GRASSLAND ECOSYSTEM&TUNDRA ECOSYSTEM

JavaScript isn't enabled in your browser, so this file can't be opened. Enable and reload.

BIOLOGY ONLINE QUIZ MCQS CHAPTER 26

GRASSLAND ECOSYSTEM

1. Grassland present in temperate climates are also called:

1 point

a) Picea

b) Prairies

c) Pampas

d) Both b & c

Clear selection

2. In Grassland ecosystem, tropical climates have woody trees are known as:

1 point

a) Prairies

b) Pampas

c) Savanna

d) All of them

Clear selection

3. The minimum range of rainfall in the Grassland ecosystem is:

1 point

a) 150 mm

b) 250 mm

c) 350 mm

d) 550 mm

Clear selection

4. Maximum average rainfall in the Grassland ecosystem is:

1 point

a) 450 mm

b) 750 mm

c) 1500 mm

d) 1800 mm

Clear selection

5. Average annual rainfall in Grassland forests is:

1 point

a) 10 -20 inches

b) 10 -30 inches

c) 20- 40 inches

d) 50 - 90 inches

Clear selection

6. In tropical and subtropical grassland, annual rainfall some time reaches about ______.

1 point

a) 1500 mm

b) 60 inches

c) 700 mm

d) Both a & b

Clear selection

7. In grassland first layer is formed by:

1 point

a) Tall grasses

b) Mid high grasses

c) Short grasses

d) Forbs

Clear selection

8.In grassland, the second layer is formed by:

1 point

a) Tall grasses

b) Mid high grasses

c) Short grasses

d) Mosses & lichen

Clear selection

9. In grassland, the third layer is formed by:

1 point

a) Tall grasses

b) Short grasses

c) Mosses & lichens

d) Both b & c

Clear selection

10. Example of tall grass is:

1 point

a) Andropogon

b) Stipa

c) Both a & b

d) None of them

Clear selection

11. Example of tall grass found in grassland is

1 point

a) Panicum

b) Poa

c) Bromus

d) All of them

Clear selection

12. Example of mid-high grass found in grassland is:

1 point

a) Panicum

b) Bromus

c) Stipa

d) All of them

Clear selection

13. Example of mid-high grass found in grassland is:

1 point

a) Panicum

b) Sporobolus

c) Andropogon

d) None of them

Clear selection

14. Example of mid-high grass found in grassland is:

1 point

a) Panicum

b) Poa

c) Oryzopsis

d) Both a & c

Clear selection

15. Example of short grass found in grassland is:

1 point

a) Panicum

b) Poa

c) Bromus

d) Both b & c

Clear selection

16. Dominant species found in grassland ecosystem is:

1 point

a) Herbivores

b) Invertebrates

c) Insects

d) All of them

Clear selection

17.In temperate grassland the rate of primary production is about ___________annually.

1 point

a) 300 - 700 gm^{-2}

b) 700-1000 gm^{-2}

c) 700-1500gm^{-2}

d) 1500-2700 gm^{-2}

Clear selection

18. In sub-humid tropical grassland, the rate of primary production is more than:

1 point

a) 1500gm^{-2}

b) 2000 gm^{-2}

c) 4000gm^{-2}

d) 9000 gm^{-2}

Clear selection

19. In annual grassland, large grazing animals consume relatively small amount __________of the total herbage produced.

1 point

a) 3-5%

b) 5-10%

c) 10-20%

d) 20-30%

Clear selection

20. In western Punjab the desert ecosystem is known as:

1 point

a) Thar

b) Thal

c) Thor

d) Thabl

Clear selection

Submit

Clear form

Forms

This content is neither created nor endorsed by Google.