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Biology - MOST IMPORTANT Haryana PCS Previous Year Questions

Practice real questions from previous year exams of Haryana PCS.

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

Q1

Pigment containing and light reflecting cells are :

🎯 Haryana PCS (Pre) 2017

A.

Leucoplasts

B.

Chloroplasts

C.

Chromatophore

D.

Chromatoplasts

📘 Cell Fundamentals📚 Discovery of Cell and its Parts

Q2

The biologist who discovered the scientific function of cells in 1665 was :

🎯 Haryana PCS (Pre) 2017

A.

Robert Hooke

B.

Andreas Vesalius

C.

William Harvey

D.

John Hunter

📘 Reproduction in Organisms- II (Asexual Reproduction)📚 Spore Formation

Q3

Which of the following statements regarding asexual reproductive structures in fungi and Simple Plants is/are TRUE? 1. Zoospores are flagellated motile spores produced inside parent cell called zoosporangium. 2. Conidia are non-motile spores produced singly or in chains by constrictions at the tip or laterally on special hyphal branches called conidiophores. 3. Gemmules are endogenous buds that are simply a copy of parent nucleus with a small amount of cytoplasm and a protective covering around.

🎯 Haryana PCS (Pre) 2023

A.

1 and 3 only

B.

2 and 3 only

C.

1, 2 and 3

D.

3 only

📘 Circulatory System- I (Blood and its Cells)📚 Blood vessels- Artery, Vein, Capillary

Q4

Consider the following statements: Statement I : The blood arteries have thick rigid walls. Statement II : Arteries carry oxygen-rich blood from heart to various body organs under high pressure. In the light of the above statement, choose the correct answer from the option given below:

🎯 Haryana PCS (Pre) 2023

A.

Both Statement-I and Statement-II are correct and Statement-II is the correct explanation for Statement-I

B.

Both Statement-I and Statement-II are correct but Statement-II is not the correct explanation for Statement-I.

C.

Statement-I is correct but Statement-II is incorrect.

D.

Statement-I is incorrect but Statement-II is correct.

📘 Excretory System-II: Human Excretory System📚 Reabsorption

Q5

Consider the following statements: During Urine formation which of the following substances are selectively reabsorbed from the initial filtrate? 1. Glucose 2. Amino Acid 3. Salts 4. Water How many of the statement given above are correct?

🎯 Haryana PCS (Pre) 2023

A.

1, 2, 3 and 4

B.

3 and 4 only

C.

1, 2 and 3 only

D.

4 only

📘 Brain Diseases📚 Brain Diseases

Q6

Emetophobia is the fear of :

🎯 Haryana PCS (Pre) 2017

A.

Vomiting

B.

Spiders

C.

Heights

D.

Tunnels

📘 Digestive System- I📚 Misc

Q7

A patient suffering from stomach pain and indigestion was advised by the doctor to take probiotics. The probiotics help to:

🎯 Haryana PCS (PRE) 2021

A.

increase the effects of medication

B.

kill harmful bacteria in the stomach

C.

provide the beneficial bacteria for healthy digestion

D.

decrease the acid secretion and increase the enzymatic activity

📘 Viral Diseases📚 Misc

Q8

Which of the following test is approved by Indian Council of Medical Research & does not require sample from nose or throat?

🎯 Haryana PCS (PRE) 2021

A.

Reverse Transcription-Polymerase Chain Reaction Test

B.

Rapid Antibodies Test

C.

Rapid Antigen Test

D.

TruNat Test

📘 Botany- types of Hormones📚 Growth Promoter- Auxin, Gibberellin, Cytokinin

Q9

Consider the following statements: Which of the following plant hormones helps in promoting growth in plants? 1. Auxins 2. Gibberellins 3. Cytokinins 4. Abscisic Acid How many of the statements given above are correct?

🎯 Haryana PCS (Pre) 2023

A.

1, 2, 3 and 4

B.

1, 2 and 3 only

C.

1 and 2 only

D.

1 only

📘 Botany- Plant Classification- Phanerogams📚 Angiosperm- Dicot

Q10

Which of the following statements about the Parasite is/are TRUE? 1. Dodder is a plant parasite, which has special sucking roots called haustoria for absorption of food from the host plant. 2. Dodder is a vine-like parasitic plant and is essentially leafless. 3. Many species of Dodder cause weed problem in the horticulture industry. 4. Once the Dodder plant gets attached itself to the host plant it loses its root system.

🎯 Haryana PCS (Pre) 2023

A.

2 and 4 only

B.

3 and 4 only

C.

1, 3 and 4 only

D.

1, 2, 3 and 4

📘 Nervous System📚 Nervous System Overview

Q11

Touching a flame is an urgent and dangerous situation and we drag our hands involuntarily. This fast reaction is attributable to which of the following structure of the nervous system? 1. Spinal Cord 2. Motor Neuron 3. Brain 4. Sensory neuron

🎯 Haryana PCS (Pre) 2023

A.

1, 2, 3 and 4

B.

1 and 2 only

C.

1, 2 and 4 only

D.

2, 3 and 4 only

📘 Digestive System- IV: Small Intestine📚 General Facts

Q12

Consider the following statements: Statement-I: The length of the small intestine differs in various animals depending on the food they eat. Statement-II: Herbivores need a longer small intestine to allow the cellulose to be digested. How many of the statements given above are correct?

🎯 Haryana PCS (Pre) 2023

A.

Both Statements are correct.

B.

Statement I is correct but Statement II is incorrect.

C.

Statement I is incorrect but Statement II is correct.

D.

Both statements are incorrect.

📘 Diseases: Overview📚 Infectious Agents and Diseases

Q13

Mastitis in animals is due to—

🎯 Haryana PCS Pre 2014

A.

Virus and Worms

B.

Worms

C.

Bacteria and Virus

D.

Fungi and dry hand milking

📘 Hormone related Diseases📚 Diabetes Mellitus

Q14

Consider the following statement regarding diabetes: 1. It is caused by the over secretion of insulin by pancreas. 2. The glucose level increases in the blood. 3. The patient urinates frequently, loses weight and becomes lethargic. How many of the statements given above are correct?

🎯 Haryana PCS (Pre) 2023

A.

Only one statement is correct.

B.

Only two statements are correct.

C.

All three statements are correct.

D.

None of the statements is correct.

📘 Botany- Plant Classification- Phanerogams📚 Gymnosperm

Q15

Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belongs to:

🎯 Haryana PCS Pre 2014

A.

Angiosperms

B.

Gymnosperms

C.

Monocotyledons

D.

Dicotyledons

📘 Respiratory System- I (Breathing and Types of Respiration)📚 Anaerobic Respiration (in muscle cells)

Q16

Consider the following statements: Anaerobic breakdown of glucose in cell results in formation of which of the following compounds? 1. Ethanol 2. Lactic Acid 3. Carbon dioxide 4. ATP How many of the statement given above are correct?

🎯 Haryana PCS (Pre) 2023

A.

1, 2, 3 and 4

B.

1 and 2 only

C.

1, 2 and 3 only

D.

2 and 3 only

📘 Bacterial Diseases📚 Typhoid

Q17

Match the diseases listed in Column 'A' with their symptoms in Column 'B' and select the correct option. Column-A (i) Typhoid fever (ii) Cholera (iii) Tuberculosis (iv) Chicken pox Column-B A. Persistent cough, low grade fever and loss of weight B. High fever, stomach pain, skin rash C. Fever, loss of appetite, red spots or scabs D. Rice water stools, nausea, vomiting

🎯 Haryana PCS (PRE) 2021

A.

(i)-(A), (ii)-(B), (iii)-(C), (iv)-(D)

B.

(i)-(B), (ii)-(D), (iii)-(A), (iv)-(C)

C.

(i)-(C), (ii)-(A), (iii)-(B), (iv)-(D)

D.

(i)-(D), (ii)-(C), (iii)-(A), (iv)-(B)

📘 Excretory System-II: Human Excretory System📚 Reabsorption

Q18

Consider the following statements: During Urine formation which of the following substances are selectively reabsorbed from the initial filtrate? 1. Glucose 2. Amino Acid 3. Salts 4. Water How many of the statement given above are correct?

🎯 Haryana PCS (Pre) 2023

A.

1, 2, 3 and 4

B.

3 and 4 only

C.

1, 2 and 3 only

D.

4 only

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