LECTURER ZOOLOGY PAPER (20-12-2020) MCQs | PPSC Past Papers MCQs

PPSC Past Papers MCQs – Punjab Public Service Commission Past Paper MCQs – PPSC MCQs – Punjab Public Service Commission MCQs –

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The Punjab Public Service Commission (PPSC) is a government agency responsible for hiring and administering the provincial civil services and management services in the Punjab Province of Pakistan.

The Punjab Public Service Commission, established in April 1937, is the oldest Provincial Public Service Commission of Pakistan. It was established under the Punjab Public Service Commission Ordinance, 1978 and presently  It is functioning in accordance with the ambit of Punjab Public Service Commission Ordinance, 1978 and Punjab Public Service Commission (Functions) Rules, 1979.

To conduct tests, examinations and interviews for recruitment to:-

Such Provincial Services and posts connected with the affairs of the Province, as may be prescribed; and

Such posts in or under a Corporation or other body or organization set up by Government under any law, as may be prescribed;

To advise the Government on such matters as may be prescribed relating to the terms and conditions of service of persons who are members of a Provincial Service or hold posts in connection with the affairs of the Province.

Such other functions as may be prescribed.

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LECTURER ZOOLOGY PAPER (20-12-2020) MCQs

Which of following is mollusc

  1. Bird
  2. Sea star
  3. Cattle fish
  4. None

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To preserve nature and valid life there are several areas generally declares as

  1. National park
  2. Game reserve
  3. Both
  4. None

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Biological active hormonal form of vitamin D is

  1. Calciferol
  2. Aclciferol
  3. Both
  4. None

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Madre Portis is present in

  1. Sea star
  2. Shark
  3. Jellyfish
  4. None

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The inner surface of echinoderm has a positive affinity for

  1. Nerve cells
  2. Mesodermal Cells
  3. Epidermal cells
  4. None

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An amniotic egg is present in

  1. Cockroach
  2. Snake
  3. Bird
  4. None

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___ agents that cause uncontrolled growth of cells

  1. Carcinogen
  2. Carcgen
  3. Both
  4. None

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Galapagos finches are good example of

  1. Adoptive radiation
  2. Radiation
  3. Both
  4. None

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Fleas are feeders of

  1. Blood
  2. Harmon
  3. Nerves
  4. None

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Growth hormone secreted by pituitary gland regulates the function of

  1. Most of Somatic Cells
  2. Nerve cells
  3. Both
  4. None

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In marsupials gestation period varies between

  1. 8-40 days
  2. 20-40 days
  3. 30-40 days
  4. None

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The major sister phyla of arthropod is

  1. Annelida
  2. worms
  3. Philadelphia
  4. None

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Corticortronphin releasing harmons stimulates synthesis secretion of__ Harmon from pituitary gland

  1. ACTH
  2. ACHT
  3. Both
  4. None

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__ produce urea

  1. Bird
  2. Animal
  3. mammal
  4. None

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What is the main substance reabsorbed in the reign of the decending limb of the loop of Henle?

  1. Water
  2. Air
  3. Both
  4. None

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He said “Do i have to do it.”

  1. He asked that he had to do it
  2. He asked that he has to do it
  3. He asked if he had to do it
  4. None

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TRH follows ___ type of cell to cell signalling.

  1. Paracrine
  2. Autocrine
  3. Intracrine
  4. Neurocrine

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The sensitivity of the avian ear is ___?

  1. 100-15000 hz
  2. 1000-15000hz
  3. 500-20000hz
  4. 100-10000hz

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___ is first step in many DNA based technologies.

  1. Isolation
  2. Denaturation
  3. Annealing
  4. Elongation

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sickle cell disease in human body due to

  1. Silent mutation
  2. Missense mutation
  3. Denovo mutation
  4. Frame shift mutation

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Cytokine follows ___ type of cell signaling

  1. Paracrine
  2. Autocrine
  3. Intracrine
  4. None

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The continuiting and intimate association between two different species

  1. carnivorous
  2. Herbivorous
  3. Autotrops
  4. symbiosis

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The Whatson- Crack Model suggested that DNA replication is___?

  1. Conservative
  2. Duplicated
  3. Sami-Conservative
  4. None

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Transcription starts at start codon__ that codes for methlonine

  1. UGA
  2. AUG
  3. UAG
  4. None

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The syntheses of an RNA molecule from DNA is called ___.

  1. Transition
  2. Andora
  3. Transcription
  4. None

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Rats and mice have estrous cycle that repeat every ___.

  1. 4-6 hours
  2. 4-6 days
  3. 4-5 weeks
  4. 4-7 days

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In arthropods hear is present on

  1. Dorsal side
  2. Ventral side
  3. Both
  4. None

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Linking of ca+2 with calmodulin activates___ in the contraction cycle of smooth muscles

  1. MLC phosphorylase
  2. MLC kinase
  3. MHC kinase
  4. None

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________ of the codon is the redundancy of the genetic code, exhibited as the multiplicity of three base pair codon combinations that specified an amino acid

  1. Universality
  2. Specificity
  3. Degeneracy
  4. None

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___ number of molecules of co2 are produced by an acetyl group of acetyl _ Co _ A in acid

  1. 2
  2. 4
  3. 5
  4. 3citric acid

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Humans are classified in order:

  1. Primata
  2. Chiroptera
  3. Proboscidea
  4. None

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The ___ coefficient is the probability that two alleles in an individual are identically decedents from a common ancestor

  1. Population
  2. Inbreeding
  3. Probability
  4. None

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RNA polymerase I transcribe ___ in nucleolus

  1. rRNA
  2. tRNA
  3. mRNA
  4. None

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Electric eel can deliver an electric shock in excess of___.

  1. 50 volts
  2. 220 volts
  3. 500 volts
  4. 600 volts

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Which nitrogenous waste product is the most toxic and is produced only in insects that

  1. Urea
  2. Ammonia
  3. Uric acid
  4. None

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Promoters may activate oncogenes by inhibating the action of :

  1. Malignant
  2. Initiators
  3. Suppressor genes
  4. None

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Large scale study of proteins is ___

  1. Metabolomics
  2. Proteomics
  3. DNA studies
  4. None

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What should come in the place of question mark (?) that satisfies the following: 7/49=9/?

  1. 24
  2. 18
  3. 36
  4. 21

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Plant species having a wide range of genetical distribution evolve into a local population.

  1. Biome
  2. Ecosystem
  3. Population
  4. Ecotype

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Human possess___ kidney?

  1. Mesonephros
  2. Metanophros
  3. Both
  4. None

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Continental drift theory proposed that all continent were a single super continent in a in past called as

  1. Laurasia
  2. Madagascar
  3. Pangaea
  4. None

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Silver fishes occasionally demage____?

  1. Wood
  2. Book binding
  3. Rice
  4. None

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Amphibians without tall belong to order___.

  1. Gymnophiona
  2. Cautada
  3. Squamata
  4. Anura

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Many of the animals when often different ancestors colonized similar habitats ,acquire similar adoption are resemble with one another superficially is called as___

  1. Parallel evolution
  2. Tempo evolution
  3. Divergent evolution
  4. Convergent evolution

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The Myelin sheath is derived from the ___.

  1. Microgia
  2. Neurological cells
  3. Schwinn
  4. Nerve cells

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The uterine tube terminate in a hollow muscular organ in front of rectum and behind the unary balder.

  1. Uterus
  2. vagina
  3. cervix
  4. None

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What is the main substance reabsorbed in the reign of descending limbs of the loop of Helen?

  1. Sodium
  2. Potassium
  3. Ammonia
  4. Water

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Studies that involve the single or ex posers of very short duration are:

  1. Acute
  2. Sub- chronic
  3. Chronic
  4. Observation period

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Out of following, which is the peacemaker of heart?

  1. A.V nod
  2. Purkinje fibr
  3. S-A node
  4. None

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The___ fishes have well developed stomach and the intestine in shorter than that of herbivorous comparable scites.

  1. Grazing
  2. Stomach
  3. Predatory
  4. Strainer

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Vertebrate photo receptors__ in response to stimulus

  1. Depolarization
  2. Hyper polarization
  3. Both
  4. None

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Change the narration: The father said “If you do not work ,usman ,you will fail.”

  1. The father told usman that he did not work ,he would fail
  2. The father told usman that he had not work ,he would fail
  3. The father told usman that he did not work ,he had fail
  4. None

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In the membranous skeleton __ sheath surrounds the central nervous system

  1. Perineural
  2. Perineurium
  3. Perinounm
  4. Perichondrium

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arms are absent in class

  1. Echinoidea
  2. Crinoidea
  3. Crinoidea
  4. None

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Calmodulin, a cytosalic had __ binding sites for calcium.

  1. 4
  2. 3
  3. 2
  4. 5

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Any adulterated elements leak into the ground filtration and are carried into the ground water reservoir is known as

  1. Air pollution
  2. Water pollution
  3. Both
  4. None

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Carnivore animal is a

  1. Bafflo
  2. Cow
  3. Lion
  4. None

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DNA is synthesized by enzyme known as

  1. DNA polymerase
  2. Polymerase
  3. Both
  4. None

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Stem cells can be devided through

  1. Meossis
  2. Mitosis
  3. Both
  4. None

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I spend 24 hours to clean my garden ,how long it will take if four people come join to me

  1. 4 hours
  2. 5 hours
  3. 2 hours
  4. None

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Isotopes are atoms with different atomic masses but differs in

  1. Number of Neutrons
  2. Number of Protons
  3. Number of Electrons
  4. None

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The motion caused by earth quick travels outward from the focus ij the form of

  1. Seismic waves
  2. Ultrasonic waves
  3. Both
  4. None

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Before independence, East Timor was the part of?

  1. Indonesia
  2. Malysia
  3. India
  4. China

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What kind of areas is known as arid area

  1. Areas deficient in rainfall
  2. Areas efficient in rainfall
  3. Both
  4. None

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The speed of line printers was measured in

  1. Character per minute
  2. Line per minute
  3. Both
  4. None

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Hazrat Ayub was famous for his

  1. Patient
  2. Beauty
  3. Tolerence
  4. None

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The historic character and built herritage of Bo-Kaap is located in

  1. Egypt
  2. UK
  3. USA
  4. South africa

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Hayat e Javeed is biography of

  1. Altaf Hussain Halli
  2. Allama Iqbal
  3. Sir syed Ahmad
  4. Rehmat Ali

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MacConkey agar is widely used for the selection of __?

  1. Gram-ve strains
  2. Staphylococcus
  3. Salmonella and shigella
  4. None

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___ in asthenosphere is the major factor behind the movement of tectonic plates

  1. Thickness of crust
  2. Heat conduction
  3. Heat convection
  4. None

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Which of the following organizations did Pakistan join in 1969

  1. NAM
  2. SAARC
  3. OIC
  4. None

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___ the largest single cause of loss of biodiversity

  1. Habitat destruction
  2. Hunting
  3. Pollution
  4. Disease

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___ helps in shape of in maintaining the shape of eye

  1. Vitreous humor
  2. Neuralgia
  3. Aqueous homer
  4. None

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___ occurs in eukaryotes but not in prokaryotes

  1. Splicing
  2. Attenuation
  3. Ribosome
  4. None

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Name of first biggest lair who announced the false Prophet-hood

  1. Muslima kazab
  2. Tulayha
  3. Kazab
  4. None

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Most mammals has sets of teeth during their life

  1. Two sets
  2. Four sets
  3. Five sets
  4. None

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Maggots is larva of

  1. Fly
  2. Honey bee
  3. Both
  4. None

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Estrus cycle in mouse repeats

  1. Every3-5 days
  2. Every 4-5 days
  3. Every 10-20 days
  4. Every 30 days

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First mobile company

  1. Motorola
  2. Sam sung
  3. Oppo
  4. Ufone

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Cuttlefish is ___

  1. Mollusca
  2. Snake
  3. Both
  4. None

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which insect is known as social insect

  1. Fly
  2. Honey bee
  3. Both
  4. None

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Name of anarkali

  1. Sharif un Nisa
  2. Zaib un Nisa
  3. Mehr un Nisa
  4. None

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The universal blood donors for the ABO system or type___?

  1. A
  2. B
  3. O
  4. AB

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Glycolysis converts___

  1. Glucose into pyruvate
  2. Fructose into pyruvate
  3. Both
  4. None

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Insects belongs to class

  1. Diplopodia
  2. Haxapodia
  3. Chiropodist
  4. None

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largest part of human brain is

  1. cerebrum
  2. Cerebellum
  3. Pituitary gland
  4. None

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___step of action potential is energy dependent

  1. Depolarization
  2. Action potential age
  3. polarization
  4. Refractory period

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some minerals are needed in reletively large amounts and are called

  1. Trace minerals
  2. Micro minerals
  3. extra essentials minerals
  4. none

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A binary number 1100011 has the decimal value equal to :

  1. 99
  2. 128
  3. 6
  4. 4

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Calmodulin,a cytosolic protein has ___ binding sites for calcium.

  1. 2
  2. 3
  3. 4
  4. 5

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Living __ are scaleless.

  1. . Hagfishes
  2. Sharks
  3. Bony fishes
  4. Ostracoderms

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.___ is animo acid which is lost in cystic fibrosis

  1. Methionine
  2. Alanine
  3. Phenylalanine
  4. Glycine

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