1. Leishmaniasis is a disease caused by protozoan parasites that belong to the genus Leishmania and is transmitted by the bite of certain species of_________?
[A] Mosquito
[B] Sand fly
[C] Bee
[D] None of the above
Show Answer
Correct Answer: B [Sand fly]
Notes:
Leishmaniasis is a disease caused by protozoan parasites that belong to the genus Leishmania and is transmitted by the bite of certain species of Sandflies. The disease can present in three main ways: cutaneous, mucocutaneous, or visceral.
2. Which among the following is correct statement about solubility of “Lipids”?
[A] They dissolve in water but are insoluble in organic solvents
[B] They do not dissolve in water but are soluble in organic solvents
[C] They dissolve in both water and organic solvents
[D] They do not dissolve in either water or organic solvents
Show Answer
Correct Answer: B [They do not dissolve in water but are soluble in organic solvents]
Notes:
Lipids are categorised within a group of naturally occurring molecules, including fats, waxes, sterols, fat-soluble vitamins and others. They are hydrophobic or non-polar, which explains why they’re not soluble in water, a polar substance, but are soluble in organic, non-polar solvents.
3. Butter is a ________?
[A] fat dispersed in milk
[B] fat dispersed in water
[C] water dispersed in fat
[D] None of the above
Show Answer
Correct Answer: A [fat dispersed in milk]
Notes:
Butter is a type of dairy product that is made by churning cream or milk until the fat particles in the milk coalesce to form a solid mass. The resulting solid mass is known as butter and it is composed mostly of butterfat, which is a type of fat that is found in milk. To be more specific, butter is a fat that is dispersed in milk. This means that the butterfat is evenly distributed throughout the milk, giving it a smooth and creamy texture. While butter is most commonly made from cow’s milk, it can also be produced from the milk of other mammals, such as sheep, goats, buffalo, and yaks.
4. With which of the following diseases Project Kavach is related to?
[A] Malaria
[B] Dengue
[C] AIDS
[D] Swineflu
Show Answer
Correct Answer: C [AIDS]
Notes:
Project Kavach is related to AIDS. The AIDS virus can be transmitted through contact with infected blood, semen or vaginal fluids. Within a few weeks of HIV infection, flu-like symptoms such as fever, sore throat and fatigue can occur.
5. From which part of the Glycyrrhiza glabra plant, also known as Liquorice or Mulethi, is the extract derived?
[A] Leaves
[B] Roots
[C] Fruits
[D] Stem
Show Answer
Correct Answer: B [Roots]
Notes:
Liquorice root, or Mulethi, is a potent expectorant that has been utilized in Ayurvedic medicine since ancient times. The powdered root is used in “Jastimadhu” tooth powder. Many cough syrups incorporate Liquorice as one of their components. It is also used to treat mouth and peptic ulcers, attesting to its versatile medicinal properties. Liquorice root is well-regarded for its numerous health benefits apart from its sweet flavour.
6. Which among the following vitamins is involved in the breakdown of energy molecules such as glucose?
[A] Vitamin A
[B] Vitamin B
[C] Vitamin C
[D] Vitamin D
Show Answer
Correct Answer: B [Vitamin B]
Notes:
Vitamin B is involved in the breakdown of energy molecules such as glucose. Vitamin B are a class of water-soluble vitamins which play an important role in cell metabolism.
7. In which of the following era began the Self replicating RNA molecules on Earth ?
[A] Basin Era
[B] Nectarian Era
[C] Early Imbrian
[D] Cryptic Era
Show Answer
Correct Answer: A [Basin Era]
Notes:
Basin Groups refers to 9 subdivisions of the lunar Pre-Nectarian geologic period. It is the second era of the Hadean. In Basin Era began the Self-replicating RNA molecules on Earth.
8. 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.
9. The greatest degree of genetic variability would be expected among organisms that reproduce via__?
[A] Budding
[B] Sporulation
[C] Sexual Recombination
[D] Vegetative Propagation
Show Answer
Correct Answer: C [ Sexual Recombination]
Notes:
Genetic variability is usually due to a mutation during meiosis (sexual reproduction). In the above question, the answer choices (B) and (D) are examples of asexual reproduction. They create identical offspring.
10. Gram Positive Bacteria can be identified by the Gram staining because of the following reasons?
[A] The cell walls have more lipids compared to peptidoglycan
[B] The Cells walls have more Peptidoglycan compared to Lipids
[C] The Cells membrane has more fatty acids
[D] The plasma has Peptidoglycans
Show Answer
Correct Answer: B [ The Cells walls have more Peptidoglycan compared to Lipids]
Notes:
The cell wall which is made up of Peptidoglycan as well as lipids gets violet due to the reaction of the CV+. After the decolorization with alcohol, the lipids gets dissolved and the bacteria with higher Peptidoglycan remain violet. These are called Gram Positive bacteria.
