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Biological Classification

719 Questions Start Errorless Test
All Exams Allen Errorless
CBSE PMT 1994; BVP 2002 Q601 Errorless 18. Lichen and Mycorrhiza_Fungi MCQ
Mycorrhiza exhibits the phenomenon of
A.
Antagonism
B.
Endemism
C.
Parasitism
D.
Symbiosis
BHU 1994; Pb. PMT 1999 Q602 Errorless 22. Self Evaluation Test_Fungi MCQ
Which one secretes pheromones for the function
A.
Rhizopus for formation of zygospore
B.
All fungi for sexual reproduction
C.
Yeast for mating
D.
Plants for growth and development
HP PMT 1994; Haryana PMT 1994; CMC 2002; AFMC 2006; WB JEE 2011 Q603 Errorless 22. Self Evaluation Test_Fungi MCQ
VAM represents
A.
Saprophytic fungi
B.
Symbiotic fungi
C.
Saprophytic bacteria
D.
Symbiotic bacteria
BHU 1994, 2008 Q604 Errorless 22. Self Evaluation Test_Fungi MCQ
A plant example in which reproductive structures lack a layer of sterile vegetative cells surrounding the egg [NCERT Pg. No. 17]
A.
Funaria
B.
Riccia
C.
Saccharomyces
D.
Cycas
MP PMT 1994 Q605 Errorless 23. Viruses_Viruses MCQ
The Tobacco mosaic virus was crystallized for first time by
A.
W.M. Stanley
B.
E. C. Stackmann
C.
A. K. Smith
D.
Ivanowski
CPMT 1994; MP PMT 1995, 98, 2000; CBSE PMT 1997; Pb. PMT 2000; BHU 2005 Q606 Errorless 23. Viruses_Viruses MCQ
The genetic material in viruses is
A.
Only RNA
B.
Only DNA
C.
RNA and DNA both
D.
RNA or DNA i.e. one nucleic acid in a virus
BHU 1994; BVP 2003 Q607 Errorless 23. Viruses_Viruses MCQ
The part of the virus which gives to it the hereditary feature, is
A.
Capsid
B.
Capsomere
C.
Nucleic acid
D.
Nucleotide
MP PMT 1994; CPMT 1996 Q608 Errorless 23. Viruses_Viruses MCQ
Plant virus was first crystallized by
A.
Pirie
B.
Bawden
C.
Stanley
D.
Beijerinck
CPMT 1994; Pb. PMT 2000 Q609 Errorless 23. Viruses_Viruses MCQ
Bacteriophage is made up of [NCERT Pg. No. 20]
A.
Carbon and nitrogen
B.
DNA
C.
Nucleoprotein (Nucleic acid + protein)
D.
Protein only
CMC Vellore 1994; MP PMT 1998; MHCET 2000; BVP 2000, 04 Q610 Errorless 23. Viruses_Viruses MCQ
Interferon suppresses the pathogenic activity of
A.
Bacteria
B.
Viruses
C.
Protozoans
D.
Helminths
MP PMT 1994, 99, 2003, 09; CBSE PMT 1998; AIIMS 2000, 13 Q611 Errorless 24. Critical Thinking_Viruses MCQ
AIDS virus contains or Human immuno deficiency (HIV) virus has protein coat and genetic material which is
A.
Single stranded RNA with protein
B.
Double stranded RNA
C.
Single stranded DNA with protein
D.
Double stranded DNA
CBSE PMT 1993 Q612 Errorless 1. Shape and nutrition of bacteria_Monera MCQ
In Escherichia coli
A.
An organised nucleus is present
B.
One chromosome is present
C.
One DNA molecule is present
D.
One RNA molecule is present
CBSE PMT 1993, 99 Q613 Errorless 2. Life cycle/Reproduction in bacteria_Monera MCQ
Transformation experiments using Pneumococcus bacteria led to the hypothesis that
A.
DNA is the genetic material
B.
Bacteria have sexual reproduction
C.
Chromosomes are made up of DNA
D.
RNA is the transfer link
CMC Vellore 1993 Q614 Errorless 11. Protozoa_Protists MCQ
Class sporozoa of phylum protozoa is characterised by
A.
Flagella
B.
Cilia
C.
Parasitism
D.
None of these
CPMT 1993; DPMT 2001; CBSE PMT 2004; KCET 2010, 11 Q615 Errorless 11. Protozoa_Protists MCQ
When a fresh-water protozoan possessing a contractile vacuole, is placed in a glass containing marine water, the vacuole will
A.
Increase in size
B.
Decrease in size
C.
Increase in number
D.
Disappear
CBSE PMT 1993 Q616 Errorless 12. Critical Thinking_Protists MCQ
If all ponds and puddles are destroyed, the organism likely to be destroyed is
A.
Leishmania
B.
Trypanosoma
C.
Ascaris
D.
Plasmodium
CBSE PMT 1993; CMC Vellore 1993; MP PMT 2000 Q617 Errorless 15. Fungi_General_Fungi MCQ
All fungi can be called as
A.
Heterotrophs
B.
Autotrophs
C.
Saprophytes
D.
Parasites
AFMC 1993 Q618 Errorless 16. Mucor and Rhizopus_Fungi MCQ
Mode of nutrition in Rhizopus is
A.
Parasitic
B.
Symbiotic
C.
Saprophytic
D.
Autotrophic
CPMT 1993, 94, 2004; BHU 1994, 2001; Pb. PMT 1999; DPMT 2003, 06; RPMT 2006 Q619 Errorless 18. Lichen and Mycorrhiza_Fungi MCQ
'Mycorrhizae' are useful for plants mainly due to their following attribute [NCERT Pg. No. 16]
A.
Fixing atmospheric nitrogen
B.
Enhanced absorption of nutrients from soil
C.
Killing insects and pathogens
D.
Providing resistance against abiotic stresses
AFMC 1993; BVP 2000 Q620 Errorless 20. Critical Thinking_Fungi MCQ
Fungi can be stained by
A.
Safranine
B.
Iodine
C.
Lactophenol
D.
Cotton blue
MP PMT 1993; RPMT 1997; BVP 2001, 02 Q621 Errorless 22. Self Evaluation Test_Fungi MCQ
Heterothallism in Mucor was first reported by
A.
Robert Hooke
B.
Blakeslee
C.
Louis Pasteur
D.
Flemina
CPMT 1993, 94; BHU 1999; MP PMT 1999 Q622 Errorless 22. Self Evaluation Test_Fungi MCQ
Yeast is important source of
A.
Proteins
B.
Riboflavin
C.
Vitamin C
D.
Sugars
CMC Vellore 1993 Q623 Errorless 23. Viruses_Viruses MCQ
In phage (plaque) culture
A.
Only protein of virus enters and multiplies
B.
Only DNA of virus enters the bacterium and multiplies
C.
Whole virus enters the bacterium and multiplies
D.
None of these
DPMT 1993 Q624 Errorless 23. Viruses_Viruses MCQ
An extreme example of latency in which DNA of the phage is integrated with the DNA of host cell chromosome is
A.
Lysis
B.
Lysogeny
C.
Attenuated virus
D.
Prophage
AIIMS 1993; BVP 2003 Q625 Errorless 23. Viruses_Viruses MCQ
Which of the following was used by Hershey and Chase to prove that DNA is the chemical basis of heredity
A.
TMV
B.
Cauliflower mosaic virus
C.
Dahlia mosaic virus
D.
T, bacteriophage