NTS/NTS CURRENT AFFAIRS BOTONY MCQ SET 1 Sample Test,Sample questions

Question:
A baby has been born with a small tail. It is the case exhibiting

1.mutation

2.retrogressive evolution

3.metamorphosis

4.atavism


Question:
A gene showing codominance

1.has one allele dominant to the other

2.has both alleles independently expressed in the heterozygote

3.has alleles tightly linked on the same chromosome

4.has alleles expressed at the same time in development


Question:
Algae is a nonvalid taxinomic term that refers to

1.eukaryotic organisms that have chlorophyll a and produce O2

2.well developed cellular structure including a conducting system

3.both a and b

4.none of these


Question:
Antheridia of Funaria are

1.rounded

2.cylindrical

3.club shaped

4.oval


Question:
Autoecology deals with

1.ecology of species

2.ecology of many species

3.ecology of community

4.all of these


Question:
Bioluminescence is a phenomenon associated with

1.pyrrophyta

2.chlorophyta

3.chrysophyta

4.phaeophyta


Question:
Calvin cycle is a light-independent process that plants use to convert _____ into glucose.

1.oxygen

2.carbon dioxide

3.water

4.salt


Question:
Characteristics used to place algae into divisions include all of the following except

1.form of storage material

2.flagella number and location

3.accessory pigments used in photosynthesis

4.all of these


Question:
De Vries gave his mutation theory on organic evolution while working on

1.Oenothera lamarckiana

2.Drosophila melanogaster

3.Pisum sativum

4.Althea rosea


Question:
Development of gametophyte from vegetative cells of a sporophyte is called

1.apogamy

2.apospory

3.parthenogenesis

4.apomixis


Question:
Ecotype is a type of species in which environmentally induced variations are

1.temporary

2.genetically fixed

3.genetically not related

4.none of the above


Question:
Energy flow in ecosystem is

1.unidirectional

2.bidirectional

3.multidirectional

4.none of these


Question:
Experiments demonstrating the importance of nucleus in controlling the growth of cell was performed in

1.starfish

2.acetabularia

3.neurospora

4.planaria


Question:
False indusium is found in

1.dryopteris

2.pteris

3.funaria

4.all of these


Question:
Gymnosperms differ from both extinct and extant ferns because they

1.are woody

2.have macrophylls

3.have pollen

4.have sporophylls


Question:
In a food chain of grassland ecosystem the top consumers are

1.herbivores

2.carnivores

3.bacteria

4.none of these


Question:
In a moss the sporophyte

1.arises from a spore produced from the gametophyte

2.produces gametes that given rise to the gametophyte

3.is partially parasitic on the gametophyte

4.manufactures food for itself, as well as for the gametophyte


Question:
In higher plants the shape of chloroplast is

1.girdle shape

2.discoid

3.ribbon shaped

4.cup shaped


Question:
In mosses the gametophyte is

1.monoecious

2.dioecious

3.both a and b

4.heterothallic


Question:
In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a

1.fern gametophyte bearing only antheridia

2.hermaphroditic fern gametophyte

3.fern sporophyte

4.moss sporophyte


Question:
In the sporophyll of Selaginella, sporangia are born on

1.abaxial surface

2.lower surface

3.adaxial surface

4.margins


Question:
Indole 3-acetic acid is chemically similar to be amino acid

1.methionine

2.valine

3.proline

4.tryptophan


Question:
Mendel emasculated garden pea plant.Emasculation is the

1.removal of flower buds

2.removal of anthers before dehiscence

3.removal of carpels before dehiscence

4.removal of mature flowers


Question:
One of the important consequences of geographical isolation is

1.random creation of new species

2.no change in the isolated fauna

3.preventing Speciation

4.speciation through reproductive isolation


Question:
Plant cell wall mainly composed of

1.cellulose

2.starch

3.protein

4.lipid


Question:
Presence of trichomes on leaves

1.helps in rapid gaseous exchange

2.prevents guttation

3.increases transpiration

4.reduces transpiration


Question:
Sterile jacket around the sex organs is found in

1.algae

2.fungi

3.bryophytes

4.lichens


Question:
The algae Chlamydomonas demonstrates a complex life cycle that switches between haploid and diploid forms. This life cycle is called

1.the sexual-asexual exchange

2.the transposition cycle

3.an alternation of generations

4.algal transformation


Question:
The bread mold Rhizopus stolonifer belongs to which of the following fungal divisions

1.deuteromycota

2.ascomycota

3.zygomycota

4.oomycota


Question:
The characteristic of C4 plants is

1.first product oxaloacetic acid

2.carboxylating enzyme is RUBISCO

3.Krans anatomy

4.all of these


Question:
The crossing of F1 to any one of the parents is called

1.test cross

2.F1 cross

3.back cross

4.none of these


Question:
The fruiting body of a mushroom is called

1.sorocarps

2.ascocarps

3.basidiocarps

4.deuterocarp


Question:
The genotypic ratio of a monohybrid cross is

1. 3:1

2.1:2:1

3. 2:1:1

4.9:3:3:1


Question:
The membrane around the vacuole

1.tonoplast

2.cytoplast

3.sarcolemma

4.none of these


Question:
The only positive evidence of aquatic ancestry of bryophyte is

1.thread like protonema

2.green colour

3.some forms are still aquatic

4.ciliated sperms


Question:
The recessive character will express in

1.F1

2.F2

3.both a and b

4.F3


Question:
The seed coats most important function is to provide

1.desiccation resistance

2.a nutrient supply for the embryo

3.dormancy

4.the means for dispersal


Question:
The tendency of population to remain in genetic equilibrium may be disturbed by

1.random mating

2.lack of random mating

3.lack of mutations

4.lack of migration


Question:
Trophic levels are formed by

1.only plants

2.only animals

3.only carnivores

4.organisms linked in food chain


Question:
Water molds belong to which division

1.ascomycota

2.basidiomycota

3.deuteromycota

4.oomycota


Question:
What causes a green plant to bend towards light as it grows

1.because green plants are phototropic

2.light stimulates plant cells on the lighted side to grow faster

3.auxins accumulates on shaded side resulting greater cell elongation

4.naturally plant grows towards light


Question:
What is meant by the term Darwin fitness

1.the ability to survive and reproduce

2.high aggressiveness

3.healthy appearance

4.none of these


Question:
Which of the following is an ongoing trend in the evolution of land plants

1.decrease in the size of the leaf

2.elimination of sperm cells or sperm nuclei

3.replacement of roots by rhizoids

4.reduction of the gametophyte phase of the life cycle


Question:
Which of the following is called Walking Fern?

1.dryopteris

2.adiantum

3.aspidium

4.pteris


Question:
Which of the following most closely represents the male gametophyte of seed-bearing plants

1.ovule

2.microspore mother cell

3.embryo sac

4.pollen grain interior


Question:
Which one is the non-membranous organelle

1.endoplasmic reticulum

2.ribosome

3.chloroplast

4.nucleus


Question:
Which spore is on a club and results from the fusion of two nuclei from different strains of the same fungi

1.conidiospore

2.blastospore

3.ascospore

4.basidiospore


Question:
Who suggested that the opening and closing of stomata is connected with the change on pH of guard cells

1.Von Mohl

2.Sayre/Scarth

3.Levitt

4.Lyond


Question:
yathaea and Celeotium are the e.g. of

1.grass

2.tree fern

3.walking fern

4.none of these


Question:
Zooxanthellae are algal symbiont that live within coral reef animals. These algae belong to

1.chlorophyta

2.chrysophyta

3.pyrrophyta

4.rhodophyta


More MCQS

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  2. NTS MCQ SET 2
  3. NTS COMPUTER MCQ SET 1
  4. NTS COMPUTER MCQ SET 2
  5. NTS COMPUTER MCQ SET 3
  6. NTS COMPUTER MCQ SET 4
  7. NTS MATHEMATICS MCQ SET 1
  8. NTS COMPUTER MCQ SET 5
  9. NTS GENERAL KNOWLEDEGE MCQ SET 1
  10. NTS GENERAL KNOWLEDEGE MCQ SET 2
  11. NTS GENERAL KNOWLEDGE MCQ SET 3
  12. NTS CURRENT AFFAIRS MCQ SET 1
  13. NTS CURRENT AFFAIRS MCQ SET2
  14. NTS GENERAL KNOWLEDGE MCQ SET 4
  15. NTS PAKISTAN CURRENT AFFAIRS MCQ SET 1
  16. NTS PAKISTAN CURRENT AFFAIRS MCQ SET 2
  17. NTS PAKISTAN CURRENT AFFAIRS MCQ SET 3
  18. NTS PKISTAN CURRENT AFFAIRS MCQ SET 4
  19. NTS PAKISTAN CURRENT AFFAIRS MCQ SET 5
  20. NTS PAKISTAN CURRENT AFFAIRS SET 6
  21. NTS PAKISTAN CURRENT AFFAIRS SET 8
  22. NTS BIOLOGY CURRENT AFFAIRS SET 1
  23. NTS BIOLOGY CURRENT AFFAIRS SET 2
  24. NTS BIOLOGY CURRENT AFFAIRS SET 3
  25. NTS BIOLOGY CURRENT AFFAIRS SET 4
  26. NTS CURRENT AFFAIRS EDUCATION MCQ SET 1
  27. NTS CURRENT AFFAIRS ACCOUNTING MCQ SET 1
  28. NTS CURRENT AFFAIRS EDUCATION MCQ SET 2
  29. NTS CURRENT AFFAIRS EDUCATION MCQ SET 3
  30. NTS CURRENT AFFAIRS ACCOUNTING SET 2
  31. NTS CURRENT AFFAIRS ECONOMIC MCQ SET 1
  32. NTS CURRENT AFFAIRS ECONOMIC MCQ SET 2
  33. NTS CURRENT AFFAIRS FINANCE MCQ SET 1
  34. NTS CURRENT AFFAIRS FINANCE MCQ SET 2
  35. NTS CURRENT AFFAIRS BOTONY MCQ SET 1
  36. NTS CURRENT AFFAIRS BOTONY MCQ SET 2
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