MERIT YARD

[Class 11th - Biology - Biological Classification - MERIT YARD]

Question 1 / 40Who proposed the Five Kingdom Classification?

A) Linnaeus

B) R.H. Whittaker

C) Aristotle

D) Haeckel

Question 2 / 40Which of the following kingdoms contains only unicellular prokaryotic organisms?

A) Monera

B) Protista

C) Fungi

D) Plantae

Question 3 / 40The cell wall of Fungi is composed of:

A) Cellulose

B) Chitin

C) Pectin

D) Peptidoglycan

Question 4 / 40Nuclear membrane is absent in:

A) Nostoc

B) Volvox

C) Penicillium

D) Agaricus

Question 5 / 40Which organism is known as 'Chief Producers' in the ocean?

A) Dinoflagellates

B) Diatoms

C) Euglenoids

D) Cyanobacteria

Question 6 / 40'Red tides' in the ocean are caused by:

A) Diatoms

B) Gonyaulax

C) Euglena

D) Amoeba

Question 7 / 40Association between algae and fungi is called:

A) Lichen

B) Mycorrhiza

C) Parasitism

D) Symbiosis

Question 8 / 40Which of the following are called 'Jokers of the plant kingdom'?

A) Mycoplasma

B) Bacteria

C) Viroids

D) Nostoc

Question 9 / 40The infectious agent in viruses is:

A) Nucleic acid

B) Protein coat

C) Envelope

D) Mitochondria

Question 10 / 40Who discovered viroids?

A) Ivanowsky

B) Beijerinck

C) T.O. Diener

D) Stanley

Question 11 / 40Comma-shaped bacteria are called:

A) Coccus

B) Bacillus

C) Vibrio

D) Spirillum

Question 12 / 40Heterocyst is found in:

A) Nostoc

B) Rhizopus

C) Yeast

D) Amoeba

Question 13 / 40Primitive bacteria found in extreme harsh conditions are:

A) Eubacteria

B) Archaebacteria

C) Cyanobacteria

D) Mycoplasma

Question 14 / 40Sleeping sickness is caused by:

A) Amoeba

B) Trypanosoma

C) Plasmodium

D) Paramecium

Question 15 / 40Dikaryon phase (n+n) is seen in:

A) Ascomycetes

B) Phycomycetes

C) Algae

D) Bacteria

Question 16 / 40Genetic material of TMV is:

A) RNA

B) DNA

C) Protein

D) Both A and B

Question 17 / 40Slime moulds are __________ protists.

A) Autotrophic

B) Saprophytic

C) Parasitic

D) Chemosynthetic

Question 18 / 40Who crystallized virus for the first time?

A) Pasteur

B) W.M. Stanley

C) Ivanowsky

D) Beijerinck

Question 19 / 40The fungal partner in lichen is called:

A) Mycobiont

B) Phycobiont

C) Symbiont

D) Parasite

Question 20 / 40Mad cow disease is caused by:

A) Virus

B) Viroid

C) Prion

D) Bacteria

Question 21 / 40Which of the following is comma-shaped bacteria?

A) Coccus

B) Vibrio

C) Bacillus

D) Spirillum

Question 22 / 40Bacteriophage is a virus that infects:

A) Bacteria

B) Algae

C) Fungi

D) Animals

Question 23 / 40Pellicle is found in:

A) Euglena

B) Diatoms

C) Bacteria

D) Amoeba

Question 24 / 40Mushroom belongs to which group?

A) Ascomycetes

B) Basidiomycetes

C) Phycomycetes

D) Deuteromycetes

Question 25 / 40Potato spindle tuber disease is caused by:

A) Virus

B) Viroid

C) Bacteria

D) Fungi

Question 26 / 40Sac-fungi is the common name for:

A) Basidiomycetes

B) Ascomycetes

C) Phycomycetes

D) Deuteromycetes

Question 27 / 40Chief producers in the ocean are:

A) Diatoms

B) Dinoflagellates

C) Euglenoids

D) Slime moulds

Question 28 / 40Parasitic fungi on mustard is:

A) Albugo

B) Puccinia

C) Ustilago

D) Agaricus

Question 29 / 40The name virus was given by:

A) Pasteur

B) Ivanowsky

C) Stanley

D) Beijerinck

Question 30 / 40Causal agent of Wheat Rust is:

A) Ustilago

B) Puccinia

C) Albugo

D) Agaricus

Question 31 / 40Kingdom of 'Omnipresent' organisms is:

A) Monera

B) Protista

C) Fungi

D) Plantae

Question 32 / 40Coprophilous fungi grow on:

A) Dung

B) Wood

C) Bark

D) Soil

Question 33 / 40Association of fungi with roots of higher plants is:

A) Lichen

B) Mycorrhiza

C) Parasitism

D) Epiphyte

Question 34 / 40Each statement in a taxonomic key is called:

A) Couplet

B) Lead

C) Taxon

D) Guide

Question 35 / 40Aristotle classified plants into:

A) Herbs, Shrubs, Trees

B) Algae, Fungi, Moss

C) Monocot, Dicot

D) Annual, Biennial

Question 36 / 40Which of the following does not have a cellular structure?

A) Virus

B) Nostoc

C) Amoeba

D) Slime mould

Question 37 / 40Sexual cycle is absent in:

A) Ascomycetes

B) Deuteromycetes

C) Basidiomycetes

D) Phycomycetes

Question 38 / 40Bacterial cell wall is made of:

A) Peptidoglycan

B) Cellulose

C) Chitin

D) Silica

Question 39 / 40Five Kingdom system was given in which year?

A) 1959

B) 1969

C) 1979

D) 1949

Question 40 / 40Which organism lacks cell wall completely?

A) Nostoc

B) Mycoplasma

C) E. coli

D) Mushroom