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.
| 51. |
Blood of arthropods is colorless due to lack of |
| A. | hemoglobin |
| B. | immunoglobin |
| C. | chromatin |
| D. | iron |
| Answer» B. immunoglobin | |
| 52. |
Embryo of Taenia is inside egg and contain chitinous hook that are in number |
| A. | 6 |
| B. | 7 |
| C. | 5 |
| D. | 9 |
| Answer» B. 7 | |
| 53. |
Skeleton of sponges is composed of needle-like structures called |
| A. | spicules |
| B. | ostia |
| C. | osculum |
| D. | spongecoel |
| Answer» B. ostia | |
| 54. |
Tasmania wolf found in Australia belong to class metatheria and termed as |
| A. | marsupials |
| B. | reptiles |
| C. | mammals like reptiles |
| D. | amphibians |
| Answer» B. reptiles | |
| 55. |
Sexual reproducing Platyhelminthes consists of both male and female organ on same individual, hence called |
| A. | hermaphrodites |
| B. | homodites |
| C. | hetrodites |
| D. | homophrodites |
| Answer» B. homodites | |
| 56. |
Stinging cells which are produced from cnidocytes are called |
| A. | cnidarians |
| B. | nematocysts |
| C. | leukocytes |
| D. | thrombocytes |
| Answer» C. leukocytes | |
| 57. |
A fossil was found in Texas which was an early reptile, is |
| A. | cotylasaurs |
| B. | mammal like reptile |
| C. | varanope |
| D. | exosaur |
| Answer» D. exosaur | |
| 58. |
Animals from Grade Bilateria have well defined |
| A. | dorsal sufaces |
| B. | dorsal and ventral sufaces |
| C. | ventral surfaces |
| D. | epidermis |
| Answer» C. ventral surfaces | |
| 59. |
Extensions of lungs which are extended in bones are known as |
| A. | syrinx |
| B. | claws |
| C. | air-sacs |
| D. | alveoli |
| Answer» D. alveoli | |
| 60. |
Animals which possesses flame cells, excretory ducts and excretory pores are termed as |
| A. | Acoelomates |
| B. | coelomates |
| C. | actomates |
| D. | feuromates |
| Answer» B. coelomates | |
| 61. |
A single rotting apple may contain an estimated number of worms i.e., |
| A. | 90,000 |
| B. | 80,000 |
| C. | 70,000 |
| D. | 10,000 |
| Answer» B. 80,000 | |
| 62. |
Body of sponges possess a single carity called |
| A. | sac |
| B. | spongocoel |
| C. | coelom |
| D. | mesoglea |
| Answer» C. coelom | |
| 63. |
Balanoglossus and Saccoglossus belongs to phylum |
| A. | radiata |
| B. | bilateria |
| C. | fungi |
| D. | hemichordate |
| Answer» E. | |
| 64. |
Common name for Madrepora is |
| A. | sponges |
| B. | corals |
| C. | sycon |
| D. | urchins |
| Answer» C. sycon | |
| 65. |
Nerve ring is found in pharyngeal region of |
| A. | molluscus |
| B. | annelids |
| C. | echinoderms |
| D. | arthropods |
| Answer» D. arthropods | |
| 66. |
Flagellated collar cells constitutes layer called |
| A. | choanoderm |
| B. | epiderm |
| C. | mesoderm |
| D. | endoderm |
| Answer» B. epiderm | |
| 67. |
Pores which helps in removal of water from body of sponges are called |
| A. | ostulus |
| B. | osculum |
| C. | ostia |
| D. | spongecoel |
| Answer» C. ostia | |
| 68. |
Sharks and rays are present in group of class |
| A. | Chondrichthyes |
| B. | Osteichthyes |
| C. | Plasteichtyes |
| D. | Qochtyes |
| Answer» B. Osteichthyes | |
| 69. |
Small pores which help water to enter body of sponges are called |
| A. | enteron |
| B. | otia |
| C. | osculum |
| D. | stomata |
| Answer» C. osculum | |
| 70. |
Tail of sting ray can inflict very dangerous wounds by its |
| A. | fins |
| B. | gills |
| C. | sharp jaws |
| D. | sharp spines |
| Answer» E. | |
| 71. |
Red blood cells of mammals are |
| A. | mono-nucleated |
| B. | di-nucleated |
| C. | non-nucleated |
| D. | nucleated |
| Answer» D. nucleated | |
| 72. |
Pore-bearing animals are commonly called |
| A. | sponges |
| B. | molasses |
| C. | coral reefs |
| D. | sea anemone |
| Answer» B. molasses | |
| 73. |
Setae are organs of |
| A. | locomotion |
| B. | excretion |
| C. | respiration |
| D. | digestion |
| Answer» B. excretion | |
| 74. |
Mammals which give birth to young ones of their own kind are called |
| A. | oviparous |
| B. | viviparous |
| C. | ovoviviparous |
| D. | viparous |
| Answer» C. ovoviviparous | |
| 75. |
Respiratory system of hemichordates is composed of |
| A. | gills |
| B. | blood vessels |
| C. | gill-slits |
| D. | lymphatic vessels |
| Answer» D. lymphatic vessels | |
| 76. |
Cleavage of zygote is spiral and determinate in |
| A. | proterostomia |
| B. | deutrostomia |
| C. | tritrostomia |
| D. | multitrostomia |
| Answer» B. deutrostomia | |
| 77. |
Well developed nervous system of Platyhelminthes composed of network of |
| A. | tracts |
| B. | ducts |
| C. | veins |
| D. | ganlia |
| Answer» E. | |
| 78. |
Tape worm can regrow in beef. If its head remain inside intestine needs medication for complete removal, so physicians may also prescribe |
| A. | antifungal |
| B. | antiobiotic |
| C. | anme |
| D. | anti allergic |
| Answer» D. anti allergic | |
| 79. |
Animals which lack tissues organized into organs and are asymmetrical, are from sub kingdom |
| A. | protozoa |
| B. | metazoa |
| C. | parazoa |
| D. | eumetazoa |
| Answer» D. eumetazoa | |
| 80. |
Sieve-like plate structure which helps in circulation water through channels is called |
| A. | tube foot |
| B. | channels |
| C. | tubules |
| D. | madreporite |
| Answer» E. | |
| 81. |
Body of tapeworm is ribbon like and divided in to segment called |
| A. | proglottids |
| B. | plastids |
| C. | segmented |
| D. | ribbons |
| Answer» B. plastids | |
| 82. |
Larva which resembles its adult is called |
| A. | pupa |
| B. | chrysalis |
| C. | nymph |
| D. | mature |
| Answer» D. mature | |
| 83. |
Animals which have organized tissue and organ systems are |
| A. | protozoa |
| B. | Eumetazoa |
| C. | parazoa |
| D. | metazoa |
| Answer» C. parazoa | |
| 84. |
Shedding of exoskeleton is called |
| A. | molding |
| B. | ecdysic |
| C. | folding |
| D. | Both a and b |
| Answer» E. | |
| 85. |
Gases which swim bladders can fill in their Pharynx are Oxygen, CO2 and |
| A. | nitrogen |
| B. | hydrogen |
| C. | CO |
| D. | Helium |
| Answer» B. hydrogen | |
| 86. |
Mesentries are prominent in enteron of body of the |
| A. | Actinia |
| B. | sea anemone |
| C. | jelly fish |
| D. | obelia |
| Answer» B. sea anemone | |
| 87. |
Multicellular animals are distinguish from unicellular by name |
| A. | parazoa |
| B. | metazoa |
| C. | protozoa |
| D. | cordata |
| Answer» C. protozoa | |
| 88. |
Class cyclostomatous includes living vertebrates which are most primitive and lack |
| A. | brain |
| B. | alimentary canal |
| C. | jaws |
| D. | teeth |
| Answer» D. teeth | |
| 89. |
Liver oil which is used in medicine as a source of multivitamin (A and D) is obtained from |
| A. | shark |
| B. | ray |
| C. | eel |
| D. | dolphin |
| Answer» B. ray | |
| 90. |
Segments in body of Annelids are separated with help of |
| A. | septa |
| B. | segmental |
| C. | segmented |
| D. | webs |
| Answer» B. segmental | |
| 91. |
Lobed structure which is present at mouth of alimentary canal of annelids is termed as |
| A. | nephridia |
| B. | mucus |
| C. | anus |
| D. | prostomium |
| Answer» E. | |
| 92. |
Mode of fertilization in class Pisces is |
| A. | internal |
| B. | external |
| C. | vertical |
| D. | None of the Above |
| Answer» C. vertical | |
| 93. |
Body of prechordates is divided into an anterior proboscis, collar and |
| A. | root |
| B. | trunk |
| C. | bark |
| D. | tail |
| Answer» C. bark | |
| 94. |
Ability to reform its lost organ in animals is called as |
| A. | mitosis |
| B. | meiosis |
| C. | regeneration |
| D. | regrowth |
| Answer» D. regrowth | |
| 95. |
Secretions hardened in polyps and covered by stony cup in |
| A. | coral reefs |
| B. | shells |
| C. | sponges |
| D. | sea anemone |
| Answer» B. shells | |
| 96. |
Cavity present between body wall and elementary canal and lined mesoderm is called |
| A. | mesoglea |
| B. | coelom |
| C. | chitin |
| D. | flaggellum |
| Answer» C. chitin | |
| 97. |
A very dangerous specie of parasite which holds villi of intestine and sucks blood and body fluid is |
| A. | hook worm |
| B. | tape worm |
| C. | moluscus |
| D. | leech |
| Answer» B. tape worm | |
| 98. |
Drainage capacity of soil is improved by burrowing activity of |
| A. | insects |
| B. | earthworms |
| C. | snakes |
| D. | termites |
| Answer» C. snakes | |
| 99. |
Evidences suggests that birds have been evolved from ancestors of |
| A. | amphibians |
| B. | insects |
| C. | dinosaurs |
| D. | reptiles |
| Answer» E. | |
| 100. |
Generations reproduced sexuallly and asexually in coelenterates, are |
| A. | haploid |
| B. | diploid |
| C. | triploblastic |
| D. | diploblastic |
| Answer» C. triploblastic | |