171 Science MCQ Questions in english हिन्दी

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Read science multiple choice questions for the various types of competitive exams. These science questions will help students to prepare for their exams. Improve your Science subject knowledge by reading these science questions.


Which late Bihar-born scientist, a key member of the Tejas aircraft project, launched “Mobile Science Lab” for rural education?

A Padma Shri awardee from Darbhanga, he contributed to the Tejas fighter jet and initiated science outreach programmes across Bihar with his Mobile Science Lab

Which greenhouse gas is emitted during excessive urea use in U.P.'s agriculture?

Overuse of nitrogenous fertilizers like urea releases nitrous oxide—a potent greenhouse gas. It contributes to climate change and soil degradation

What is the function of Krishi Vigyan Kendras (KVKs) in U.P.?

KVKs are agricultural extension centers that provide training and tools to farmers. They bridge the gap between research institutions and actual farm practices.

Which agricultural practice is encouraged in eastern U.P. for conserving water?

Drip irrigation helps conserve water and improve crop yield. It is being promoted especially in water-stressed and flood-affected areas.

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Which water-borne disease is common in flood-prone districts of U.P.?

Cholera outbreaks occur in flood-affected areas due to contaminated drinking water. Sanitation and clean water supply are crucial to prevent it.

Which renewable energy source is being promoted in Bundelkhand region?

Due to high sunshine and poor infrastructure, solar energy is ideal for Bundelkhand. Government schemes promote solar pumps and off-grid solutions here.

Which city in U.P. has a government biotechnology research center?

The Biotech Park in Lucknow promotes research and industry collaboration in the field of biotechnology. It supports innovation in agriculture and healthcare.

Which bacteria causes Japanese Encephalitis, a recurring epidemic in eastern U.P.?

Japanese Encephalitis, transmitted by mosquitoes, is caused by the Flavivirus. It is a major public health concern in Gorakhpur and neighboring districts.

What is the primary cause of smog in cities like Kanpur and Lucknow during winters?

In winter, temperature inversions trap pollutants near the surface. Crop burning in nearby areas and vehicle emissions worsen air quality, creating smog.

Which type of soil in U.P. is best suited for pulses cultivation?

Red loamy soil, found in parts of Bundelkhand, is well-drained and ideal for pulses like arhar and gram. It retains enough nutrients for legume crops.

Which energy source is widely used in rural households of U.P. for cooking?

Despite government LPG schemes, many rural households in U.P. still rely on firewood due to affordability and accessibility issues.

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What is the approximate forest cover in Sonbhadra district?

Sonbhadra, due to its hilly terrain and protected areas, has a forest cover close to 45%. It contributes significantly to the state’s ecological balance.

Which thermal power plant in U.P. is coal-based and located in Sonbhadra?

Obra Thermal Power Station is one of the largest coal-fired plants in U.P. It supplies power to both industrial and domestic users in the state.

Which crop in U.P. is most susceptible to pest attacks, especially the stem borer?

Sugarcane crops are frequently affected by stem borers and top borers, reducing yield. Integrated pest management is essential to control them.

Which city in U.P. has an All India Institute of Medical Sciences (AIIMS)?

AIIMS Gorakhpur is one of the newer AIIMS institutions set up to improve tertiary healthcare in eastern U.P. It serves as a medical education and research hub.

Which of the following animals is protected in the Dudhwa National Park?

Dudhwa National Park, located in the Tarai region, is home to the Bengal Tiger. It is part of Project Tiger and supports a rich biodiversity.

Which river valley in U.P. is rich in mineral deposits like limestone and coal?

The Sonbhadra district in the Son Valley region is rich in limestone, coal, and other minerals. It supports thermal power stations and cement factories.

Which natural disaster is most common in eastern Uttar Pradesh?

Floods are frequent in eastern U.P. due to overflowing rivers like Ghaghara and Rapti during monsoons. Poor drainage and silt accumulation worsen the problem.

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Which type of crop requires the most nitrogen-based fertilizer in U.P.?

Paddy requires large amounts of nitrogen for healthy growth. It is widely cultivated in eastern U.P. during the monsoon season.

What is the major source of groundwater contamination in western Uttar Pradesh?

Arsenic contamination is a serious concern in western and eastern U.P. It affects drinking water quality and poses health hazards like cancer and skin diseases.

Which city in Uttar Pradesh houses the Indian Institute of Sugarcane Research (IISR)?

IISR is located in Lucknow and conducts advanced research on sugarcane cultivation and technology. It plays a crucial role in improving sugarcane yields in U.P.

Which environmental issue is common in western Uttar Pradesh due to overuse of fertilizers?

Excessive use of chemical fertilizers and pesticides leads to water pollution in rivers and groundwater. This is a growing concern in agricultural belts like western U.P.

Which crop has the largest area under cultivation in U.P.?

heat is the most widely grown crop in Uttar Pradesh, especially in the western and central regions. It is a staple food and a key rabi crop.

Which animal species is protected in the Katarniaghat Wildlife Sanctuary, U.P.?

Katarniaghat in Bahraich district is part of the Terai conservation area. It is a key habitat for the critically endangered Gharial (a fish-eating crocodile).

Which is the most important abiotic factor affecting agriculture in U.P.?

Soil fertility determines crop yield and productivity. U.P.’s fertile alluvial soils support high agricultural output, especially for wheat and sugarcane.

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Which type of soil is highly suitable for sugarcane cultivation in U.P.?

Loamy soil retains moisture and nutrients well, making it ideal for sugarcane. U.P. has large areas of fertile loamy soil, especially in the Gangetic plain.

Which research center in Varanasi specializes in agricultural technology?

The ICAR-IIVR in Varanasi works on vegetable crop improvement and production techniques. It benefits farmers across eastern Uttar Pradesh and beyond.

Which is the major cause of air pollution in Kanpur?

Kanpur suffers from high levels of air pollution due to its heavy leather and textile industries. Poor air quality has made it one of India's most polluted cities.

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