LOOK BRIEFLY INTO THE FACTS OF GYMNOSPERMS thumbnail
LOOK BRIEFLY INTO THE FACTS OF GYMNOSPERMS thumbnail

LOOK BRIEFLY INTO THE FACTS OF GYMNOSPERMS

10th - 12th grades
Played 11 times
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Preview (20 questions)
1 Question
15 seconds
Q.

The word Gymnosperm means ____________.


Naked seed plant

Sharp seed plant  

Round seed plant

2 Question
15 seconds
Q.

 Gymnosperms lack ___________ and so are called softwood spermatophytes. 


Phloem Fibres 

Xylem Vessels

Thick-walled tracheids

3 Question
15 seconds
Q.

 It is the first terrestrial plant with no ___________.


Swimming sperm

Swimming Ovary  

 Swimming ovules

4 Question
15 seconds
Q.

  The symbiotic algae present in the roots of Cycas is ____________. 


Anabaena

Aulosira  

Chlamydomonas

5 Question
15 seconds
Q.

   The Ovules in the Gymnosperms are enclosed by the ovary wall.


True 

False  

 Partially incorrect

6 Question
15 seconds
Q.

  These plants cannot develop fruits because ____________ is absent. 


Ovules 

Seeds 

Ovary

7 Question
15 seconds
Q.

 An example of a Gymnosperm produces seeds but not flowers.


Peepal  

Pinus 

Maize

8 Question
15 seconds
Q.

An anticancer drug, Taxol is obtained from _____________.


Cycas 

Pinus 

Taxus 

9 Question
15 seconds
Q.

    _______ is a mode of pollination in a gymnosperm.


Anemophily

Hydrophily 

Entomophily

10 Question
15 seconds
Q.

   ________ is the extinct order of gymnosperms.


Ginkgoales 

Cycadales 

Cycadofilicales

11 Question
15 seconds
Q.

 The type of ovule in the Gymnosperm is _________.


Anatropus and unitegmic 

Orthotropous and bitegmic 

Orthotropus and unitegmic 

12 Question
15 seconds
Q.

   _________ is the lifecycle of a Gymnosperm.


Diplohaplontic 

Diplontic

Haplontic

13 Question
15 seconds
Q.

The microsporangia in the Cycas arises from the __________ of microsporophyll.


Abaxial

Adaxial 

Lateral

14 Question
15 seconds
Q.

   A major difference between Gymnosperms and Pteridophytes is ______________.


Presence of ovules 

Presence of embryo 

Presence of tracheids

15 Question
15 seconds
Q.

 The bitegmic ovules are present in the _______________ Gymnosperm plant.


Taxus 

Ginkgo 

Gnetum

16 Question
15 seconds
Q.

    The endosperm of a gymnosperm is _____________.


Haploid

Diploid 

Triploid 

17 Question
15 seconds
Q.

   ________ posses multiciliate male gametes.


Pinus 

Cycas

Gnetum

18 Question
15 seconds
Q.

  Three generations of the gymnosperm seeds are __________.


Two sporophytic and one gametophytic

Two gametophytic and one sporophytic 

All the three sporophytic generations

19 Question
15 seconds
Q.

   A main phenomenon in Gymnosperms is ____________.


Polyembryony

Mono embryony 

Di embryony 

20 Question
15 seconds
Q.

  One common thing in Cycas and Ferns is ______________.


Seeds 

Ovules

Pollen tubes

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