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Which of the following is incorrectly matched ?

General Science Biology Botany Class 12th NEET UG NEET UG Preparation

Q. 23 of Quiz-1457 (Que-ID : 3366)

Which of the following is incorrectly matched ?

  • Black rot of crucifers Bacteria
  • Brown rust of wheat Fungi
  • Late blight of potato Virus
  • Red rot of sugarcane Fungi

Ans → (c)Late blight of potato Virus

Explanation → Late blight of potato Virus

This question is taken from this post → Strategies for Enhancement in Food Production : Class 12th Biology Practice Test | MCQs for NEET - attemp/practice


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Q. 1 of Quiz-1457 (Que-ID : 3344)

Aquaculture does not include

  • prawns
  • fishes
  • silkworms
  • shell fishery

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Q. 2 of Quiz-1457 (Que-ID : 3345)

Which of the following is correctly matched ?

  • Sericulture – Fish
  • Aquaculture – Mosquito
  • Apiculture – Honeybee
  • Pisciculture – Silkmoth

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Q. 3 of Quiz-1457 (Que-ID : 3346)

Germplasm collection is the collection of

  • germ cells
  • semens
  • plants/seeds with all the diverse alleles for all genes
  • egg cells

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Q. 4 of Quiz-1457 (Que-ID : 3347)

Major percentage of India’s Gross Domestic Product is constituted by

  • industry
  • agriculture
  • export
  • small scale cottage industry

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Q. 5 of Quiz-1457 (Que-ID : 3348)

The Noble Laureate, who developed semi-dwarf wheat varieties in Mexioc was

  • norman E. Borlaug
  • herbert Boyer
  • William Harvey
  • Typhoid Mary

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Q. 6 of Quiz-1457 (Que-ID : 3349)

Jaya and Ratna are the semi-dwarf varieties of

  • wheat
  • rice
  • cowpea
  • mustard

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Q. 7 of Quiz-1457 (Que-ID : 3350)

The term “inbreeding depression” is related to

  • increased fertility and productivity
  • increased milk production
  • reduced fertility & productivity
  • reduced milk production

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Q. 8 of Quiz-1457 (Que-ID : 3351)

Continued inbreeding, especially close inbreeding generally results in

  • inbreeding depression
  • inbreeding stimulation
  • inbreeding hybridisation
  • inbreeding mutation

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Q. 9 of Quiz-1457 (Que-ID : 3352)

The breeding carried out between animals of different breeds is called

  • out-crossing
  • cross-breeding
  • inbreeding
  • both (a) and (b)

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Q. 10 of Quiz-1457 (Que-ID : 3353)

Which of the following is an example of a cross-breed ?

  • Mule
  • Hilsa
  • Hisardale
  • Sahiwal

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Q. 11 of Quiz-1457 (Que-ID : 3354)

Hisardale is a new breed of sheep developed in Punjab by crossing

  • Merino ram and Bikaneri ewe
  • Assel ram and White leghorn ewe
  • Rhode Island ram and White leghorn ewe
  • Cochin ram and Ghagus ewe

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Q. 12 of Quiz-1457 (Que-ID : 3355)

Crossing of individuals of two different species to produce a hybrid is called

  • interspecific hybridisation
  • intervarietal hybridisation
  • intergeneric hybridisation
  • intravarietal hybrididisation

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Q. 13 of Quiz-1457 (Que-ID : 3356)

Artificial insemination involves

  • super ovulation
  • semen collection
  • egg collection
  • embryo collection

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Q. 14 of Quiz-1457 (Que-ID : 3357)

Artificial breeding of cattle is brough about by

  • artiticial insemination
  • super ovulation and embryo transplantation
  • MOET
  • all of these

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Q. 15 of Quiz-1457 (Que-ID : 3358)

MOET stands for

  • Multiple Ovulation and Egg transfer Technology
  • Multiple Ovary and Embryo Transfer Technology
  • Multiple Ovulation Embryo Transfer Technology
  • Method of Egg Transfer Technology

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Q. 16 of Quiz-1457 (Que-ID : 3359)

Multiple ovulation embryo transfer technology is related to

  • transfer of super embryo
  • transfer of super eggs
  • super ovulation and embryo transfer
  • both (a) and (b)

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Q. 17 of Quiz-1457 (Que-ID : 3360)

Lean meat’ is cosidered to be of high quality because it has

  • lesser but easily digestible protein
  • lesser lipid content
  • more fat that makes the meqt softer
  • longer table life due to lesser chances of infection

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Q. 18 of Quiz-1457 (Que-ID : 3361)

In livestock breeding experiments, which of the following stages is transferred to surrogate mothers ?

  • Unfertilised eggs
  • Fertilised eggs
  • 8 to 32 celled embryo
  • Frozen semen

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Q. 19 of Quiz-1457 (Que-ID : 3362)

The term ‘apiculture’ refers to

  • tissue culture
  • pisciculture
  • bee-keeping
  • animal-keeping

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Q. 20 of Quiz-1457 (Que-ID : 3363)

Which of the following plays a role in indigenous system of medicine ?

  • Plant breeding
  • Fisheries
  • Apiculture
  • MOET

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Q. 21 of Quiz-1457 (Que-ID : 3364)

In honey, the main constituent is

  • calcium
  • sugar
  • protein
  • water

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Q. 22 of Quiz-1457 (Que-ID : 3365)

Turnip mosaic disease is caused by

  • bacteria
  • viruses
  • nematodes
  • fungi

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Q. 23 of Quiz-1457 (Que-ID : 3366)

Which of the following is incorrectly matched ?

  • Black rot of crucifers Bacteria
  • Brown rust of wheat Fungi
  • Late blight of potato Virus
  • Red rot of sugarcane Fungi

Discuss View Answer

Q. 24 of Quiz-1457 (Que-ID : 3367)

Which of the following dieases is caused by bacteria ?

  • Tobacco mosaic
  • Black rot of crucifers
  • Red rot of sugarcane
  • Late blight of potato

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Q. 25 of Quiz-1457 (Que-ID : 3368)

Black rust of wheat is caused by

  • Puccinia
  • Albugo
  • Ustilago
  • Cystopus

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More MCQs In - General Science Biology Botany Class 12th NEET UG NEET UG Preparation

Q. 21 of Quiz- (Que-ID : 2889)

Which of the following is correct regarding HIV, hepatitis B, gonorrhoea, trichomoniasis ?

  • Trichomoniasis is an STD whereas others are not.
  • Gonorrhoea is a viral disease whereas others are bacterial
  • HIV is a pathogen whereas others are diseases
  • Hepatitis B is eradicated completely whereas others are not

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Q. 2 of Quiz- (Que-ID : 2995)

Cell plate grows from

  • walls to the centre
  • centre to the walls
  • in patches
  • simultaneously

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Q. 7 of Quiz- (Que-ID : 3025)

Which one is incorrect?

  • Epiblast is presumptive ectoderm and mesoderm
  • Hypoblast is presumptive endoderm
  • Hypoblast is presumptive mesoderm
  • Upper layer of cells in blastoderm is epiblast

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Q. 10 of Quiz- (Que-ID : 2928)

Haplodiploidy is found in

  • grasshoppers and cockroaches
  • birds and reptiles
  • butterflies and moths
  • honeybees, ants and waspe.

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Q. 18 of Quiz- (Que-ID : 3086)

Which of the following process (C4 cycle) occurs in bundle sheath cells?

  • Regeneration
  • Fixation
  • Carboxylation
  • Decarboxylation

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Q. 8 of Quiz- (Que-ID : 3376)

Which one of the following can be used as biofertiliser in cotton field ?

  • Azolla-Anabaena
  • Streptococcus
  • Azospirillum
  • Azotobacter chroococcum

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Q. 22 of Quiz- (Que-ID : 2715)

Scapula is present in which girdle

  • Pelvic
  • Pectoral
  • Both a and b
  • None of the above

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Q. 13 of Quiz- (Que-ID : 2681)

Which among the following plays imp role in clotting

  • mg2+
  • Ca2+
  • Na+
  • Mn2+

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Q. 21 of Quiz- (Que-ID : 2634)

Which is not the part of stomach

  • Cardiac
  • Pyloric
  • Funds
  • Ileum

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Q. 7 of Quiz- (Que-ID : 1716)

Disease transmitted by the head louse is-

  • Plague
  • rabies
  • typhoid
  • scurvy

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Q. 12 of Quiz- (Que-ID : 2855)

Indentify the wrong statement regarding post-fertilisation development

  • The ovary wall develops into pericarp.
  • The outer integument of ovule develops into tegmen
  • The fusion nucleus (triple nucleus) develops into endosperm.
  • The ovule develops into seed.

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Q. 20 of Quiz- (Que-ID : 3188)

Which is not a part of reproductive system of female cockroach?

  • Phallic gland
  • Vestibulum
  • Gonapophyses
  • Collaterial glands

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Q. 20 of Quiz- (Que-ID : 2963)

Histone proteins are

  • basic, negatively charged
  • basic, positively charged
  • acidic, positively charged
  • acidic, negatively charged

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Q. 18 of Quiz- (Que-ID : 3361)

In livestock breeding experiments, which of the following stages is transferred to surrogate mothers ?

  • Unfertilised eggs
  • Fertilised eggs
  • 8 to 32 celled embryo
  • Frozen semen

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Q. 22 of Quiz- (Que-ID : 3540)

The agents that bring undesirable changes in the environment arc called

  • Pollution
  • Fragments
  • Pollutants
  • None of the above

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Q. 18 of Quiz- (Que-ID : 3336)

The term ‘antitoxin’ refers to a preparation containing

  • B-lymphoctyes and T-lymphocytes
  • antibodies to the toxin
  • weakend pathogen
  • inactivated T-lymphocytes.

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Q. 12 of Quiz- (Que-ID : 3005)

Choose the correct sequence. A. Pachytene B. Zygotene C. Leptotene D. Diakinesis E. Diplotene

  • C, B, A, D, E
  • C, A, B, E, D
  • C, B, A, E, D
  • D, B, C, E, A

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Q. 14 of Quiz- (Que-ID : 3532)

Bluebaby syndrome results from

  • Excess of TDS
  • Excess of DO
  • Excess of chloride
  • Methaemoglobin

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Q. 1 of Quiz- (Que-ID : 2994)

Golgi complex and endoplasmic reticulum cannot be seen during

  • late telophase
  • late prophase
  • early anaphase
  • late metaphase

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Q. 2 of Quiz- (Que-ID : 3095)

Function of zinc is

  • Closing of stomata
  • Biosynthesis of 3-IAA
  • Synthesis of chlorophyll
  • Oxidation of carbohydrate

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Q. 14 of Quiz- (Que-ID : 3282)

In gymnosperms, the development of pollen grains occurs in

  • Strobili
  • Microsporangia
  • Megasporangia
  • Macrosporangia

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Q. 15 of Quiz- (Que-ID : 2628)

Maltase converts maltose into

  • glucose+ glucose
  • Glucose + fructose
  • Glucose + galactose
  • Fatty acids+ glycerol

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Q. 12 of Quiz- (Que-ID : 3480)

That animal who can bear one third loss of water of one third body weight is

  • Necturus
  • Camel
  • Wall Lizzard
  • Kyton

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Q. 23 of Quiz- (Que-ID : 3341)

Elephantiasis, a chronic inflammation that results in gross deformities is caused by

  • Ascaris
  • E.coli
  • Wuchereria
  • Trichophyton

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Q. 12 of Quiz- (Que-ID : 2855)

Indentify the wrong statement regarding post-fertilisation development

  • The ovary wall develops into pericarp.
  • The outer integument of ovule develops into tegmen
  • The fusion nucleus (triple nucleus) develops into endosperm.
  • The ovule develops into seed.

Discuss View Answer

Q. 13 of Quiz- (Que-ID : 3306)

Hardy-Weinberg equilibrium is known to be affected by gene flow, genetic drift mutation, genetic recombination and

  • evolution
  • limiting facrtors
  • saltation
  • natural selection

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Q. 22 of Quiz- (Que-ID : 3015)

Division of nucleus without being followed by cytokinesis results into

  • Phargmoplast
  • Polyploidy
  • Uninucleate condition
  • Multinucleate condition

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Q. 13 of Quiz- (Que-ID : 3531)

Minimata disease is caused by

  • ByChromium
  • By Cadmium
  • By Methyl mercury
  • By Radioactive elements

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Q. 14 of Quiz- (Que-ID : 2832)

Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because

  • nodes are shorter than intemodes
  • nodes have meristematic cells
  • nodes are located near the soil
  • nodes have non-photosynthetic cells.

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Q. 10 of Quiz- (Que-ID : 2803)

When a neuron is in resting state i.e. not conducting any impulse, the axonal membrane is

  • Comparatively more permeable to K+ ions and nearly impermeable to Na+ ions
  • Comparatively more permeable to Na+ ions and nearly impermeable to K+ ions
  • Equally permeable to both Na+ and K+ ions
  • Impermeable to both Na+ and K+ ions

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Q. 2 of Quiz- (Que-ID : 3395)

In genetic engineering experiments, restriction enzymes are used for

  • viral DNA
  • bacterial DNA
  • eukaryotic DNA
  • any type of DNA.

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Q. 6 of Quiz- (Que-ID : 3474)

Water co-deficient contains:

  • Large thin walled cells
  • Large-vacuoles
  • Membrane
  • All of these

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Q. 4 of Quiz- (Que-ID : 1713)

Which is collip's hormone?

  • Thyroxine
  • Parathormone
  • Insulin
  • Esterogen

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Q. 17 of Quiz- (Que-ID : 3410)

Restrictipn endonucleases are most widely used in recombinant DNA technology. They are obtained from

  • Plasmids
  • AH prokaryotic cells
  • Bacteriophages
  • Bacterial cells

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Q. 17 of Quiz- (Que-ID : 2885)

Which of the following is correct regarding the consequences of lower population ?

  • It increases the poverty of a country
  • It leads to shortage of food supply
  • It results in unemployment
  • All of these

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Q. 24 of Quiz- (Que-ID : 2993)

Vasa recta is present in which type of nephron

  • Cortical nephron
  • Juxta medullary nephron
  • Both a and b
  • None of the above

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Q. 12 of Quiz- (Que-ID : 3405)

In an experiment, recombinant DNA bearing ampicillin-resistance gene is transferred into E.coli cells. The host cells are then cultured on a medium containing ampicillin. The result will be

  • both transformants and non-transformants cannot survive
  • both transformants and non-transformants can survive.
  • transformants only and not the non-transformants can survive
  • transformants cannot survive, but non-transformants can not.

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Q. 14 of Quiz- (Que-ID : 3032)

The ability to regain or recover the lost or injured part of body is

  • Aging
  • Regeneration
  • Abnormal development
  • Primary inductio

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Q. 3 of Quiz- (Que-ID : 3496)

Project tiger in India was started in the year

  • 1973
  • 1981
  • 1985
  • 1986

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Q. 12 of Quiz- (Que-ID : 2980)

Bowman capsule with glomerulus is known as

  • Malphigian body
  • Renal corpuscle
  • Malphigian capsule
  • Both b and c

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Q. 16 of Quiz- (Que-ID : 2884)

Which of the following pairs contributes to an increase in population ?

  • Natality and immigration
  • Mortality and emigration
  • Natality and emigration
  • Mortality and immigration

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Q. 15 of Quiz- (Que-ID : 3533)

A mutagenic pollutant is:

  • Organophosphate
  • Resines
  • Hydrocarbons
  • Nitrogen oxides

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Q. 24 of Quiz- (Que-ID : 3167)

The introduction of t-DNA into plants involves

  • Altering the pH of the soil, then heat shocking the plants
  • Exposing the plants to cold for a brief period
  • Allowing the plant roots to stand in water
  • Infection of the plant by Agrobacterium tumefaciens

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Q. 20 of Quiz- (Que-ID : 2788)

Which of the following is correct?

  • Musca domestica Order ? Diptera Family ? Muscidae Phylum ? Arthropoda
  • Mangifera indica Order ? Sapindales Family ? Anacardiaceae Phylum ? Gymnospermae
  • Triticum aestivum Order ? Poles Family ? Monocotyledons Phylum ? Angiospermae
  • Panthera leo Order ? leo Family ? Felidae Phylum ? Mammalia

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Q. 19 of Quiz- (Que-ID : 2737)

Diatoms do not have

  • Indestructible cell wall
  • Cell wall are like soap box
  • Two thick overlapping cells
  • Release cell wall deposits

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Q. 4 of Quiz- (Que-ID : 3172)

Choose the incorrect statement.

  • Vascular system of frog is closed type.
  • Frogs have 4-chambered heart.
  • During aestivation and hibernation, skin acts as respiratory organ.
  • All the statements are correct

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Q. 23 of Quiz- (Que-ID : 3516)

The worst dangerous threat to wild life is by

  • Habitat destruction
  • Hunting
  • Overgrazing
  • Exotic species

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Q. 16 of Quiz- (Que-ID : 3409)

Golden rice is a promising transgenic crop. When released for cultivation, it will help in :

  • High lysin content
  • Pest resistance
  • High protien content
  • High vitamin A content

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