Q33.
Consider the following trees: 1. Jackfruit (Artocarpus heterophyllus) 2. Mahua (Madhuca indica) 3. Teak (Tectona grandis) How many of the above are deciduous trees?
Answer
B
Explanation
Deciduous Forests: deciduous forest is a biome dominated by deciduous which lose their leaves seasonally. These are the widespread forests in India. They are also called monsoon forests. They spread over regions which rainfall between 70-200 cm. On the basis of the of water, these forests are further divided moist and dry deciduous. Moist deciduous forests are more pronounced in regions which record rainfall between 100-200 cm. forests are found in the northeastern states along foothills of Himalayas, eastern slopes of the Ghats and Odisha. Teak (Tectona grandis) , sal, hurra, mahua (Madhuca indica), amla, semul, and sandalwood etc. are the main species of forests. Hence options 2 and 3 are correct. Dry deciduous forest covers vast areas of the where rainfall ranges between 70 -100 cm. On wetter margins, it has a transition to the moist while on the drier margins to thorn forests. forests are found in rainier areas of the Peninsula the plains of Uttar Pradesh and Bihar. In the higher regions of the Peninsular plateau and the Indian plain, these forests have a parkland with open stretches in which teak and other interspersed with patches of grass are common. the dry season begins, the trees shed their leaves and the forest appears like a vast grassland naked trees all around. Tendu, palas, amaltas, bel, axlewood, etc. are the common trees of these In the western and southern part of Rajasthan, cover is very scanty due to low rainfall and (Artocarpus heterophyllus), evergreen tree Moraceae) native to tropical Asia and widely throughout the wetland tropics for its large fruits durable wood. It is the largest tree-borne fruit in world, reaching up to 60 cm (about 2 feet) long and up to 18 kg (about 40 pounds). Hence option 1 not correct. option (b) is the correct answer.