Terrestrial Biome

Q. Ponds, lakes and rivers are examples of _____ ecosystems.

1. grassland
2. aquatic
3. terrestrial
4. desert

Q.

What would happen if all the plants disappear from the earth? Give any two reasons.

Q. What is the ecological niche of a plant?

1. Provides food to all primary consumers
2. Provides oxygen to all organisms
3. Provides shelter for insects
4. Decomposes dead and decaying organisms

Q.

Ecological niche of an organism represents

1. The resources it utilizes

2. ​​​​​​Functional role in the ecological system

3. All of these

4. The range of conditions it can tolerate

Q.

Question 3 (a)

Fill up the blank.
The presence of specific features, which enable a plant or an animal to live in a particular habitat is called ___.

Q.

________ lives in both aquatic and terrestrial habitat during course of its life.

1. Frog

2. Camel

3. Crow

4. Fish

Q.

Mention two characteristics of aquatic animals. [2 MARKS]

Q. A biome is different from an ecosystem.

1. True
2. False

Q. A is a large area that experiences similar climatic conditions.

1. habitat
2. niche
3. biome

Q. Choose the correct option.

$\begin{array}{cc}\text{Column A}& \text{Column B}\\ \left(a\right)\text{Primary consumer}& \left(i\right)\text{ecological role and space that an organism fills}\\ \left(b\right)\text{Biome}& \left(ii\right)\text{feeds directly on producers}\\ \left(c\right)\text{Niche}& \left(iii\right)\text{ecosystem where several habitats intersect}\\ \left(d\right)\text{Secondary consumer}& \left(iv\right)\text{feeds on primary consumer}\end{array}$

1. (a) - i, (b) - iii, (c) - ii, (d) - iv
2. (a) - ii, (b) - iii, (c) - i, (d) - iv
3. (a) - iii, (b) - ii, (c) - i, (d) - iv
4. (a) - ii, (b) - iii, (c) - iv, (d) - i

Q. How does a marine biome differ from a freshwater biome?

1. Amount of salt dissolved in the water
2. Amount of algae that is found in the water
3. Amount of sunlight that strikes the surface of the water
4. The temperature of the water

Q.

Why are the plants of a snowy cold mountain and the plants of a hot arid desert different in structure and shape?

1. Snowy Mountain: Pine Tree

2. Hot Desert: Cactus Plant

1. Pine and other similar trees don't need water, they need snow to grow.

2. The structure and shape of trees develop according to the surroundings.

3. Cactus can survive in snow and pine can survive in desert.

4. There structure and shape is not different.

Q.

why is cactus adapted to dessert

Q. terrestial biome has the greatest biodiversity.

1. Temperate
2. Taiga
3. Tropical

Q. The biomes are identified on the basis of ______.

1. Cities
2. States
3. Plants
4. Rocks
5. None of these

Q. Based on their mode of ____ organisms are classified into producers, consumers and decomposers.

A) digestion
B) nutrition
C) reproduction
D) growth

Q. Define a Biome. [Textbook Question 3b pg no. 128]

Q.

Plants are exposed to all kinds of weather conditions because they cannot move explain their adaptation for protection

Q. Which of the following sentence(s) are incorrect?

1. Biomes are characterized by the major vegetation type and fauna found in a specific climatic region.
2. A pond and a single tree can also be examples of an ecosystem.
3. One type of biome can be present in different continents.
4. Populations in all the biomes are similar.

Q. The biome where saltwater and freshwater meet is called an ___.

Q.

Name the nutrients generated during photosynthesis.

1. Minerals and proteins
2. Carbon dioxide and carbohydrates
3. Glucose and proteins
4. Glucose and oxygen

Q.

ANIMAL LIKE EARTHWORM WHO LIVE IN SOIL ARE CALLED WHAT

Q. Which of the following is required for change of the form from tadpole to adult?

1. Iron
2. Sodium
3. Magnesium
4. Iodine

Q. Plants which are mostly found on the sides of pond is

1. Grass
2. Algae
3. Wheat
4. All of the above

Q. The correct definition of the 'biome' is areas having _______.

1. Large forest cover
2. Large ecosystem on land with distinct vegetation and animal life.
3. Enough water on land.
4. Only animal population

Q. Decrease in tropical forests during the past century was

1. 10%
2. 50%
3. 60%
4. 40%

Q.

________ lives in both aquatic and terrestrial habitat during course of its life.

1. Frog

2. Fish

3. Camel

4. Crow

Q.

Ecological niche of an organism represents

1. the range of conditions it can tolerate.

2. it's ​​​​​​functional role in the ecological system.

3. the resources it utilizes.

4. the dwelling place that it occupies.

Q.

In a comparative study of terrestrial ecosystem and aquatic ecosystem, it may be observed that:

1. Number of trophic levels is usually more in terrestrial ecosytem than aquatic ecosystem.

2. Both ecosystems always have the same number of trophic levels.

3. Number of trophic levels is usually less in terrestrial ecosytem than aquatic ecosystem.

4. Number of trophic levels are indefinite.