Question for JKPSC School Lecturer (Botany) 2026 - Quiz / Questions / MCQ

Objective Questions

Latest JKPSC School Lecturer Botany Exam Question (Objective Questions), MCQ in English

Subjects : General Knowledge :, General Knowledge, Botany

Question Bank JKPSC School Lecturer Botany Exam - English

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General Knowledge

Question 1Single Answer

Yojna a weekly journal

A
Ministry of Finance
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission

Question 2Single Answer

Kurukshetra a journal on rural development is published by

A
Ministry of Finance
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission

Question 3Single Answer

Devaluation of a currency means

A
Fixing the value of the currency in conjuction with the movement in the value of a basket of predetermined currencies
B
Reduction in the value of a currency vis-à-vis major internationally traded currencies
C
Fixing the value of currency in multilateral consultaion with the IMF the World Bank and major trading partners
D
Permitting the currency to seek its worth in the international market

Question 4Single Answer

In India rural incomes are generally lower than the urban incomes, which of the following reasons account for this
1. a large number of farmers are illiterate and know little about scientific agriculture
2. prices of primary products are lower than those of manufactured products
3. Investments in agriculture has been low when compared to investment in industry

A
1 and 3
B
2 and 3
C
1 and 2
D
1,2 and 3

Question 5Single Answer

Which of the following programmes aims at the promotion of savings among rural women

A
Rashtriya Mahila Kosh
B
Indira Mahila Yojna
C
Jawahar Rozgar Yojna
D
Mahila Samridhi Yojna

General Knowledge :

Question 6Single Answer

Which of the following is the earliest source of Kashmir

A
Shivadrishti
B
Rajtarangini
C
Nilmatpuran
D
Pratyabhijnasutra

Question 7Single Answer

How many megalithic sites have existed in pre-historic times in Kashmir ?

A
One
B
Three
C
Four
D
Two

Question 8Single Answer

Which is the first archaeological site in the country which revealed the existence of a Neolithic settlement in Kashmir region ?

A
Aihole
B
Lothal
C
Konark
D
Burzahom

Question 9Single Answer

which of the following are a few major invention of the Neolithic Era ?

A
Needles
B
Harpons
C
Hunting tools
D
All of these

Question 10Single Answer

When did the habilitation at Burzahom came to an end ?

A
AD 1300
B
1300 Bc
C
Ad 1400
D
1400 bC

Question 11Single Answer

Pandrethan, the old city of Srinagar was founded by

A
Ashoka
B
Gautam
C
Gondana I
D
Yudhistira

Question 12Single Answer

Which of the following place, the fourth Buddhist council was held ?

A
Patliputra
B
Uttar Pradesh
C
Kashmir
D
Kurukshetra

Question 13Single Answer

Who is known as the ‘Samudragupta of Kashmir’ ?

A
Gunavarman
B
Durlab vardhan
C
Lalitaditya
D
Sanghbuti

Question 14Single Answer

Which of the following king founded the Pravarsempura City of Srinagar ?

A
Parvasen I
B
Parvasena II
C
Ashoka
D
None of these

Question 15Single Answer

Kumarajiva was among the renowned Kashmiri Scholars who travelled to……

A
China
B
Afghan
C
Europe
D
None of these

Question 16Single Answer

When was the Constituent Assembly of India formed?

A
1946
B
1947
C
1948
D
1950

Question 17Single Answer

Who was the Chairman of the Drafting Committee of the Indian Constitution?

A
Dr. Rajendra Prasad
B
Dr. B.R. Ambedkar
C
Jawaharlal Nehru
D
Sardar Vallabhbhai Patel

Question 18Single Answer

The idea of the Constituent Assembly was first put forward by:

A
Mahatma Gandhi
B
M.N. Roy
C
Jawaharlal Nehru
D
Sardar Vallabhbhai Patel

Question 19Single Answer

The Cabinet Mission Plan for India was proposed in:

A
1942
B
1945
C
1946
D
1947

Question 20Single Answer

The Constitution of India was adopted on:

A
15th August 1947
B
26th January 1950
C
26th November 1949
D
30th January 1948

Question 21Single Answer

What is the lithosphere composed of ?

A
Water and gases
B
Rocks and minerals
C
Living organisms
D
Air and gases

Question 22Single Answer

The lithosphere includes :

A
Only the Earth's crust
B
The Earth's crust and upper mantle
C
Only the Earth's mantle
D
The Earth's crust, mantle, and core

Question 23Single Answer

Who is known as the "Missile Man of India"?

A
Dr. Homi J. Bhabha
B
Dr. Vikram Sarabhai
C
Dr. APJ Abdul Kalam
D
Dr. Satish Dhawan

Question 24Single Answer

Which organization is responsible for India's space exploration programs?

A
BARC
B
ISRO
C
DRDO
D
HAL

Question 25Single Answer

Which is the longest river in India?

A
Yamuna
B
Ganges
C
Brahmaputra
D
Godavari

Question 26Single Answer

Which Indian state launched the ‘Green Energy Villages’ initiative in 2025 to promote renewable energy?

A
Uttar Pradesh
B
Rajasthan
C
Tamil Nadu
D
Gujarat

Question 27Single Answer

Which organization developed the K-6 hypersonic Submarine-Launched Ballistic Missile (SLBM) tested in 2025?

A
ISRO
B
HAL
C
Bharat Dynamics Limited
D
DRDO

Question 28Single Answer

Which ministry established the Passport Seva Portal to streamline passport services in 2025?

A
Ministry of Home Affairs
B
Ministry of Corporate Affairs
C
Ministry of External Affairs
D
Ministry of Electronics and IT

Question 29Single Answer

What is the primary goal of the Digital Payment Intelligence Platform (DPIP) launched by the RBI in 2025?

A
Promote cash transactions
B
Enhance cybersecurity in digital payments
C
Reduce ATM usage
D
Increase bank branch networks

Question 30Single Answer

Which Indian state topped the vulture population census in 2025?

A
Rajasthan
B
Gujarat
C
Madhya Pradesh
D
Maharashtra

Botany

Question 31Single Answer

Plant viruses usually contain :

A
RNA
B
DNA
C
DNA and RNA
D
DNA or RNA

Question 32Single Answer

Viruses were discovered by :

A
Stanley
B
Ivanowski
C
Twort
D
Herelle

Question 33Single Answer

Which statement best defines viruses?

A
Acellular infectious agents that replicate only inside living host cells
B
Cellular microorganisms containing only DNA
C
Free-living microorganisms capable of independent metabolism
D
Cellular microorganisms containing only RNA

Question 34Single Answer

Which infectious agents consist essentially of small, naked RNA molecules without a protein coat?

A
Virions
B
Prions
C
Viroids
D
Bacteriophages

Question 35Single Answer

Coliphage f X 174 contains :

A
double stranded RNA
B
single stranded DNA
C
double stranded DNA
D
single stranded RNA

Question 36Single Answer

Viruses differ from living organisms in that, they :

A
can grow inside a living host
B
can multiply inside a living host
C
can undergo mutation inside a living host
D
are non-cellular

Question 37Single Answer

Virus which attacks E.coli is called :

A
bacteriophage
B
coliphage
C
phytophage
D
zoophage

Question 38Single Answer

Which characteristic distinguishes viruses from cellular organisms?

A
They possess ribosomes for protein synthesis
B
They have independent energy metabolism
C
They are acellular and depend on host cells for replication
D
They reproduce by binary fission

Question 39Single Answer

The genome of a temperate bacteriophage integrated into the bacterial chromosome is termed as?

A
Prophage
B
Episome
C
Plasmid
D
Capsomere

Question 40Single Answer

Virus was crystallized and isolated first by :

A
J.D. Ivanowski
B
F.C. Bawden
C
W.M. Stanley
D
K.M. Smith

Question 41Single Answer

Little leaf disease of brinjal is primarily associated with which pathogen?

A
Phytoplasma
B
Begomovirus
C
Fungus
D
Viroid

Question 42Single Answer

Which approximate size range includes many of the smallest known conventional virus particles?

A
20–30 nm
B
100–150 nm
C
500–700 nm
D
1–2 µm

Question 43Single Answer

Which of the following is devoid of protein coat, with a constitution of RNA only ?

A
Tobacco mosaic virus
B
Poxvirus
C
Potato spindle tuber virus
D
None of the above

Question 44Single Answer

Genetic modification brought about by a virus in a bacteria is known as :

A
transformation
B
transduction
C
conjugation
D
candidiasis

Question 45Single Answer

Which property makes the classification of viruses as strictly living or non-living problematic?

A
They reproduce independently outside cells
B
They possess cellular organelles but lack DNA
C
They replicate in host cells but are metabolically inactive outside them
D
They perform independent respiration outside host cells

Question 46Single Answer

Influenza viruses contain which type of genetic material?

A
Double-stranded DNA
B
Single-stranded RNA
C
Single-stranded DNA
D
Double-stranded RNA

Question 47Single Answer

Edward Jenner is best known for pioneering vaccination against which disease?

A
Smallpox
B
Chickenpox
C
Rabies
D
Poliomyelitis

Question 48Single Answer

Roux Sarcoma virus contains :

A
RNA
B
DNA
C
DNA and RNA
D
None of these

Question 49Single Answer

Which of the following is a viral disease of potato ?

A
Early blight of potato
B
Late blight of potato
C
Leaf roll of potato
D
None of the above

Question 50Single Answer

The term Virus' has been derived from a Latin word meaning :

A
poison
B
secretion
C
cell
D
venom

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Botany

Question 51Single Answer

Which of the following is an example of DNA containing plant virus ?

A
Tobacco mosaic virus
B
Potato mosaic virus
C
Cauliflower mosaic virus
D
Tomato mosaic virus

Question 52Single Answer

Rabies is caused by :

A
viruses
B
slime moulds
C
fungi
D
bacterium

Question 53Single Answer

A clear area produced when bacteriophages lyse bacterial cells growing on a culture medium is called a?

A
Plaque
B
Colony
C
Streak
D
Capsule

Question 54Single Answer

An antiviral substance produced by many vertebrates in response to viral infection for resisting the multiplication of viruses is known as :

A
antivirin
B
antigen
C
virion
D
interferon

Question 55Single Answer

Viruses with two types of symmetry, i.e., icosahedral head and helical tail are called :

A
picornaviruses
B
binal viruses
C
riboviruses
D
none of these

Question 56Single Answer

Which of the following is a Capsid ?

A
Protein part of virus
B
Nucleic part of virus
C
Both (a) and (b)
D
None of these

Question 57Single Answer

A stage in the replication of virus, when the cell wall of host is ruptured is known as :

A
lesion
B
lysis
C
autolysis
D
haemolysis

Question 58Single Answer

Which metabolic capability is absent in viruses?

A
Independent ATP-generating metabolism
B
Genetic mutation
C
Genome replication within a suitable host
D
Assembly of progeny virions inside host cells

Question 59Single Answer

The exception to the cell theory of Schleiden and Schwann are :

A
viruses
B
bacteria
C
algae
D
fungi

Question 60Single Answer

An extreme example of latency in which the DNA of the phage is integrated with the DNA of host cell chromosome is :

A
lysis
B
lysogeny
C
prophage
D
attenuated virus

Question 61Single Answer

Which feature is characteristic of all viruses?

A
They require living host cells for replication
B
They contain proteins but no nucleic acid
C
They replicate exclusively in the cytoplasm
D
They infect only bacterial cells

Question 62Single Answer

One of the following discovered synthesis of DNA from RNA in Roux Sarcoma Virus :

A
Smith
B
Temin
C
Twort
D
Mayer

Question 63Single Answer

Which component is present in both a bacteriophage and a yeast cell?

A
Nucleic acid
B
Mitochondria
C
Golgi apparatus
D
Endoplasmic reticulum

Question 64Single Answer

Transduction was discovered by :

A
Safferman and Morris
B
Lederberg and Zinder
C
Smith and Knight
D
None of these

Question 65Single Answer

Viral DNA incorporated in host DNA is known as :

A
prophage
B
vegephage
C
cyanophage
D
phycophage

Question 66Single Answer

Most antibiotics have no direct effect on viruses primarily because?

A
Viruses form antibiotic-resistant endospores
B
Viruses are larger than bacterial cells
C
Viruses lack the cellular structures and metabolic pathways targeted by antibiotics
D
Viruses possess impermeable cellulose walls

Question 67Single Answer

Dahlia mosaic virus contains :

A
DNA
B
RNA
C
DNA and RNA
D
None of these

Question 68Single Answer

The disease in man caused by viruses is :

A
mumps
B
cholera
C
typhoid
D
plague

Question 69Single Answer

Where is the protein for protein coat of virus synthesized ?

A
RNA of the virus
B
DNA of the virus
C
RNA of the host
D
Ribosome of the host

Question 70Single Answer

A virus contains

A
an outer protein coat and a central core of DNA or RNA
B
outer RNA or DNA and a central core of proteins
C
only nucleic acids
D
only protein coats

Question 71Single Answer

Which of the following does not contain DNA ?

A
T-2 bacteriophage
B
Dahlia mosaic virus
C
Roux sarcoma virus
D
All animal viruses

Question 72Single Answer

Which tissue-culture technique is commonly used to obtain virus-free plants from systemically virus-infected stock?

A
Shoot apical meristem culture
B
Mature xylem culture
C
Mature phloem culture
D
Pollen storage

Question 73Single Answer

Which property provides evidence for the biological activity of viruses inside suitable host cells?

A
Replication of their genetic material
B
Independent cellular respiration
C
Independent protein synthesis by ribosomes
D
Binary fission outside host cells

Question 74Single Answer

In classical virus classification, a cryptogram was designed primarily to provide coded information about which features?

A
Major properties of a virus and its genome
B
Only the colour of infected tissues
C
Only the geographical origin of a virus
D
Only the name of the virus discoverer

Question 75Single Answer

Which term describes a genetic element capable of existing autonomously as well as becoming integrated into a host chromosome?

A
Episome
B
Capsomere
C
Virion
D
Viroid

Question 76Single Answer

Tissue culture is used in research of...... extensively .

A
fungi
B
bacteria
C
algae
D
viruses

Question 77Single Answer

The protein coat of a virus is made up of

A
capsid
B
episome
C
protein
D
capsomeres

Question 78Single Answer

Which of the following is not a viral disease of man ?

A
Influenza
B
Whooping cough
C
Rabies
D
Small pox

Question 79Single Answer

Double stranded RNA viruses are known as :

A
riboviruses
B
reoviruses
C
ribovira
D
arboviruses

Question 80Single Answer

The viruses that infect blue green algae are called :

A
cyanophages
B
phages
C
phycophages
D
coliphage

Question 81Single Answer

Which region of a plant is commonly exploited in meristem culture to obtain virus-free plants?

A
Shoot apical meristem
B
Mature phloem
C
Secondary xylem
D
Cork cambium

Question 82Single Answer

Which size range broadly encompasses many conventional virus particles?

A
About 20–300 nm
B
About 2–10 nm
C
About 1–5 µm
D
About 10–50 µm

Question 83Single Answer

A viral DNA can be made radioactive by :

A
culturing the viruses in a medium of P32
B
by providing P3² to a bacterium infected by a virus
C
by providing P32 to viruses when they are about to attack a bacteria
D
Both (a) and (c)

Question 84Single Answer

Which of the following is generally the largest in virion dimensions?

A
Tobacco mosaic virus
B
Poxvirus
C
Herpesvirus
D
Poliovirus

Question 85Single Answer

Who first reported bacteriophages in 1915?

A
Félix d'Hérelle
B
Alfred Hershey
C
Joshua Lederberg
D
Frederick W. Twort

Question 86Single Answer

"DNA is the hereditary material of bacteriophages" was proved by :

A
Hershey and Chase
B
De Herelle
C
F. Griffith
D
De Barley

Question 87Single Answer

The genetic material of poliovirus is :

A
DNA
B
Single stranded RNA
C
Single stranded DNA
D
Double stranded RNA

Question 88Single Answer

The genome of a temperate bacteriophage integrated into the bacterial chromosome is called a?

A
Virion
B
Prophage
C
Capsomere
D
Plasmid

Question 89Single Answer

In a bacteriophage, DNA is located in its

A
head
B
tail
C
tail and head
D
tentacles

Question 90Single Answer

Animal viruses enter their host cell by a process known as

A
pinocytosis
B
viropexis
C
lysis
D
elimination

Question 91Single Answer

If a virus has RNA instead of DNA :

A
It cannot replicate
B
It cannot reproduce
C
RNA acts as genetic material
D
It can direct protein synthesis only

Question 92Single Answer

Why is vegetative propagation particularly important in the transmission of many plant viruses?

A
Infected vegetative material can directly carry viruses into new plants
B
All plant viruses are transmitted exclusively through seeds
C
Viruses survive only in dead plant tissues
D
Plant viruses cannot occur in vascular tissues

Question 93Single Answer

Which cyanophage is known for infecting cyanobacteria belonging to more than one host genus?

A
T2 phage
B
Lambda phage
C
LPP-1
D
M13 phage

Question 94Single Answer

Mosaic disease of sugarcane is caused by :

A
parasitic alga
B
bacterium
C
fungus
D
virus

Question 95Single Answer

A substance that kills viruses is :

A
viricide
B
virion
C
antibiotic
D
germicide

Question 96Single Answer

In a virus infected plant, the viruses are translocated through :

A
xylem vessels
B
sieve tubes
C
phloem vessels
D
cortex

Question 97Single Answer

Who first crystallized tobacco mosaic virus?

A
Wendell M. Stanley
B
Frederick W. Twort
C
Félix d'Hérelle
D
Dmitri Ivanovsky

Question 98Single Answer

Which statement about viruses is incorrect?

A
Their genomes consist of DNA or RNA
B
They can grow independently in a sugar solution
C
They require host cells for replication
D
They lack independent cellular metabolism

Question 99Single Answer

During infection of Escherichia coli by bacteriophage T2, which viral component enters the bacterial cell?

A
Only the protein coat
B
Primarily the phage DNA
C
The entire intact bacteriophage
D
Only the tail fibers

Question 100Single Answer

Acquired Immuno-Deficiency Syndrome is caused by :

A
Influenza Virus
B
Oncoenes
C
HIV
D
Mycobacterium

Question 101Single Answer

Mosaic of sugarcane is caused by :

A
algae
B
fungi
C
bacteria
D
virus

Question 102Single Answer

Which statement about viruses is incorrect?

A
They lack independent energy metabolism
B
They require living cells for replication
C
Their genome consists of DNA or RNA
D
They can grow independently in a dilute sugar solution

Question 103Single Answer

Which feature of bacteriophages made them particularly useful in classic experiments on the nature of genetic material?

A
Their DNA and protein components could be differentially labelled
B
They possess mitochondria
C
They reproduce by binary fission
D
They contain chlorophyll

Question 104Single Answer

For successful study of Morphology of viruses the Microscope used is :

A
polarizing
B
binocular
C
electron
D
simple

Question 105Single Answer

Which type of nucleic acid is found as the genome in many characterized mycoviruses?

A
Single-stranded DNA only
B
Double-stranded RNA
C
Double-stranded DNA only
D
Transfer RNA

Question 106Single Answer

Outside of the host cells, the viruses are simply non-living particles, known as :

A
virion
B
prophages
C
proviruses
D
algae

Question 107Single Answer

What is the genetic material of typical tailed cyanophages?

A
Double-stranded DNA
B
Protein
C
Ribosomal RNA
D
Transfer RNA

Question 108Single Answer

Which of the following disease is caused by a virus ?

A
Tuberculosis
B
Poliomyelitis
C
Diphtheria
D
Typhoid

Question 109Single Answer

Which feature historically contributed to bacteria being grouped with plants in older classification systems?

A
Presence of a rigid cell wall
B
Presence of a membrane-bound nucleus
C
Presence of chloroplasts in all species
D
Multicellular organization

Question 110Single Answer

Which environment typically contains an exceptionally diverse and abundant community of bacteria?

A
Sterile distilled water
B
Soil
C
Upper atmosphere
D
Freshly sterilized glassware

Question 111Single Answer

Germ theory of disease was proposed by :

A
Robert Koch
B
L. Pasteur
C
T. Boveri
D
F. Jacob

Question 112Single Answer

Escherichia coli is a bacterium which is a common inhabitant of :

A
fertile soil
B
water
C
human intestine
D
All of these

Question 113Single Answer

True nucleus is absent in :

A
fungi
B
algae
C
lichens
D
bacteria

Question 114Single Answer

Which group includes some of the smallest self-replicating cellular organisms?

A
Mycoplasma
B
Bacillus
C
Spirillum
D
Vibrio

Question 115Single Answer

The principal bacterial chromosome is composed primarily of which genetic material?

A
DNA
B
RNA
C
Protein
D
Peptidoglycan

Question 116Single Answer

Which of the following bacteria can oxidise hydrogen sulphide to sulphur ?

A
Rhizobium
B
Nitrosomonas
C
Beggiatoa
D
Nitrobacter

Question 117Single Answer

Bacteria which directly converts atmospheric nitrogen into nitrogen compounds are called :

A
Nitrifying bacteria
B
Nitrogen fixing bacteria
C
Denitrifying bacteria
D
Putrefying bacteria

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Latest JKPSC School Lecturer Botany Exam Question (Objective Questions), MCQ in English

General Knowledge

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Botany

JKPSC School Lecturer Botany Exam Online Question Bank Package

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