Other Modes of Plant Nutrition

Q.

Which of the following organisms use parasitic mode of nutrition?

1. cuscuta

2. lice

3. leeches

4. tapeworms

Q.

Distinguish between,

Holozoic and saprozoic nutrition.

Q.

Where do rhizobium bacteria live? What is their function?

Q. Name a parasitic plant with yellow, slender and tubular stem.

Q. What is holozoic mode of nutrition? Give some examples of organisms exhibiting this mode of nutrition. [2 MARKS]

Q.

The organism that has a parasitic mode of nutrition is

1. Plasmodium

2. Paramecium

3. Fungi

4. Penicillium

Q.

Pitcher plant shows ____________ as well as ____________ mode of nutrition.

1. autotrophic; saprotrophic

2. saprotrophic; parasitic

3. autotrophic; insectivorous

4. parasitic; insectivorous

Q.

Lichens are made of fungi and algae in a symbiotic relationship with each other.

1. True

2. False

Q.

Two of the following organisms have a holozoic mode of nutrition. These organisms are:

1. Paramecium and Parasite

2. Plasmodium and Fungi

3. Paramecium and Amoeba

4. Paramecium and Plasmodium

Q.

What is host and haustoria and are they interconnected?

Q. Explain how algae and fungi live in symbiosis

Q.

Rhizobium bacteria help in nitrogen fixation, but they cannot make their own food. True or False?

1. False

2. True

Q.

In which of the following groups of organisms the food material is broken down outside the body and then absorbed?

1. Cuscuta, Lice, Tapeworm

2. Mushroom, Green plants, Amoeba

3. Yeast, Mushroom, Bread mould

4. Paramecium, Amoeba, Cuscuta

Q.

The mutually beneficial relationship found between algae and fungi in lichens is called________.

1. Saprotrophic relationship

2. Autotrophic relationship

3. Parasitic relationship

4. Symbiotic relationship

Q. Which of the following statement(s) is/are correct?

Statement 1: Lichen is the symbiotic association between fungi and algae.

Statement 2: The fungi provide food to algae.

1. 
   Statement 1: True;
   Statement 2: False
   
2. 
   Statement 1: True;
   Statement 2: True
   
3. 
   Statement 1: False;
   Statement 2: True
   
4. 
   Statement 1: False;
   Statement 2: False
   

Q. How does ingestion occur in unicellular animals like an amoeba?

Q. Which of the following statement(s) is/are correct?

Statement 1: Pitcher plant is an insectivorous plant that grows in nitrogen deficient soil.

Statement 2: It digests insects which get trapped in the pitcher-shaped leaf to fulfill nitrogen requirements.

Pitcher plant is an insectivorous plant that grows in nitrogen deficient soil.

1. Statement 1: True;
   Statement 2: False
2. Statement 1: True;
   Statement 2: True
3. Statement 1: False;
   Statement 2: True
4. Statement 1: False;
   Statement 2: False

Q.

Which of the following is a saprotroph?

1. Lichen

2. Algae

3. Fungi

4. Rhizobium

Q. Briefly explain about adaption of parasitic palnts with an example.

Q.

The mutually beneficial relationship between algae and fungi found in lichens is called

1. Autotrophic relationship

2. Saprotrophic relationship

3. Symbiotic relationship

4. Parasitic relationship

Q.

Rhizobium bacteria help in nitrogen fixation, but they cannot make their own food.

1. True

2. False

Q.

Pitcher plants feed on insects as they grow in:

1. Nitrogen

2. Phosphorus

3. Sulphur

4. Potassium

Q.

Parasite depends on

1. Plants

2. Host for food

3. Water

4. Sunlight

Q.

Name the following:

Plant parasite

Q. The mutually beneficial relationship found between algae and fungi in lichens is called ______.

1. saprotrophic relationship
2. autotrophic relationship
3. symbiotic relationship
4. parasitic relationship

Q.

Define parasitism.

Q.

What Is Rhizobium japonicum?

Q.

Define parasitic mode of nutrition with two examples.

Q. Which of the following is true for parasitic plants?​
I. They obtain food from their host.​
II. They compete with the host for sunlight.​
III. They kill the host plant eventually.​

1. I and II only
2. I and III only
3. I, II, and III
4. II and III only

Q. Rhizobium and leguminous plant shares a parasitic relationship.​

1. False
2. True