CBSE Class 9 Biology Features Of Spirogyra Agaricus Moss Fern MCQs

Question: The umbrella like spherical part of a button mushroom is

a) Pileus

b) Sporangium

c) Stipe

d) Spores

Answer: Pileus

Question: Seeds are naked in

a) Gymnosperm

b) Angiosperm

c) Gymnosperm and Angiosperm

d) None of the options

Answer: Gymnosperm

Question: Agaricus can be identified by these characteristics

a) All of these

b) It is a circular umbrella-like plant body

c) It grows on humus rich soils, straw and rotten wooden logs

d) Non-green saprophytic fungus

Answer: All of these

Question: Agaricus is a/an

a) Edible fungus

b) Edible alga

c) Non-edible fungus

d) Edible fungus

Answer: Edible fungus

Question: Cells of Spirogyra possess

a) Spirally arranged and ribbon like chloroplast

b) Spindle shaped chloroplast

c) Collar shaped chloroplast

d) Star shaped chloroplast

Answer: Spirally arranged and ribbon like chloroplast

Question: A plant has seeds but not fruits. It may belong to

a) Gymnosperm

b) Pteredophytes

c) Angiosperm

d) Bryophyta

Answer: Gymnosperm

Question: Black dot like structures seen in the underside of fern leaflets are

a) Sori

b) Spores

c) Sporophylls

d) Seeds

Answer: Sori

Question: Spirogyra is an alga because

a) Autotrophic thalloid body, growing in water

b) Heterotrophic, thalloid plant body growing in water

c) Autotrophic, thalloid and terrestrial organism

d) Autotrophic marine plant body

Answer: Autotrophic thalloid body, growing in water

Question: The umbrella like spherical part of a button mushroom is

a) Pileus

b) Sporangium

c) Stipe

d) Spores

Answer: Pileus

Question: A Specimen is free floating, silky mass of fresh watered organism, identify it.

a) Spirogyra

b) Agaricus

c) Fern

d) Moss

Answer: Spirogyra