Tropical Rainforest

Q.

Presence of plants arranged into well defined vertical layers depending on height can be seen best in

1. Tropical rainforest

2. Grassland

3. Temperate forest

4. Tropical savannah

Q. Formation of tropical forests needs mean annual temperature and mean annual precipitation as:

1. $18–{25}^{\circ }Cand150–400cm$
2. $5–{15}^{\circ }Cand100–200cm$
3. $30–{50}^{\circ }Cand100–150cm$
4. $5–{15}^{\circ }Cand50–100cm$

Q.

What is diffuse porous?

Q.

Diffuse porous woods are the characteristics of plant growing in

1. alpine region

2. cold-winter regions

3. temperate

4. tropics climate

Q. Which biome has the richest biodiversity?

1. Savanna
2. Temperate forest
3. Tropical forest
4. Taiga forest

Q. Which biome has the richest biodiversity?

1. Savanna
2. Temperate forest
3. Tropical forest
4. Taiga forest

Q. Most animals are tree dwellers in a:

1. Coniferous forest
2. Thorn woodland
3. Temperate deciduous forest
4. Tropical rainforest

Q. Spring wood (early wood) differs with autumn wood (late wood) in

1. Size of vessels and tracheids
2. Thickness of cell wall
3. Amount of wood
4. All of the above

Q. Number of biogeographical regions of India is

1. 18
2. 10
3. 16
4. 8

Q.

Presence of plants arranged into well defined vertical layers depending on height can be seen best in

1. Tropical rainforest

2. Grassland

3. Temperate forest

4. Tropical savannah

Q. Match column I with column II and select the ‌correct option.

Column‌ ‌I‌ ‌	Column‌ ‌II‌ ‌
P.‌ ‌‌Tropical rainforests	i.‌ Hottest biome
Q.‌ Desert biome	ii.‌ Relatively cold regions and have moderate precipitation
R. Coniferous forest	iii.‌ Maintains a constant temperature around the year
S.‌ Temperate forest	iv.‌ Broad leaf and tall trees

1. P - i, ‌ ‌Q - ii, ‌ ‌R - iii, ‌ ‌S - iv‌ ‌
2. P - ii, ‌ ‌Q - iii, ‌ ‌R - iv, ‌ ‌S - i‌ ‌
3. P - iii, ‌ ‌Q - i, ‌ ‌R - ii, ‌ ‌S - iv‌ ‌
4. P - iv, ‌ ‌Q - ii, ‌ ‌R - i, ‌ ‌S - iii‌ ‌

Q. Diffuse porous wood is characteristics of those plants which are growing in :

1. Alpine region
2. Cold winter regions
3. Temperate climate
4. Tropics

Q. The trees growing in desert will

1. Have only conjunctive tissue and phloem formed by the activity of cambium
2. Show alternate rings of xylem and sclerenchyma
3. Show distinct annual rings
4. Not show distinct annual rings

Q. Give examples of plants found in tropical forests.

Q. Assertion :Tropical regions are more diversity rich in comparison to temperate areas. Reason: Availability of more solar energy directly affects the presence of more species in these areas.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q. Which are the dense forests?

1. Tropical evergreen forests
2. Tropical deciduous forests
3. Tropical Savannahas
4. Chapprah

Q. Presence of plants arranged in well defined vertical layers depending on their height can be seen best in:

1. Tropical Rain Forest
2. Grassland
3. Temperate Forest
4. Tropical Savannah

Q. Presence of plants arranged in well defined vertical layers depending on their height can be seen best in:

1. Temperate Forest
2. Tropical Savannah
3. Tropical Rain Forest
4. Grassland

Q. Large woody vines are more commonly found in

1. Tropical rain forests
2. Alpine forests
3. Temperate forests
4. Mangroves

Q. Read the following statements.
A. Heartwood is durable, dark and central in position.
B. Tyloses are balloon like outgrowths of xylem parenchyma into the lumen of vessels.
C. Late wood is formed during spring season.

1. All are correct
2. Only A is correct
3. Only B is incorrect
4. Only C is incorrect

Q. The lion tailed monkeys Malaca malaca silenus are found only in the region of

1. Kaziranga and other parts of Assam
2. Eastern ghats and Madras
3. Western ghats including Travancore of Mysore
4. Himalayan mountains

Q. Diffuse porous woods are characteristic of plants growing in

1. Alpine region
2. Cold winter regions
3. Temperate climate
4. Tropics

Q. Which biome gets the highest precipitation?

1. Temperate forest
2. Deserts
3. Tropical rainforest
4. Taiga

Q. Savannahs are

1. Tropical rain forests
2. Desert with small shrubs
3. Grassland with scattered trees
4. Dense forests with close canopies

Q. Vegetation in lower levels in tropical rain forest have _______ leaves.

Q. Diffuse porous woods are characteristic of plants growing in

1. Tropics
2. Alpine region
3. Temperature climate
4. Cold winter regions

Q. Choose the wrong pair from the following.

1. Salvodora - Desert
2. Abies - Coniferous forest
3. Cenchrus - Savanna
4. Quercus - Broad leaf forest
5. Tectona - Temperate forest

Q. Which of the biomes exhibit distinct stratification into stories?

1. Tundra biome
2. Temperate biome
3. Chapparal biome
4. Tropical rain forest biome

Q. Large woody vines are more commonly found in :

1. Alpine forests
2. Temperate forests
3. Mangroves
4. Tropical rainforests