Biodiversity

Q.

Why is skin an organ?

Q. A group of organisms that are capable of interbreeding is known as:

1. Fauna
2. Flora
3. Species
4. Sal

Q. Select the abiotic factors of an ecosystem.

1. Sunlight, temperature, precipitation, water, soil and bacteria
2. Bacteria, fungi and other microorganisms
3. Sunlight, temperature, precipitation, water and soil
4. Air, water and decomposers

Q.

Brain is the control center of our body.

Q.

Anti hemorrhagic vitamin is_______.

Q.

Two types of components present in the environment are :

1. Biotic and Abiotic

2. Living and Non-Living

3. Abiotic and Non-Living

4. Biotic and Living

Q.

Choose the options that have both biotic and abiotic components.

1. hyacinth, firs, seeds, fox

2. air, rocks, sunlight, soil

3. sun, vallisneria, algae, temperature

4. Soil, earthworm, hyacinth, rocks and temperature are nonliving components or abiotic factors.

   Hyacinth, firs, seeds, fox, Vallisneria and algae are living components or biotic factors.

Q. All of the following are the sense organs except:

1. Skin
2. Tongue
3. Eyes
4. Heart

Q.

Why do we find animals of certain kinds living in particular climatic conditions? Explain.

Q. Which biome has four seasons?

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

Q. The little bumps on your tongue are called:

1. Taste buds
2. Papillae
3. Pores
4. Pimples

Q.

Which of the following animals does not live in cold place?

1. Mountain goat

2. Snake

3. Polar bear

4. Snow leopard

Q.

“Brain works as a master”. Justify it.

Q. Which of the following is the function of pinna?

1. Protects the skin from bacteria.
2. Filtering the waste particles.
3. Prevents the insects from entering.
4. Directs the sound waves.

Q. Plants are classified as biotic component.

1. True
2. False

Q.

Which one of these is not a type of forest based on their location?

1. Temperate

2. Deciduous

3. Tropical

4. Taiga

Q.

List all the sources and importance of the following minerals in food.

1. Calcium.
2. Magnesium
3. Potassium
4. Zinc
5. Iron

Q.

List some abiotic factors which are important for the growth of the plants.

Q.

When we watch a movie, which of our senses are required?

1. Sense of hearing
2. Sense of smell
3. Sense of vision
4. Sense of touch

Q. Skin is the largest organ in the body.

1. True
2. False

Q. Which of the following is the function of eyelid?

1. Releases tears
2. Causes burns
3. Protects eyes from cold
4. Protects eyes from dust

Q. Grassland is an example of a _______ habitat.

1. terrestrial
2. aquatic
3. freshwater
4. aerial

Q.

Plants, animals, microbes, weather, soil, and water are components of ________.

1. an ecosystem
2. the biodiversity
3. a kingdom
4. the population

Q. Choose the biotic substances from the following options.

1. Wool
2. Air
3. Cotton
4. Soil

Q.

In an experiment, Radha took small amounts of an unknown food item in a test tube. Then, she added two drops of copper sulphate CuSO₄ solution in the test tube along with a few drops of caustic soda solution. After a few minutes, the colour of the food item changed to violet.In the given experiment, the change in colour of the food item to violet indicates the presence of

Q. Which of the following biomes has a rainy and a dry season?

1. Temperate grasslands
2. Savanna
3. Desert
4. Tropical rainforest

Q.

Vitamins are complex organic compounds which can resist the growth of harmful microorganisms in the body.

1. True
2. False

Q.

__________ is known as the central information processing system of an animal body.

Q.

What size is the human brain?

Q.

Pick the abiotic component in a habitat.

1. 

2. 

3. 

4.