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MCQs

Total Questions : 219 | Page 17 of 22 pages
Question 161. Which of the following statements is false?
  1.    Gram negative bacteria is less resistant to physical disruption than Gram positive.
  2.    Gram positive bacteria is inhibited by basic dyes
  3.    Gram negative bacteria cell wall is thin and single layered.
  4.    Gram negative bacteria is more resistant to antibiotics than Gram positive.
 Discuss Question
Answer: Option C. -> Gram negative bacteria cell wall is thin and single layered.
Answer: (c).Gram negative bacteria cell wall is thin and single layered.
Question 162. Which of the following is the largest bacteriophage?
  1.    T4 bacteriophage
  2.    T6 bacteriophage
  3.    Lambda phage
  4.    T2 bacteriophage
 Discuss Question
Answer: Option A. -> T4 bacteriophage
Answer: (a).T4 bacteriophage
Question 163. Which of the following is not true for TMV Virus?
  1.    It does not contain spikes
  2.    TMV Virus affects tobacco plants
  3.    It contains viral coat containing copies of multiple proteins
  4.    It is a retrovirus
 Discuss Question
Answer: Option C. -> It contains viral coat containing copies of multiple proteins
Answer: (c).It contains viral coat containing copies of multiple proteins
Question 164. The following diseases is caused by viruses ____________
  1.    Influenza
  2.    Measles
  3.    Typhoid
  4.    Both Influenza and Measles
 Discuss Question
Answer: Option D. -> Both Influenza and Measles
Answer: (d).Both Influenza and Measles
Question 165. Which of the following are a Gram negative bacteria?
  1.    Neisseria gonorrheae
  2.    Mycoplasma pneumonia
  3.    Cornybacterium diptheriae
  4.    Streptococcus pyogenes
 Discuss Question
Answer: Option A. -> Neisseria gonorrheae
Answer: (a).Neisseria gonorrheae
Question 166. Atoms or molecules having orbitals containing a single unpaired electron is known as ___________
  1.    Captions
  2.    Anions
  3.    Free radicals
  4.    Carbocation
 Discuss Question
Answer: Option C. -> Free radicals
Answer: (c).Free radicals
Question 167. The detailed tertiary structure of a protein is determined by the ___________ technique.
  1.    HPLC
  2.    Spectrometry
  3.    X-ray
  4.    X-ray crystallography
 Discuss Question
Answer: Option D. -> X-ray crystallography
Answer: (d).X-ray crystallography
Question 168. Which of the following is true based on the strength of the bond?
  1.    Ionic > Covalent > Vanderwaal > Hydrogen
  2.    Covalent > Ionic > Vanderwaal > Hydrogen
  3.    Covalent > Ionic > Hydrogen > Vanderwaal
  4.    Covalent > Ionic > Hydrogen = Vanderwaal
 Discuss Question
Answer: Option B. -> Covalent > Ionic > Vanderwaal > Hydrogen
Answer: (b).Covalent > Ionic > Vanderwaal > Hydrogen
Question 169. Which of the following is a non-polar molecule?
  1.    Water
  2.    Ammonia
  3.    Ethylene
  4.    Ethanol
 Discuss Question
Answer: Option C. -> Ethylene
Answer: (c).Ethylene
Question 170. The electron clouds around the nucleus are of ___________
  1.    Spherical shape
  2.    Spherical and Dumbbell shape
  3.    Spherical and Hexagonal shape
  4.    Cannot be determined
 Discuss Question
Answer: Option B. -> Spherical and Dumbbell shape
Answer: (b).Spherical and Dumbbell shape

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