General Science - Biology MCQs
21. Late Hargobind Khorana had received Nobel Prize in physiology in 1968, for work on which among the following?
[A] Mechanisms of the action of hormones
[B] Chemical Structure of antibodies
[C] Interpretation of the genetic code
[D] Structural and functional organization of the cell
Show Answer
Correct Answer: C [Interpretation of the genetic code]
22. A person with “Bombay Blood group” can receive blood from a person who is from____?
[A] A Group or B Group
[B] AB Group
[C] O Group
[D] None of them
Show Answer
Correct Answer: D [None of them]
Notes:
Bombay Blood Group is an extremely rare ABO group, called so because it was first discovered among some people in Bombay. Their red cells lack ABH antigens and their sera contain anti-A and anti-B and anti-H. The anti-H would not be detected in the ABO group but would be detectable in pretransfusion tests. People who have Bombay phenotype can donate to any member of the ABO blood group system (unless some other blood factor gene, such as Rhesus, is incompatible), but they cannot receive any member of the ABO blood group system`s blood (which always contains one or more of A and B and H antigens), but only from other people who have Bombay phenotype
23. What is the average life of the Red Blood corpuscles?
[A] 100-120 days
[B] 120-140 days
[C] 80-95 days
[D] 70-85 days
Show Answer
Correct Answer: A [100-120 days]
24. “Daps one” immunotherapy is related to which among the following diseases?
[A] AIDS
[B] Tuberculosis
[C] Leprosy
[D] Malaria
Show Answer
Correct Answer: C [Leprosy]
25. What is PRINT (Particle Replication in Non-wetting Templates) Technology ?
[A] It’s a technology related to genetic engineering and refers to duplication of the DNA codes
[B] It’s a technology related to climate change and refers to a new technique of combating air pollution
[C] It’s a new technology related to synthesis of artificial blood
[D] None of them
Show Answer
Correct Answer: C [It’s a new technology related to synthesis of artificial blood]
26. The vaccine of which of the following diseases was not included in the Expanded Programme on Immunization (EPI) initiated by the Government of India in 1978?
[A] Polio
[B] Diphtheria
[C] Measles
[D] Tuberculosis
Show Answer
Correct Answer: C [Measles]
Notes:
The Expanded Programme on Immunization (EPI) was initiated in India in 1978 with the objective to reduce morbidity and mortality from diphtheria, pertussis, tetanus, poliomyelitis and childhood tuberculosis by providing immunization services to all eligible children and pregnant women by 1990. Measles vaccine was included when the EPI was accelerated by launching the Universal Immunization Programme (UIP) in 1985-6. Approximately half of all infants now receive complete primary immunization with diphtheria, polio and tetanus (DPT), oral polio vaccine (OPV) and BCG vaccine.
27. The term Cyberknife is most closely associated with which among the following?
[A] Magnetic Resonance
[B] Cancer Surgery
[C] Software Security
[D] Remote sensing
Show Answer
Correct Answer: B [Cancer Surgery]
28. Deposition of which among the following in the joints, causing inflammation is reason of Gout, one of the forms of arthritis?
[A] Lactic Acid
[B] Oxalic Acid
[C] Acetic Acid
[D] Uric Acid
Show Answer
Correct Answer: D [Uric Acid]
Notes:
Gout is caused by deposition of uric acid crystals in the joint, causing inflammation. There is also an uncommon form of gouty arthritis caused by the formation of rhomboid crystals of calcium pyrophosphate known as pseudogout. In the early stages, the gouty arthritis usually occur in one joint, but with time, it can occur in many joints and be quite crippling. The joints in gout can often become swollen and lose function.
29. The phenomenon in which seeds germinate and seedlings grow while still attached to their mother plant before dropping down to establish themselves or be transported elsewhere, is most commonly found in which among the following plants?
[A] Allium cepa
[B] Rhizophora
[C] Solanum tuberosum
[D] Solanum melongena
Show Answer
Correct Answer: B [Rhizophora]
Notes:
Allium cepa is onion.
Solanum tuberosum is potato,
Solanum melongena is Brinjal.
The phenomenon given in this question is shown by Mangrove Plants and is known as Vivipary and Rhizophora belongs to that category.
30. The hormonal activities of which of the following substances were discovered while studying “foolish seedling” disease in rice?
[A] Cytokinins
[B] Ethylene
[C] Auxins
[D] Gibberellin
Show Answer
Correct Answer: D [Gibberellin]
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