hpsc.gov.in HCS Preliminary Examination Zoology Question Paper : Haryana Public Service Commission

Name of the Organization : Haryana Public Service Commission
Name of the Exam : HCS Preliminary Examination
Subject : Zoology
Document Type : Previous Question Paper
Year : 2014

Website : http://hpsc.gov.in/en-us/
Download Sample/Model Question Paper : https://www.pdfquestion.in/uploads/11271-Zoology.pdf

HCS Preliminary Examination Zoology Question Paper :

Code : 19
Time Allowed : Two Hours
Marks: 100
Read instructions given below before opening this booklet :
** Use only BLUE Ball Point Pen.
** In case of any defect – Misprint, Missing Question/s Get the booklet changed.
** No complaint shall be entertained after the examination.

Related : HPSC HCS Preliminary Examination Sociology Question Paper : www.pdfquestion.in/11268.html

** Before you mark the answer, read the instruction on the OMR Sheet (Answer Sheet) also before attempting the questions and fill the particulars in the ANSWER SHEET carefully and correctly.

** There will be no Negative Marking.
** Answer Sheets will be collected after the completion of examination and no candidate shall be allowed to leave the examination hall earlier.

** The candidates are to ensure that the Answer Sheet is handed over to the room invigilator only.
** Rough work, if any, can be done on space provided at the end of the Question Booklet itself. No extra sheet will be provided in any circumstances.

** Write the BOOKLET SERIES in the space provided in the answer sheet, by darkening the corresponding circles.
** Regarding incorrect questions or answers etc. Candidates kindly see NOTE at the last page of the Booklet.

1 Experiments with sea urchin demonstrated species specific sperm-egg recognition through the protein
(A) Bindin
(B) Avidin
(C) Activin
(D) HYalin

2 The primary function of the diaphragm is to
(A) Control blood pressure
(B) Regulate respiration
(C) Support the heart
(D) Keep the rib cage dilated

3 In mammals, the main integrating centre for control of temperature is
(A) Anterior pituitary
(B) Adrenal cortex
(C) Posterior pituitary
(D) Hypothalamus

4 During inspiration, the air that we breathe moves through different regions of the associated organs in the sequence of
(A) larynx- nasopharynx- trachea-glottis
(B) nasopharynx – glottis – larynx-trachea
(C) glottis – nasopharynx- Iarynx- trachea
(D) larynx- glottis – nasopharynx – trachea

5 Which of the following bird species is endangered?
(A) Hill myna
(B) Great Indian Bustard
(C) Crow pheasant
(D) Grey Hornbill

6 When removal of a species from an ecosystem affects persistence of many other species and the impact of that species removal is disproportionate to its abundance, the species is known as
(A) Indicator species
(B) Keystone species
(C) Flagship species
(D) Umbrella species

7 Which of the following methods is the most appropriate for estimating the population density of burrowing animals?
(A) Quadrant sampling
(B) Line transect sampling
(C) Tag-recapture method
(D) Nearest neighbour distance method

8 Fat formation from glucose takes place in order to
(A) Relieve liver from excess of glycogen
(B) Remove excess of fatty acids from circulation
(C) Keep blood sugar level constant
(D) Allof these

9 End product of protein catabolism is
(A) Urea
(B) Uric Acid
(C) Glutamine
(D) Ammonia

l0 The post ovulatory regression of the corpus luteum is caused by
(A) a decrease in LH secretion
(B) a decrease in FSH secretion
(C) reduction in the steroidogenic activity of the corpus luteum
(D) an increase in HCG secretion

11. When parathyroid gland is surgically removed from a mammal, the blood level of
(A) calcium and phosphorus increase
(B) calcium and phosphorus decrease
(C) calcium increases while that of phosphorus decreases
(D) calcium decreases while that of phosphorus increases

12 The hydrologic cycle involves
(A) Movement of water from atmosphere to the oceans
(B) human activities affected by water
(C) Movement of water from oceans by evaporation to the atmosphere
(D) Energy obtained from water

l3 Active transport is mediated by
(A) Channel protein
(B) Carrier protein
(C) Both depending on the concentration of the ion
(D) Both depending on the size of the ion

14 Which one of the following is the smallest protein known?
(A) Insulin
(B) Haemoglobin
(C) Immunoglobin
(D) Albumin

l5 The order of correct sedimentation is
(A) Nucleus – Mitochondria – Lysosomes – Ribosomes
(B) Lysosomes – Ribosomes – Mitochondria – Nucleus
(C) Nucleus – Golgi – Lysosomes – Mitochondria
(D) Lysosomes – Mitochondria – Nucleus – Ribosomes

l6 Golgi complex forms an extensive inter-communicating membrane system. This system is called
(A) Exomembrane system
(B) Communicating system
(C) Endomembrane system
(D) Dictyosome

l7 Which of the following process involves the reversal of specialized cells back to embryonic activity?
(A) Embryogenesis
(B) Differentiation
(C) De-Differentiation
(D) Trans differentiation

l8 A cell membrane is selectively permeable. This means
(A) Is highly folded
(B) Allows all materials to pass through
(C) Allows only biologic molecules to pass through
(D) Allows only certain materials to pass through

l9 Apoptosis is
(A) Necrotic death of a cell
(B) Programmed death of a cell
(C) Shrinking of apoplast and aging process
(D) A process of shedding leaves

20 In mitochondria, cristae act as sites of
(A) Breakdown of macromoleucles
(B) Phosphorylation of flavoproteins
(C) Protein synthesis
(D) Oxidation-reduction reactions