MP PMT Botany 2010

Total Questions:50 Total Time: 75 Min

Remaining:

 

Questions 1 of 50

Question:The term biosystematics was coined by

Answers Choices:

Bentham and Hooker

Linnaeus

Engler and Prantl

Camp and Gilly

Questions 2 of 50

Question:The first seed plants appeared during

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Silurian era

Devonian era

Carboniferous era

Cretaceous era

Questions 3 of 50

Question:'Transgenic' plants are produced by

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Inducing gene mutation

Arresting spindle fibre formation

Deleting sex chromosomes

Introduction of foreign genes

Questions 4 of 50

Question:DNA synthesis during replication is

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Discontinuous

Continuous

Semi-discontinuous

None of the above

Questions 5 of 50

Question:Crossing over may result in

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Addition of genetic material

Deletion of genetic material

Exchange of genetic material

All the above

Questions 6 of 50

Question:In coconut fruit, the hard shell is

Answers Choices:

Endocarp

Fused structure of mesocarp and endocarp

Fused structure of epicarp and mesocarp

Epicarp

1 and 2 are correct

Questions 7 of 50

Question:Clove oil is obtained from

Answers Choices:

Wood of Santalum album

Leaf of Syzygium aromaticum

Flower bud of Syzygium aromaticum

Rhizome of Vetiveria zizanoides

Questions 8 of 50

Question:Citrus canker is caused by

Answers Choices:

Micrococcus

Xanthomonas

Diplococcus

Streptococcus

Questions 9 of 50

Question:Air polluting gasses caused acid rains contain

Answers Choices:

\({\text{C}}{{\text{O}}_{\text{2}}}\) and \({\text{C}}{{\text{l}}_{\text{2}}}\)

\({\text{C}}{{\text{O}}_{\text{2}}}\) and \({{\text{O}}_{\text{3}}}\)

\({\text{S}}{{\text{O}}_{\text{2}}}\)and \({\text{N}}{{\text{O}}_{\text{2}}}\)

CFC and \({\text{C}}{{\text{O}}_{\text{2}}}\)

Questions 10 of 50

Question:From which of the following parts of the plant is opium obtained

Answers Choices:

New leaves

Roots

Unripe capsule

Seeds

Questions 11 of 50

Question:The process of photosynthesis is most active in

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Blue light

Green light

Red light

White light

Questions 12 of 50

Question:The apparatus used to measure the rate of transpiration is known as

Answers Choices:

Porometer

Potometer

Lux meter

Altimeter

Questions 13 of 50

Question:In which of the following kinds of ovules, the enbryosac is horse-shoe shaped

Answers Choices:

Hemitropous ovule

Orthotropous ovule

Amphitropous ovule

Circintropous ovule

Questions 14 of 50

Question:The female gametophyte is angiosperms is

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Carpel

Ovule

Embryo sac

Egg

Questions 15 of 50

Question:Turpentine oil is derived from

Answers Choices:

Pinus

Cycas

Cedrus

Abies

Questions 16 of 50

Question:Which of the following is not a bryophyte

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Pteris

Funaria

Porella

Pellia

Questions 17 of 50

Question:In which era did life originate

Answers Choices:

Precambrian

Proterozoic

Mesozoic

Coenozoic

Questions 18 of 50

Question:Periderm comprises of

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Phellem

Phellogen

Phelloderm

All of the above

Questions 19 of 50

Question:Isomorphic alternation of generations is found in

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Oedogonium

Chara

Vaucheria

Ectocarpus

Questions 20 of 50

Question:The fungus, commonly known as bread mould is

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Alternaria

Rhizopus

Penicillium

Aspergillus

Questions 21 of 50

Question:'The lock and key principle' is related to

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Chemical action

Hormonal action

Enzyme action

Dark reaction

Questions 22 of 50

Question:The transitional zone between two district communities is knows as

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Ecosphere

Ecotone

Ecocline

Rhizosphere

Questions 23 of 50

Question:In India, tropical rain forests occur in

Answers Choices:

Jummu Kashmir

Andamans

Uttar Pradesh

Himachal Pradesh

Questions 24 of 50

Question:Pollution in big cities can be controlled to a large extent by

Answers Choices:

Wide roads and factories away from the city

Cleanliness drive and proper use of pesticides

Proper sewage and proper exit of chemicals from factories

All the above

Questions 25 of 50

Question:The most important element associated with protoplasm and proteinaceous materials of plants is

Answers Choices:

Oxygen

Sulphur

Potassium

Nitrogen

Questions 26 of 50

Question:The ultimate biological unit which controls heredity is called

Answers Choices:

Genome

Chromosomes

Genotype

Gene

Questions 27 of 50

Question:The theory of 'Germ plasm' for organic evolution was put forward by

Answers Choices:

Darwin

Lamarck

Weisman

Muller

Questions 28 of 50

Question:Hargovind Khorana is known for

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Discovery of DNA structure

Synthesis of protein

Discovery of DNA ligase enzyme

Discovery of tRNA

Questions 29 of 50

Question:For making important contributions is respect of the nature of gene, the Noble Prize was rewarded to

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T. H. Morgan

De Vries

H.J. Muller

Darwin

Questions 30 of 50

Question:Botanical generic name of bladderwort is

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Drocera

Nepenthes

Utricularia

Dionaea

Questions 31 of 50

Question:During photosynthesis, \({{\text{O}}_{\text{2}}}\) evolved from

Answers Choices:

C\({{\text{O}}_{\text{2}}}\)

\({{\text{H}}_{\text{2}}}{{\text{O}}_{\text{2}}}\)

\({{\text{H}}_{\text{2}}}{\text{O}}\)

\({\text{HC}}{{\text{O}}_{\text{3}}}\)

Questions 32 of 50

Question:Loss of water from the tip of the leaves is called

Answers Choices:

Guttation

Transpiration

Respiration

Evaporation

Questions 33 of 50

Question:The respiratory process of yeast is

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Rarely anaerobic

Anaerobic

Purely aerobic

Both aerobic and anaerobic

Questions 34 of 50

Question:In mitosis the chromosomes can be seen most distinctly during

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Interphase

Prophase

Metaphase

Telopha

Questions 35 of 50

Question:Penicillin was discovered by

Answers Choices:

A. Fleming

W. Fleming

Blackeslee

Dodge

Questions 36 of 50

Question:The fungus which grows on dung is called

Answers Choices:

Humicolous

Lignicolous

Coprophilous

Fungicolous

Questions 37 of 50

Question:The substrate for photorespiration is

Answers Choices:

Pyruvic acid

Acetyl coenzyme - A

Glycolate

Glucose

Questions 38 of 50

Question:Seeds develop from

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Embryo

Embryo sac

Ovary

Ovule

Questions 39 of 50

Question:Which of the following is a character of gymnospermous wood

Answers Choices:

Porous

Ring porous

Diffused porous

Non-porous

Questions 40 of 50

Question:Some flowers open in the day and close at night. Such a movement is known as

Answers Choices:

Phototropic movement

Phototactis movement

Photoperiodism

Photonastic movement

Questions 41 of 50

Question:Capitulum is found in the members of the family

Answers Choices:

Ranunculaceae

Solanaceae

Asteraceae

Labiatae

Questions 42 of 50

Question:O3 is a pollutant gas in

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Tropopause

Lower stratosphere

Troposphere

Mesosphere

Questions 43 of 50

Question:Companion cells are present in

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Epidermis

Cortex

Phloem

Xylem

Questions 44 of 50

Question:Where do bacteroids occur

Answers Choices:

Root nodules

Leaves

Stem

Flower

Questions 45 of 50

Question:Which one of the following is a denitrifying bacterium

Answers Choices:

Nitrobacter

Nitrosomonas

Pseudomonas

E. Coli

Questions 46 of 50

Question:Which one of the following disease is caused by bacteria

Answers Choices:

Small pox

Rabies

Tuberculosis

Measles

Questions 47 of 50

Question:Bracts, perianth and seeds are edible parts of

Answers Choices:

Cocos nucifera

Artocarpus heterophyllus

Magnifera indica

Argemone mexicana

Questions 48 of 50

Question:During summer, khas khas mats for cooling air are prepared from the roots of

Answers Choices:

Bambusa nana

Saccharum munja

Vetiveria zizanoides

Setaria pumila

Questions 49 of 50

Question:An ecosystem having highest primary productivity is

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Tropical forest

Temperate forest

Coniferosu forest

Shruby thorn forest

Questions 50 of 50

Question:A virus infecting a bacterium is

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Plasmid

Bacteriophage

Bacteroid

Phage