PPSC Patwari 2024

Step-by-step solution: 1. Relative distance to cover = train length + platform length. 2. Convert speed to m/s: 72 * (1000/3600) = 20.00 m/s. 3. Time = Distance / Speed = (540 + 272) / 20.00 = 40.6 s.

We use the algebraic identity: $(a^n - b^n)$ is always divisible by $(a-b)$ for any positive integer $n$.

The Special Report on Emissions Scenarios (SRES) was published by the Intergovernmental Panel on Climate Change (IPCC) in 2000. It provided a set of scenarios used for climate change projections, including A1FI (fossil-fuel intensive) and B1 (a more sustainable, service-oriented economy), to model future greenhouse gas concentrations.

Plasmodiophora brassicae is an obligate intracellular parasite that causes clubroot disease in cruciferous plants. It invades the root cells of the host, causing abnormal cell division and enlargement, which results in the characteristic club-shaped galls on the roots that hinder water and nutrient uptake.

He studied at Lincoln College, University of Oxford.

OPEC stands for the Organization of the Petroleum Exporting Countries. It is a permanent intergovernmental organization created at the Baghdad Conference in 1960. Its primary objective is to coordinate and unify the petroleum policies of its member countries, ensuring the stabilization of oil markets in order to secure an efficient, economic, and regular supply of petroleum to consumers and a steady income for producers.

The correct answer is 'Technique'. A technique is a specific method or approach used to achieve a particular goal or solve a problem. In this context, implementing different techniques allows for the implementation of various methods or approaches, providing the teacher with the flexibility needed to address diverse student needs and learning styles.

The Memorandum Joint Venture account is classified as a nominal account because it is used to determine the profit or loss of a joint venture. It records all expenses and revenues related to the venture, which are temporary in nature and closed to the profit and loss account at the end of the venture period.

Magnetic flux is defined by the formula Φ = B * A * cos(θ), where θ is the angle between the magnetic field vector and the area vector (normal to the coil). When the coil is perpendicular to the field lines, the area vector is parallel to the field lines (θ = 0°). Since cos(0°) = 1, the flux is at its maximum value.

'The number of' signifies a specific number/unit and takes a singular verb. Correct: 'is increasing'. (Contrast with 'A number of' which is plural).

In the genus Polypodium, the sporangium typically undergoes a series of meiotic divisions resulting in the production of 64 spores. This is a characteristic feature of many leptosporangiate ferns where the spore mother cell divides to form a tetrad, followed by further divisions.

Zero-based budgeting (ZBB) is a strategic approach where every function within an organization is analyzed for its needs and costs. Unlike traditional incremental budgeting, ZBB starts from a 'zero base' each period, requiring managers to justify all expenses. This ensures that resources are allocated based on current priorities rather than historical spending patterns, making it highly effective for evaluating alternative operational methods and program efficiency.

The Ayyubids were of Kurdish origin, specifically from the Rawadiya tribe. They hailed from the town of Dvin in modern-day Armenia before moving to Iraq to serve the Zengi dynasty in Tikrit and later Mosul.

Its clock is situated over 400 meters high.

Step-by-step solution: 1. Ignore the decimal points and multiply as whole numbers. 2. Count the total decimal places (three) and place the decimal accordingly. 3. The product is 6.966.

Using the quotient property, merge the terms into one square root: sqrt(50 / 2). This simplifies to sqrt(25), which has a value of 5.

Predators are free-living insects that actively search for, capture, and consume other insects, known as prey. Unlike parasites, which may live on or inside a host for an extended period, predators usually kill their prey quickly to consume them. This predatory behavior is a critical component of natural pest control, as many beneficial insects like ladybird beetles and lacewings act as predators to manage pest populations.

The mandate was expanded in 2001 to include combating terrorist financing (CTF) following the September 11 attacks.

As a tree ages, the oldest layers of secondary xylem stop conducting water and become filled with resins and tannins. This heartwood provides structural support, while the outer sapwood conducts water.

In a properly designed experiment, variables are strictly controlled to isolate the effect of the independent variable. By maintaining consistency across conditions, researchers can confidently attribute any statistically significant differences in the dependent variable to the manipulation of the independent variable, thereby establishing a cause-and-effect relationship.