Students should refer to Worksheets Class 11 Biology Biological Classification Chapter 2 provided below with important questions and answers. These important questions with solutions for Chapter 2 Biological Classification have been prepared by expert teachers for Class 11 Biology based on the expected pattern of questions in the Class 11 exams. We have provided Worksheets for Class 11 Biology for all chapters on our website. You should carefully learn all the important examinations questions provided below as they will help you to get better marks in your class tests and exams.
Biological Classification Class 11 Biology Worksheet
Question. Which of the following character is common in both cyanobacteria and green plants ?
(a) Cell wall composition
(b) Presence of chlorophyll ‘a’
(c) Presence of Nif gene
(d) Presence of 80s ribosome
Answer
B
Question. Which among the following is the characteristic of viroids
(a) Larger than viruses
(b) Have free infectious DNA
(c) Have free infectious RNA
(d) Have high molecular weight RNA
Answer
C
Question. Ones perfect (Sexual) stages of members of deuteromycetes were discovered they were often moved to
(a) Phycomycetes
(b) Ascomycetes only
(c) Basidiomycetes only
(d) Either ascomycetes or basidiomycetes
Answer
D
Question. Which process is not performed by bacterial activity?
(a) Production of antibiotics
(b) Fixing nitrogen in legumes
(c) Making curd from milk
(d) Production of pseudomycelium
Answer
D
Question. The cell wall of fungi are composed of :-
(a) Chitin and cellulose
(b) Cellulose and polysaccharides
(c) Chitin and polysaccharides
(d) Chitin, polysaccharides and glycogen
Answer
C
Question. Choose the incorrect statement about hycomycetes :-
(a) Members are found in aquatic habitats
(b) Spores are endogenously produced in sporangium
(c) Zygospore is formed by reduction division
(d) Its members reproduce sexually may be isogamous, anisogamous or oogamous.
Answer
C
Question. Select incorrect statement about viroid :-
(a) Free infectious RNA
(b) It was discovered by T.O. Diener
(c) It causes potato spindle tuber disease
(d) It contains high molecular weight RNA
Answer
D
Question. According to five kingdom system, kingdom protista includes :-
(a) Dinoflagellates, Diatoms, Euglenoids, Slime mould, Bacteria
(b) Eunglenoids, Fungi, Slime mould, Dinoflagellates, Protozoans
(c) Slime mould, Protozoans, Dionflagellates, Diatoms, Euglenoids
(d) Protozoans, Moss, Euglenoids, Slime mould, Diatoms
Answer
C
Question. Fungus prefers to grow in :-
(a) Warm and humid places
(b) Cold and humid places
(c) Warm and cold both
(d) Warm, cold and humid places
Answer
A
Question. Which organism is responsible for making the sea appear red by rapid multiplication ?
(a) Euglena
(b) Noctiluca
(c) Gonyaulax
(d) Trypanosoma
Answer
C
Question. Which fungus is used extensively in biochemical and genetic work ?
(a) Agaricus
(b) Aspergillus
(c) Claviceps
(d) Neurospora
Answer
D
Question. Select false statement :-
(a) Lichens are symbiotic association between algae & fungi
(b) Viruses are smaller than bacteria
(c) Virus name are obligate parasites
(d) Viruses are facultative parasite
Answer
D
Question. Which of the following group of organisms show a great diversity in morphology and habitat :-
(a) Chrysophytes
(b) Dinoflagellates
(c) Protozoan protists
(d) Fungi
Answer
D
Question. Choose the correct statement :-
(a) Most of the bacteria are autotrophs
(b) All bacteria are heterotrophs
(c) Some bacteria are heterotrophs
(d) Most of the bacteria are heterotrophs
Answer
D
Question. About pathogenecity of viruses which among the following is not correct ?
(a) Plant infecting viruses having ssRNA
(b) Animal infecting viruses having single or double stranded RNA or double stranded DNA
(c) Bacteriophages usually have double stranded RNA
(d) Bacterophages usually have double stranded DNA
Answer
C
Question. Generally plant viruses are :-
(a) Double stranded DNA viruses
(b) Single stranded RNA viruses
(c) Single stranded DNA viruses
(d) Double stranded RNA viruses
Answer
B
Question. According to five kingdom system of classification, single celled eukaryotes are placed under protista, members of protista are primarily
(a) Terrestrial
(b) Aquatic
(c) Saprophytic
(d) Epiphytic
Answer
B
Question. Endomycorrhizal fungus is :-
(a) Pythium
(b) Mucor
(c) Glomus
(d) Rhizopus
Answer
C
Question. Which is not a member of Phycomycetes ?
(a) Albugo
(b) Aspergillus
(c) Rhizopus
(d) Mucor
Answer
B
Question. Choose the correct set of bacterial disease :-
(a) Mumps, cholera, dengue
(b) Chicken pox, typhoid, mumps
(c) Mumps, tetanus, chicken pox
(d) Cholera, typhoid, tetanus
Answer
D
Question. Which kingdom out of five kingdoms proposed by Whittaker, forms a link with others dealing with plants, animals and fungi ?
(a) Monera
(b) Protista
(c) Plantae
(d) Fungi
Answer
B
