Algae

Q.

Find the odd one out

Spirogyra, Ulothrix, Volvox

1. Spirogyra

2. Volvox

3. Ulothrix

4. None of these

Q.

Mushroom belongs to which phylum of fungus?

1. Basidiomycota

2. Ascomycota

3. None of these

4. Zygomycota

Q. Which of the following is found in bacterial cell & plant cell but not in animal cell?

1. Cytoplasm
2. Cell Membrane
3. Cell Wall
4. Ribosomes

Q.

Do red algae have chlorophyll a and b?

Q.

Fide the odd one out

Chlamydomonas, Spirogyra, Volvox, Desmids,

1. Spirogyra

2. Volvox

3. Desmids

4. Chlamydomonas

Q. Which of the following exhibits a symbiotic relationship?

1. Cuscuta
2. Drosera
3. Azotobacter
4. Lichen

Q.

Where are pitcher plants found?

Q.

Which of the following plant species you would select for the production of bioethanol?

1. Jatropha

2. Brassica

3. Zea mays

4. Pongamia

Q.

An important product called___is obtained from red algae.

Q.

Laminaria and Fucus are examples of

1. Red Algae

2. Brown algae

3. Green algae

4. Blue-green algae

Q. Algae contain chlorophyll and can perform photosynthesis.

1. True
2. False

Q.

Why do algae grow so fast?

Q.

Chlamydomonas is an example of ___.

Q.

The earliest ancestors of higher plants are:

1. Algae

2. Fungi

3. Bacteria

4. Euglenoids

Q.

Which of the following are algae that possess chlorophyll?

1. Blue-green algae

2. Red algae

3. Green algae

4. Brown algae

Q. The figure shows the cross section of lichen. Can you identify which components are shown in yellow and green?

1. Yellow: Fungus, Green: Algae
2. Yellow: Algae, Green: Fungus
3. Yellow: Bacteria, Green: Algae
4. Yellow: Algae, Green: Bacteria

Q.

Identify the name of algae

1. Desmids

2. Spirogyra

3. Chlamydomonas

4. Diatoms

Q. Algae contain chlorophyll and can perform photosynthesis.

1. True
2. False

Q.

For the given assertion and reason, chose the correct option.

Statement 1 : Chlamydomonas is unicellular algae

Statement 2: Spyrogyra is colonial algae

1. Statement 1 is false and statement 2 is true

2. Both the statements are false

3. Both the statements are true

4. Statement 1 is true and statement 2 is false

Q.

Desmids are most likely to be found in which of the following water bodies?

1. Wastewater

2. River adjacent to an industrial area

3. Drinking water

4. Borewell water

Q. State whether the following statements are true or false.​
Statement 1: Plants can directly utilise atmospheric nitrogen.​
Statement 2: Rhizobium helps to fix nitrogen in the soil. ​

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

Q. The figure shows the cross section of lichen. Can you identify which components are shown in yellow and green?

1. Yellow: Algae, Green: Bacteria
2. Yellow: Fungus, Green: Algae
3. Yellow: Algae, Green: Fungus
4. Yellow: Bacteria, Green: Algae

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

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

Q.

What is turf algae?

Q.

Lichens contain (You may choose more than one option)

1. Fungus

2. Animal cells

3. Plants

4. Algae

Q. What is the difference between the algae and fungi ?

Q. Identify the given images and give the most appropriate title.

1. 
2. 
3. 
4. 

Q. What do you mean by biological nitrogen fixation?

1. Conversion of atmospheric nitrogen into useful nitrogen compounds by bacteria and algae.
2. Conversion of nitrogen compounds into ammonia by chemical process.
3. Conversion of nitrogen compounds into free nitrogen by bacteria and algae.
4. Conversion of atmospheric nitrogen into useful nitrogen compounds by lightning.

Q. The figure shows the cross section of lichen. Can you identify which components are shown in yellow and green?

1. Yellow: Fungus, Green: Algae
2. Yellow: Algae, Green: Fungus
3. Yellow: Bacteria, Green: Algae
4. Yellow: Algae, Green: Bacteria

Q. Corallina is brown algae and red algae?