Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Which of the following kingdoms has/have only unicellular organisms?
Monera only
Protista only
Monera and Protista both
Protista and fungi both
Which one of the following is a waterborne disease?
Jaundice
Tuberculosis
Rabica
Arthritis
The atomic number of an element is 8. How many electrons will it gain to form a compound with sodium?
One
Two
Three
Four
Directions: The following item consist of two statements. Statement I and statement II. Examine these two statements carefully and select the correct answer using the code given below.
Statement I : Geostrophic wind blows above a height of 600 meters, parallel to the isobars.
Statement II : Geostrophic wind is the horizontal wind velocity, in which the coriolis force balances the horizontal pressure force.
Both the statements are individually true and statement II is the correct explanation of statement I
Both the statements are individually true but Statement II is not the correct explanation of Statement I
Statement I is true Statement II is false
Statement I is false but statement II is true
A sample of oxygen contains two isotopes of oxygen with masses 16 u and 18 u respectively. The proportion of these isotopes in the sample is 3: 1. What will be the average atomic mass of oxygen in this sample?
17.5 u
17 u
16 u
16.5 u