Thursday, 27 June 2019

Human Biology Quiz Questions And Answers

Online solved general biology quiz questions with answers for exams preparations tests. Biology quiz questions and answers for National Testing Service Jobs Educators and Medical MBBS Jobs tests. Biology related questions in solved quiz tests.

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Online MCQs For Biology Exam Questions And Answers



Q.1: 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.2: Which of the following is second largest part of the brain------- ?

  1. Cerebrum
  2. Cerebellum
  3. Thalamus
  4. Hypothalamus

B

Q.3: Receptors for hearing come under heading of-------- ?

  1. Chemical
  2. Mechanical
  3. Photo
  4. Nociceptors

B

Q.4: In which of the following neurons length of dendrite is greater than axon----------- ?

  1. Sensory neuron
  2. Motor neuron
  3. Associative neuron
  4. none of these.

A

Q.5: Which of the following ions are involved in the initiation of nerve impulse---------- ?

  1. Na+
  2. K+
  3. Fe
  4. none of these

A

Q.6: Which of the following occurs in anaerobic respiration but not in aerobic respiration ?

  1. Release of CO2
  2. Reduction of NAD
  3. Formation of ATP
  4. Production of ethanol from acetaldehyde

D

Q.7: Animals fats are -------------- atroom temperature ?

  1. Liquids
  2. Gases
  3. Solids
  4. None of these

C

Q.8: The type of learning in which there is loss or decrease in response to repeated stimuli ?

  1. Imprinting
  2. Habituation
  3. Latent learning
  4. Insight learning

B

Q.9: The one which causes contraction of wall of the uterus during and after birth ?

  1. ADH
  2. MSH
  3. Oxytocin
  4. Progesterone

C

Q.10: The survival of an animal depends upon its ability to take some from its environment------- ?

  1. Chemicals
  2. Hydrocarbons
  3. Organic molecules
  4. Inorganic molecules

C

Q.11: Which one of the following stage preceeds mitosis during cell cycle ?

  1. G1 phase
  2. S phase
  3. G2 phase
  4. M phase

C

Q.12: There are mainly ---------- types of tRNA ?

  1. 170
  2. 20
  3. 25
  4. 15

B

Q.13: Which of the Euglenas (a Protoctista) character resembles that of animals-------- ?

  1. They can move
  2. They lack cell wall
  3. They do not have chlorophyll
  4. Both a and b

D

Q.14: The greatest diversity of animals in the lake is found in which one of the following zones ?

  1. Limmnetic zone
  2. Littoral zone
  3. Profundal zone
  4. None of these

B

Q.15: Other name for Kingdom monera is--------- ?

  1. Protoctista
  2. Prokaryotae
  3. Archae
  4. None of these

B

Q.16: The size of smallest virus is--------- ?

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

B

Q.17: A virion is----------- ?

  1. Virus
  2. Viral protein
  3. Viral lysozyme
  4. Viral gene

A

Q.18: Attachment of the bacteriophage with the receptor site on the bacterial cell wall involves-------- ?

  1. Strong covalent bond between virion and the receptor site.
  2. Week chemical unior between them
  3. Both A and B depending upon the phage
  4. None of these

B

Q.19: Which of the following is the smallest known virus ?

  1. Hepatitis virus
  2. Retrovirus
  3. Polio virus
  4. Pox virus

C

Q.20: In life cycle of bacteriophage which step occur after attachment of prophage with the receptor site of the bacterial cell wall------ ?

  1. Absorption
  2. Multiplication
  3. Lysogeny
  4. Penetration

D


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