ICAR AIEEA (PG): Master's entrance, Veterinary Science and Animal Sciences · India · NTA for ICAR
Original practice questions written to the published syllabus · not past papersICAR AIEEA (PG): Master's entrance, Veterinary Science and Animal Sciences is a postgraduate admission exam run by NTA for ICAR, for candidates in India. Computer-based, 120 MCQs in 120 minutes, +4 for correct and -1 for wrong, maximum 480. English only.
Source: icar.org.in.
Checked against the exam body's published information. Formats and fees change; confirm the current edition there before you book.
Red cell indices and their calculation, anaemia classification, liver and kidney function tests, urinalysis, anticoagulants, acute phase proteins, enzyme specificity by species, and quality control concepts.
Using the laboratory well: haematology, biochemistry panels, organ function tests, urinalysis, cytology, sampling for microbiology, reference intervals and quality control.
Our 20 ICAR AIEEA questions in this subject: 16 easy, 4 medium, 0 hard, across 8 units.
Choose an answer, then open the working. Each explanation says why the right answer is right and why the others are not.
These 10 were written to ICAR AIEEA and are not shown on any other exam's page.
Which anticoagulant is preferred for a routine mammalian complete blood count and blood smear?
D. EDTA, because it preserves cell morphology best
EDTA chelates calcium and preserves cell morphology, so it is used for the CBC and smear. Heparin is the common wrong choice: it causes clumping and poor staining of leukocytes in mammals, although it is used for many birds and reptiles whose red cells EDTA damages. Citrate is for coagulation and fluoride for glucose.
A piglet aged three weeks, housed indoors without iron supplementation, is pale. Which red cell picture is expected?
A. Microcytic, hypochromic anaemia
Iron deficiency impairs haemoglobin synthesis, so extra divisions produce small (microcytic) cells with less haemoglobin (hypochromic). Piglets are born with low iron stores and sow's milk is iron-poor. Macrocytic hypochromic is the pattern of strong regeneration, and normocytic normochromic is typical of anaemia of inflammation.
Which statement about the normal leukogram of adult cattle is correct?
B. Lymphocytes normally outnumber neutrophils
Adult cattle are lymphocyte-predominant, with a neutrophil to lymphocyte ratio around 1:2; a reversal suggests inflammation or stress. Neutrophil predominance is the pattern of dogs, cats and horses. Eosinophils are normally present, and bands should be few.
A young male dog bleeds after castration. Platelet count and PT are normal; aPTT is prolonged. Which defect fits best?
B. Haemophilia A (factor VIII deficiency)
Factor VIII belongs to the intrinsic pathway, so its deficiency prolongs aPTT while PT stays normal; haemophilia A is X-linked and seen in males. Von Willebrand disease prolongs bleeding time with usually normal PT; rodenticide prolongs PT first; ITP lowers the platelet count.
A dog has hypoalbuminaemia (18 g/L) and low total calcium but normal ionised calcium. What is the best interpretation?
A. Total calcium is low because less is protein-bound; no treatment for calcium
About half of total calcium is protein-bound, mostly to albumin. Hypoalbuminaemia lowers total calcium while the active ionised fraction is normal. Measure ionised calcium rather than relying on correction formulas.
Grass tetany in grazing cattle is associated with a low blood concentration of which mineral?
C. Magnesium
Grass tetany (hypomagnesaemic tetany) occurs on lush, potassium-rich pasture with low magnesium intake or absorption, often with concurrent hypocalcaemia. Low phosphorus is linked to post-parturient haemoglobinuria; copper deficiency causes anaemia, poor growth and demyelination.
Which enzyme is liver-specific in horses and ruminants but unstable in stored samples?
A. Sorbitol dehydrogenase
SDH is liver-specific in large animals but loses activity within hours, so it must be measured promptly. GLDH is also liver-specific and more stable. AST also comes from muscle; ALP is not liver-specific and very variable in large animals.
What is the expected pH of urine from a healthy adult herbivore such as a horse or cow?
C. Alkaline
Plant diets yield an alkaline urine in herbivores; carnivores usually have acidic urine. Aciduria in a cow suggests metabolic disturbance such as paradoxical aciduria or an acidifying diet.
Why should tissue for PCR not be placed in formalin?
C. Formalin degrades nucleic acid and reduces PCR sensitivity
Formalin cross-links and fragments nucleic acids, lowering PCR yield. Fresh, chilled or frozen tissue, or a dedicated nucleic acid preservative, is preferred.
Which in-clinic test gives the PCV, buffy coat, plasma colour and plasma for total protein in a few minutes?
B. Microhaematocrit centrifugation
Spinning a microhaematocrit tube gives the PCV, buffy coat height, plasma colour (icterus, haemolysis, lipaemia) and plasma for refractometric total protein.
This plan follows where our questions actually fall, so the time goes where the marks are likely to be. It is our reading of the syllabus, not the exam body's weighting.
Read the manual chapters for these first and do every worked question you can find on them.
Aim for one sitting per unit, then mixed questions across them.
Learn the definitions, classifications and standard numbers; these units are more often recalled than worked.
Do these early in revision so they are fast on the day.
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