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Zoology Questions

Practice 51 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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51
Total Questions
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10
Easy
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38
Medium
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3
Hard
Practice by Exam:Biology(45)General Awareness(3)General Knowledge(2)General Science(1)

About Zoology — practice questions, PYQs & concepts

Zoology is a frequently-tested topic on Biology, General Awareness, General Knowledge. ExamTest.live currently lists 51 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 (45), General Awareness (3), General Knowledge (2) and General Science (1). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 10 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(1–51 of 51)

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Q1mediummcqGeneral KnowledgeCompetitive Exam2026
0% accuracy
Who are ethologists according to the terminology listed in image_66ceff.jpg?
Q2mediummcqGeneral KnowledgeCompetitive Exams2026
Which of the following is a nocturnal animal?
Q3mediummcqGeneral ScienceStaff Selection Commission2026
Which of the following is NOT an amphibian?
Q4mediummcqGeneral AwarenessSSC CGL2026
Which of the following classes has the largest number of animals?
Q5mediummcqBiologySSC CGL2026
Which of the following is NOT a hermaphrodite?
Q6mediummcqGeneral AwarenessSSC Combined Graduate Level Exam2026
Which of the following animals are the stinging capsules located around the mouth and on the tentacles?
Q7easymcqGeneral AwarenessSSC Selection Post 2021 Matriculation Level2026
Cassowary, kiwi and rhea are examples of which of the following?
Q8mediummcqBiologyBiology
0% accuracy
From the following statements select the wrong one:
Q9easymcqBiologyBiology
0% accuracy
The world's highly prized wool-yielding 'Pashmina' breed is:
Q10mediummcqBiologyBiology
0% accuracy
Which one of the following characters is not typical of the class-mammalia?
Q11mediummcqBiologyBiology
0% accuracy
Animals have the innate ability to escape from predation. Examples for the same are given below. Select the incorrect example:
Q12mediummcqBiologyBiology
33% accuracy
Which of the following is correct about the International Code of Zoological Nomenclature (ICZN)?
Q13mediummcqBiologyBiology
0% accuracy
Which international organization sets the rules for naming animals?
Q14easymcqBiologyBiology
Identify the correct statement on ‘inhibin’:
Q15hardmcqBiologyBiology
Changes in GnRH pulse frequency in females is controlled by circulating levels of:
Q16mediummcqBiologyBiology
It is much easier for a small animal to run uphill than for a large animal, because:
Q17mediummcqBiologyBiology
Reduction in pH of blood will:
Q18mediummcqBiologyBiology
Lack of relaxation between successive stimuli in sustained muscle contraction is known as:
Q19easymcqBiologyBiology
Which of the following guards the opening of hepatopancreatic duct into the duodenum?
Q20easymcqBiologyBiology
In the stomach, gastric acid is secreted by the:
Q21mediummcqBiologyBiology
In mammals, which blood vessel would normally carry largest amount of urea?
Q22easymcqBiologyBiology
Analogous structures are a result of:
Q23mediummcqBiologyBiology
Which one of the following characteristics is not shared by birds and mammals?
Q24mediummcqBiologyBiology
Select the incorrect statement:
Q25mediummcqBiologyBiology
The amino acid Tryptophan is the precursor for the synthesis of:
Q26easymcqBiologyBiology
Which of the following features is not present in the Phylum – Arthropoda?
Q27mediummcqBiologyBiology
Asthma may be attributed to:
Q28hardmcqBiologyBiology
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:
Q29mediummcqBiologyBiology
Which one of the following groups of structures/organs have similar function?
Q30mediummcqBiologyBiology
A cross section at the midpoint of the middle piece of a human sperm will show:
Q31mediummcqBiologyBiology
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?
Q32easymcqBiologyBiology
Name the chronic respiratory disorder caused mainly by cigarette smoking:
Q33mediummcqBiologyBiology
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.
Q34mediumassertion/reasoningBiologyBiology
The duck-billed Platypus and the spiny ant-eater, both are egg-laying animals yet they are grouped under mammals.
Q35mediummcqBiologyBiology
Which international code governs the naming of animals?
Q36easymcqBiologyBiology
Which is the National Aquatic Animal of India?
Q37mediummcqBiologyBiology
Which of the following approaches does not give the defined action of contraceptive?
Q38mediummcqBiologyBiology
Which of the following features is not present in Periplaneta americana?
Q39mediummcqBiologyBiology
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:
Q40mediummcqBiologyBiology
Blood pressure in the pulmonary artery is:
Q41mediummcqBiologyBiology
Which of the following structures is homologous to the wing of a bird?
Q42mediummcqBiologyBiology
Photosensitive compound in human eye is made up of:
Q43mediummcqBiologyBiology
In context of Amniocentesis, which of the following statements is incorrect?
Q44mediummcqBiologyBiology
Antivenom injection contains preformed antibodies while polio drops that are administered into the body contain:
Q45mediummcqBiologyBiology
Which of the following statements is not true for cancer cells in relation to mutations?
Q46mediummcqBiologyBiology
Which type of tissue correctly matches with its location?
Q47mediummcqBiologyBiology
Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other?
Q48mediummcqBiologyBiology
Fertilization in humans is practically feasible only if:
Q49hardmcqBiologyBiology
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?
Q50mediummcqBiologyBiology
Which of the following characteristic features always holds true for the corresponding group of animals?
Q51easymcqBiologyBiology
Which one of the following features is common in silverfish, scorpion, dragonfly and prawn?

Frequently Asked Questions

How many Zoology questions are on ExamTest.live?▼
We have 51 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 Awareness, General Knowledge, General Science. 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.