Punjab Police Constable Mock Test - 10 Free Online Test 2026

The GST Council in India is chaired by the Union Finance Minister.

The Constitution (One Hundred and First Amendment) Act, 2016, which introduced the Goods and Services Tax, received the President's assent on 8th September, 2016.

The Inter-State Council facilitates better coordination between the states and the central government to promote cooperative federalism in India. It was established under Article 263 of the Indian Constitution.

Power is defined as the rate of change of work. Hence, P = dW/dt. Instantaneous power = Force x instantaneous speed. Average power = total work / total time.

Ice is not a heat source; it is a substance that can absorb heat and undergo phase change to become water or vapor.

The Kelvin is the SI unit of temperature. It is an absolute temperature scale where 0 Kelvin represents absolute zero, the lowest possible temperature.

To convert from kilograms to grams, you multiply by 1,000 since there are 1,000 grams in 1 kilogram.

To convert from kilometers to meters, you multiply by 1,000 since there are 1,000 meters in 1 kilometer.

Chromium is added to iron to make stainless steel. It enhances the corrosion resistance and durability of the steel, making it suitable for applications where strength and resistance to oxidation are important.

Tungsten is used to make filaments in incandescent light bulbs because of its high melting point and ability to withstand high temperatures. It can maintain its structural integrity even at very high temperatures, allowing the bulb to emit bright light.

The correct answer is C: Sclerenchyma. Sclerenchyma tissue is characterized by having lignified cell walls. Lignin is a complex compound that provides rigidity and strength to the cell walls, making them rigid and impermeable to water. The lignified cell walls of sclerenchyma cells make them highly durable and able to provide structural support to the plant. Sclerenchyma cells are often found in areas of the plant that require strength and support, such as the stems, roots, and vascular tissues.

The correct answer is A: organ. Many different types of tissues organize and work together to form an organ. An organ is a distinct structure composed of two or more tissue types that work collectively to perform specific functions in the body. Examples of organs include the heart, liver, lungs, and brain. Each organ is specialized for a particular function and consists of different types of tissues that contribute to its overall structure and function. Organs are an essential component of higher-level organization in living organisms.

Accession Day is a public holiday in the union territory of Jammu and Kashmir, commemorating October 26, 1947, when Maharaja Hari Singh signed the Instrument of Accession, in which Jammu and Kashmir joined the Dominion of India.

Amol Muzumdar, a former Mumbai batsman, was appointed as the head coach of the India women's national team in October 2023. He was selected by the Cricket Advisory Committee of the Board of Control for Cricket in India (BCCI) after a long wait.

Shillong, the capital of Meghalaya, hosted the Green Tourism Conclave in October 2023. The conclave was organized to promote environmentally responsible tourism in India, with a focus on the Northeastern region and Odisha.

Airbus and IIT Kanpur have signed a Memorandum of Understanding (MoU) to promote aerospace education and innovation in India. The MoU aims to significantly enhance the aerospace sector's talent pool in India through research and education initiatives.

Sumit Antil, the reigning Paralympic champion in javelin throw, broke the world record in the F64 category at the 2023 Asian Para Games with a throw of 73.29 meters. This surpassed his previous world record of 70.83 meters.

Professor Sarang Deo, a distinguished figure in the field of Operations Management and healthcare, has been appointed by WHO as a member of the STAG for Tuberculosis, recognizing his significant contributions to the fight against tuberculosis, especially in India.

Kerala is planning to establish a graphene production facility with an estimated investment of ₹237 crore, making it a significant development in material technology.

Li Shangfu was abruptly removed from his position as China's Defense Minister in October 2023. His removal followed a series of unexplained personnel changes in China's government, raising questions about how power is concentrated and how party discipline is enforced under Chinese leader Xi Jinping. His disappearance from public view two months earlier had sparked rumours about his fate.

Suppose their paths cross after x minutes.

Then, 11 + 57x = 51 - 63x    ⇔    120x = 40

x =1/3

Number of floors covered by David in (1/3) min. =((1/3)x 57)= 19

So, their paths cross at (11+19) i.e., 30^th floor.

Reqd. weight = 50 × 3 – 59 × 2 = 32 kg

Hence, Option D is correct.