Biology problems
- 1. Phage typing is based on the fact that
Options- A. viruses cause disease
- B. bacteria and viruses are related
- C. bacteria are destroyed by viruses
- D. bacterial viruses attack specific cells Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk, Bank PO
Correct Answer: bacterial viruses attack specific cells
Explanation:
Phage typing is based on the fact that bacterial viruses attack specific cells. Phage typing is a method used for detecting single strains of bacteria. It is used to trace the source of outbreaks of infections.
- 2. Lysergic acid diethylamide (LSD) is a drug used as a
Options- A. Sedative
- B. Hallucinogen
- C. Steroid
- D. Analgesic Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk
Correct Answer: Hallucinogen
Explanation:
Lysergic acid diethylamide (LSD) is a drug used as a Hallucinogen.
- 3. Oxygen crosses a plasma membrane by
Options- A. Osmosis
- B. Evaporation
- C. Concatenation
- D. Diffusion Also asked in: AIEEE, Bank Exams, Analyst, Bank PO
Correct Answer: Osmosis
Explanation:
Oxygen crosses a plasma membrane by Osmosis.
- 4. Antibodies are produced by
Options- A. B Lymphocytes
- B. Pathogens
- C. Both A & B
- D. None of the above Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO
Correct Answer: B Lymphocytes
- 5. Where does meiosis take place in bryophytes?
Options- A. Capsule
- B. Protonema
- C. Antheridia
- D. None of the above Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk, Bank PO
Correct Answer: Capsule
Explanation:
Meiosis takes in the capsule of the Bryophytes.
- 6. Which word best describes the structure of the cell membrane?
Options- A. Rigid
- B. Impermeable
- C. Nonpolar
- D. Layered Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk
Correct Answer: Layered
- 7. The oval window is connected directly to which passageway?
Options- A. scala tympani
- B. external auditory meatus
- C. scala vestibuli
- D. pharyngotympanic tube Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO
Correct Answer: scala vestibuli
Explanation:
The oval window is connected directly to scala vestibuli.
- 8. The definition of Lysogeny is Also asked in: Analyst, Bank Clerk, Bank PO
Correct Answer: The definition of Lysogeny is a dormant viral infection of bacteria in which the genetic material of a virus combines with that of a host bacterium
- 9. Most Type 2 diabetics do not produce insulin.
Options- A. TRUE
- B. FALSE Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO
Correct Answer: FALSE
Explanation:
In Type 1 diabetes, body do not produce any insulin. In type 2 diabetes, body can produce some insulin.
Hence, the given statement that most type 2 diabetics do not produce insulin is "FALSE."
- 10. The functional connection between two neurons is a
Options- A. Axon
- B. Synapse
- C. Neuroglia
- D. Dendrites Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO
Correct Answer: Synapse
Explanation:
The functional connection between two neurons is a Synapse.
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