Biology - MOST IMPORTANT UP PCS Previous Year Questions
Practice real questions from previous year exams of UP PCS.
📘 Cellular Transport📚 Movement of Water molecules through Osmosis
Q1
Which one of the following is NOT correctly matched?
(a) Desalination - Sea water
(b) Reverse osmosis - Potable water
(c) Denaturation - Proteins
(d) Pasteurisation - Tea
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📘 Monera- Bacteria📚 General Facts
Q2
Nitrogen fixing bacteria make combination with cells of the roots of
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📘 Medicinal Plants📚 Medicinal Plants and related Diseases
Q3
Tulsi plant has medicinal values due to the presence of the following
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📘 Classification of Kingdom📚 Phylum Arthropoda
Q4
Which of the following organisms has white blood?
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📘 Macro-Nutrients: Protein📚 Proteins in Food and Other Biological Sources
Q5
Which of the following substances is NOT a protein?
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📘 Digestive System- VI: Pancreas📚 General Facts
Q6
Which of the following glands in human body acts both as a endocrine gland as well as an exocrine gland?
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📘 Micro-Nutrients: Vitamin-B Complex- Sources and Deficiency Diseases📚 Vitamin B1 (Thiamin)
Q7
Use of polished rice in human diet causes the following disease
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📘 Micro-Nutrients: Vitamin-B Complex- Sources and Deficiency Diseases📚 Vitamin B2 (Riboflavin)
Q8
Which of the following pairs is NOT correctly matched?
(Vitamin) (Rich Source)
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📘 Micro-Nutrients: Vitamins- Sources and Deficiency Diseases📚 Misc
Q9
Given below are two statements, one labelled as assertion (A) and the other as Reason (R)
Assertion (A) : Most of the vitamins are not synthesised in human body.
Reason (R) : Human organs synthesise only essential micronutrients.
Select the correct answer from the codes given below :
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📘 Macro-Nutrients: Protein📚 Misc
Q10
Which of the following statements about enzymes is/are correct?
1. They are biocatalysts.
2. They perform their action on the site where they are produced
Select the correct answer from the codes given below
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📘 Exocrine Glands📚 Mammary Gland
Q11
Mother’s milk provides almost complete diet to the new-born, but it lacks the following
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📘 Botany- Plant Classification- Cryptogams📚 Thallophyta- Lichen
Q12
Which one of the following is the well known example of bioindicator of air pollution?
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📘 Classification of Kingdom📚 Phylum Arthropoda
Q13
Given below are two statements, one is labelled as Assertion (A) and the other as Reason (R).
Assertion (A) : Maximum number of the species of butterflies are found in tropical countries.
Reason (R) : Butterflies can not tolerate low temperatures.
Select the correct answer using the codes given below :
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📘 Monera- Bacteria📚 General Facts
Q14
Which of the following is associated with biological nitrogen fixation?
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📘 Diseases: Overview📚 Misc
Q15
Match List-I with List-II and select the correct answer using the codes given below the lists:
List-I
A. National Programme for control of Blindness
B. Integrated Child Development Scheme
C. National Leprosy Eradication Programme
D. National Rural Health Mission
List-II (Year)
1. 1975
2. 1976
3. 2005
4. 1983
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📘 Micro-Nutrients: Minerals📚 Micro-Nutrient Minerals
Q16
Which of the following natural substances contains iron (Fe)?
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📘 Medicinal Plants📚 Medicinal Plants and related Diseases
Q17
Which of the following substances is obtained from a tree?
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📘 Genetics📚 Important Terms
Q18
Change in the base sequence within a gene is called :
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📘 Digestive System- III: Stomach📚 Function of stomach
Q19
In human body, the digestion of protein begins in which of the following organs?
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📘 Micro-Nutrients: Vitamin-B Complex- Sources and Deficiency Diseases📚 Vitamin B1 (Thiamin)
Q20
Use of polished rice in human diet causes following diseases :
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