4526: A balloon filled with air is weighed (W) so that it just floats in water as shown in the figure. When it is further pushed by a short distance in water, it will:
(a) Sink to the bottom.
(b) Stay at the depth where it stands submerged.
(c) Come back to its original position.
(d) Sink down a little further but will not reach the bottom.
4527: What is the difference between Bluetooth and Wi-Fi devices?
(a) Bluetooth uses 2-4 GHz radio frequency band, whereas Wi-Fi can use 2-4 GHz or 5 GHz frequency band
(b) Bluetooth is used for Wireless Local Area Networks (WLAN) only, whereas Wi-Fi is used for Wireless Wide Area Networks (WWAN) only
(c) When information is transmitted between two devices using Bluetooth technology, the devices have to be in the line of sight of each other, but when Wi-Fi technology is used the devices need not be in the line of sight of each other
(d) The statement (a) and (b) given above are correct in this context
4528: Rabindranath Tagore surrendered his title to the British because of:
(a) Civil Disobedience Movement
(b) Non-Cooperation Movement
(c) Jallianwalah Bagh massacre
(d) Partition of Bengal
4529: The Mughal School of Painting formed the spinal column of the various schools of Indian miniature art. Which one of the following painting styles was not affected by Mughal painting ?
(a) Pahari
(b) Rajasthani
(c) Kangra
(d) Kalighata
4530: Which one of the following is a useful functional association between fungi and the roots of higher plants ?
(a) Biofertilizer
(b) Coralloid root
(c) Lichen
(d) Mycorrhiza