Thursday, 27 June 2019

Hard Biology Questions And Answers Quiz

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PMT Biological MCQs Quiz For Exams Preparation



Q.1: The most important group of producers in marine ecosystem is of-------- ?

  1. Diatoms
  2. Euglenoids
  3. Dinoflagellates
  4. Brown algae

A

Q.2: Stentor is a/an---------- ?

  1. Ciliate
  2. Foraniniferan
  3. Actinopods
  4. Apicomplexan

A

Q.3: MSH is produced from-------- ?

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

B

Q.4: Insufficient secretion of iodothyroxine in adults causes------ ?

  1. Myxedema
  2. Cretinism
  3. Goiter
  4. Exopthalmic goiter

A

Q.5: Chalk is gradually formed of dead--------- ?

  1. Actinopods
  2. Foraminiferans
  3. Apicomplexans
  4. Radiolarians

B

Q.6: Who coined the term Animalcules for microorganisms like Bacteria and protozoa------- ?

  1. Robert Koch
  2. Louis Pasteur
  3. Alexander Fleming
  4. Leeuwenhoek

D

Q.7: Based on molecular data euglenoids are thought to be closely related to------- ?

  1. Dinoflagellates
  2. Zooflagellates
  3. Protozoans
  4. Algae

B

Q.8: Which of the following statement about neuron is incorrect------------ ?

  1. They not only conduct impulses but also generate them
  2. They are not the only cellular component of nervous system
  3. They may show limited regenerative capabilities
  4. Like all the living cell, when they mature and divide to form similar cells

D

Q.9: Most of the photosynthesis on earth is carried by------- ?

  1. Kelps
  2. Gymnosperms
  3. Angiosperms
  4. Algae

D

Q.10: Who discovered the bacteria causing tuberculosis and also developed various techniques of media preparation and maintenance of pure culture------ ?

  1. Robert Koch
  2. Louis Pasteur
  3. Alexander Fleming
  4. Leeuwenhoek

D

Q.11: The only promoter of leaf senescence in the following plant hormones is--------- ?

  1. Gibberellins
  2. Cytokinins
  3. Auxins
  4. Abscisic Acid

D

Q.12: The part of sporophyte which is called sporangium is--------- ?

  1. Capsule
  2. Foot
  3. Stalk
  4. None of these

A

Q.13: Stem of Psilophyton an example of psilogsida is differentiated into an underground rhizome and an aerial part both of which are -------- branched ?

  1. Isotomous
  2. Dichotomously
  3. Trichotomously
  4. Multichotomously

B

Q.14: 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.15: Some bacteria ranging occasionally a size of 500 ?m in length are------------ ?

  1. Escherichia coli
  2. Spirochetes
  3. Mycoplasma
  4. Epulopiscuim

B

Q.16: Antheridiophore and archegoniophore are found in------ ?

  1. Marchantia
  2. Funaria
  3. Both of these
  4. None of these

C

Q.17: In life cycle of Pinus megaspores produced by megasporangium divide into 4 megaspores by-------- ?

  1. Mitosis
  2. Meiosis
  3. Both depending upon the conditions
  4. None of these

B

Q.18: Ground pries are also known as-------- ?

  1. Lycopods
  2. Spike mosses
  3. Both of these
  4. None of these

C

Q.19: The simplest of all bryophytes are--------- ?

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

D

Q.20: Horsetails are included in class of---------- ?

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

A


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