41. The trees of the tropical rain forests and coniferous forests are similar in that

1. 1. They have large broad leaves

   
   
   

   2. Their branches slope downward

   
   
   

   3. They lose their leaves at the same time

   
   
   

   4. They are evergreen

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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42. Which of the following leaf modifications occur in the desert areas to inhibit water loss ?
    1. Hard and waxy leaves
    2. Tiny leaves or no leaves
    3. Drip-tip leaves
    4. Thorns instead of leaves
    Select the correct answer using the codes given below

1. 1. 1, 2 and 4

   
   
   

   2. 2 and 3

   
   
   

   3. 1, 2 and 4

   
   
   

   4. 1 and 4

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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43. Mid-latitude deciduous forests shed their leaves mainly because

1. 1. Cold winter conditions prevent tree growth

   
   
   

   2. Warm dry summer prevents tree growth

   
   
   

   3. Strong winds blow away all the leaves

   
   
   

   4. Trees are attacked by pests during rainy season

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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44. If a tropical rain forest is removed, it does not regenerate quickly as compared to a tropical deciduous forest. This is because

1. 1. The soil of rain forest is deficient in nutrients

   
   
   

   2. Propagules of the trees in a rain forest have poor viability

   
   
   

   3. The rain forest species are slow-growing

   
   
   

   4. Exotic species invade the fertile soil of rain forest

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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45. Consider the following statements
    1. Chaparral biomes develop under conditions of high moisture with less pronounced differences in the temperature between summer and winter.
    2. Moist temperate coniferous forest biomes occur along the west coast of North America from central California to Alaska.
    Which of the statement (s) given above is / are correct ?

1. 1. 1 only

   
   
   

   2. 2 only

   
   
   

   3. Both 1 and 2

   
   
   

   4. neither 1 nor 2

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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