Pharma Crystal NIPER JEE Exam Quiz!

The correct answer is "Ayurveda, Yoga, Unani, Siddha, Homeopathy". AYUSH is an acronym that stands for these five traditional systems of medicine in India. Ayurveda is a system of medicine that focuses on holistic healing and balance, while Yoga is a practice that combines physical postures, breathing exercises, and meditation to promote overall well-being. Unani is a system of medicine that originated in ancient Greece and focuses on the use of herbal remedies and dietary interventions. Siddha is a traditional medicine system from South India that uses herbs, minerals, and metals for healing. Homeopathy is a system of medicine that uses highly diluted substances to stimulate the body's healing response.

Immunoglobulin, also known as antibody, is a protein molecule that is produced by plasma cells and is an essential part of the immune system. It consists of two identical light chains and two identical heavy chains, which are connected by disulfide bonds. Therefore, the correct answer is "all of these" as immunoglobulin has 2 light chains, 2 heavy chains, and disulfide bonds.

The dissociation constant of water is a measure of how much water molecules dissociate into hydrogen ions (H+) and hydroxide ions (OH-) in a given solution. The dissociation constant is typically represented by the symbol Kw and is equal to the product of the concentrations of H+ and OH- ions in the solution. The correct answer of 1.8 x 10-16 mol/L indicates a very low dissociation constant, suggesting that water molecules do not dissociate significantly in the given solution.

The correct answer is 5. This suggests that exclusive marketing rights can be valid for a period of up to 5 years. This means that for a specific product or service, only one company or individual has the right to market and sell it for a maximum of 5 years, preventing competitors from entering the market during that time. After the 5-year period, other companies may be allowed to market and sell the product or service as well.

an elimination process in which the major product is the less substituted, and hence less stable alkene; normally requires either a bulky base or a poor leaving group, or both

The correct answer is "Steroidal". Diosgenin is a compound found in plants that is used to synthesize steroidal hormones such as progesterone and cortisone. Steroids have a characteristic structure consisting of four interconnected rings, and diosgenin possesses this steroidal ring structure. Therefore, the presence of a steroidal ring in diosgenin is the correct explanation for the given answer.

The term "meta stable" refers to a state where a substance is stable under certain conditions but can easily transition to a more stable state. In the context of a suspension formulation, using a meta stable polymorph means that the suspension will remain stable for a longer period of time compared to other polymorphs. This is because the meta stable polymorph has a higher energy state and is less likely to undergo spontaneous transition to a more stable form. Therefore, using a meta stable polymorph can help to maintain the stability of the suspension over time.

Cognizance is the correct synonym for knowledge. Cognizance refers to having awareness, understanding, or familiarity with something. It implies having knowledge or recognition of a particular subject or situation. Therefore, cognizance is the best choice among the given options as it closely relates to the concept of knowledge.

Simple aliphatic ethers can be distinguished from alkanes by the presence of a C-O bond. Alkanes only contain carbon-carbon (C-C) and carbon-hydrogen (C-H) bonds, while ethers have an additional carbon-oxygen (C-O) bond. Therefore, the presence of a C-O bond is a characteristic feature of ethers that differentiates them from alkanes.

INH, also known as isoniazid, is a drug used in the treatment of all types of tuberculosis (TB). It is a first-line medication that is highly effective against the TB bacteria. INH works by inhibiting the synthesis of mycolic acids, which are essential components of the TB cell wall. This disruption weakens the cell wall and ultimately leads to the death of the bacteria. Due to its effectiveness and safety profile, INH is commonly included in the standard treatment regimen for TB.

COX-2 inhibitors should not be given if the patient is already taking anti-hypertensive medication. This is because COX-2 inhibitors can cause an increase in blood pressure, which can counteract the effects of the anti-hypertensive medication and potentially lead to complications. It is important to avoid this combination to ensure the patient's blood pressure is effectively controlled.

Zytiga (abiraterone acetate) is a CYP17 inhibitor that is specifically indicated for the treatment of prostate cancer. It is not indicated for the treatment of lung cancer or any other type of cancer. Therefore, the correct answer is "Prostate Cancer."

Terfinadine is the correct answer because it is a drug that has been associated with causing cardiac arrhythmia. Cardiac arrhythmia refers to abnormal heart rhythms, which can be potentially dangerous. Terfinadine is an antihistamine medication that was commonly used to treat allergies, but it has been withdrawn from the market due to its potential to cause serious cardiac side effects. These side effects include prolongation of the QT interval, which can lead to a specific type of arrhythmia called torsades de pointes. Therefore, terfinadine is the drug that can cause cardiac arrhythmia.

Shim coils are used in NMR (Nuclear Magnetic Resonance). NMR is a technique used to study the magnetic properties of atomic nuclei. Shim coils are used to generate a uniform magnetic field in the NMR spectrometer. This is important because a uniform magnetic field ensures that the NMR signals obtained are accurate and reliable. By adjusting the shim coils, any inhomogeneity in the magnetic field can be corrected, leading to improved resolution and sensitivity in NMR experiments.

The antonym of adulation is criticism because while adulation refers to excessive praise or admiration, criticism refers to the act of finding fault or expressing disapproval. Adulation involves a positive connotation, while criticism carries a negative connotation. Therefore, criticism is the opposite of adulation.

Mankind is the correct answer because it is a pharmaceutical company that specializes in the development and manufacturing of healthcare products, including pregnancy test strips. GSK, Piramal, and Johnson&Johnson are also pharmaceutical companies, but they may not specifically produce pregnancy test strips.

HPMC (Hydroxypropyl methylcellulose) is a commonly used retardant material that forms a hydrophilic matrix in the formulation of matrix tablets. It is a polymer that swells in water, creating a gel-like matrix that controls the release of the active ingredient from the tablet. This matrix allows for sustained release of the drug over an extended period of time, providing a controlled and prolonged therapeutic effect. HPMC is widely used in pharmaceutical formulations due to its biocompatibility, stability, and ability to control drug release kinetics.

Amylase is an enzyme that breaks down starch into smaller molecules. When starch reacts with iodine, it forms a complex that gives a blue color. Therefore, the presence of amylase is responsible for the blue color observed in the reaction between starch and iodine.

Fastest machine makes ‘T’ toys in 8 hours.
Slowest machine makes ‘T’ toys in 9 hours
We do not know how much time the other 2 machines take. There are 2 extreme possibilities. The other 2
machines can be neither faster than the fastest machine nor can they be slower than the slowest machine.
\ If the other 2 are as fast as the fastest machine,
Total time taken to make ‘T’ toys each = 8 + 8 + 8 + 9 hours = 33 hours
\ Average Time = 33 ´ 1/4 = 8.25 hours
If the other 2 are as slow as the slowest machine,
Total time taken to make ‘T’ toys each = 8 + 9 + 9 + 9 = 35 hours
\ Average time = 35/4 = 8.75 hours
\ Average has to range between 8.25 and 8.75.
Option 2, 8.1 hours, is not possible.
Hence B

The correct answer is Birla. Ambuja Cement is a brand that belongs to the Birla group. The Birla group is a conglomerate in India that has interests in various industries, including cement production. Ambuja Cement is one of the leading cement manufacturing companies in India and is a subsidiary of the Birla group.

Pyridine does not undergo Friedel-Crafts reaction because it lacks a reactive hydrogen atom on its nitrogen atom. Friedel-Crafts reaction involves the electrophilic substitution of an aromatic ring, where a hydrogen atom is replaced by an electrophile. Since pyridine does not have a hydrogen atom available for substitution, it cannot undergo this reaction.

american scientist find this test... test function for vagus nerve...

The correct answer is 2005. This means that product patent started in India in the year 2005.

The correct symbol for lysine is K. Lysine is one of the 20 amino acids that are the building blocks of proteins. Each amino acid is represented by a specific symbol, and in the case of lysine, the symbol is K. This symbol is used in scientific literature and in the field of biochemistry to represent lysine in protein sequences and structures.

The correct answer is A & B. This means that both the Dumas method and the Kjeldahl method can be used for nitrogen detection. The Dumas method involves the combustion of a sample and the measurement of the resulting nitrogen gas, while the Kjeldahl method involves the digestion of a sample with sulfuric acid and the subsequent measurement of the released ammonia. Both methods are commonly used in laboratories for determining the nitrogen content in various substances.

Threo and erythro are terms used to describe the relative configuration of stereoisomers. Specifically, they are used to describe diastereomers, which are stereoisomers that are not mirror images of each other and have different physical and chemical properties. Therefore, the correct answer is diastereomer.

DCM stands for Delhi Cloth Mills, which was a prominent Indian textile company. In the given question, it is mentioned that DAEWOO of South Korea joined in India with a company. Therefore, the correct answer is DCM, as it indicates that DAEWOO collaborated or formed a partnership with Delhi Cloth Mills in India.

Glutamate is the amino acid that is carboxylated in the process of carboxylation of clotting factors by vitamin K. Carboxylation is the addition of a carboxyl group to a molecule, and in this case, it occurs on the glutamate residues of the clotting factors. This carboxylation process is important for the proper functioning of clotting factors in the blood coagulation cascade.

The correct answer is 12-15 years. Developing a new drug molecule involves several stages, including discovery, preclinical testing, clinical trials, and regulatory approval. Each stage requires extensive research, testing, and evaluation to ensure safety and effectiveness. This process can take many years due to the need for thorough testing, data collection, analysis, and regulatory review. Additionally, unexpected challenges or setbacks can further prolong the timeline. Therefore, it typically takes around 12-15 years for a new drug molecule to complete all necessary steps and reach people.

Propranolol has the highest first pass metabolism among the given options. First pass metabolism refers to the metabolism of a drug that occurs in the liver before it enters the systemic circulation. Propranolol is extensively metabolized by the liver, resulting in a significant reduction in its bioavailability. This means that a large portion of the drug is metabolized before it can reach the target site, leading to a lower concentration of the active drug in the bloodstream. In contrast, digoxin, phenobarbital, and phenytoin have lower first pass metabolism rates compared to propranolol.

The betaine structure is related to the Witting reaction. The Witting reaction involves the formation of a betaine intermediate, which is a four-membered ring containing a negatively charged carbon atom and a positively charged heteroatom. This intermediate is formed by the reaction of a phosphonium ylide with a carbonyl compound. The betaine structure is characteristic of the Witting reaction and is essential for the formation of the desired product. Therefore, the correct answer is Witting reaction.

Bandha soap is related to Myristia fragrans because Myristia fragrans, also known as nutmeg, is a spice commonly used in cooking and as a fragrance. Bandha soap is likely made using the essential oil or extract from Myristia fragrans, as it is known for its pleasant aroma and potential skin benefits.

Peptidomimetics are molecules that have no peptide bonds, a molecular weight less than 700, and exhibit activity similar to peptides. This means that all of these characteristics are true for peptidomimetics. They are designed to mimic the structure and function of peptides, but with modifications that enhance their stability and bioactivity. Therefore, the correct answer is "All."

The Curtius reaction involves the conversion of acylazide to isocyanate. This reaction is typically carried out by treating the acylazide compound with a base, which causes the nitrogen group to migrate to the carbon atom adjacent to the carbonyl group. This results in the formation of an isocyanate compound. Therefore, the correct answer is acylazide to isocyanate.

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The correct answer is Ghaziabad because Dabur research foundation is located in Ghaziabad.

Hoffman degradation proceeds through the intermediate called isocyanate.

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MSDS stands for Material Safety Data Sheet. This is a document that provides important information about the potential hazards and safety precautions associated with a particular substance or product. It includes details about the composition, physical and chemical properties, handling and storage instructions, emergency procedures, and potential health effects of the material. MSDS is commonly used in workplaces to ensure the safe handling and use of hazardous substances.

In IR spectra, the stretching is due to the change in bond length of the compound. When a molecule absorbs infrared radiation, it causes the bonds between atoms to vibrate. This vibration results in a change in the bond length, which can be detected in the IR spectrum. The stretching frequency is directly related to the strength and stiffness of the bond, and it provides information about the types of bonds present in the compound. Therefore, the correct answer is "change in bond length of the compound".

in this when source of light placed between the two powerful magnet then we show zeeman effect... for this effect mr pieter zeemzn got Nobel price.

The correct answer is "l". In protein translation, only the L-type amino acids are used. The L and D forms of amino acids are mirror images of each other, but only the L form is used in protein synthesis. The D form is not naturally occurring in proteins and is typically found in other biological processes or as a result of chemical reactions. Therefore, in protein translation, only the L-type amino acids are utilized.

The measles vaccine is typically given to infants at around 6 months of age. This timing allows for the baby's immune system to develop enough to respond effectively to the vaccine. Giving the vaccine at this age also helps to provide protection against measles at a time when the risk of infection is higher.

A partnership firm cannot raise funds through debentures. Debentures are a form of long-term borrowing for a company, where investors lend money in exchange for fixed interest payments and repayment of principal. However, a partnership firm does not have shares or a separate legal entity like a company, so it cannot issue debentures to raise funds. Instead, partnership firms typically rely on partner's capital, bank loans, or loans from partners to finance their operations.

The correct answer is CO2. CO2, or carbon dioxide, is one of the main greenhouse gases responsible for trapping heat in the Earth's atmosphere and contributing to climate change. It is released through various human activities such as burning fossil fuels, deforestation, and industrial processes. CO, or carbon monoxide, is also a greenhouse gas but it is not as prevalent or impactful as CO2. Cl2, or chlorine gas, is not a greenhouse gas and does not contribute to global warming. "All" is not a greenhouse gas and does not provide a specific answer.

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4.7 for span 60.
4.3 for span 80.

An increase in the S-character of an atom in a molecule causes the absorption to shift towards the left. This is because an increase in S-character leads to a greater electronegativity and a stronger pull on the electrons, causing them to be more tightly held by the atom. As a result, the absorption of light by the molecule occurs at a higher energy level, which corresponds to a shorter wavelength and a shift towards the left on the absorption spectrum.

Resorcinol in HCl is used to detect artificial honey. Resorcinol is a chemical compound that reacts with certain substances present in artificial honey, causing a color change or other observable reactions. When combined with hydrochloric acid (HCl), the reaction becomes more specific and can accurately identify the presence of artificial honey. This method is commonly used in food testing laboratories to distinguish between natural and artificial honey.

Lithium would be the most appropriate mood stabilizer in a patient with liver diseases because it is primarily excreted by the kidneys and does not undergo significant hepatic metabolism. This makes it a safer option compared to valproic acid and carbamazepine, which are extensively metabolized by the liver and may cause hepatotoxicity in patients with liver diseases. Therefore, lithium is the preferred choice in this scenario to minimize the risk of further liver damage.

The loss of an alkene fragment by a cyclic rearrangement of a carbonyl compound with a gamma hydrogen is known as the McLafferty Rearrangement. This rearrangement involves the cleavage of a bond adjacent to the carbonyl group, resulting in the formation of a new double bond and a carbocation. The McLafferty Rearrangement is commonly observed in mass spectrometry, where it leads to characteristic fragment ions.