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Objective Questions

Latest NEET Zoology Exam Question (Objective Questions), MCQ in English

Subjects : Zoology

Question Bank NEET Zoology - English
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Zoology

Question 1Single Answer
The shivering, a characteristic symptom of malaria, occurs when :
  1. A
    sporozoites enter the blood
  2. B
    metacryptozoites are liberated from the liver cells
  3. C
    merozoites are liberated  from RBC with toxin
  4. D
    schizonts are formed in RBC     
Question 2Single Answer
The trophozoite of Plasmodium lives in :
  1. A
    erythrocytes of man
  2. B
    liver cells 
  3. C
    stomach of mosquito
  4. D
    blood of plasma   
Question 3Single Answer
In Paramecium, a food vacuole is formed at the posterior end of which structure?
  1. A
    Cytopharynx
  2. B
    Oral groove
  3. C
    Cytostome
  4. D
    Cytoproct
Question 4Single Answer
In a Paramecium, the trichocysts are used for :
  1. A
    fight or flight response
  2. B
    defence
  3. C
    offense
  4. D
    both (a) and (c) 
Question 5Single Answer
The disease caused by Trypanosoma cruzi is :
  1. A
    sleeping sicknees
  2. B
    chaga's disease
  3. C
    Kala-azar 
  4. D
    oriental sore  
Question 6Single Answer
The infective stage of Entamoeba histolytica is :
  1. A
    sporozoite
  2. B
    minuta form
  3. C
    mature cyst
  4. D
    trophic form  
Question 7Single Answer
Sporogony of malaria parasite occurs in :
  1. A
    liver of man
  2. B
    RBC of man
  3. C
    Stomach wall of mosquito
  4. D
    Salivary glands of mosquito   
Question 8Single Answer
Entamoeba differs from Amoeba is not having :
  1. A
    nucleus
  2. B
    pseudopodia
  3. C
    ectoplasm
  4. D
    contractile vascule  
Question 9Single Answer
Mild tertian malaria is caused by :
  1. A
    Plasmodium vivax
  2. B
    Plasmodium falciparum
  3. C
    Plasmodium ovale
  4. D
    Plasmodium malariae
Question 10Single Answer
Which adaptation enables Amoeba to survive unfavourable environmental conditions?
  1. A
    Binary fission
  2. B
    Conjugation
  3. C
    Encystment
  4. D
    Budding
Question 11Single Answer
The number of daughter paramecia produced following conjugation is :
  1. A
    8 from one conjugant
  2. B
    8 from two conjugants
  3. C
    16 from conjugants
  4. D
    8-16 from two conjugants 
Question 12Single Answer
Which enzyme secreted into the food vacuole of Amoeba primarily helps digest proteins?
  1. A
    Protease
  2. B
    Amylase
  3. C
    Lipase
  4. D
    Cellulase
Question 13Single Answer
Ingestion of some water with food in Amoeba takes place by the process of :
  1. A
    endosmosis
  2. B
    pinocytosis
  3. C
    phagocytosis
  4. D
    None of these
Question 14Single Answer
The path followed by a food vacuole in Paramecium is referred to as :
  1. A
    cycloid
  2. B
    cyclic vascular path
  3. C
    cyclosis 
  4. D
    cyclosphere
Question 15Single Answer
Sleeping sickness in man is caused by Trypanosoma by the bite of the infective :
  1. A
    Female Tse-tse fly
  2. B
    male Te-tse fly
  3. C
    both male and female Tse-tse files 
  4. D
    male and female aedes moquito
Question 16Single Answer
What is the principal nitrogenous excretory product of Amoeba?
  1. A
    Ammoni
  2. B
    Urea
  3. C
    Uric acid
  4. D
    Creatinine
Question 17Single Answer
In the life cycle of Plasmodium, humans function primarily as which type of host?
  1. A
    Definitive host
  2. B
    Intermediate host
  3. C
    Vector host
  4. D
    Paratenic host
Question 18Single Answer
Locomotory organelles in the parasitic protozoa of class sporozoa are :
  1. A
    cilia
  2. B
    flagella
  3. C
    pseudopodia
  4. D
    absent
Question 19Single Answer
In Paramecium, proteins are digested :
  1. A
    partly in endoplasm and partly in food vacuole 
  2. B
    during the acid phase of the food vacuole
  3. C
    during the alkaline phase of the food vacuole
  4. D
    both (b) and (c)
Question 20Single Answer
The schizogony cycle of Plasmodium takes place in :
  1. A
    alimentary canal of mosquito
  2. B
    liver of man
  3. C
    liver and RBC of man
  4. D
    RBC of man
Question 21Single Answer
What generally happens to contractile-vacuole activity when a freshwater Amoeba is transferred to a sufficiently hypertonic saline solution?
  1. A
    It increases rapidly
  2. B
    It remains unchanged
  3. C
    It decreases markedly or may cease
  4. D
    The vacuole divides repeatedly
Question 22Single Answer
What is the median adhesive pad located between the two terminal claws of a cockroach leg called?
  1. A
    Unguis
  2. B
    Arolium
  3. C
    Tibial spur
  4. D
    Cercus
Question 23Single Answer
The binomial system of Carolus Linnaeus was devoid of which of the following categories ?
  1. A
    Genus and species
  2. B
    Class and order
  3. C
    Phylum and family
  4. D
    Kingdom and class
Question 24Single Answer
The mouthparts of a cockroach are adapted primarily for which mode of feeding?
  1. A
    Biting and chewing
  2. B
    Piercing and sucking
  3. C
    Siphoning
  4. D
    Sponging
Question 25Single Answer
Which mosquito is the biological vector responsible for natural transmission of human malaria?
  1. A
    Male Culex
  2. B
    Female Culex
  3. C
    Female Aedes
  4. D
    Female Anopheles
Question 26Single Answer
Amniota group includes :
  1. A
    Aves and Reptiles
  2. B
    Pisces, Amphibia and Reptiles
  3. C
    Amphibia, Reptiles and Aves
  4. D
    Reptiles, Aves and Mammalia
Question 27Single Answer
Which combination correctly represents the principal mouthparts of a cockroach?
  1. A
    Labrum, mandibles, first maxillae, labium and hypopharynx
  2. B
    Labrum, antennae, tibia, labium and cerci
  3. C
    Mandibles, antennae, femur, maxillae and labium
  4. D
    Labrum, wings, mandibles, hypopharynx and tibia
Question 28Single Answer
In a typical winged insect, the two pairs of wings are borne on which thoracic segments?
  1. A
    Prothorax and mesothorax
  2. B
    Mesothorax and metathorax
  3. C
    Prothorax and metathorax
  4. D
    Prothorax and first abdominal segment
Question 29Single Answer
Which is true ?
  1. A
    Pisces, Reptiles and birds are poikilotherms
  2. B
    Pisces, Amphibians and Reptiles are Anamniota
  3. C
    Aves, Mammals and Reptiles are homeotherms
  4. D
    Reptiles, Aves and Mammais are Amniota
Question 30Single Answer
Which sequence correctly represents the general forward flow of haemolymph through the dorsal vessel of a cockroach?
  1. A
    Pericardial sinus → heart → aorta → head → haemocoelic sinuses
  2. B
    Heart → pericardial sinus → aorta → head → dorsal sinus
  3. C
    Ventral sinus → aorta → heart → head → dorsal sinus
  4. D
    Head → aorta → heart → pericardial sinus → ventral sinus
Question 31Single Answer
What are the dorsal sclerites of the three thoracic segments of an insect collectively called?
  1. A
    Sterna
  2. B
    Pleura
  3. C
    Nota
  4. D
    Coxae
Question 32Single Answer
Amniotes do not include :
  1. A
    Amphibia
  2. B
    Reptiles
  3. C
    Birds
  4. D
    Mammals
Question 33Single Answer
Which vector transmits visceral leishmaniasis or kala-azar?
  1. A
    Glossina
  2. B
    Aedes
  3. C
    Pediculus
  4. D
    Phlebotomus
Question 34Single Answer
What are the corpora allata of a cockroach?
  1. A
    Excretory organs
  2. B
    Tactile organs
  3. C
    Endocrine glands
  4. D
    Digestive glands
Question 35Single Answer
The group amniota includes :
  1. A
    Reptiles and birds
  2. B
    Reptiles and mammals
  3. C
    Reptiles, birds and mammals
  4. D
    Birds and mammals
Question 36Single Answer
Wingless insects, with abdominal appendages in the adult, are put under the sub - class :
  1. A
    apterygota
  2. B
    pterygota
  3. C
    exopterygota
  4. D
    endopterygota
Question 37Single Answer
In cockroach, the type of metamorphosis is :
  1. A
    metabolus
  2. B
    hemimetabolus
  3. C
    paurometabolus
  4. D
    holometabolous
Question 38Single Answer
In which kingdom prokaryotic organisms were placed by Whittaker ?
  1. A
    Animalia
  2. B
    Plantae
  3. C
    Monera
  4. D
    Protista
Question 39Single Answer
Approximately how many eggs may a female Anopheles mosquito lay in a single batch?
  1. A
    5–20
  2. B
    50–200
  3. C
    300–500
  4. D
    More than 1,000
Question 40Single Answer
A dorsal sclerite of cockroach is called :
  1. A
    pleuron
  2. B
    plastrom
  3. C
    tergum
  4. D
    sternum
Question 41Single Answer
Concern with nomenclature of organisms :
A - Whittaker, B - Strickland
  1. A
    Only A
  2. B
    Only B
  3. C
    Both A and B
  4. D
    None
Question 42Single Answer
In mosquitoes and other true flies, the hindwings are modified into which balancing organs?
  1. A
    Scutella
  2. B
    Halteres
  3. C
    Tegmina
  4. D
    Elytra
Question 43Single Answer
In the male cockroach, the paired testes are situated approximately in which abdominal segments?
  1. A
    First to third
  2. B
    Second to fourth
  3. C
    Fourth to sixth
  4. D
    Seventh to ninth
Question 44Single Answer
According  to five kingdom classification, Protozoa are placed in :
  1. A
    Protista
  2. B
    Monera
  3. C
    Fungi
  4. D
    Animalia
Question 45Single Answer
Which honeybee larvae continue to receive abundant royal jelly beyond the initial larval feeding period?
  1. A
    Larvae destined to become queens
  2. B
    Only drone larvae
  3. C
    Only worker larvae
  4. D
    All larvae throughout their entire development
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