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DSSSB Nursing Officer Old Objective Paper for Students
The powerhouse of the cell is:
a) Golgi bodies
b) Mitochondria
c) Ribosomes
d) Nucleus
Option b – Mitochondria
The length of the Adult Trachea is
a) 6 to 8 cm
b) 10 to 11cm
c) 14 to 15 cm
d) 16 to 20cm
Option b – 10 to 11cm
The coronary sinus opens into
a) Inferior vena cava
b) Right atrium
c) Left atrium
d) Great cardiac veins
Option b – Right atrium
The longest vein in the human body is
a) IVC
b) Cephalic
c) Basilic
d) Long saphenous
Option d – Long saphenous
Color vision is by
a) Rod
b) Cones
c) Occipital cortex
d) Bipolar cells
Option b – Cones
The receptors of pain are
a) Ruffini organs
b) Meckel’s bodies
c) Golgi bodies
d) Free nerve endings
Option d – Free nerve endings
The amount of blood expelled by contraction of ventricles per minute is called……
a) Stroke volume
b) Cardiac output
c) Cardiac cycle
d) Heart rate
Option b – Cardiac output
PTH is synthesized by ……..
a) Thyroid gland
b) Parathyroid gland
c) Anterior lobe
d) Testes in male
Option b – Parathyroid gland
The hormone which increases blood glucose level……
a) Glucose
b) Oestrogen
c) Insulin
d) Testosterone
Option a – Glucose
The pulmonary artery carries ……….
a) Pureblood
b) Impure blood
c) Oxygenated blood
d) Both A & C
Option b – Impure blood
The spinal cord in infants extends up to the level of
a) the lower border of L1 vertebrae
b) the lower border of $1
c) the upper border of Sl
d) the lower border of L3
Option d – the lower border of L3
The lower border of the scapula is at the level of
a) T4
b) T3
c) T9
d) T7
Option d – T7
Myocardium is a special muscle tissue found only in the.
a) Brain
b) Heart
c) Stomach
d) Lungs
Option b – Heart
The average lifespan of an Indian is
a) 46 Years
b) 56 Years
c) 66 Years
d) 76 Years
Option c – 66 Years
Sera is used to provide.
a) Artificial passive immunity
b) Natural passive immunity
c) Natural passive immunity
d) None of the above
Option a – Artificial passive immunity
Which of the following is an exception to the cell theory?
(a) Angiosperms
(b) WBCs
(c) Viruses
(d) Gymnosperms
Option c – Viruses
Which chemical characteristic is not common in all living organisms?
(a) Type of protein present in the body.
(b) Similar triplet code for amino acids.
(c) Energy is stored in high phosphate bonds.
(d) Ribosomes are the site of protein synthesis.
Option a – Type of protein present in the body
Who discovered the cell?
(a) Robert Brown
(b) Robert Hooke
(c) Leeuwenhoek
(d) Rudolf Virchow
Option b – Robert Hooke
Which one of the following is the principal structural element of a living cell?
(a) Oxygen
(b) Hydrogen
(c) Carbon
(d) Nitrogen
Option c – Carbon
A substance which is more than 80% in the cell is
(a) protein
(b) fat
(c) mineral
(d) water
Option d – water
The scientific study of a cell is called
(a) taxonomy
(b) physiology
(c) histology
(d) cytology
Option d – cytology
The father of cytology is
(a) Robert Hooke
(b) Nageli
(c) Matthias Schleiden
(d) Virchow
Option a – Robert Hooke
Who among the following concluded that ‘every’ cell comes from a pre-existing cell?
(a) Virchow
(b) Leeuwenhoek
(c) Robert Hooke
(d) Schwann
Option a – Virchow
Cell wall
(a) provides mechanical support.
(b) acts as a barrier to pathogens.
(c) maintains the shape of the plant.
(d) All of the above
Option d – All of the above
The innermost portion of a mature plant cell wall is the
(a) primary cell wall
(b) plasma membrane
(c) secondary cell wall
(d) plasmodesmata
Option c – secondary cell wall
A plant cell differs from an animal cell in having
(a) chloroplast
(b) cell wall
(c) cell membrane
(d) nucleus
Option b – cell wall
The only living component of a cell wall is
(a) middle lamellae
(b) pit pair
(c) secondary cell wall
(d) plasmodesmata
Option d – plasmodesmata
Which of the following characteristics is correct about the cell wall of plant cells?
(a) Plays a role in protection.
(b) Helps in cell-to-cell interaction.
(c) Provides a barrier to undesirable macromolecules.
(d) All of the above
Option d – All of the above
Which one of the following cell organelles does not possess nucleic acid?
(a) Nucleolus
(b) Chloroplast
(c) Ribosome
(d) Plasma membrane
Option d – Plasma membrane
The important functions of the plasma membrane include
(a) transport of the molecules
(b) cell recognition
(c) secretion
(d) All of the above
Option d – All of the above
‘Fluid Mosaic Model’ proposed by Singer and Nicholson is mainly concerned with
(a) ribosomes
(b) cytoplasm
(c) cell wall
(d) plasma membrane
Option d – plasma membrane
The lipid component of the cell membrane consists of
(a) lipolipids
(b) phosphoglycerides
(c) hydrophobic lipids
(d) None of the above
Option b – phosphoglycerides
Lipids are arranged within the membrane with
(a) polar heads towards the inner side and hydrophobic tails towards the outer side.
(b) both heads and tails towards the outer side.
(c) heads towards the outer side and tails towards the inner side.
(d) Both heads and tails towards the inner side.
Option c – heads towards the outer side and tails towards the inner side
The living content of the cell is called protoplasm. It is composed of
(a) Cytoplasm only
(b) Cytoplasm and nucleoplasm
(c) Nucleoplasm only
(d) Cytoplasm, nucleoplasm and other organelles
Option d – Cytoplasm, nucleoplasm and other organelles
In the Protoplasm, fat stored in the form of
(a) polypeptide
(b) triglyceride
(c) polysaccharide
(d) nucleoside
Option b – triglyceride
Protoplast lacks
(a) Cytoplasm
(b) Nucleus
(c) Mitochondria
(d) Cell wall
Option d – Cell wall
The fluid mosaic model explains
(a) only structural aspects of the cell membrane.
(b) only functional aspects of the cell membrane.
(c) both structural and functional aspects of the cell membrane.
(d) only fluidity of the membrane.
Option c – both structural and functional aspects of the cell membrane
Cell membrane is selectively permeable. This means that it
(a) allows all materials to pass through.
(b) allows only water to pass through.
(c) allows only certain materials to pass through.
(d) allows only ions to pass through.
Option c – allows only certain materials to pass through
In a cell membrane, integral proteins are
(a) partially or totally buried in the membrane.
(b) partially attached to the surface of the membrane.
(c) permanently attached to the outer surface of the membrane.
(d) temporarily attached to the surface of the membrane.
Option a – partially or totally buried in the membrane
The fluid nature of the membrane is able to explain
(a) cell growth and cell division.
(b) formation of intercellular junctions.
(c) secretion and permeation of various substances across the membrane.
(d) All of the above
Option d – All of the above
Which of the following statement(s) is/are true for the nucleus?
(a) First described by Robert Brown.
(b) It was called chromatin by Flamming
(c) Nucleoli is a spherical body present in the nucleoplasm.
(d) All of the above
Option d – All of the above
Which one of the following statements regarding Histone proteins is correct?
(a) Histones are proteins that are present in the mitochondrial membrane.
(b) Histones are proteins that are present in the nucleus in association with DNA.
(c) Histones are proteins associated with lipids in the cytosol.
(d) Histones are proteins associated with carbohydrates in the cytosol.
Option b – Histones are proteins that are present in the nucleus in association with DNA
DNA is stored majorly in ……… of the cell.
(a) Golgi body
(b) cytoplasm
(c) plasma membrane
(d) nucleus
Option d – nucleus
The nucleolus was discovered by
(a) Fontana
(b) Schleiden
(c) Altmann
(d) Robert Brown
Option a – Fontana
The nucleolus is formed from specific sites on chromosomes known as …….
(a) nucleolar reorganizing region
(b) nucleus forming region
(c) nucleolar organiser region
(d) None of the above
Option c – nucleolar organiser region
What are those structures that appear as ‘beads-on-string’ in the chromosomes when viewed under an electron microscope?
(a) Nucleotides
(b) Nucleosomes
(c) Base pairs
(d) Genes
Option b – Nucleosomes
The material of the nucleus is stained by
(a) acidic dye
(b) basic dye
(c) neutral dye
(d) iodine
Option b – basic dye
Select the correct statement for nucleolus.
(a) It is a site for mRNA synthesis
(b) Large and more numerous nucleoli are present in cells actively carrying out protein synthesis
(c) Nucleolus contains nucleoplasm
(d) Nucleolus is a single membrane-bound structure
Option b – Large and more numerous nucleoli are present in cells actively carrying out protein synthesis
The enzymes of Krebs’ cycle are present in the mitochondrial
(a) matrix
(b) cristae
(c) inner membrane
(d) outer membrane
Option a – matrix
………. are called the ‘Powerhouses’ of the cell.
(a) Mitochondria
(b) Arteries
(c) Pituitary glands
(d) Lungs
Option a – Mitochondria
Mitochondria are able to produce their own
(a) nucleus
(b) proteins
(c) chloroplasts
(d) digestive enzymes
Option b – proteins
Which organelles in the cell, other than the nucleus contain DNA?
(a) Centriole
(b) Golgi apparatus
(c) Lysosomes
(d) Mitochondria
Option d – Mitochondria
Which of the following organisms has white blood?
(a) Lizard
(b) Cockroach
(c) House bug
(d) Mosquito
Option b – Cockroach
The grasshopper’s ears are located at its…
(a) Antenna
(b) Legs
(c) Stomach
(d) Wings
Option c – Stomach
Which of the following has the largest brain in proportion to its body size?
(a) Ant
(b) Elephant
(c) Dolphin
(d) Human Being
Option a – Ant
Animals with jointed appendages belong to Phylum…
(a) Arthropoda
(b) Annelida
(c) Nemathelminthes
(d) Platyhelminthes
Option a – Arthropoda
Honey bees and wasps are grouped under the class…
(a) Insecta
(b) Crustacea
(c) Diplopoda
(d) Arachmida
Option a – Insecta
Generally, insects respire through…
(a) Skin
(b) Gill
(c) Lung
(d) Spiracle
Option d – Spiracle
Crabs belong to the Phylum…
(a) Mollusca
(b) Cnidaria
(c) Arthropoda
(d) Platyhelminthes
Option c – Arthropoda
Which of the following is not an insect?
(a) Bed bug
(b) Spider
(c) Housefly
(d) Mosquito
Option b – Spider
Larva of a housefly is called: ( dsssb nursing officer old paper )
(a) Pupa
(b) Imago
(c) Maggot
(d) None of these
Option c – Maggot
Which of the following is the third stage in the metamorphosis of a butterfly?
(a) Egg
(b) Pupa
(c) Adult
(d) Larva
Option b – Pupa
In which one of the following kinds of organisms is the phenomenon found where the female kills the male after copulation?
(a) Dragonfly
(b) Honey bee
(c) Spider
(d) Pit Viper
Option c – Spider
Which of the following groups includes only arthropods?
(a) Prawn, Schistosoma, and planaria
(b) Cockroach, scorpion, and prawn
(c) Chiton, Neopilina, and scorpion
(d) Chiton, prawn, and cockroach
Option b – Cockroach, scorpion, and prawn
Choose the respiratory organs that are not present in Phylum Arthropoda.
(a) Tracheal system
(b) Gills
(c) Water vascular system
(d) Book lungs
Option c – Water vascular system
Which one of the following animals is called a living fossil?
(a) King locust
(b) Limulus
(c) Bombyx
(d) Balanoglossus
Option b – Limulus
Mark what is incorrect regarding the Phylum Arthropoda.
(a) Open type of circulatory system
(b) Bilaterally symmetrical coelomate animals
(c) Diploblastic with head, thorax, and abdomen
(d) The presence of Malpighian tubules and antennae
Option c – Diploblastic with head, thorax, and abdomen
Bilateral symmetry, metameric segmentation, true coelom, and open circulatory system are the features of:
(a) Annelida
(b) Arthropoda
(c) Mollusca
(d) Echinodermata
Option b – Arthropoda
Which of the following is not vertebrate? ( dsssb nursing officer old paper )
(a) Mammal
(b) Fish
(c) Snail
(d) Bird
Option c – Snail
Snails belong to Phylum:
(a) Echinodermata
(b) Mollusca
(c) Arthropoda
(d) Chordata
Option b – Mollusca
The second-largest number of species-containing phylum in the animal kingdom is:
(a) Annelida
(b) Arthropoda
(c) Mollusca
(d) Chordata
Option c – Mollusca
What is true about Mollusca?
(a) The presence of metameric segmentation.
(b) The presence of mantle cavity and coelom cavity.
(c) The presence of tissue level of organization.
(d) The presence of chitinous exoskeleton.
Option b – The presence of mantle cavity and coelom cavity
The animal’s body belonging to Phylum-Mollusca is divided into: ( dsssb nursing officer old paper )
(a) Head, thorax, and abdomen
(b) Head, muscular foot, and abdomen
(c) Head, thorax, and visceral hump
(d) Head, muscular foot, and visceral hump
Option d – Head, muscular foot, and visceral hump
The generic name of tusk shell or elephant tusk shell is:
(a) Dentalium
(b) Chaetoderma
(c) Chiton
(d) Neoplina
Option a – Dentalium
The characteristic feature of Phylum Echinodermata is:
(a) Radial symmetry
(b) Water vascular system
(c) Mantle cavity
(d) All of the above
Option b – Water vascular system
Which one of the following statements is not correct?
(a) All echinoderms are viviparous.
(b) Roundworm has no circulatory system.
(c) In bony fishes, a swim bladder is usually present.
(d) In cartilaginous fishes, fertilization is internal.
Option a – All echinoderms are viviparous
Choose the animals that belong to Phylum-Echinodermata from the options.
(a) Sea urchin, cuttlefish, and sea lily.
(b) Echinus, sea hare, and sea cucumber
(c) Antedon, Ophiura, and Echinus
(d) Ophiura, Chaetopleura, and Echinus
Option c – Antedon, Ophiura, and Echinus
Excretory organs in echinoderms are: ( dsssb nursing officer old paper )
(a) Nephridia
(b) Green glands
(c) Flame cells
(d) None of these
Option d – None of these
Which of the following phyla has no freshwater forms?
(a) Echinodermata
(b) Mollusca
(c) Chordata
(d) Porifera
Option a – Echinodermata
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