Deuteromycetes are known as fungi imperfecti because from Biolog

Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

Which of the following is correct regarding respiration in adult frog

  • In water- Skin, gills

  • On land - Skin, buccal cavity

  • In water- Skin, buccal cavity

  • On land- Skin, lungs, gills


2.

Which of the following is correctly matched

  • Monstera- Fibrous root

  • Dahlin- Fasciculated root

  • Azadirachta- Adventitious root

  • Basil- Prop roots


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3.

Deuteromycetes are known as fungi imperfecti because

  • their zygote undergoes meroblastic and holoblastic cleavage

  • only asexual stages are known

  • they have aseptate myceliun

  • they are autotrophic


B.

only asexual stages are known

Deuteromycetes are commonly known as imperfect fungi because only the asexual or vegetative stages of these fungi are known. The deuteromycetes reproduce only by asexual spores known as conidia. The mycelium is septate and branched. Some members are saprophytes or parasites while a large number of them are decomposers of litter and help in mineral cycling. Some examples are Alternaria, Colletotriclmm and Trichoderma.


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4.

Abscisic acid is known as the stress hormone because it

  • breaks seed dormancy

  • induces flowering

  • promotes leaf fall

  • promotes closure of stomata


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5.

One of the world's most poisonous fish toxins is released by

  • clown fish

  • eel fish

  • sword fish

  • puffer fish


6.

Na+/K+ pump is associated with

  • passive transport

  • active transport

  • osmosis

  • imbibition


7.

Photorespiration shows formation of

  • sugar but not ATP

  • ATP but not sugar

  • both ATP and sugar

  • neither ATP nor sugar


8.

The microscope usually used for seeing living cells or tissues is

  • compound microscope

  • electron micrscope

  • phase contrast microscope

  • light microscope.


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9.

Which of the following is correctly labelled

  • A: Reissner's membrane

  • B: Scala vestibuli

  •  C : Basilar membrane

  • D: Tectorial membrane


10.

In aerobic respiration, total number of ATP molecules formed from 1 glucose molecule is

  • 28

  • 32

  • 36

  • 30


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