Slime Moulds

Q.

Are bacteria autotrophic or heterotrophic?

Q.

What is the life cycle of Basidiomycota?

Q.

What is the other name of consumer decomposer protists?

Q.

In which class of fungi karyogamy is delayed for a long time?

Q.

What characterizes the colony morphology of Bacillus subtilis?

Q.

Question 4

Naked cytoplasm, multinucleated and saprophytic are the characteristics of

(a) Monera (b) Protista (c) Fungi (d) Slime

Q.

Are protists decomposers?

Q. Fucoxanthin is a pigment found in:

1. Spirogyra
2. Polysiphonia
3. Sargassum
4. Pinnularia

Q. The thalloid body of a slime mould (Myxomycetes) is known as

1. Protonema
2. Plasmodium
3. Fruiting body
4. Mycelium

Q. Which of the following combinations of characters is true for slime moulds?

1. Parasitic, plasmodium with true walls, spores dispersed by air currents
2. Saprophytic, plasmodium without walls, spores dispersed by water
3. Parasitic, plasmodium without walls, spores dispersed by water
4. Saprophytic, plasmodium without walls, spores dispersed by air currents

Q. Which one among the following does not belong to Monera?

1. Eubacteria
2. Archaebacteria
3. Slime molds
4. Mycoplasma

Q.

What does basidium mean?

Q.

What is the shape of Bacillus Subtilis?

Q.

Drosophila melanogaster is a model organism in Genetics justify

Q. Myxomycetes are

1. eukaryotic, single celled or filamentous organisms; autotrophic or saprotrophic; can reproduce sexually or asexually.
2. saprotrophic or parasitic organisms with mycelia; reproduces asexually by fragmentation.
3. slimy mass of multinucleate protoplasm with pseudopodia-like structures for engulfing food; reproduces by fragmentation or zoospores.
4. cellular or acellular prokaryotes; saprotrophic or autotrophic;
   reproduces by binary fission.

Q.

Are red algae edible?

Q. Myxomycetes include members that are

1. saprobes or parasites having mycelia, asexual reproduction by fragmentation, sexual reproduction by fusion of gametes
2. slimy mass of multinucleate protoplasm having pseudopodia-like structures for engulfing food, reproduction through fragmentation and spore formation
3. prokaryotic organisms, cellular or acellular, saprophytic or autotrophic, reproduction by binary fission
4. eukaryotic single celled or filamentous saprobes or autotrophs, asexual reproduction by division of haploid individuals, sexual reproduction by fusion of two cells or their nuclei

Q.

What do clusters of sporangia form?

Q.

What is the class to which dinoflagellates belong?

Q. Thallus body with naked cytoplasm with a number of nuclei moving an decaying twigs and leaves engulfing organic material is characteristic of

1. euglenoids
2. slime moulds
3. chrysophytes
4. dinoflagellates

Q. What do we call the slug-like phase of the cellular slime mold life cycle?

1. Plasmodium
2. Pseudoplasmodium
3. Sporangium
4. Macrocyst

Q. Where were the slime molds placed by Whittaker in his Five Kingdom Classification?

1. Fungi
2. Protista
3. Monera
4. Animalia

Q.

Observe the diagram given below and answer the following questions :

(a) Identify the diagram.

(b) Name the group to which it belongs.

(c) Draw and label A – E.

Q. Fungi are classified into phyla primarily on differences in:

1. number of nuclei per cell
2. cell wall composition
3. preferred habitat of growth
4. reproductive structures

Q.

What is Pelomyxa also known as?

Q. The multinucleate slimy mass of protoplasm which forms the body of slime moulds is called as

1. plasmodium
2. myxamoeba
3. sporocytes
4. periplasmodium

Q.

What is the nature of protoplasm in plasmodium?

Q. Which one among the following does not belong to Monera?

1. Slime molds
2. Mycoplasma
3. Eubacteria
4. Archaebacteria

Q. Decomposer protists are

1. Diatoms
2. Slime moulds
3. Dinoflagellates
4. Euglenoid

Q. Naked cytoplasm, multinucleated and saprophytic are the characteristics of

1. Monerans
2. Protists
3. Slime moulds
4. Fungi