Biology Previous Year Questions 2026 | Uttarakhand PCS

Biology - MOST IMPORTANT Uttarakhand PCS Previous Year Questions

Practice real questions from previous year exams of Uttarakhand PCS.

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

Which of the following is studied under Paleo-Botany?

🎯 Uttarakhand PCS (Pre) 2004-05
📘 Bacterial Diseases📚 Misc
Q2

Food poisoning (Botulism) is caused by infection of a species of–

🎯 Uttarakhand PCS (Pre) 2004-05
📘 Macro-Nutrients: Carbohydrates📚 Polysaccharides
Q3

Which of these compound is known as the 'starch of animals'?

🎯 Uttarakhand PCS (M) 2010-11
📘 Digestive System- II: Buccal Cavity and Oesophagus📚 Structure of Tooth (Enamel, Dentine, etc.)
Q4

The main cause of dental cavities is bacteria inside the mouth and:

🎯 Uttarakhand PCS (Pre) 2004-05
📘 Circulatory System- I (Blood and its Cells)📚 Blood Groups
Q5

Blood group was discovered by:

🎯 Uttarakhand PCS (Pre) 2006-07
📘 Circulatory System- IV (Heart Chambers)📚 Blood Pressure and its types- Systolic and Diastolic
Q6

Average blood pressure of a healthy person is:

🎯 Uttarakhand PCS (Pre) 2004-05
📘 Circulatory System- I (Blood and its Cells)📚 Blood Groups
Q7

Blood group 'O' is:

🎯 Uttarakhand PCS (M) 2004-05
📘 Excretory System-II: Human Excretory System📚 Kidney- General Facts
Q8

When kidneys fail to function, there is accumulation of–

🎯 Uttarakhand PCS (Pre) 2006-07
📘 Skeletal System📚 General Facts
Q9

The number of bones known till date in human body is:

🎯 Uttarakhand PCS (Pre) 2009-10
📘 Endocrine Glands- Brain📚 Pituitary gland- Posterior Pituitary Lobe and secreted hormones
Q10

Which hormone is injected to cows and buffaloes to make the milk descend to the udders?

🎯 Uttarakhand PCS (M) 2010-11
📘 Macro-Nutrients: Protein📚 Misc
Q11

The slow growth of the human body is due to the deficiency of-

🎯 Uttarakhand PCS (M) 2006
📘 Micro-Nutrients: Minerals📚 Micro-Nutrient Minerals
Q12

Iron content is found maximum in

🎯 Uttarakhand PCS (Pre) 2002-03
📘 Viral Diseases📚 Polio
Q13

The polio virus enters in the body by-

🎯 Uttarakhand PCS (Pre) 2002-03
📘 Viral Diseases📚 Dengue
Q14

Which of the following disease is transmitted by the bite of an insect?

🎯 Uttarakhand PCS (Mains) 2004-05
📘 Viral Diseases📚 AIDS
Q15

HIV AIDS does not spread through:

🎯 Uttarakhand PCS (Pre) 2004-05
📘 Viral Diseases📚 Influenza
Q16

Influenza is caused by:

🎯 Uttarakhand PCS (Pre) 2009-10
📘 Viral Diseases📚 Misc
Q17

Which of the following sets have all viral diseases?

🎯 Uttarakhand PCS (M) 2002-03
📘 Respiratory System- V (Respiratory Disorders)📚 Asthma
Q18

Which of the following dust components cause problems for asthma patients?

🎯 Uttarakhand PCS (M) 2004-05
📘 Important Scientists of Biology📚 Other scientists and discoveries
Q19

The term antibiotic was coined by:

🎯 Uttarakhand PCS Pre Exam- 14/07/2024
📘 Important Scientists of Biology📚 Other scientists and discoveries
Q20

The hybridoma technique was developed by whom?

🎯 Uttarakhand PCS Pre Exam- 14/07/2024