1. In which among the following diseases, Seed Therapy is used now a days for treatment?
[A] AIDS
[B] Tuberculosis
[C] Cancer
[D] Asthama
Show Answer
Correct Answer: C [Cancer]
Notes:
Seed Therapy which is based on Sujok Therapy deals with the application of seeds or other parts of plants and attaching it with a tape at a corresponding point in the hand or foot of a person feeling pain. This is used now-a-days for cancer treatment.
2. Out of Diphtheria, Whooping cough, Typhoid , Diarrhea & Malaria which is not caused by bacteria?
[A] Whooping Cough
[B] Typhoid
[C] Malaria
[D] None of the above
Show Answer
Correct Answer: C [Malaria]
Notes:
Malaria (It is a disease caused by Protozoa Plasmodium family)
3. The edible part of Ginger is actually a ________?
[A] modified root
[B] modified stem
[C] modified leaf
[D] none of the above
Show Answer
Correct Answer: B [modified stem]
Notes:
In Ginger the part that we eat is actually the root which is also called as Rhizome of the plant. A rhizome is a modified stem that grows horizontally underground.
4. Who among the following were awarded Nobel Prize in 1958 for One Gene One Enzyme Concept?
[A] Landsteiner & Weiner
[B] Avery, Mccleod and mc Carthy
[C] Jacob & Wollman
[D] George Beadle and Edward Tatum
Show Answer
Correct Answer: D [George Beadle and Edward Tatum]
Notes:
George W. Beadle (1903-1989) and Edward L. Tatum (1909-1975) show how genes direct the synthesis of enzymes that control metabolic processes. George Beadle and Edward Tatum were awarded Nobel Prize in 1958 for One Gene One Enzyme Concept.
5. Which among the following is correct about biocenosis?
[A] The study of energy transformations in the living systems
[B] Community of organisms occupying an area
[C] Study of the parts of an ecosystem with specific species
[D] A kind of abnormality related to organism living in a particular habitat
Show Answer
Correct Answer: B [Community of organisms occupying an area]
Notes:
The term Biocenosis was coined by Karl Mobius in 1877. It describes the interacting organisms which are living together in a habitat or biotope. The use of this term has declined in the 21st Century.
6. What is the number of the Chromosomes affected by Turner syndrome?
[A] 44
[B] 45
[C] 46
[D] 47
Show Answer
Correct Answer: B [45]
Notes:
Chromosomes number 45 is affected by Turner syndrome. Turner syndrome is a condition which affects only females. It results when one of the X chromosomes (sex chromosomes) is missing or partially missing.
7. The relationship between algae and fungi is an example of _?
[A] Symbiotic
[B] Parasitism
[C] Mutualism
[D] Commensalism
Show Answer
Correct Answer: A [ Symbiotic ]
Notes:
First option is the correct answer
Symbiotic relationships are a special type of interaction between species. Sometimes beneficial, sometimes harmful, these relationships are essential to many organisms and ecosystems. Mutualism is when both organisms involved are benefitted.
8. What is the full form of RNA?
[A] Reverse Nucleic Acid
[B] Ribonitric Acid
[C] Ribonutrient Acid
[D] Ribonucleic Acid
Show Answer
Correct Answer: D [Ribonucleic Acid]
Notes:
Ribonucleic acid (RNA) is a polymeric molecule essential in various biological roles in coding, decoding, regulation and expression of genes. An example of RNA is a chain of cells that carries genetic information of many viruses from the cell to the cytoplasm.
9. Genetic code is made up by the four-letter alphabet forming the pairs? (UPSC Prelims 1985)
[A] A—C, C—A, T—G, G—T
[B] A—G, G—A, C—A, T—C
[C] T—G, G—T, A—C, C—A
[D] A—T, T—A, C—G, G—C
Show Answer
Correct Answer: D [A—T, T—A, C—G, G—C]
Notes:
The four letters designating these bases (A, G, C, and T) are the alphabet of the genetic code. Each rung of the DNA molecule is contains a combination of two of these letters, one jutting out from each side. In this genetic code, A always combines with T, and C with G to make what is called a base pair.
10. Malaria fever is caused by which of the following reasons? (UPSC Prelims 1991)
[A] Immediately after mosquito bite
[B] Upon disintegration and bursting of red blood cells
[C] When the malaria causing germs reach the liver
[D] Upon release of toxins into blood
Show Answer
Correct Answer: D [Upon release of toxins into blood]
Notes:
Malaria is a life-threatening disease. It’s typically transmitted through the bite of an infected Anopheles mosquito. Infected mosquitoes carry the Plasmodium parasite. When this mosquito bites you, the parasite is released into your bloodstream.
