UNESCO inaugurated the celebration of 2019 as the International Year of the Periodic Table of Chemical Elements to celebrate its completion of how many years?

1) 100

2) 150

3) 75

4) 50

UNESCO inaugurated the celebration of 2019 as the International Year of the Periodic Table of Chemical Elements to celebrate its completion of how many years?

1) 100

2) 150

3) 75

4) 50

Recently, ISRO and CNES signed an agreement to set up a joint maritime surveillance system CNES is a space agency of which country?

1) Russia

2) Germany

3) France

4) Canada

The book, The Origin of Species was written by -

1) Linnaeus

2) Lamarck

3) Mendel

4) Darwin

The study of bones is done under the branch of science called -

1) geology

2) serology

3) orology

4) osteology

 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)

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

Which satellite is dedicated as India's first multi wavelength space observatory?

1) Astrosat

2) SARAL

3) SRMSAT

4) Jugnu

Which of the following is a commonly used chemical method for purifying water?

1) Hibernation

2) Excavation

3) Chlorination

4) Denitrification

Which of the following is a part of the process involved in water cycle?

1) Evaporation

2) Sublimation

3) Freezing

4) Melting

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