Gymnosperms Test 1

Total Questions:50 Total Time: 75 Min

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Questions 1 of 50

Question:Which one of the following is not a cryptogam

Answers Choices:

Algae

Bryophyta

Pteridophyta

Gymnosperms

Questions 2 of 50

Question:During adverse season, therophytes survive by

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Bulbs

Corms

Rhizomes

Seeds

Questions 3 of 50

Question:In which of the following groups would you place a plant which produces seeds but lacks flower and fruits

Answers Choices:

Fungi

Bryophytes

Pteridophytes

Gymnosperms

Questions 4 of 50

Question:Most of the gymnosperms have

Answers Choices:

Only antheridia

Both antheridic and archegonia

Archegonia but no antheridia

Both absent

Questions 5 of 50

Question:Gymnosperms do not have

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Trees

Shrubs

Lianas

Herbs

Questions 6 of 50

Question:What is the similarity between gymnosperms and angiosperms

Answers Choices:

Phloem of both have companian cells

Endosperm is formed before fertilization in both

Origin of ovule and seed is similar in both

Both have leaves, stem and roots

Questions 7 of 50

Question:Which of the following is living fossil

Answers Choices:

Pinus

Ginkgo

Thuja

Deodar

Questions 8 of 50

Question:Vessels are found in

Answers Choices:

Ephedra

Selaginella

Funaria

All gymnosperms

Questions 9 of 50

Question:Resin duct of a gymnospermous stem is an example of

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Big vacuole

Lysigenous cavity

Intercellular space

Schizogenous cavity

Questions 10 of 50

Question:The arrangement of megaspores in a tetrad in a gymnosperm is

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Decussate

Tetrahedral

Linear

Isobilateral

Questions 11 of 50

Question:Non-motile male gametes are formed in

Answers Choices:

Funaria

Selaginella

Fern

Pinus

Questions 12 of 50

Question:Spur of Pinus syluestris is

Answers Choices:

Monofoliar

Bifoliar

Trifoliar

Tetrafoliar

Questions 13 of 50

Question:Popular dry fruit "chilgoza" is produced by

Answers Choices:

Pinus sylvestris

Pinus monophylla

Pinus gerardiana

Pinus roxburghii

Questions 14 of 50

Question:In Pinus needle vascular bundles are

Answers Choices:

Bicollateral

Collateral and closed

Collateral and open

Concentric

Questions 15 of 50

Question:Mesophyll tissue of Pinus needle is composed of

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Armed parenchyma

Chlorenchyma

Spongy parenchyma

Transfusion tissue

Questions 16 of 50

Question:Cataphylls are

Answers Choices:

Leaves of Selaginella

Scaly leaves of Pinus

Needles of Pinus

Foliar leaves of Pinus

Questions 17 of 50

Question:Male gametophyte of Pinus is found to be

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10 celled

6 celled

4 celled

2 celled

Questions 18 of 50

Question:Which of the following features are true for Pinus

Answers Choices:

Haploid endosperm

Bicilliated sperms

Double fertilization

Presence of antheridia

Questions 19 of 50

Question:Which statement is correct with reference to Pinus

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It is of much economic value

It is cosmopolitan in distribution

If grows in deserts and exhibits xerophytic character

If form deciduous trees in temperate region

Questions 20 of 50

Question:Pinus produces

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No seedst

Flowers

No vascular tissues

Naked seeds in cones

Questions 21 of 50

Question:What nature does, acicular nature of Pinus needle depicts

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Mesophytic

Xerophytic

Hydrophytic

Sporophytic

Questions 22 of 50

Question:Female gametophyte (endosperm) in Pinus is formed

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Before pollination

After pollination

After fertilization

None of the above

Questions 23 of 50

Question:The wood obtained from Pinus plant is used for

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Furniture

Building purposes

Match boxes

All the above

Questions 24 of 50

Question:Integument in Pinus ovule is

Answers Choices:

Haploid

Diploid

Triploid

Tetraploid

Questions 25 of 50

Question:Ovules in Pinus are generally

Answers Choices:

Anatropous with four integuments

Anatropous with one integument

Amphitropous with three integuments

Orthotropous with two integuments

Questions 26 of 50

Question:Annual rings are well seen in

Answers Choices:

Selaginella stem

Cycas wood

Pinus wood

All the above

Questions 27 of 50

Question:The microsporophylls of Pinus has

Answers Choices:

Many microsporangia

No microsporangia

2 microsporangia

Only one microsporangium

Questions 28 of 50

Question:Time lapse between fertilization and seed formation in Pinus is

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6 years

2 years

1/2 years

1 year

Questions 29 of 50

Question:The wood of pinus is

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Pycnoxylic and monoxylic

Pycnoxylic and heteroxylous

Manoxylic and homoxylous

Manoxylic and heteroxylous

Questions 30 of 50

Question:Winged pollen grain is the characteristic feature of

Answers Choices:

Cycas

Ephedra

Gnetum

Pinus

Questions 31 of 50

Question:In Pinus male gametes are produced in the pollen tube by the division of which of the following cells

Answers Choices:

Body cell

Stalk cell

Tube cell

Prothallial cell

Questions 32 of 50

Question:Seed of Pinus shows three generations as

Answers Choices:

Parent sporophyte, gametophyte and future sporophyte

Parent gametophyte, sporophyte and future gametophyte

Parent sporophyte, sporophyte, future gametophyte

None of these

Questions 33 of 50

Question:The wing in Pinus seed originates from

Answers Choices:

Integument

Adaxial surface of ovuliferous scale

Bract scale

Cone axis

Questions 34 of 50

Question:Diploxylic or polyxylic vascular bundles are found in

Answers Choices:

Pinus

Dryopteris

Cycus

Funaria

Questions 35 of 50

Question:In which plant largest sperms are found

Answers Choices:

Cycas

Pinus

Mango

Sunflower

Questions 36 of 50

Question:Spermatozoid of Cycas is

Answers Choices:

Biflagellate

Nonflagellate

Uniflagellate

Multiciliated

Questions 37 of 50

Question:Which is not a characteristic feature of Cycas

Answers Choices:

Naked ovules

Circinate vernation

Vessels

Girdling leaf traces

Questions 38 of 50

Question:Cycas has the largest

Answers Choices:

Ovule

Egg

Sperm

All of these

Questions 39 of 50

Question:Cycas is

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Hermaphrodite

Dioecious

Monoecious

None of these

Questions 40 of 50

Question:Cycas revoluta is

Answers Choices:

Date Palm

Sea Palm

Royal Palm

Sago Palm

Questions 41 of 50

Question:Sago of Cycas is given to patients with stomach disorders because it is

Answers Choices:

Cheap

Easily digestible with less starch

Tastier

With high nutritive value

Questions 42 of 50

Question:Which is incorrect about Cycas

Answers Choices:

Its xylem has vessels

It has circinate venation

It does not have well organised female flower

Its roots possess some blue-green algae

Questions 43 of 50

Question:Vegetative reproduction in Cycas occurs by

Answers Choices:

Scale leaves

Sporophylls

Bulbils

Fragmentation

Questions 44 of 50

Question:Megasporophyll of Cycas is homologous to

Answers Choices:

Carpel

Stamen

Petal

Sepal

Questions 45 of 50

Question:The number of neck canal cells in archegonium of Cycas is

Answers Choices:

2

4

6

0

Questions 46 of 50

Question:The number of cotyledons in seed of Cycas is

Answers Choices:

1

2

Many

All of these

Questions 47 of 50

Question:Cycas plant is likein appearance

Answers Choices:

Mango

Acacia

Date palm

Ficus

Questions 48 of 50

Question:Vascular bundles of Cycas stem are

Answers Choices:

Conjoint

Collateral and closed

Conjoint, collateral and open

Conjoint, collateral and closed

Questions 49 of 50

Question:Algal zone is characteristic of

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Normal root of Cycas

Root of Pinus

Coralloid roots of Cycas

Stem of Cycas

Questions 50 of 50

Question:Transfusion tissue is found in

Answers Choices:

Cycas

Ginkgo

Pinus

Both (1) and (3)