4331: Consider the following :
1. Bluetooth device
2. Cordless phone
3. Microwave oven
4. Wi-Fi device
Which of the above can operate between 2-4 and 2-5 GHz range of radio frequency band ?
(a) 1 and 2 only
(b) 1, 2 and 4 only
(d) 3 and 4 only
(d) 1, 2, 3 and 4
4332: Which one of the following parts of the pitcher plant becomes modified into a pitcher ?
(a) Stipule
(b) Stem
(c) Petiole
(d) Leaf
4333: Given below is a diary of disasters involving hazardous chemicals. Which one of the following is correctly matched?
(a) 1959, Minamata/Nigiata, Japan: Leakage at pesticide plant
(b) 1976, Sevesor Italy: Mercury discharged into waterways
(c) 1984, Bhopal, India: Leakage of dioxin
(d) 1987, Kotka, Finland: Monochloro-benzene split In harbour
4334: Assertion (A):
Shah Alam II spent the initial years as an Emperor far away from his capital.
Reason (R):
There was always a lurking danger of foreign invasion from the north-west frontier.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is NOT the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
4335: Under which one of the Ministries of the Government of India does the Food and Nutrition Board work?
(a) Ministry of Agriculture
(b) Ministry of Health and Family Welfare
(c) Ministry of Human Resource Development
(d) Ministry of Rural Development