Thursday, 4 April 2019

MBBS Medical Biology PPSC Solve MCQs Tests Preparations

MBBS Online solve mcqs question answers for exams preparations of PPSC, NTS, CSS, OTS, PMS and others. Here all of the MCQs List is also for mbbs admissions in Universties. All Admission tests or jobs tests for Medical Officer PPSC exams tests Preparations with Quiz Tests of MCQs. All important repeated MCQs for Medical Officers PPSC exams tests of mcqs of biology. Solved general science biology mcqs with answers pdf books.


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Biology MCQs Quiz Tests With Answers List


Q.1: Which of the following group of tracheophyta has expanded or scale like leaves which are alwaysed arranges in whorls ?

  1. Psilopsida
  2. Lycopsida
  3. Sphenopsida
  4. Prteropsida

C

Q.2: Maize is an example of------- ?

  1. Monocot
  2. Dicot
  3. Gymnosperms
  4. none of these

A

Q.3: Golden algae are also known as---------- ?

  1. Chrysophyta
  2. Phaeophyta
  3. Pyrrophyta
  4. Rhodophyta

A

Q.4: Who developed the vaccine against anthrax ?

  1. Louis Pasteur
  2. Edward Jennar
  3. Leuvenhoek
  4. Alexander Fleming

A

Q.5: Which of the following statement is incorrect regarding germ theory of diseases postulated by Robert Koch-------- ?

  1. A specific organism can always be found in association with a given disease
  2. The organism can be isolated and grown in pure culture in the laboratories
  3. The pure culture cannot produce the disease when inoculated into susceptible animal however the causative organism isolated from pure culture can do so.
  4. It is possible to recover the organism in pure culture from the experimentally infected animals

C

Q.6: The radial symmetry is found in the animals of------- ?

  1. Protozoa
  2. Porifera
  3. Cnidaria
  4. All of these

C

Q.7: In some cases the blastomere can produce complete embryo the cleavage will be------- ?

  1. Spiral and determinate
  2. Radial and indeterminate
  3. Spiral and indeterminate
  4. Radial and determinate

B

Q.8: Cell wall is absent in--------- ?

  1. Cocci
  2. Bacilli
  3. Mycobacterium
  4. Mycoplasma

D

Q.9: Flagella originate from----------- ?

  1. Cell membrane
  2. Cell wall
  3. Capsule
  4. Basal body

D

Q.10: Both radial and bilateral symmetry is found in the phylum--------- ?

  1. Protozoa
  2. Porifera
  3. Echinodermata
  4. None of these

C

Q.11: Circulatory system is open type in all of the following except:------ ?

  1. Arthropoda
  2. Gastropoda
  3. Pelecypoda
  4. Cephalopoda

D

Q.12: Which of the following contains genes for drug and disease resistance in bacteria ?

  1. Necleotide
  2. Plasmid
  3. Mesosome
  4. Ribosome

B

Q.13: In acoelomates gut is -------- in origin ?

  1. Ectodermal
  2. Endodermal
  3. Mesodermal
  4. None of these

B

Q.14: The skeleton of the sponges is in the form of variously shaped needle like structures called-------- ?

  1. Stripules
  2. Brails
  3. Spines
  4. Spicules

D

Q.15: Purple non-sulphur bacteria is an example of------- ?

  1. Heterotrophic bacteria
  2. Chemosynthetic bacteria
  3. Photosynthetic bacteria
  4. Saprotrophic bacteria

C

Q.16: coli and example of------ ?

  1. Aerobic bacteria
  2. Anaerobic bacteria
  3. Facultative bacteria
  4. Microaerophilic

C

Q.17: The fate of each blastomere is foretol

  • The cleavage will be as------- ?

    1. Spiral and indeterminate
    2. Radial and indeterminate
    3. Radial and indeterminate
    4. Spiral and determinate

    D

  • Q.18: A sponge of Antarctica which is more than a meter tall is------ ?

    1. Scolymastra joubini
    2. Euplectella
    3. Spongilla
    4. Leucoselenia

    A

    Q.19: Spirochete is an example of------- ?

    1. Aerobic bacteria
    2. Anaerobic bacteria
    3. Facultative bacteria
    4. Microaerophilic

    B

    Q.20: Inner layers of the sponges are made up of------- ?

    1. Pinacocytes
    2. Choanoderm
    3. Choanoytes
    4. Pinacoderm

    C

    Q.21: The sponges in which sperms develop first are included in the category of------- ?

    1. Peritandrous
    2. Pertandrous
    3. Protendrous
    4. Protandrous

    D

    Q.22: Notochord is present throughout life in------- ?

    1. Urochordates
    2. Cephalochordates
    3. Chordates
    4. Vertebrates

    B

    Q.23: The single main opening of the sponge cavity is------- ?

    1. Osculum
    2. Ostia
    3. Spongocoel
    4. None of these

    A

    Q.24: Of the following which one is not the characteristic of Kingdom Animalia ?

    1. All animals are ingestive heterotrophs
    2. All animals are eukaryotes
    3. All animals develop from the dissimilar gametes i.e. large sperm and small egg.
    4. It is largest kingdom.

    C

    Q.25: Mantle in molluscs is present over-------- ?

    1. Head
    2. Ventral muscular foot
    3. Dorsal visceral region
    4. All of these

    C

    Q.26: Which system is present in nematodes ?

    1. Sac – like digestive system
    2. Tube – like digestive system
    3. Circulatory system
    4. Respiratory system

    B

    Q.27: The resolving power of electric microscope is------ ?

    1. 0.2 mm
    2. 0.2 nm
    3. 0.2 m
    4. none of these

    B

    Q.28: Ferns are included in------ ?

    1. Psilopsida
    2. Lycopsida
    3. Sphenopsida
    4. Pteropsida

    D

    Q.29: Which of the following is an example of the living member of Psilopsida------ ?

    1. Rhynia
    2. Psilophyton
    3. Psilotum
    4. Cooksonia

    C

    Q.30: Horsetails are included in class of-------- ?

    1. Sphenopeida
    2. Lycopsida
    3. Psilopsida
    4. Pteropsida

    A

    Q.31: The space between the overtopped dichotomous branches was occupies by a sheet of --------- cells during evolution of megaphyllas ?

    1. Sclerenchyma
    2. Chlorenchyma
    3. Parenchyma
    4. Collenchyma

    B

    Q.32: The simplest of all bryophytes are------- ?

    1. Thallophytes
    2. Embryophytes
    3. Mosses
    4. Liverworts

    D

    Q.33: Which of the following statement about dicots is incorrect --------- ?

    1. They have 4 or 5 sepals and petals or their multiple.
    2. They have parallel vein pattern on their leaves
    3. They are both herbaceous and woody
    4. Vascular bundles are ring shaped in their stems.

    B

    Q.34: Which of the following tracheophytes are leafless ?

    1. Psilopsida
    2. Lycopsida
    3. Sphenopsida
    4. Prteropsida

    A

    Q.35: Which type of sensory structures carry deep pressure and vibration sensations------- ?

    1. Hair end organs
    2. Meissner’s Corpuscles
    3. Pacinian corpuscles
    4. none of these

    C

    Q.36: Nissl’s granules are present in which part of the neuron--------- ?

    1. Axoplasm
    2. Myelin sheath
    3. Dendrite
    4. Soma

    D

    Q.37: Maintenance of normal resting potential via movement of K+ inside the cell and na+ out is a/an ----------- process ?

    1. Active
    2. Passive
    3. Diffusional
    4. None of these.

    A

    Q.38: Insulin and glucagons are ---------- in nature ?

    1. Protein
    2. Amino acid derivative
    3. Polypeptide
    4. Steroid

    A

    Q.39: MSH is produced from-------- ?

    1. Anterior pituitary
    2. Median pituitary
    3. Posterior pituitary
    4. None of these

    B

    Q.40: Normal action potential of a neuronal cell is -------- ?

    1. plus 50 mv
    2. plus 60 mv
    3. plus 70 mv
    4. plus 80 mv

    A

    Q.41: Any change in the environment of an organism is called------- ?

    1. Stimulus
    2. Variation
    3. Response
    4. Reaction

    A

    Q.42: Which of the followings is missing from the nervous system of planaria------ ?

    1. Ganglia
    2. Longitudinal nerves
    3. Lateral nerves
    4. none of these

    D

    Q.43: Microscopic gaps between the neuron endings are called------- ?

    1. Transmitters
    2. Synapses
    3. Pores
    4. Nodes

    B

    Q.44: Which of the following is present inside the vertebral column------ ?

    1. Spinal cord
    2. Brain
    3. Both of these
    4. None of these.

    A

    Q.45: It is one of the convulsive disorders of nerves which are characterized by abrupt transient symptoms of motor, sensory, psychic or autonomic nature------- ?

    1. Parkinson’s disease
    2. Alzheimer’s discease
    3. Dementia
    4. Epilepsy

    D

    Q.46: C6H12O6 + 6O2 ? 6CO2 + 6H20 + ENERGY represents:------- ?

    1. Photosynthesis
    2. Aerobic respiration
    3. Anaerobic respiration
    4. Respiration

    B

    Q.47: Which of the following is a compensation point ?

    1. Leaves respire and utilize O2 and release CO2.
    2. Photosynthesis and respiration occur at same rate. So there is not net exchange of gases between atmosphere and plants.
    3. Rate of photosynthesis increases, so do the O2 production, with a net release of oxygen coupled with the uptake of CO2.
    4. Rate of respiration becomes more than rate of photosynthesis.

    B

    Q.48: About ---------- % of photosynthesis is carried by terrestrial plants, while rest occurs in ocean, lakes, and ponds ?

    1. 10%
    2. 20%
    3. 30%
    4. 40%

    A

    Q.49: Which of the light is mainly absorbed by the plants ?

    1. Orange
    2. Red
    3. Green
    4. Both A and B

    D

    Q.50: Reduction in photosynthesis is of--------- ?

    1. CO2
    2. O2
    3. H2O
    4. light energy

    A



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