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Zoology Questions

Practice 73 Zoology questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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73
Total Questions
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11
Easy
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59
Medium
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3
Hard
Practice by Exam:Biology(58)General Science(4)General Awareness(3)Science(3)General Knowledge(2)Biology & Science(1)Mathematics and Science(1)General Science@NUM: 30(1)

About Zoology — practice questions, PYQs & concepts

Zoology is a frequently-tested topic on Biology, General Science, General Awareness. ExamTest.live currently lists 73 Zoology questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

Zoology weight in competitive exams

Across our Zoology question bank, the largest sources are Biology (58), General Science (4), General Awareness (3), Science (3) and General Knowledge (2). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 11 easy Zoology questions are available — build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right — the explanation often surfaces a faster approach you can reuse.

All Zoology Questions(1–73 of 73)

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Q1mediummcqBiologyCompetitive Exam2026
25% accuracy
Which of the following statements is INCORRECT about redworms ?
Q2mediummcqScienceWest Bengal Civil Services2026
0% accuracy
Which one of the following organs is the main respiratory organ of whale?
Q3mediummcqBiologyCompetitive Exam2026
0% accuracy
Grub is the larva of
Q4mediummcqGeneral KnowledgeCompetitive Exam2026
0% accuracy
Who are ethologists according to the terminology listed in image_66ceff.jpg?
Q5mediummcqGeneral ScienceSSC CGL2026
0% accuracy
Panthera Tigris is the scientific name of _________.
Q6mediummcqBiologyCompetitive Exam2026
0% accuracy
Equs Asinus is the scientific name of ______.
Q7mediummcqBiologySSC CGL2026
100% accuracy
Elapidae Naja is the scientific name of __________ .
Q8mediummcqGeneral ScienceSSC CGL2026
0% accuracy
All of the following are excretory (waste) products of animals, except
Q9mediummcqScienceWest Bengal Civil Services2026
0% accuracy
'Tasar' silk fibre is produced by
Q10mediummcqBiologyCompetitive Exam Prep2026
Nekton (necton) are defined as:
Q11easymcqGeneral AwarenessSSC Selection Post 2021 Matriculation Level2026
Cassowary, kiwi and rhea are examples of which of the following?
Q12mediummcqGeneral AwarenessSSC Combined Graduate Level Exam2026
Which of the following animals are the stinging capsules located around the mouth and on the tentacles?
Q13mediummcqBiologySSC CGL2026
Which of the following is NOT a hermaphrodite?
Q14mediummcqGeneral AwarenessSSC CGL2026
Which of the following classes has the largest number of animals?
Q15mediummcqGeneral ScienceStaff Selection Commission2026
Which of the following is NOT an amphibian?
Q16mediummcqGeneral KnowledgeCompetitive Exams2026
Which of the following is a nocturnal animal?
Q17easymcqMathematics and ScienceUPTET Paper 2 (Maths & Science)2026
Silk is obtained from which stage of silkworm?
Q18mediummcqBiologyCompetitive Exam Practice Paper2026
Nekton are:
Q19mediummcqBiologyCompetitive Exam Practice Paper2026
A mammal that lays eggs is:
Q20mediummcqGeneral ScienceCompetitive Exam2026
A 'Grub' is the characteristic scientific name given to the larval stage of which animal group?
Q21mediummcqBiology & ScienceGovernment Exams2026
Who are ethologists?
Q22mediummcqGeneral Science@NUM: 30SSC CGL2026
Equus Caballus is the scientific name of ________.
Q23mediummcqBiologyGeneral Awareness2026
Oysters belongs to the phylum _________.
Q24mediummcqScienceSSC CGL2026
Name the respiratory organs of insects
Q25mediummcqBiologyCompetitive Exam Prep2026
Which one of the following animal phyla is the latest by chronological order of discovery?
Q26mediummcqBiologyIndian Competitive Exam Prep2026
Which one of the following animals is known as a 'living fossil'?
Q27mediummcqBiologyCompetitive Exam Mock2026
'Ornithology' is the science of
Q28mediummcqBiologyCompetitive Exam Mock2026
Which one of the following animals is not 'warm-blooded'?
Q29mediummcqBiologyCompetitive Exam Prep2026
Which of the following is a mammal that lays eggs?
Q30mediummcqBiologyBiology
0% accuracy
From the following statements select the wrong one:
Q31easymcqBiologyBiology
0% accuracy
The world's highly prized wool-yielding 'Pashmina' breed is:
Q32mediummcqBiologyBiology
0% accuracy
Which one of the following characters is not typical of the class-mammalia?
Q33mediummcqBiologyBiology
0% accuracy
Animals have the innate ability to escape from predation. Examples for the same are given below. Select the incorrect example:
Q34mediummcqBiologyBiology
33% accuracy
Which of the following is correct about the International Code of Zoological Nomenclature (ICZN)?
Q35mediummcqBiologyBiology
0% accuracy
Which international organization sets the rules for naming animals?
Q36mediummcqBiologyBiology
Which international code governs the naming of animals?
Q37mediummcqBiologyBiology
In context of Amniocentesis, which of the following statements is incorrect?
Q38easymcqBiologyBiology
Name the chronic respiratory disorder caused mainly by cigarette smoking:
Q39mediummcqBiologyBiology
Which of the following structures is homologous to the wing of a bird?
Q40mediummcqBiologyBiology
Blood pressure in the pulmonary artery is:
Q41mediummcqBiologyBiology
In higher vertebrates, the immune system can distinguish self – cells and non – self. If this property is lost due to genetic abnormality and it attacks self – cells, then it leads to:
Q42mediummcqBiologyBiology
Which of the following features is not present in Periplaneta americana?
Q43mediummcqBiologyBiology
Which of the following approaches does not give the defined action of contraceptive?
Q44easymcqBiologyBiology
Which is the National Aquatic Animal of India?
Q45mediummcqBiologyBiology
Based on cellular mechanisms there are two major types of regeneration found in the animals. Which one of the following is the correct example of the type mentioned?
Q46mediummcqBiologyBiology
Antivenom injection contains preformed antibodies while polio drops that are administered into the body contain:
Q47mediumassertion/reasoningBiologyBiology
The duck-billed Platypus and the spiny ant-eater, both are egg-laying animals yet they are grouped under mammals.
Q48mediummcqBiologyBiology
Assertion : The fungi are widespread in distribution and they even live on or inside other plants and animals.Reason : Fungi are able to grow anywhere on land, water or on other organisms because they have a variety of pigments, including chlorophyll, carotenoids, fucoxanthin and phycoerythrin.
Q49easymcqBiologyBiology
Which one of the following features is common in silverfish, scorpion, dragonfly and prawn?
Q50hardmcqBiologyBiology
In an experiment freshly hatched larvae of an insect (Khapra beetle) were reared on a basal diet (complete diet without cholesterol) with increasing amounts of cholesterol. Results obtained are shown in the graph given in the table:The graph indicates that:
Q51mediummcqBiologyBiology
Which one of the following groups of structures/organs have similar function?
Q52mediummcqBiologyBiology
A cross section at the midpoint of the middle piece of a human sperm will show:
Q53mediummcqBiologyBiology
The amino acid Tryptophan is the precursor for the synthesis of:
Q54easymcqBiologyBiology
Identify the correct statement on ‘inhibin’:
Q55mediummcqBiologyBiology
It is much easier for a small animal to run uphill than for a large animal, because:
Q56mediummcqBiologyBiology
Reduction in pH of blood will:
Q57mediummcqBiologyBiology
Lack of relaxation between successive stimuli in sustained muscle contraction is known as:
Q58easymcqBiologyBiology
Which of the following guards the opening of hepatopancreatic duct into the duodenum?
Q59easymcqBiologyBiology
In the stomach, gastric acid is secreted by the:
Q60mediummcqBiologyBiology
In mammals, which blood vessel would normally carry largest amount of urea?
Q61easymcqBiologyBiology
Analogous structures are a result of:
Q62mediummcqBiologyBiology
Which one of the following characteristics is not shared by birds and mammals?
Q63mediummcqBiologyBiology
Select the incorrect statement:
Q64mediummcqBiologyBiology
Photosensitive compound in human eye is made up of:
Q65easymcqBiologyBiology
Which of the following features is not present in the Phylum – Arthropoda?
Q66mediummcqBiologyBiology
Asthma may be attributed to:
Q67hardmcqBiologyBiology
Changes in GnRH pulse frequency in females is controlled by circulating levels of:
Q68mediummcqBiologyBiology
Which of the following characteristic features always holds true for the corresponding group of animals?
Q69hardmcqBiologyBiology
Following are the two statements regarding the origin of life:(i) The earliest organisms that appeared on the earth were non-green and presumably anaerobes.(ii) The first autotrophic organisms were the chemoautotrophs that never released oxygen.Of the above statements, which one of the following options is correct?
Q70mediummcqBiologyBiology
Fertilization in humans is practically feasible only if:
Q71mediummcqBiologyBiology
Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other?
Q72mediummcqBiologyBiology
Which type of tissue correctly matches with its location?
Q73mediummcqBiologyBiology
Which of the following statements is not true for cancer cells in relation to mutations?

Frequently Asked Questions

How many Zoology questions are on ExamTest.live?▼
We have 73 Zoology questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Zoology MCQs free?▼
Yes. All Zoology questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Zoology questions?▼
Zoology questions are commonly asked in Biology, General Science, General Awareness, Science, General Knowledge. You can filter by exam using the links above.
How do I practice Zoology questions effectively?▼
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.