Delhi Police Constable Mock Test - 9 Free Online Test 2026

The State shall provide free and compulsory education to children up to the age of 14 years as per Article 45 of the Directive Principles.

Correct answer-Option D

The Advocate General of a state is the highest law officer in the state.
- Eligibility criteria include:
- Being a citizen of India.

- shouldn't be more than 62 years of age
- Having been an advocate of a High Court for at least 10 years or a judicial officer for at least 10 years.

- Should be eligible to be appointed as a judge of the High Court

Lactic Acid is present in sour milk or curd. The increased acidity causes the milk proteins (casein) to tangle into strong masses or curds.

During exhalation, i.e. releasing air during respiration, the ribs move downwards to reduce the volume of the thoracic cavity.
During exhalation, your diaphragm relaxes and moves upward into the chest cavity. The intercostal muscles between the ribs also relax to reduce the space in the chest cavity. As they relax they position the rib cage downwards and inwards.

We can see an object when it reflects or emits rays of light that enter our eyes.

Chromosomes are thin thread like structure present inside nucleus of the cell. Chromosome consists of DNA and protein. Genes are located on chromosome.

Cardiac muscles are striated, uninucleated, and branched. They are involuntary muscles responsible for the rhythmic contraction and relaxation of the heart.

The mantle exhibits plasticity, which means it can flow over geological timescales, leading to the movement of tectonic plates.

During the winter solstice, which occurs around December 21, the Antarctic Circle experiences continuous darkness because the South Pole is tilted away from the Sun.

The temperature of the Earth's inner core is estimated to be around 6000°C (10,800°F).

The movement of tectonic plates is primarily caused by the flow of semi-molten rock in the mantle driven by convection currents.

Take the total surface area of the initial cone into consideration and then proceed.

The correct answer is Third Generation.

• Generation in computer terminology is a change in technology a computer is/was being used.
• Initially, the generation term was used to distinguish between varying hardware technologies.
• Nowadays, generation includes both hardware and software, which together make up an entire computer system.

​​​​​​​Bookmark:

• A bookmark is a feature of the web browser that sends your browser to a certain webpage.
•  A bookmark, also known as an electronic bookmark, is a method of saving the title, URL address, and favicon of the corresponding page for future reference.
• In most browsers, you need to press a shortcut key from the keyboard Ctrl + D to bookmark the page you are viewing.

URL is the address used to identify resources on the internet. It specifies the location of a resource and the protocol to be used for accessing it, such as "http://" or "https://".

• The cell in MS Excel holds the data. The user can enter values and formulas in the cell in MS Excel 2007 by selecting the cell first, then can edit the cell value by clicking in the formula bar.
• The formula bar is also used for entering formulas like sum(), min(), max() and so on, as per the user requirement.
• Another way to enter data into the cell is to select the respective cell and then press the F2 function key.

Thus the correct answer is "Formula Bar".

PDF is a file format used for capturing and presenting documents independent of the software, hardware, and operating system. It ensures that the document's formatting remains consistent across different devices.

PARAM 8000 is considered to be the first supercomputer developed in India.

• PARAM is a series of supercomputers developed by C-DAC in Pune.
• PARAM supercomputers developed under the leadership of Vijay P Bhatkar.
• Supercomputers developed by India are EKA, PARAM, Kabru, Blue Gene.
• Pratyush is India's fastest supercomputer.

Third Generation (1964-1977):

• This generation was introduced by the development of a small chip consisting of the capacity of the 300 transistors
• These Integrated Circuits (IC)s are popularly known as Chips.
• So it is quite obvious that the size of the computer got further reduced
• Some of the computers developed during this period were IBM-360, ICL-1900, IBM-370, and VAX-750
• Higher-level language such as BASIC (Beginners All-purpose Symbolic Instruction Code) was developed during this period​

SATA is a type of interface used to connect storage devices, such as hard drives and solid-state drives, to a computer's motherboard. It replaced the older parallel ATA (PATA) interface.

Memory Management of an operating system takes care of allocation and deallocation of memory space to program.

• Memory management is the functionality of an operating system that handles or manages primary memory and moves processes back and forth between main memory and disk during execution.
• Memory management keeps track of each and every memory location, regardless of either it is allocated to some process or it is free.
  • It checks how much memory is to be allocated to processes.
  • It decides which process will get memory at what time.
  • It tracks whenever some memory gets freed or unallocated and correspondingly it updates the status.

ISP is a company or organization that provides access to the internet for individuals and businesses. It offers various internet connectivity options, such as dial-up, DSL, cable, and fiber.