DSSSB Nursing Officer Old Paper

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    DSSSB Nursing Officer Old Objective Paper for Students

    Quick Quiz

    Which organelle is known as the powerhouse of the cell?

    a) Golgi bodies

    b) Mitochondria

    c) Ribosomes

    d) Nucleus

    Option b – Mitochondria

    What is the average length of the adult human trachea?

    a) 6 to 8 cm

    b) 10 to 11 cm

    c) 14 to 15 cm

    d) 16 to 20 cm

    Option b – 10 to 11 cm

    Where does the coronary sinus drain?

    a) Inferior vena cava

    b) Right atrium

    c) Left atrium

    d) Great cardiac veins

    Option b – Right atrium

    What is the longest vein found in the human body?

    a) IVC

    b) Cephalic

    c) Basilic

    d) Long saphenous

    Option d – Long saphenous

    Which cells are responsible for color vision?

    a) Rod

    b) Cones

    c) Occipital cortex

    d) Bipolar cells

    Option b – Cones

    What type of receptors detect pain?

    a) Ruffini organs

    b) Meckel’s bodies

    c) Golgi bodies

    d) Free nerve endings

    Option d – Free nerve endings

    What is the term for the volume of blood pumped by the ventricles each minute?

    a) Stroke volume

    b) Cardiac output

    c) Cardiac cycle

    d) Heart rate

    Option b – Cardiac output

    Where is parathyroid hormone (PTH) produced?

    a) Thyroid gland

    b) Parathyroid gland

    c) Anterior lobe

    d) Testes

    Option b – Parathyroid gland

    Which hormone is responsible for increasing blood glucose levels?

    a) Glucose

    b) Oestrogen

    c) Insulin

    d) Testosterone

    Option a – Glucose

    What type of blood is carried by the pulmonary artery?

    a) Pure blood

    b) Impure blood

    c) Oxygenated blood

    d) Both A & C

    Option b – Impure blood

    In infants, the spinal cord typically extends to which vertebral level?

    a) Lower border of L1 vertebra

    b) Lower border of S1

    c) Upper border of S1

    d) Lower border of L3

    Option d – Lower border of L3

    The lower edge of the scapula aligns with which vertebra?

    a) T4

    b) T3

    c) T9

    d) T7

    Option d – T7

    In which organ is myocardium exclusively found?

    a) Brain

    b) Heart

    c) Stomach

    d) Lungs

    Option b – Heart

    What is the average life expectancy in India?

    a) 46 years

    b) 56 years

    c) 66 years

    d) 76 years

    Option c – 66 years

    Sera are used to provide which type of immunity?

    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 not consistent with the cell theory?

    a) Angiosperms

    b) WBCs

    c) Viruses

    d) Gymnosperms

    Option c – Viruses

    Which chemical feature is not shared among all living things?

    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 is credited with the discovery of the cell?

    a) Robert Brown

    b) Robert Hooke

    c) Leeuwenhoek

    d) Rudolf Virchow

    Option b – Robert Hooke

    What is the primary structural component of living cells?

    a) Oxygen

    b) Hydrogen

    c) Carbon

    d) Nitrogen

    Option c – Carbon

    Which substance constitutes over 80% of the cell’s composition?

    a) Protein

    b) Fat

    c) Mineral

    d) Water

    Option d – Water

    What is the scientific discipline focused on the study of cells?

    a) Taxonomy

    b) Physiology

    c) Histology

    d) Cytology

    Option d – Cytology

    Who is considered the father of cytology?

    a) Robert Hooke

    b) Nageli

    c) Matthias Schleiden

    d) Virchow

    Option a – Robert Hooke

    Who stated that every cell originates from a pre-existing cell?

    a) Virchow

    b) Leeuwenhoek

    c) Robert Hooke

    d) Schwann

    Option a – Virchow

    What is the primary role of the cell wall?

    a) Provides structural support

    b) Protects against pathogens

    c) Maintains plant cell shape

    d) All of the above

    Option d – All of the above

    Which is the innermost layer of a fully developed plant cell wall?

    a) Primary cell wall

    b) Plasma membrane

    c) Secondary cell wall

    d) Plasmodesmata

    Option c – Secondary cell wall

    Which of these features distinguishes a plant cell from an animal cell?

    a) Chloroplast

    b) Cell wall

    c) Cell membrane

    d) Nucleus

    Option b – Cell wall

    Which part of the cell wall is still alive?

    a) Middle lamella

    b) Pit pair

    c) Secondary cell wall

    d) Plasmodesmata

    Option d – Plasmodesmata

    What accurately describes the functions of the plant cell wall?

    a) Offers protection

    b) Facilitates interaction between cells

    c) Acts as a barrier to large unwanted molecules

    d) All of the above

    Option d – All of the above

    Which organelle lacks nucleic acids?

    a) Nucleolus

    b) Chloroplast

    c) Ribosome

    d) Plasma membrane

    Option d – Plasma membrane

    Which of the following are roles of the plasma membrane?

    a) Molecular transport

    b) Cell recognition

    c) Secretion of substances

    d) All of the above

    Option d – All of the above

    The ‘Fluid Mosaic Model’ by Singer and Nicholson refers to:

    a) Ribosomes

    b) Cytoplasm

    c) Cell wall

    d) Plasma membrane

    Option d – Plasma membrane

    The lipid portion of the cell membrane is made up of:

    a) Lipolipids

    b) Phosphoglycerides

    c) Hydrophobic lipids

    d) None of the above

    Option b – Phosphoglycerides

    How are lipids organized in the cell membrane?

    a) Polar heads inward, tails outward

    b) Heads and tails both facing outward

    c) Heads outward, tails inward

    d) Heads and tails both facing inward

    Option c – Heads outward, tails inward

    What is the name given to the living material inside a cell?

    a) Cytoplasm

    b) Cytoplasm and nucleoplasm

    c) Nucleoplasm

    d) Cytoplasm, nucleoplasm, and organelles

    Option d – Cytoplasm, nucleoplasm, and organelles

    In what form is fat stored within protoplasm?

    a) Polypeptides

    b) Triglycerides

    c) Polysaccharides

    d) Nucleosides

    Option b – Triglycerides

    What is absent in a protoplast?

    a) Cytoplasm

    b) Nucleus

    c) Mitochondria

    d) Cell wall

    Option d – Cell wall

    The fluid mosaic model explains:

    a) Only membrane structure

    b) Only membrane function

    c) Both structure and function of membranes

    d) Only membrane fluidity

    Option c – Both structure and function of membranes

    What does it mean when the cell membrane is described as selectively permeable?

    a) All substances pass through freely

    b) Only water is allowed through

    c) Selective substances are permitted

    d) Only ions are allowed to pass

    Option c – Selective substances are permitted

    What best describes integral proteins in a cell membrane?

    a) Partially or completely embedded in the membrane

    b) Slightly attached to the membrane surface

    c) Permanently fixed on the outer surface

    d) Loosely attached to the outer side

    Option a – Partially or completely embedded in the membrane

    What does the membrane’s fluid nature help explain?

    a) Growth and cell division

    b) Formation of junctions between cells

    c) Substance movement and secretion

    d) All of the above

    Option d – All of the above

    Which statement about the nucleus is accurate?

    a) First identified by Robert Brown

    b) Flamming referred to it as chromatin

    c) Contains the nucleolus in the nucleoplasm

    d) All of the above

    Option d – All of the above

    Which description about histone proteins is accurate?

    a) Found in mitochondria

    b) Found in the nucleus bound to DNA

    c) Linked with cytoplasmic lipids

    d) Bound to carbohydrates in the cytoplasm

    Option b – Found in the nucleus bound to DNA

    DNA in a cell is primarily located in the:

    a) Golgi body

    b) Cytoplasm

    c) Plasma membrane

    d) Nucleus

    Option d – Nucleus

    Who is credited with discovering the nucleolus?

    a) Fontana

    b) Schleiden

    c) Altmann

    d) Robert Brown

    Option a – Fontana

    What is the origin of the nucleolus in chromosomes?

    a) Nucleolar reorganizing region

    b) Nucleus forming region

    c) Nucleolar organizer region

    d) None of the above

    Option c – Nucleolar organizer region

    Under an electron microscope, what structure in chromosomes resembles “beads-on-a-string”?

    a) Nucleotides

    b) Nucleosomes

    c) Base pairs

    d) Genes

    Option b – Nucleosomes

    What dye stains nuclear material?

    a) Acidic dye

    b) Basic dye

    c) Neutral dye

    d) Iodine

    Option b – Basic dye

    Choose the correct statement about the nucleolus.

    a) Site of mRNA synthesis

    b) Cells active in protein synthesis have large, numerous nucleoli

    c) Contains nucleoplasm

    d) Enclosed by a membrane

    Option b – Cells active in protein synthesis have large, numerous nucleoli

    Where are the enzymes responsible for the Krebs cycle located in mitochondria?

    a) Matrix

    b) Cristae

    c) Inner membrane

    d) Outer membrane

    Option a – Matrix

    Which cell structure is often referred to as the cell’s “powerhouse”?

    a) Mitochondria

    b) Arteries

    c) Pituitary glands

    d) Lungs

    Option a – Mitochondria

    Mitochondria are capable of generating their own:

    a) Nucleus

    b) Proteins

    c) Chloroplasts

    d) Digestive enzymes

    Option b – Proteins

    Besides the nucleus, which organelle also contains DNA?

    a) Centriole

    b) Golgi apparatus

    c) Lysosomes

    d) Mitochondria

    Option d – Mitochondria

    Which of the following creatures possesses white-colored blood?

    a) Lizard

    b) Cockroach

    c) House bug

    d) Mosquito

    Option b – Cockroach

    Where is the hearing organ of a grasshopper located?

    a) Antenna

    b) Legs

    c) Stomach

    d) Wings

    Option c – Stomach

    Which animal has the highest brain-to-body size ratio?

    a) Ant

    b) Elephant

    c) Dolphin

    d) Human being

    Option a – Ant

    Animals with segmented, jointed limbs are grouped under which phylum? ( DSSSB Nursing Officer Old Paper QnA )

    a) Arthropoda

    b) Annelida

    c) Nemathelminthes

    d) Platyhelminthes

    Option a – Arthropoda

    Honey bees and wasps belong to which class of organisms?

    a) Insecta

    b) Crustacea

    c) Diplopoda

    d) Arachnida

    Option a – Insecta

    How do most insects perform respiration?

    a) Through skin

    b) Using gills

    c) Via lungs

    d) Through spiracles

    Option d – Through spiracles

    Crabs are categorized under which phylum?

    a) Mollusca

    b) Cnidaria

    c) Arthropoda

    d) Platyhelminthes

    Option c – Arthropoda

    Which one is not considered an insect? ( DSSSB Nursing Officer Old Paper QnA )

    a) Bed bug

    b) Spider

    c) Housefly

    d) Mosquito

    Option b – Spider

    What is the larval form of a housefly called?

    a) Pupa

    b) Imago

    c) Maggot

    d) None of these

    Option c – Maggot

    What is the third stage in butterfly metamorphosis?

    a) Egg

    b) Pupa

    c) Adult

    d) Larva

    Option b – Pupa

    In which organism does the female kill the male after mating? ( DSSSB Nursing Officer Old Paper QnA )

    a) Dragonfly

    b) Honey bee

    c) Spider

    d) Pit Viper

    Option c – Spider

    Which group consists entirely of arthropods?

    a) Prawn, Schistosoma, Planaria

    b) Cockroach, Scorpion, Prawn

    c) Chiton, Neopilina, Scorpion

    d) Chiton, Prawn, Cockroach

    Option b – Cockroach, Scorpion, Prawn

    Which of the following is not a respiratory organ in Arthropoda?

    a) Tracheal system

    b) Gills

    c) Water vascular system

    d) Book lungs

    Option c – Water vascular system

    Which animal is often labeled a “living fossil”?

    a) King locust

    b) Limulus

    c) Bombyx

    d) Balanoglossus

    Option b – Limulus

    Which statement is incorrect regarding the Arthropoda phylum? ( DSSSB Nursing Officer Old Paper QnA )

    a) They have an open circulatory system

    b) They exhibit bilateral symmetry and are coelomates

    c) They are diploblastic with a distinct head, thorax, and abdomen

    d) They have antennae and Malpighian tubules

    Option c – They are diploblastic with a distinct head, thorax, and abdomen

    Which phylum exhibits bilateral symmetry, segmentation, a true coelom, and open circulation?

    a) Annelida

    b) Arthropoda

    c) Mollusca

    d) Echinodermata

    Option b – Arthropoda

    Which one of the following is not a vertebrate?

    a) Mammal

    b) Fish

    c) Snail

    d) Bird

    Option c – Snail

    To which phylum do snails belong? ( DSSSB Nursing Officer Old Paper QnA )

    a) Echinodermata

    b) Mollusca

    c) Arthropoda

    d) Chordata

    Option b – Mollusca

    Which phylum holds the second highest number of species in the animal kingdom?

    a) Annelida

    b) Arthropoda

    c) Mollusca

    d) Chordata

    Option c – Mollusca

    Which statement accurately describes Mollusca?

    a) Presence of segmented body parts

    b) Contains a coelom and mantle cavity

    c) Displays tissue-level organization

    d) Covered with a chitinous outer layer

    Option b – Contains a coelom and mantle cavity

    The body of mollusks is typically divided into:

    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

    What is the scientific name for the elephant tusk shell?

    a) Dentalium

    b) Chaetoderma

    c) Chiton

    d) Neoplina

    Option a – Dentalium

    What is a defining characteristic of echinoderms?

    a) Radial symmetry

    b) Water vascular system

    c) Mantle cavity

    d) All of the above

    Option b – Water vascular system

    Which of the following statements is inaccurate? ( DSSSB Nursing Officer Old Paper QnA )

    a) All echinoderms give birth to live young

    b) Roundworms lack a circulatory system

    c) Bony fishes typically have a swim bladder

    d) Internal fertilization occurs in cartilaginous fish

    Option a – All echinoderms give birth to live young

    Which set of animals belongs to Phylum Echinodermata?

    a) Sea urchin, cuttlefish, sea lily

    b) Echinus, sea hare, sea cucumber

    c) Antedon, Ophiura, Echinus

    d) Ophiura, Chaetopleura, Echinus

    Option c – Antedon, Ophiura, Echinus

    What type of excretory organs do echinoderms possess?

    a) Nephridia

    b) Green glands

    c) Flame cells

    d) None of these

    Option d – None of these

    Which phylum lacks species that live in freshwater environments? ( DSSSB Nursing Officer Old Paper QnA )

    a) Echinodermata

    b) Mollusca

    c) Chordata

    d) Porifera

    Option a – Echinodermata

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