NEET Exam

1. What is the primary purpose of PHP filters? a) To modify the output of PHP scripts b) To sanitize and validate data from external sources c) To filter the contents of a file d) To apply CSS filters in PHP Click to View Answer and Explanation Answer: b) To sanitize and validate data from […]

MCQ: Which data type in Java is used to store text? a) char b) String c) int d) boolean Click to View Answer and Explanation Answer: b) String Explanation: The 'String' data type in Java is used to store text values, which are enclosed in double quotes.

1. What are variables in Java primarily used for? a) Controlling the flow of the program b) Storing data values c) Generating random numbers d) Handling user inputs Click to View Answer and Explanation Answer: b) Storing data values Explanation: Variables in Java are containers for storing data values, allowing the program to manipulate or

These 40 MCQs cover a wide range of topics within Engineering Thermodynamics, including fundamental laws, processes, cycles, and practical applications in systems like refrigeration, engines, and compressors. They are designed to test knowledge in both academic and practical contexts within the field. 1. What is the first law of thermodynamics? a) Energy can neither be

1. Faraday's Law is associated with: a) Electric fields b) Magnetic fields c) Electromagnetic induction d) Static electricity Click to View Answer and Explanation Answer: c) Electromagnetic induction Explanation: Faraday's Law is related to electromagnetic induction, stating that a changing magnetic field can induce an electric field. 2. The unit of magnetic flux is: a)

Ratio and Proportion problems are key components of quantitative aptitude tests. They involve comparing two quantities by division and determining how one quantity is related to another. A ratio is an expression that compares quantities relative to each other, while a proportion states that two ratios are equal. These concepts are widely used in solving

The Chain Rule is a vital concept in arithmetic and algebra, often used in problems related to ratios and proportions. It involves understanding how a change in one quantity leads to a change in another, based on a fixed ratio or relationship. This concept is widely used in various fields, including finance, physics, and everyday

Surds and Indices are essential concepts in algebra, dealing with roots and powers of numbers. Surds refer to root expressions that cannot be simplified to remove the root (like square roots of non-perfect squares). Indices (or exponents) represent the power to which a number is raised. Understanding these concepts is crucial for solving problems in

1. Which of the following is an antipyretic drug? a) Paracetamol b) Penicillin c) Insulin d) Aspirin Click to View Answer and Explanation Answer: a) Paracetamol Explanation: Antipyretic drugs are used to reduce fever. Paracetamol is commonly used for this purpose. 2. Which compound is used in antacid? a) Sodium hydroxide b) Hydrochloric acid c)

1. Which of the following polymers is formed by condensation polymerization? a) Polyethylene b) PVC c) Nylon 6,6 d) Polypropylene Click to View Answer and Explanation Answer: c) Nylon 6,6 Explanation: Nylon 6,6 is formed by condensation polymerization of hexamethylenediamine and adipic acid. 2. Bakelite is an example of: a) Thermoplastic polymer b) Thermosetting polymer

1. Which biomolecule serves as the primary source of energy for cellular activities? a) Proteins b) Carbohydrates c) Lipids d) Nucleic acids Click to View Answer and Explanation Answer: b) Carbohydrates Explanation: Carbohydrates, particularly glucose, are primarily used by cells to derive energy through processes like glycolysis and cellular respiration. 2. Which of the following

1. Which of the following is a secondary amine? a) CH3NH2 b) (CH3)2NH c) (CH3)3N d) NH3 Click to View Answer and Explanation Answer: b) (CH3)2NH Explanation: In secondary amines, the nitrogen atom is bonded to two alkyl groups. 2. The reaction of nitrobenzene with Sn/HCl followed by treatment with NaOH gives: a) Nitrobenzene b)

1. Which of the following is a primary alcohol? a) Propan-2-ol b) Ethanol c) Tertiary butanol d) Phenol Click to View Answer and Explanation Answer: b) Ethanol Explanation: In a primary alcohol, the carbon atom bonded to the -OH group is attached to only one other carbon atom. 2. Phenol is more acidic than alcohol

1. Which of the following ligands is bidentate? a) NH3 b) Cl- c) H2O d) C2O4^2- Click to View Answer and Explanation Answer: d) C2O4^2- Explanation: C2O4^2- (oxalate) can bind to the central metal atom through two oxygen atoms, making it bidentate. 2. The number of unpaired electrons in [Fe(CN)6]^4- is: a) 1 b) 2

1. Which of the following is a non-metallic ore? a) Bauxite b) Malachite c) Calamine d) Cryolite Click to View Answer and Explanation Answer: d) Cryolite Explanation: Cryolite is an ore of the non-metal fluorine. 2. Which method is commonly employed for purification of metals of high reactivity? a) Distillation b) Electrolytic refining c) Liquation

1. Which of the following is NOT a characteristic of physisorption? a) It is exothermic b) It occurs due to Van der Waals forces c) It leads to the formation of multilayer adsorption d) It involves the formation of chemical bonds Click to View Answer and Explanation Answer: d) It involves the formation of chemical

1. Which of the following factors does NOT affect the rate of a reaction? a) Catalyst b) Temperature c) Color of reactants d) Concentration of reactants Click to View Answer and Explanation Answer: c) Color of reactants Explanation: The color of reactants has no direct influence on the rate of a reaction. 2. The rate

1. The standard electrode potential for hydrogen is: a) 0.00 V b) 1.00 V c) -1.00 V d) 2.00 V Click to View Answer and Explanation Answer: a) 0.00 V Explanation: By convention, the standard electrode potential for hydrogen is taken as 0.00 V. 2. Which of the following is an oxidation reaction? a) Fe^2+

1. Which of the following is NOT a true solution? a) Saltwater b) Air c) Sand in water d) Sugar in water Click to View Answer and Explanation Answer: c) Sand in water Explanation: Sand in water forms a heterogeneous mixture and not a true solution. 2. The solubility of a substance in a solvent

1. Which of the following is NOT a characteristic of crystalline solids? a) Definite and ordered arrangement b) Sharp melting point c) Isotropic nature d) Anisotropic nature Click to View Answer and Explanation Answer: c) Isotropic nature Explanation: Crystalline solids are anisotropic in nature, meaning they have different properties in different directions. 2. In which

1. Which of the following is a primary pollutant? a) Nitrogen dioxide b) Ozone c) Peroxyacetyl nitrate d) Sulphuric acid Click to View Answer and Explanation Answer: a) Nitrogen dioxide Explanation: Primary pollutants are those emitted directly from identifiable sources. Nitrogen dioxide is released directly into the atmosphere from various sources. 2. Which layer of

1. Which of the following is a primary pollutant? a) Nitrogen dioxide b) Ozone c) Peroxyacetyl nitrate d) Sulphuric acid Click to View Answer and Explanation Answer: a) Nitrogen dioxide Explanation: Primary pollutants are those emitted directly from identifiable sources. Nitrogen dioxide is released directly into the atmosphere from various sources. 2. Which layer of

Hydrocarbons are the simplest and most fundamental organic compounds, consisting entirely of carbon and hydrogen. From the gasoline that powers our vehicles to the plastic materials we use daily, hydrocarbons are everywhere. As NEET aspirants, understanding hydrocarbons can give you a foundational base to tackle more complex organic chemistry topics. Let’s embark on this journey

1. Which among the following is an unsaturated hydrocarbon? a) Methane b) Ethene c) Propane d) Butane Click to View Answer and Explanation Answer: b) Ethene Explanation: Ethene (C2H4) contains a double bond, making it an unsaturated hydrocarbon. 2. The IUPAC name for CH3COCH3 is: a) Propanal b) Methanone c) Ethanol d) Propanone Click to

1. Which of the following elements is a noble gas? a) Nitrogen b) Oxygen c) Neon d) Fluorine Click to View Answer and Explanation Answer: c) Neon Explanation: Neon belongs to Group 18 and is a noble gas. 2. The compound used as an antiseptic as well as a disinfectant is: a) Boric acid b)