Question Bank
JSSC PGT Teacher Biology Exam Paper II - English
Duration: 180 ยท Questions: 150 ยท Max Marks: 150 ยท Language: 3
Botany
1
Plant viruses usually contain :
2
Viruses were discovered by :
3
Which statement best defines viruses?
4
Which infectious agents consist essentially of small, naked RNA molecules without a protein coat?
5
Coliphage f X 174 contains :
6
Viruses differ from living organisms in that, they :
7
Virus which attacks E.coli is called :
8
Which characteristic distinguishes viruses from cellular organisms?
9
The genome of a temperate bacteriophage integrated into the bacterial chromosome is termed as?
10
Virus was crystallized and isolated first by :
11
Little leaf disease of brinjal is primarily associated with which pathogen?
12
Which approximate size range includes many of the smallest known conventional virus particles?
13
Which of the following is devoid of protein coat, with a constitution of RNA only ?
14
Genetic modification brought about by a virus in a bacteria is known as :
15
Which property makes the classification of viruses as strictly living or non-living problematic?
16
Influenza viruses contain which type of genetic material?
17
Edward Jenner is best known for pioneering vaccination against which disease?
18
Roux Sarcoma virus contains :
19
Which of the following is a viral disease of potato ?
20
The term Virus' has been derived from a Latin word meaning :
21
Which of the following is an example of DNA containing plant virus ?
22
Rabies is caused by :
23
A clear area produced when bacteriophages lyse bacterial cells growing on a culture medium is called a?
24
An antiviral substance produced by many vertebrates in response to viral infection for resisting the multiplication of viruses is known as :
25
Viruses with two types of symmetry, i.e., icosahedral head and helical tail are called :
26
Which of the following is a Capsid ?
27
A stage in the replication of virus, when the cell wall of host is ruptured is known as :
28
Which metabolic capability is absent in viruses?
29
The exception to the cell theory of Schleiden and Schwann are :
30
An extreme example of latency in which the DNA of the phage is integrated with the DNA of host cell chromosome is :
31
Which feature is characteristic of all viruses?
32
One of the following discovered synthesis of DNA from RNA in Roux Sarcoma Virus :
33
Which component is present in both a bacteriophage and a yeast cell?
34
Transduction was discovered by :
35
Viral DNA incorporated in host DNA is known as :
36
Most antibiotics have no direct effect on viruses primarily because?
37
Dahlia mosaic virus contains :
38
The disease in man caused by viruses is :
39
Where is the protein for protein coat of virus synthesized ?
40
A virus contains
41
Which of the following does not contain DNA ?
42
Which tissue-culture technique is commonly used to obtain virus-free plants from systemically virus-infected stock?
43
Which property provides evidence for the biological activity of viruses inside suitable host cells?
44
In classical virus classification, a cryptogram was designed primarily to provide coded information about which features?
45
Which term describes a genetic element capable of existing autonomously as well as becoming integrated into a host chromosome?
46
Tissue culture is used in research of...... extensively .
47
The protein coat of a virus is made up of
48
Which of the following is not a viral disease of man ?
49
Double stranded RNA viruses are known as :
50
The viruses that infect blue green algae are called :
51
52
Which region of a plant is commonly exploited in meristem culture to obtain virus-free plants?
53
Which size range broadly encompasses many conventional virus particles?
54
A viral DNA can be made radioactive by :
55
Which of the following is generally the largest in virion dimensions?
56
Who first reported bacteriophages in 1915?
57
"DNA is the hereditary material of bacteriophages" was proved by :
58
The genetic material of poliovirus is :
59
The genome of a temperate bacteriophage integrated into the bacterial chromosome is called a?
60
In a bacteriophage, DNA is located in its
61
Animal viruses enter their host cell by a process known as
62
If a virus has RNA instead of DNA :
63
Why is vegetative propagation particularly important in the transmission of many plant viruses?
64
Which cyanophage is known for infecting cyanobacteria belonging to more than one host genus?
65
Mosaic disease of sugarcane is caused by :
66
A substance that kills viruses is :
67
In a virus infected plant, the viruses are translocated through :
68
Who first crystallized tobacco mosaic virus?
69
Which statement about viruses is incorrect?
70
During infection of Escherichia coli by bacteriophage T2, which viral component enters the bacterial cell?
71
Acquired Immuno-Deficiency Syndrome is caused by :
72
73
Mosaic of sugarcane is caused by :
74
Which statement about viruses is incorrect?
75
Which feature of bacteriophages made them particularly useful in classic experiments on the nature of genetic material?
Zoology
1
What generally happens to contractile-vacuole activity when a freshwater Amoeba is transferred to a sufficiently hypertonic saline solution?
2
What is the median adhesive pad located between the two terminal claws of a cockroach leg called?
3
The binomial system of Carolus Linnaeus was devoid of which of the following categories ?
4
The mouthparts of a cockroach are adapted primarily for which mode of feeding?
5
Which mosquito is the biological vector responsible for natural transmission of human malaria?
6
Amniota group includes :
7
Which combination correctly represents the principal mouthparts of a cockroach?
8
In a typical winged insect, the two pairs of wings are borne on which thoracic segments?
9
Which is true ?
10
Which sequence correctly represents the general forward flow of haemolymph through the dorsal vessel of a cockroach?
11
What are the dorsal sclerites of the three thoracic segments of an insect collectively called?
12
Amniotes do not include :
13
Which vector transmits visceral leishmaniasis or kala-azar?
14
What are the corpora allata of a cockroach?
15
The group amniota includes :
16
Wingless insects, with abdominal appendages in the adult, are put under the sub - class :
17
In cockroach, the type of metamorphosis is :
18
In which kingdom prokaryotic organisms were placed by Whittaker ?
19
Approximately how many eggs may a female Anopheles mosquito lay in a single batch?
20
A dorsal sclerite of cockroach is called :
21
Concern with nomenclature of organisms :
A - Whittaker, B - Strickland
A - Whittaker, B - Strickland
22
In mosquitoes and other true flies, the hindwings are modified into which balancing organs?
23
In the male cockroach, the paired testes are situated approximately in which abdominal segments?
24
According to five kingdom classification, Protozoa are placed in :
25
Which honeybee larvae continue to receive abundant royal jelly beyond the initial larval feeding period?
26
Which feature most readily distinguishes an adult male mosquito from an adult female mosquito?
27
Which taxonomic rank is placed above kingdom in the commonly used modern hierarchy?
28
Silk glands are modified :
29
Which statement correctly identifies a hermit crab?
30
Under Whittaker's five-kingdom classification, Mycoplasma is placed in which kingdom?
31
Mushroom gland is a part of reproductive organs of :
32
Lac is a produce of :
33
Who is principally credited with formalizing and consistently applying binomial nomenclature in biological taxonomy?
34
"Walking - worm" is the common name of :
35
True and complete metamorphosis is found in :
36
Animals in which mouth develops opposite to blastopore, are called :
37
How many pairs of spiracles are normally present in an adult cockroach?
38
The hairs or bristles of insects are the derivatives of epidermal cells and :
39
Who independently introduced the term "biology" in its modern scientific sense in 1802?
40
Under bright-light conditions, what type of visual image is characteristically produced by an apposition compound eye?
41
Stomodeal value incockroch is situated between :
42
Herbivorous sea mammals belong to order :
43
Which mosquito sits making an acute angle ?
44
Yellow fever is transmitted by :
45
Proterospongia is currently recognized as a member of which group?
46
The labium in cockroach is formed by :
47
The vector for the viral Dengue fever is :
48
The common units of classification are (i) Genus (ii) family (iii) species (iv) order (v) variety. Their correct sequence starting from smallest is :
49
The larva of houseflies is known as maggot. It lives in environment of :
50
Eggs of Anopheles are :
51
Identify the group in the following having all animals belonging to the same class :
52
The housefly can feed upon many things. It cannot feed till it is in :
53
Rhabdome is present in :
54
Which scientist is regarded as a founder of vertebrate palaeontology and demonstrated from fossils that extinction had occurred?
55
Basic unit of eye of cockroach/insects is :
56
Long and stout legs of grasshopper adapted for jumping are :
57
The zoological term Mollusca is derived from a Latin word referring primarily to which characteristic?
58
Green glands are :
59
The body cavity of cockroach is :
60
The book 'Origin of species' was published in :
61
Why does the haemolymph of a cockroach normally play little or no direct role in transporting respiratory oxygen?
62
Metamerically segmented, bilaterally symmetrical animals characteristically bearing jointed appendages belong to which phylum?
63
Aplysia belongs to the class :
64
The mosquito that lays eggs singly on water surface is :
65
What are the dorsal sclerotized plates of the abdominal segments of a cockroach called?
66
Linnaeus published his concept of binomial nomenclature first in :
67
Alary muscles in insects are :
68
Legs of cockroach adapted for fast running are also known as :
69
Which naturalist gave an influential early biological definition of species based on the production of similar offspring?
70
Blood does not transport oxygen in :
71
Which paired structures of the female mosquito's piercing fascicle have serrated tips that help penetrate the host's skin?
72
The first phylum of animal kingdom to exhibit bilateral symmetry is :
73
The middle part of the proboscis of housefly is known as
74
Which of the following is a social insect ?
75
Father of taxonomy is :