2276: Consider the following statements:
1. Agricultural soils release nitrogen oxides into environment.
2. Cattle release ammonia into environment.
3. Poultry industry releases reactive nitrogen compounds environment.
Which of the statements given above is/arc correct?
(a) 1 and 3 only
(b) 2 and 3 only
(c) 2 only
(d) 1, 2 and 3
2277: Many transplanted seedlings do not grow because
(a) the new soil does not contain favourable minerals
(b) most of the root hairs grip the new soil too hard
(c) most of the root hairs are lost during transplantation
(d) leaves get damaged during transplantation
2278: The group of small pieces of rock - revolving round the sun between the orbits of Mars and Jupiter are called
(a) meteors
(b) comets
(c) meteorites
(d) asteroids
2279: Consider the following statements :
1. Meningococcal Meningitis is transmitted from person to person by mosquito bites.
2. Vomiting and neck pain are two of the symptoms of Meningococcal meningitis.
Which of the statements given above is/are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
2280: Which one of the following cities is nearest to the equator ?
(a) Jakarta
(b) Colombo
(c) Singapore
(d) Manila