Algae

Q.

What are the characteristics of basidiomycetes?

Q.

Zygotic meiosis is the characteristic of

1. Fucus

2. Funaria

3. Marchantia

4. Chlamydomonas

Q.

What is heterothallism?

Q.

Give two examples of unicellular plants.

Q.

What is the basis of the classification of algae?

Q.

Select the correct order of the layers of the plant cell walls going from inside to outside

1. Middle lamella - Secondary wall - Primary wall
2. Secondary wall - Primary wall - Middle lamella
3. Secondary wall - Middle lamella - Primary wall
4. Primary wall - Middle lamella - Secondary wall

Q.

What is the function of rhizoids?

Q. Example of a unicellular algae is

1. Volvox
2. Chlamydomonas
3. Spirogyra
4. Ulothrix

Q. There is no life on moon due to the absence of

1. Light
2. Temperature
3. Water
4. $O_2$

Q.

A prokaryotic autotrophic nitrogen-fixing symbiont found in?

1. Cicer

2. Pisum

3. Cycas

4. Alnus

Q.

In which of the following, isogamous conditions with non-flagellated gametes are found?

1. Fucus

2. Chlamydomonas

3. Volvox

4. Spirogyra

Q.

What is the difference between conidia and spores?

Q. Which of the following is the order of succession in a hydrosere?

I. Rooted aquatic plants-> phytoplankton->Free floating stage->Reed swamp stage-> Climax forest-> wood land stage-> Sedge Meadow stage

II. Rooted aquatic plants-> wood land stage->Rooted floating stage-> Sedge Meadow stage-> Reed swamp stage-> phytoplankton-> Climax forest

III. Phytoplankton->Rooted aquatic plants->Free floating stage->Reed swamp stage-> wood land stage-> Sedge Meadow stage-> Climax forest

Iv. Phytoplankton->Rooted aquatic plants->Rooted floating stage->Reed swamp stage->Sedge Meadow stage-> wood land stage-> Climax forest.

1. I and IV
2. Only IV
3. Only III
4. III and II

Q.

What is meant by isogamy?

Q.

What is the difference between basidiomycetes and ascomycetes?

Q.

Embryo sac represents

1. megagametophyte

2. megaspore

3. megagamete

4. megasporophyll

Q.

Why are algae green?

Q.

Name any two nitrogen fixing bacteria

Q.

Assertion: Megaspore mother cell undergoes meiosis to produce four megaspores.

Reason: Megaspore mother cells and megaspores both are haploid.

1. Both assertion and reason are incorrect.

2. An assertion is correct but the reason is incorrect.

3. Both assertion and reason are correct and the reason is the correct explanation for assertion.

4. Both assertion and reason are correct and the reason is not the correct explanation for assertion.

Q.

Give an example of isogamous reproduction.

Q.

Who is the father of mycology?

Q.

Explain isomorphic alternation of generation?

Q. Algae are autotrophic.

1. True
2. False

Q.

The Giant redwood tree (Sequoia sempervirens) is a/an

1. Free fern

2. Gymnosperm

3. Angiosperm

4. Pteridophyte

Q.

Mistletoe is an example of _______​

Q.

What is difference between the plants and algae

Q.

Why is golden rice golden?

Q.

Name a species of marine algae which are used as food.

Q.

What does heterogamy mean?

Q.

An example of a colonial alga is-

1. Chlorella

2. Volvox

3. Ulothrix

4. Spirogyra