general knowledge Online Quiz - 3972

Sugarcane is a major feedstock for biofuel production, particularly in Brazil where it's used to produce ethanol. The high sucrose content in sugarcane juice can be efficiently fermented into ethanol. While wine grapes can also produce ethanol (that's what wine is), sugarcane is the primary industrial crop for biofuel ethanol production. Guava and peach are not commercially significant biofuel sources.

Air pollution directly affects the respiratory system, which includes the lungs, bronchi, trachea, and nasal passages. Pollutants like particulate matter, ozone, and nitrogen oxides irritate and damage respiratory tissues, causing asthma, bronchitis, and reduced lung function. While option B (lungs) is partially correct, option C (respiratory system) is more comprehensive and accurate.

The atmosphere is the gaseous layer surrounding Earth, composed mainly of nitrogen and oxygen. While the question stem contains an error (the atmosphere doesn't protect FROM light and heat - it moderates temperature and allows sunlight through), 'Atmosphere' is still the correct answer among the given options. The other options refer to Earth's other major spheres: hydrosphere (water), biosphere (living organisms), and lithosphere (Earth's crust).

The greenhouse effect occurs when greenhouse gases like carbon dioxide and methane trap outgoing infrared radiation from Earth's surface, warming the lower atmosphere. This trapped heat leads to an overall increase in global temperatures. The greenhouse effect doesn't directly increase oxygen production, significantly alter rainfall patterns, or decrease atmospheric pressure - its primary effect is thermal.

Hibiscus, particularly the species Hibiscus rosa-sinensis, is commonly known as China Rose in many parts of the world. This name reflects the flower's association with China in its historical cultivation. The other options are distinct plants: Rafflesia produces the world's largest flower, corpse flower (Amorphophallus) has a notorious odor, and marigold belongs to a completely different plant family.

El Niño causes significant global weather disruption including droughts, crop failures, and warm sunny weather in affected regions. The warming of Pacific Ocean waters can also contribute to conditions leading to forest fires. While El Niño influences global hurricane patterns and storm tracks, it doesn't directly create violent storms like hurricanes - rather, it modifies existing atmospheric circulation patterns that affect storm formation and intensity.

M.M. Keeravani (also known internationally as M.M. Kreem) composed the music for the 1990 Telugu film 'Kshana Kshanam' starring Venkatesh and Sridevi. The soundtrack was highly successful and featured memorable songs that established Keeravani as a leading music director in Telugu cinema. Keeravani later gained international fame for composing the Baahubali film series.

S.V. Krishna Reddy, who directed 'Mayalodu' (1993), also composed the music for this Telugu comedy film starring Rajendra Prasad. The movie was a successful comedy entertainer, and S.V. Krishna Reddy was known for taking on multiple responsibilities in his films including direction, music composition, and writing.

Dantewada district in Chhattisgarh has been one of the most severely affected areas in the Naxalite-Maoist insurgency. The region has witnessed numerous deadly attacks on security forces, including the 2010 massacre of 76 CRPF personnel. The dense forest terrain and tribal population have made it a stronghold of Naxalite activity for decades.

Salman Khan joined Twitter around 2010-2011 and became extremely active on the platform, regularly engaging with fans. His handle @BeingSalmanKhan has millions of followers. The question appears to be from that era when many Bollywood celebrities were joining social media platforms, and Salman's was particularly noted for its high engagement.

The 106th Constitutional Amendment Act passed in 2019 provides for 33% reservation for women in the Lok Sabha and state legislative assemblies. This was a major step towards gender representation in Indian politics.

In C programming, strlen() is a standard library function from string.h that calculates the length of a string. It requires the string to be passed as an argument with quotes, making strlen("hello") the correct syntax. Options A and B are missing quotes, while D and E are not valid C functions.

In Java, floating-point literals like 12.3 are treated as double by default (64-bit). To assign them to a float variable (32-bit), you must either use the 'f' suffix (12.3f) or cast the value. Without this, the compiler will flag an error due to potential loss of precision from double to float.

Ilaiyaraaja, the renowned music composer, created the musical score for the 1983 Telugu film Sagara Sangamam. The movie starring Kamal Haasan featured memorable songs that showcase Ilaiyaraaja's signature style of blending classical and contemporary musical elements.

M.S.Viswanathan, a legendary composer in South Indian cinema, provided the music for the 1983 Telugu film Akali Rajyam starring N.T. Rama Rao. The film's soundtrack reflects his distinctive musical approach that was popular in Telugu cinema during that era.

S.P. Balasubrahmanyam, primarily known as a legendary playback singer, also composed music for the 1986 Telugu film Padamati Sandhya Ragam. This showcases his versatility in the music industry beyond his celebrated singing career.

Koti, a popular music director in Telugu cinema, composed the soundtrack for the 1995 film Pedarayudu starring Mohan Babu. The movie's music was well-received and contributed to the film's commercial success.

Barren Island, located in the Andaman Sea, is India's only active volcano. It erupted in 2009, reinforcing its status as the most active volcanic region in the country. The island has witnessed multiple eruptions since its first recorded activity in 1787.