4076: The rich source of iron is:
(a) Eggs
(b) Green vegetables
(c) Pulses
(d) Milk
4077: Caldera is a feature associated with
(a) Volcanoes
(b) Earthquakes
(c) Folding of rocks
(d) Faulting of mountains
4078: Chaitra 1 of the national calendar based on the Saka Era corresponds to which one of the following dates of the Gregorian calendar in a normal year of 365 days?
(a) 22nd March (or 21st March)
(b) 15th May (or 16th May)
(c) 31st March (or 30th March)
(d) 21st April (or 20th April)
4079: Who among the following scientists shared the Nobel Prize in Physics with his son?
(a) William Henry Bragg
(b) Enrico Fermi
(c) Max Planck
(d) Albert Einstein
4080: Consider the following statements:
1. India is the only country in the world producing all the five known commercial varieties of Silk.
2. India is the largest producer of sugar in the world.
Which of the following statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2