MCQOPTIONS
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MCQOPTIONS
This section includes 332 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Rasping tongue like structure present on body of molluscus is |
| A. | mantle |
| B. | setae |
| C. | radula |
| D. | slug |
| Answer» D. slug | |
| 2. |
Electric shock which can stun a prey is specialized feature of |
| A. | ray fish |
| B. | dolphin |
| C. | shark |
| D. | goldfish |
| Answer» B. dolphin | |
| 3. |
Sponges are used in surgical operations for absorption of |
| A. | minerals |
| B. | blood and fluids |
| C. | nutritions |
| D. | All of the above |
| Answer» C. nutritions | |
| 4. |
In Platyhelminthes, respiratory and circulatory system are |
| A. | present |
| B. | absent |
| C. | weak |
| D. | partially present |
| Answer» C. weak | |
| 5. |
Cnidarians are usually found in two basic forms polyps and the |
| A. | colony |
| B. | flame cells |
| C. | cysts |
| D. | medusae |
| Answer» E. | |
| 6. |
Abdominal pouch of class metatheria is called as |
| A. | pouch |
| B. | kangaroo pouch |
| C. | marsupium |
| D. | metatherial pouch |
| Answer» D. metatherial pouch | |
| 7. |
In America, roads are made by using tar mixed with shells of |
| A. | snail |
| B. | turtle |
| C. | oyster |
| D. | sea anemone |
| Answer» D. sea anemone | |
| 8. |
Presence of bony brain in chordates is called as |
| A. | chordates |
| B. | notochord |
| C. | tunicates |
| D. | craniates |
| Answer» E. | |
| 9. |
Name Platyhelminthes means |
| A. | worms |
| B. | tape worms |
| C. | flat worms |
| D. | snakes |
| Answer» D. snakes | |
| 10. |
Fetus inside mother is nourished via |
| A. | skin |
| B. | food pipe |
| C. | placenta |
| D. | stomach |
| Answer» D. stomach | |
| 11. |
Aggregation of individuals that perform different functions constitute a |
| A. | population |
| B. | medusae |
| C. | colony |
| D. | specie |
| Answer» D. specie | |
| 12. |
'little ring' is common name for organism of Phylum |
| A. | Protozoa |
| B. | Aneelida |
| C. | platyhelminthes |
| D. | Nematoda |
| Answer» C. platyhelminthes | |
| 13. |
Cylindrical animals which are nutritive in function are polps of cnidarian and named as |
| A. | rhizoids |
| B. | gastrozoids |
| C. | liquizoid |
| D. | Both a and b |
| Answer» B. gastrozoids | |
| 14. |
Free living specie that feed on small animals and bodies of deads and decaying is |
| A. | spleen |
| B. | liver worts |
| C. | Adiantum |
| D. | Planaria |
| Answer» E. | |
| 15. |
Family of Octopus is called |
| A. | gastropoda |
| B. | pelecypoda |
| C. | cephalopoda |
| D. | liquipoda |
| Answer» D. liquipoda | |
| 16. |
Exoskeleton appears on dorsal side of Arthropods in form of |
| A. | cephalothorax |
| B. | carapace |
| C. | gills |
| D. | scales |
| Answer» C. gills | |
| 17. |
Notochord is a rod like semi rigid body of |
| A. | canals |
| B. | tubules |
| C. | vacuolated cells |
| D. | vacuoles |
| Answer» D. vacuoles | |
| 18. |
Sense organs which are present on lips at anterior ends are called |
| A. | flame cell |
| B. | nematocytes |
| C. | flagella |
| D. | papillae |
| Answer» E. | |
| 19. |
Group of animals which feed on their mother's milk are called as |
| A. | birds |
| B. | arthropods |
| C. | mammals |
| D. | reptiles |
| Answer» D. reptiles | |
| 20. |
Gastrovascular cavity for entry of food as well as removal of waste constitutes sac like |
| A. | digestive system |
| B. | excretory system |
| C. | nervous system |
| D. | circulatory system |
| Answer» B. excretory system | |
| 21. |
Birds are |
| A. | cold blooded |
| B. | homoeothermic |
| C. | poikilothermic |
| D. | hetrothermic |
| Answer» C. poikilothermic | |
| 22. |
Archaeopteryx was size of a |
| A. | dove |
| B. | crow |
| C. | parrot |
| D. | macaw |
| Answer» C. parrot | |
| 23. |
In jelly fish, poly is reduced and medusae is |
| A. | low |
| B. | recessive |
| C. | dominant |
| D. | high |
| Answer» D. high | |
| 24. |
Largest group of arthropods exists in class |
| A. | Insecta |
| B. | Arachnida |
| C. | Myriapodia |
| D. | Chordata |
| Answer» B. Arachnida | |
| 25. |
Stinging cells which are organs of offense and defense are called |
| A. | defense cells |
| B. | flame cells |
| C. | nematocysts |
| D. | bulbs |
| Answer» D. bulbs | |
| 26. |
Heart of class cyclostomatous have a heart with one |
| A. | ventricle |
| B. | auricle |
| C. | artery |
| D. | vein |
| Answer» C. artery | |
| 27. |
Mammalian ancestors and reptiles lived together in Jurassic times hence called |
| A. | mammals |
| B. | reptiles |
| C. | mammals like reptiles |
| D. | amphibians |
| Answer» D. amphibians | |
| 28. |
Undulating waves of contraction and relaxation of muscles helps Nematodes in |
| A. | excretion |
| B. | digestion |
| C. | locomotion |
| D. | all of the Above |
| Answer» D. all of the Above | |
| 29. |
Asexual reproduction in sponge is done by process of |
| A. | budding |
| B. | conugation |
| C. | binary fission |
| D. | multiple fission |
| Answer» B. conugation | |
| 30. |
Common name for Enterobius vermicularius is |
| A. | tape worms |
| B. | pinworm |
| C. | liver fluke |
| D. | ring worm |
| Answer» C. liver fluke | |
| 31. |
Best commercial sponges are found in warm waters of |
| A. | Mediterranean sea |
| B. | ocean |
| C. | Dead sea |
| D. | red sea |
| Answer» B. ocean | |
| 32. |
Body of sponges contain special out layer made up of cells called |
| A. | spongecytes |
| B. | cytes |
| C. | cnidocytes |
| D. | pinaocytes |
| Answer» E. | |
| 33. |
There are two types of muscles in annelids on basis of arrangement of |
| A. | flame cells |
| B. | nephridia |
| C. | muscles |
| D. | chitin |
| Answer» D. chitin | |
| 34. |
Bulb like cells which are performing eccretory functions are |
| A. | neurospore |
| B. | flame cells |
| C. | rhizoids |
| D. | ganlia |
| Answer» C. rhizoids | |
| 35. |
Exoskeleton of colonial coelenterates take lime from |
| A. | river |
| B. | sea |
| C. | pond |
| D. | waterfall |
| Answer» C. pond | |
| 36. |
Giant Squid is largest invertebrate |
| A. | bird |
| B. | animal |
| C. | mammal |
| D. | reptile |
| Answer» C. mammal | |
| 37. |
Organ of voice in bird is called a |
| A. | trachea |
| B. | syrinx |
| C. | air sacs |
| D. | balloon |
| Answer» C. air sacs | |
| 38. |
Gills of bony fishes are covered by |
| A. | operculum |
| B. | dermal |
| C. | scales |
| D. | cycloid scales |
| Answer» B. dermal | |
| 39. |
Bones in ear of mammals are |
| A. | Malleus |
| B. | Ineus |
| C. | staples |
| D. | All of Above |
| Answer» E. | |
| 40. |
Animalia is Latin word which means |
| A. | cells |
| B. | Breath or soul |
| C. | body |
| D. | life |
| Answer» C. body | |
| 41. |
Cylindrical body of a Sea Anemone can be cut in to two equal halves vertically in any plane, there it belong to Grade |
| A. | Radiata |
| B. | Bilateria |
| C. | Both a and b |
| D. | Cordata |
| Answer» B. Bilateria | |
| 42. |
All biologists believe that virtually, all animals have been evolved from |
| A. | protoctist |
| B. | bryophytes |
| C. | monera |
| D. | porifera |
| Answer» B. bryophytes | |
| 43. |
Largest living vertebrates are known to be |
| A. | whales |
| B. | crocodiles |
| C. | sharks |
| D. | dinosaurs |
| Answer» D. dinosaurs | |
| 44. |
Mode of transport in diploblastic animals is |
| A. | diffusion |
| B. | osmosis |
| C. | pores |
| D. | gills |
| Answer» B. osmosis | |
| 45. |
Internal buds which develop into new sponges are called |
| A. | ostulus |
| B. | gemmules |
| C. | ostia |
| D. | osculum |
| Answer» C. ostia | |
| 46. |
Earliest known bird is |
| A. | archaceoptephyx |
| B. | crow |
| C. | eagle |
| D. | dote |
| Answer» B. crow | |
| 47. |
Anterior end of digestive system is mouth and posterior end is |
| A. | mouth |
| B. | ostia |
| C. | annus |
| D. | stomach |
| Answer» D. stomach | |
| 48. |
Muscles of annelids which are arranged along length of body are called |
| A. | smooth muscles |
| B. | longitudinal muscles |
| C. | latitudinal muscles |
| D. | rough muscles |
| Answer» C. latitudinal muscles | |
| 49. |
Digestive system of sharks and rays is |
| A. | L-shape |
| B. | J-shape |
| C. | U-shape |
| D. | O-shape |
| Answer» C. U-shape | |
| 50. |
Digestive system of nematodes have two openings and in form of |
| A. | alimentary canal |
| B. | digestive tract |
| C. | neuron |
| D. | muscules |
| Answer» B. digestive tract | |