Symbiotic Relationship

Q.

How do plants get nitrogen?

Q.

How do rizobium bacteria and leguminous plants help each other in their survival ?

Q.

Describe the role of fungus and alga in lichens

Q.

What are saprophytes? Give two examples

Q.

Deep in sea , sunlight can hardly reach , yet there are plants like brown and red alga found here. How do you think they are able to synthesise their food...?

Q.

Explain the significance of root nodules in leguminous plants.

Q.

Does the parasitic plant harm the host plant?

Q. What is symbiosis

Q.

How does fungus associated with the roots of Pinus get benefitted?

Q. Loranthus is known as a partially parasitic plant.

1. True
2. False

Q.

Two organisms are good friends and live together. One provides shelter, water, and nutrients while the other prepares and provides food. Such an association of organisms is termed as:

1. saprophyte

2. parasite

3. autotroph

4. symbiosis

Q.

The main plant body of bryophyte plant is ______.

Q.

Name the mode of nutrition of

(i) Dodder

(ii) Algae

(iii) Rhizobium

(iv) Pitcher plant

(v) Mushroom

(vi) Mustle toe

(

Q. Do plants require nitrogen? Why?

Q. Which among the following is not a part of a symbiotic relation?

1. Fungi
2. Cuscuta
3. Rhizobium
4. Algae

Q.

Do bryophytes have fruits?

Q.

Why do lichens show symbiosis

Q. Mycorrhiza represents:

1. Symbiotic association between a fungus and liverworts
2. Symbiotic association between a fungus and an alga
3. Symbiotic association between a fungus and roots of plants
4. Symbiotic association between a fungus and roots of higher plants

Q. What are saprophytes? Give two examples.

Q.

What is the meaning of symbiosis

Q.

What are obligate parasites?

Q.

Do bryophytes have flowers?

Q. The bacteria present in root nodules of leguminous plants that is responsible for atmospheric nitrogen fixation is

1. Rhizobium
2. Blue-green algae.
3. Nitrifying bacteria.
4. Paramoecium

Q. With the help of examples differentiate between facultative symbiosis and obligate symbiosis.

Q. Saprophytes are likely to grow on:

1. Pickles when kept in moist places
2. Bread pieces
3. On the ground after rains
4. All of the above

Q. Mutually interacting organisms always function independently. State true or false.

1. False
2. True

Q. Explain symbiotic relationship with an example.

Q. Insectivorous plants digest insects to get an essential nutrient. Other plants generally get this nutrient from the soil. What is this nutrient?

1. Oxygen
2. Phosphate
3. Nitrogen
4. Carbon dioxide

Q. A plant living symbiotically inside another plant is called

1. Saprophyte
2. Endophyte
3. Semiparasite
4. Parasite

Q. More than One Answer Type
एक से अधिक उत्तर प्रकार के प्रश्न

Which of the following is/are produced in yeast during respiration?

निम्नलिखित में से श्वसन के दौरान यीस्ट में उत्पादित होता है/होते हैं

1. Lactic acid
   
   लैक्टिक अम्ल
2. Carbon dioxide
   
   कार्बन डाइऑक्साइड
3. Alcohol
   
   ऐल्कोहॉल
4. Water
   
   जल