Chapter 18: Natural Vegetation — Online MCQ Test
GEOGRAPHY · Grade 11 · CBSE(NCERT)
Practice Chapter 18: Natural Vegetation with a free chapter-wise online MCQ test.
This chapter covers: Tropical evergreen forests deciduous forests thorn forests montane forests mangroves biodiversity forest conservation vegetation distribution ecology.
AI-generated questions from basic to board-exam level, with instant results and explanations.
Chapter 18: Natural Vegetation — Important Questions & Answers
Which type of natural vegetation is found in areas receiving rainfall of more than 200 cm annually?
- A. Tropical evergreen forests
- B. Tropical thorn forests
- C. Montane forests
- D. Temperate grasslands
Answer: A. Tropical evergreen forests
Tropical evergreen forests develop in hot and wet regions with very high rainfall, usually above 200 cm. They remain green throughout the year.
Tropical evergreen forests develop in hot and wet regions with very high rainfall, usually above 200 cm. They remain green throughout the year.
Which of the following trees is commonly found in tropical deciduous forests of India?
- A. Cactus
- B. Teak
- C. Pine
- D. Mangrove
Answer: B. Teak
Teak is one of the most important trees of tropical deciduous forests. These forests shed their leaves during the dry season.
Teak is one of the most important trees of tropical deciduous forests. These forests shed their leaves during the dry season.
Tropical deciduous forests are also known as:
- A. Rain forests
- B. Monsoon forests
- C. Taiga forests
- D. Mangrove forests
Answer: B. Monsoon forests
Tropical deciduous forests are called monsoon forests because they are closely associated with seasonal monsoon rainfall. Their trees shed leaves during the dry season.
Tropical deciduous forests are called monsoon forests because they are closely associated with seasonal monsoon rainfall. Their trees shed leaves during the dry season.
In which order of altitude is the following vegetation sequence generally seen in the Himalayas: tropical forests, temperate forests, coniferous forests, alpine vegetation?
- A. From higher to lower altitude
- B. From lower to higher altitude
- C. Randomly, with no relation to altitude
- D. Only in coastal areas
Answer: B. From lower to higher altitude
As altitude increases, vegetation changes from tropical forests at lower elevations to temperate, coniferous, and then alpine vegetation at the highest levels. This is due to decreasing temperature with height.
As altitude increases, vegetation changes from tropical forests at lower elevations to temperate, coniferous, and then alpine vegetation at the highest levels. This is due to decreasing temperature with height.
Which one of the following is the most appropriate reason for forest conservation in the context of natural vegetation?
- A. Forests are important only for timber production
- B. Forests help maintain ecological balance and biodiversity
- C. Forests are useful only in urban areas
- D. Forests can be replaced completely without any environmental impact
Answer: B. Forests help maintain ecological balance and biodiversity
Forests are vital for maintaining ecological balance, protecting biodiversity, and supporting climate and soil conditions. Their conservation is essential for sustainable development.
Forests are vital for maintaining ecological balance, protecting biodiversity, and supporting climate and soil conditions. Their conservation is essential for sustainable development.