Category: un

1. Ozone hole refers to                            (3) 1. hole in ozone layer 2. decrease in the ozone layer in troposphere 3. decrease in thickness of ozone layer in stratosphere 4. increase in the thickness of ozone layer in troposphere 2.  Plants receive their nutrients mainly…

1. El Nino is               (1) 1. a warm ocean current 2. sea storm 3. tropical disturbance 4. another name of typhoon 2. The largest ocean is                         (4) 1. Atlantic Ocean 2. Indian Ocean 3. Arctic Ocean 4. Pacific…

1. School : Education : : ? : ?        (2) 1. Scalpel : Teacher 2. Hospital : Treatment 3. Teacher : School 4. Class : College 2.  5 : 125 : : 7 : ?                           (1) 1. 343 2. 512 3.…

1. The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?                (2) 1.…

1. Smallest organism which cause disease –                  (3) 1. Bacteria 2. Virus 3. Mycoplasm 4. All 2. Bacteria which covert atmospheric nitrogen into nitrogenous compound are called –            (2) 1. Denitrifying bacteria 2. Nitrogen fixing bacteria 3. Nitrifying bacteria 4. Decomposing bacteria 3. Bacteria…

1. Find out the odd word/letters/number/number pair from the given alternatives.             (1) 1. Kuchipudi 2. Kathak 3. Bhangra 4. Pongal 2. Find out the odd word/letters/number/number pair from the given alternatives.                (4) 1. PE 2. MV 3. GP 4. DM 3. The age of…