Seed dormancy is due to the :

1.  ethylene

2.  abscisic acid

3.  IAA

4.  starch

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4
Correct Answer :

abscisic acid


Explanation :
No Explanation available for this question

Given below is a diagrammatic cross section of a single loop of human cochlea.   Which one of the following options correctly represents the names of three different parts

1.  B : Tectorial membrane C : Perilymph D : Secretory cells

2.  C : Endolymph D : Sensory hair cells A : Serum

3.  D : Sensory hair cells A : Endolymph B : Tectorial membrane

4.  A : Perilymph B : Tectorial membrane C : Endolymph

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4
Correct Answer :

A : Perilymph
B : Tectorial membrane
C : Endolymph


Explanation :
No Explanation available for this question

Main function of lenticel is :

1.  transpiration

2.  guttation

3.  gaseous exchange

4.  bleeding

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4
Correct Answer :

gaseous exchange


Explanation :
No Explanation available for this question

In angiosperms, all the four microspores of tetrad are covered by a layer which is formed by :

1.  pectocellulose

2.  callose

3.  cellulose

4.  sporopollenin

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4
Correct Answer :

callose


Explanation :
No Explanation available for this question

Which type of association is found in between entomophilous flower and pollinating agent

1.  Mutualism

2.  Commensalism

3.  Co-operation

4.  Co-evolution

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4
Correct Answer :

Mutualism


Explanation :
No Explanation available for this question

What is the direction of micropyle in anatropous ovule

1.  Upward

2.  Downward

3.  Right

4.  Left

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4
Correct Answer :

Downward


Explanation :
No Explanation available for this question

In angiosperms, pollen tube liberates their male gametes into the :

1.  central cell

2.  antipodal cell

3.  egg cell

4.  synergids

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4
Correct Answer :

synergids


Explanation :
No Explanation available for this question

Which of the following is without exception in angiosperms

1.  Presence of vessels

2.  Double fertilisation

3.  Secondary growth

4.  Autotrophic nutrition

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4
Correct Answer :

Double fertilisation


Explanation :
No Explanation available for this question

Edible part in mango is :

1.  mesocarp

2.  epicarp

3.  endocarp

4.  epidermis

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4
Correct Answer :

mesocarp


Explanation :
No Explanation available for this question

Geocarpic fruit is :

1.  potato

2.  peanut

3.  onion

4.  garlic

View Answer  
4
Correct Answer :

peanut


Explanation :
No Explanation available for this question
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