral line system
  • Both A and C
In pigeon, which of the following glands secretes the milk in both sexes? 
  • Liver
  • Gizzard glands
  • Crop glands
  • Salivary glands
Longest gestation period is that of
  • Human being
  • Camel
  • Rhino
  • Salamandra atra
Birds are 'glorified reptiles' statement given by_______________
  • Darwin
  • Huxley
  • Lamarck
  • Mendel
The largest fish is
  • Cetorhinus
  • Carcharhinus
  • Carcharodon
  • Rhincodon
Mammal that lay egg_____________
  • Kangaroo
  • Platypus
  • Crow
  • Cat
The study of fishes is known as
  • Ornithology
  • Saurology
  • Ichthyology
  • Herpetology
Tissue in platyhelminthes between viscera and body wall is called as
  • Coelom
  • Parenchyma
  • Mesoderm
  • Choanoderm
A pigeon with no down feathers will not be able to______________
  • Fly for long distance
  • Protect against ectoparasites
  • Exhibit secondary sexual dimorphism
  • Keep the body warm
An animal which has notochord throughout its life is
  • Fish
  • Bird
  • Snake
  • Amphioxus
Largest amphibian is a/an
  • Necturus
  • Ichthyophis
  • Cryptobranchus
  • Amphiuma
The excretory organs of prawn are
  • Malpighian tubules
  • Nephridia
  • Kidneys
  • Green glands
Ascaris lumbricoides is a common roundworm seen in
  • Large intestine
  • Small intestine
  • Liver
  • Stomach
A true terrestrial animal is
  • Frog
  • Toad
  • Tortoise
  • None of the above
Which among the following does not have placoid scales?
  • Rays
  • Silver fish
  • Skates
  • Sharks
The largest lizard is
  • Varanus
  • Heloderma
  • Ophisaurus
  • Chamaeleon
In reptiles, the teeth are absent in
  • Lizards
  • Snakes
  • Chelonia
  • Crocodiles
A poisonous lizard is
  • Varanus
  • Phrynosoma
  • Heloderma
  • Ophisaurus
In which group of animals, body cavity is filled with blood?
  • Nematoda
  • Arthropoda
  • Amphibians
  • one of the above
A nephridium of an earthworm removes waste materials directly from the
  • Gut
  • Coelom
  • Lymph
  • Blood
Which of the following organisms neither have notochord nor vertebral column in their adult stage?
  • Cephalochordate
  • Herdmania
  • Petromyzon
  • Bdellostoma
Round worms belongs to phylum 
  • Aschelminthes
  • Platyhelminthes
  • Echinodermata
  • Chordata
Which of the following characteristics is specific to ctenophora but absent in porifera?
  • No digestive system
  • Acoelomate
  • Gastrovascular cavity
  • None of the above
A cockroach has ..........  pairs of legs.
  • 2
  • 3
  • 4
  • 6
Which one is tadpole shrimp (tadpole fish)
  • Lepus
  • Squilla
  • Balanus
  • Triops
Peripatus is a connecting link between
  • Coelenterata and Porifera
  • Ctenophora and Platyhelminthes
  • Mollusca and Echinodermata
  • Annelida and Arthropoda
The mode of nutrition in Platyhelminthes is:
  • Autotrophic
  • Heterotrophic
  • Parasitic
  • All of the above
The respiratory organs present in spiders and scorpions are
  • Book lungs
  • Ctenidia
  • Gills
  • Lungs
Both snail and tortoise have soft bodies covered in a hard shell. Yet, snail is grouped under Mollusca and tortoise under Reptilia. Why?
  • Snail is small and tortoise is big
  • Snail has no vertebral column while tortoise has one
  • Snail has vertebral column
  • Snail has limbs
Animals which have cylindrical body with many segments belong to
  • Annelida
  • Porifera
  • Arthropoda
  • Platyhelminthes
The body of acorn worms can be divided as
  • Anterior proboscis
  • Intermediate collar
  • Posterior trunk
  • All of the above
............. is an example of Annelida.
  • Ascaris
  • Filarial worm
  • Earthworm
  • All of above
In Periplaneta, ductus ejaculatorius of male reproductive system lies in
  • 7th segment
  • 8th segment
  • 5th segment
  • 6th segment
 Which of the following character is not related to Indian chain viper? 
  • Subcandals are present in two rows
  • An arrow mark (t) is present on the head
  • Head is triangular covered by small scales
  • Large black rings occur in three rows on the dorsal surface of the body
Match the following and choose the correct combination.
 List-I
List-II
ArenicolaI. Terrestrial leech
HirundinariaII. Marine leech
Pontobdella
III. Lug worm
Haemadipsa  
IV. Fresh water leech

  • 1- I, 2- II, 3- III, 4- IV
  • 1- III, 2- IV, 3- II, 4- I
  • 1- II, 2- III, 3- IV, 4- I
  • 1- I, 2- III, 3- IV, 4- II
Many acorn worms are known to produce
  • Proteins
  • Casein
  • Phenol
  • Ethanol
Formicarium is the nest of which of the following animals?
  • Termites
  • Ants
  • Wasps
  • Honey bees
Proteus anguinus is an example for
  • Circannual rhythms
  • Effect of light on pigmentation
  • Phototaxis
  • Photokinesis
 Identify the correct combinations.
  • Housefly, Labellum, Pseudotrachea
  • Moth, Labellum, Dutton's membrane
  • Butterfly, Maxillae, Gelea
  • Tsetsefly, Rostrum, Haustellum
In Periplaneta, which one of the following helps to nourish the sperms?
  • Ejaculatory duct
  • Vas deferens
  • Utriculi majors
  • Utriculi brevores
Which one of the following does not have larvae in its life cycle?
  • Prawn
  • Earthworm
  • Crab
  • Cockroach
An opening serving both as mouth and anus is found in
  • Coelenterates and porifers
  • Coelenterates and aschelminthes
  • Coelenterates and annelids
  • Coelenterates and platyhelminthes
A dorsal horn is present on the ........... of the mulberry silk worm (caterpillar).
  • Head
  • $${ 8 }^{ th }$$ abdominal segment
  • $${ 5 }^{ th }$$ abdominal segment
  • $${ n }^{ nd }$$ thoraic segment
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