Biology Previous Year Questions 2026 | UKPSC RO/ARO

Biology - MOST IMPORTANT UKPSC RO/ARO Previous Year Questions

Practice real questions from previous year exams of UKPSC RO/ARO.

📘 Branches of Biology📚 Study of different branches of biology (Neurology, Cardiology, etc.)
Q1

Oncology is the study of:

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📘 Respiratory System- III (Respiratory Organs in Humans)📚 Lungs- General Facts
Q2

Human Lungs are divided into how many parts?

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📘 Viral Diseases📚 Misc
Q3

Yellow fever is transmitted through–

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📘 Viral Diseases📚 Swine Flu
Q4

Which of the following causes swine flu?

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📘 Monera- Bacteria📚 General Facts
Q5

The growth of bacteria is measured by:

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📘 Viral Diseases📚 Misc
Q6

Lumpy Skin Disease (LSD) was first detected in India in 2019 from which state?

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📘 Diseases: Overview📚 Misc
Q7

'U-Win' launched by the Government of India is related to the following:

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📘 Morphology📚 Transpiration
Q8

Plants add water to the atmosphere in a process called-

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📘 Botany- types of Hormones📚 Growth Inhibitor- Ethylene, Abscisic Acid
Q9

Which of the following plant hormone is responsible for ripening of fruits?

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📘 Macro-Nutrients: Protein📚 Structure of Protein
Q10

The main component of protein is:

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📘 Macro-Nutrients: Carbohydrates📚 Monosaccharides- Glucose, Fructose, Galactose, etc.
Q11

The major component of honey is:

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📘 Cell Structure and Organelles📚 Plastids and their types- Chloroplast, Chromoplast and Leucoplast
Q12

Elaioplasts store:

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📘 Chromosomal and Genetic Diseases📚 Misc
Q13

Sickle-cell anemia is a disease caused due to the abnormality in

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📘 Classification of Kingdom📚 Classes of Vertebrates: Aves
Q14

Which of the following is not a flightless bird?

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📘 Classification of Kingdom📚 Classes of Vertebrates: Aves
Q15

The bird which can move its upper jaw is:

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📘 Classification of Kingdom📚 Classes of Vertebrates: Mammals
Q16

Dolphins are classified in:

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📘 Classification of Kingdom📚 Classes of Vertebrates: Aves
Q17

The bird which can move its upper jaw is-

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📘 Classification of Kingdom📚 Classes of Vertebrates: Mammals
Q18

Dolphins are classified in–

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📘 Circulatory System- I (Blood and its Cells)📚 Red Blood Cells
Q19

Which of the following is referred to as the "Graveyard of RBC's"?

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📘 Circulatory System- I (Blood and its Cells)📚 White Blood Cells- General Facts
Q20

Which of the following develops immunity in the body?

🎯 UKPSC RO/ARO, 2016