Fungi

Q.

Name any two human diseases caused by fungi.

Q.

In which of the following, male gametes are flagellated?

1. Ectocarpus

2. Anabaena

3. Spirogyra

4. Polysiphonia

Q.

Red rot of sugarcane is produced by

1. Phytophthora

2. Cercospora

3. Albugo

4. Colletotrichum

Q.

What is a Pellicle?

Q.

What type of nutrition is present in the bread mould?

Q. Cell wall of which one of these is not made up of cellulose?

1. Bacteria
2. Hydrilla
3. Chlamydomonas
4. Cactus

Q.

Fungi are autotrophic.

1. True

2. False

Q. Which of the following are the characteristics of fungi?

1. They reproduce by spores.
2. Their cell wall is composed of chitin.
3. They include eukaryotic organisms.
4. They include prokaryotic organisms.

Q.

Do mucor and rhizopus have zoospores?

Q.

The strands of fungi are called ___(i)___. The mass of these strands is collectively called ___(ii)___.

1. (i) rhizoids and (ii) mycelium

2. (i) mycelium and (ii) rhizoids

3. (i) hyphae and (ii) mycelium

4. (i) mycelium and (ii) hyphae

Q.

Name the micro-organism used in bread-making which makes the bread-dough rise. How does it makes the dough rise ?

Q.

​The network of filaments in a fungus is called as

1. Coenocytic hyphae

2. Coenocytic hyphae

3. Hyphae

4. Mycelium

Q.

Yeast is used in the production of _______ .

1. wine

2. bread

3. cake

4. beer

Q.

Identify unicellular organism(s) from the following options.

a. Lactobacilli

b. Yeast

c. Spirogyra

d. Mushroom

1. a and b

2. a only

3. c and b

4. c and d

Q.

Choose the correct option based on given statements:

Assertion [A]: Wine is a product of microbial activity.

Reason [R]: Yeast ferments carbon compounds to make alcohol and carbon dioxide.

1. A is true but R is false.
2. Both A and R are false.
3. A and R are true and R is the correct explanation of A.
4. A and R are true but R is an incorrect explanation of A.

Q.

What is the function of mucilage on the outer surface of spirogyra?

Q. Which among the following statements are correct for plant diseases?

1. Rust of wheat is transmitted through infected seeds.
2. Yellow vein mosaic is a viral disease.
3. Rust of wheat is a bacterial disease.
4. Citrus canker is transmitted through insects.

Q. The main structure which helps in movement of bacteria is called _____.

1. flagella
2. pili
3. capsule
4. cell wall

Q. Why there is a fungus on bread during rainy and moist days?

Q. Consider three statements given below about antibiotics –
(i) Antibiotics kills or inhibits the growth of microorganisms.
(ii) Broad range antibiotics inhibit gram negative as well as gram positive bacteria.
(iii) Antibiotics are produced by microorganisms and it can’t be synthesized artificially.
Which of the above statements is correct?

1. (ii) and (iii)
2. Only (i)
3. (i) and (ii)
4. (i), (ii) and (iii)

Q.

What type of organisms grow on stored food grains having higher moisture content ?

Q.

Different types of cell and sizes in list.

Q.

In which group of organisms do the cell walls form two thin overlapping shells which fit together?

1. Slime molds

2. Chrysophytes

3. Euglenoids

4. Dinoflagellates

Q. Find the odd one out.

1. Ulothrix
2. Volvox
3. Diatoms
4. Yeast

Q.

The mode of nutrition in fungi are autotrophic.

1. True

2. False

Q. Identify the organism given in the image and the kingdom to which it belongs.

1. Yeast- Kingdom Fungi
2. Mushroom- Kingdom Fungi
3. Amoeba - Kingdom Protista
4. Euglena- Kingdom Protista

Q.

Name two diseases caused by fungi in human beings.

Q. shows symbiotic relationship with bean plants.

1. $Rhizobium$
2. $Salmonella$ $typhi$
3. $Vibrio$ $cholerae$

Q. are heterotrophic eukaryotic organisms.

1. Bacteria
2. Algae
3. Fungi

Q.

Body of fungi is made up of a network of thread-like structures called _______.