Thursday, 27 June 2019

Biology Evolution Test Questions And Answers

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Biology Practice Test Questions And Answers






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Biology Past Paper Questions And Answers Mcqs



Q.1: In which of the following example of fungi dikaryotic hyphae exist for long period ?

  1. Deuteromycota
  2. Basidiomycota
  3. Zygomycota
  4. All of these

B

Q.2: Which of the protozoa has a striking resemblance to collar cells in sponges-------- ?

  1. Zooflagellates
  2. Choanflagellates
  3. Trypanosomoa
  4. Trichonymphas

B

Q.3: Most dinoflagellates are-------- ?

  1. Unicellular
  2. Multicellular
  3. Both of these
  4. Zooflagellates

A

Q.4: Maximum speed of nerve impulse transmission is------ ?

  1. 100 m/sec
  2. 110 m/sec
  3. 120m/sec
  4. 130 m/sec.

C

Q.5: Hydra has--------- ?

  1. Brain
  2. Nerves
  3. Neuron-cells
  4. All of these

C

Q.6: Megaphylls are characteristic for------- ?

  1. Ferns
  2. Seed plants
  3. Both of these
  4. None of these

B

Q.7: Of the following which one has glassy shells-------- ?

  1. Radiolarians
  2. Forams
  3. Both of these
  4. None of these

A

Q.8: Most dinoflagellates are-------- ?

  1. Unicellular
  2. Multicellular
  3. Both of these
  4. Zooflagellates

A

Q.9: The drfinite shape to ciliates is given by--------- ?

  1. Pellicle
  2. Penicle
  3. Calcium
  4. Cell wall

A

Q.10: Normal resting membrane potential of a neuron is-------- ?

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

C

Q.11: Of the following which one has glassy shells------- ?

  1. Radiolarians
  2. Forams
  3. Both of these
  4. None of these

A

Q.12: Kingdom protista includes-------------phyla ?

  1. 27
  2. 28
  3. 26
  4. 29

A

Q.13: --------- was first to propose an objective definition of instinct ?

  1. Thorpe
  2. Darwin
  3. Pavlov
  4. Kohler

B

Q.14: Cell membrane under resting conditions is impermeable to all the ions except-------- ?

  1. Na+
  2. K+
  3. Cl-
  4. PO4-2

B

Q.15: Who coined the term Animalcules for microorganisms like Bacteria and protozoa--------- ?

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

D

Q.16: Which type of the receptors are present in the ear---------- ?

  1. Chemoreceptors
  2. Mechanoreceptors
  3. Photoreceptors
  4. Thermoreceptors

B

Q.17: Sporangia of which of the following tracheopytes develop singly on the upper side of sporophylls which may or may not be arranged to form strobili-------- ?

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

B

Q.18: Coccobacillus has a shape similar to---------- ?

  1. Diplobacillus
  2. Sarcina
  3. Egg
  4. None of these

C

Q.19: Microspore of a seed plant that contain male gametophyte including the gamete is called-------- ?

  1. Pollen grain
  2. Ovule
  3. Microgametophyte
  4. Microsporangium

A

Q.20: The arrangement of unequal dichotomous branches in one plane during evolution of leaves is called-------- ?

  1. Overtopping
  2. Fusion
  3. Webbing
  4. Planation

D


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