Q. The book, The Origin of Species was written by -
1) Linnaeus
2) Lamarck
3) Mendel
4) Darwin
Q. The study of bones is done under the branch of science called -
1) geology
2) serology
3) orology
4) osteology
Q. A new frog species named Polypedates Bengalensis has been found in residential areas of -
1) Badu, North 24 Pargana district
2) Khordana-hala, South 24 Pargana district
3) Malda Town
4) Both (A) and (B)
Q. A new species of signal fish named Pteropsaron indicum has been discovered in -
1) The Ganges near Sahibganj
2) Deep waters of the Laksha-dweep Sea off Kerala Coast
3) Andaman Island coast
4) Kochchi harbour
Q. Which satellite is dedicated as India's first multi wavelength space observatory?
1) Astrosat
2) SARAL
3) SRMSAT
4) Jugnu
Q. In Electronic Communication Systems, noise refers to -
1) unwanted signals that tend to disturb the transmission and processing of message signals
2) loud music harming the eardrums
3) sensation of hearing that is not audible
4) unwanted sensations that disturb messages
Q. Which of the following is a commonly used chemical method for purifying water?
1) Hibernation
2) Excavation
3) Chlorination
4) Denitrification
Q. Which of the following is a part of the process involved in water cycle?
1) Evaporation
2) Sublimation
3) Freezing
4) Melting
Q. Name the nuclear-capable surface-to-surface intercontinental ballistic missile developed by the Defence Research and Development Organisation (DRDO)?
1) Prithvi III
2) Trishul
3) Agni 5
4) Barak-8
Q. What is the application of the GSAT-31 satellite launched by India on 6 February, 2019?
1) Earth observation
2) Navigation
3) Climate and Environment
4) Communication
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