Identify the correct pair of characters with reference to Pteris: 1. Neck canal cell is uninucleated 2. Stem grows vertically in the soil 3. Apogamously produced sporophytes are haploids 4. Open dichotomus ventation in leaflets

1.  (II) ,(IV)

2.  (III),(IV)

3.  (I), (II)

4.  (I),(III)

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4
Correct Answer :

(III),(IV)


Explanation :
No Explanation available for this question

The correct condition among the following with reference to sexual reproduction in Rhizopus stolonifer is:

1.  ‘+’ x ‘ – ‘ = zygospore

2.  ‘+’ x ‘ – ‘ = No zygospore

3.  ‘–’ x ‘ – ‘ = zygospore

4.  ‘+’ x ‘ + ‘ = zygospore

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4
Correct Answer :

‘+’ x ‘ – ‘ = zygospore


Explanation :
No Explanation available for this question

Which one of the following parts is different from others with reference to ploidy number in Cycas

1.  Ncellus

2.  Endosperm

3.  Seedcoat

4.  Perisperm

View Answer  
4
Correct Answer :

Seedcoat


Explanation :
No Explanation available for this question

When cells of a 15-celled filament of Spirogyra affinis participate in indirect lateral conjugation, the maximum possible number of zygospores produced is:

1.  15

2.  14

3.  8

4.  7

View Answer  
4
Correct Answer :

7


Explanation :
No Explanation available for this question

Study the following and identify the wrong stament

1.  The probability of homozygous dwarf progeny formed in a cross involving TT x Tt parents is 0.75

2.  The probability of homozygous tall progeny formed in a cross involving TT x TT parents is one

3.  The probability of homozygous tall progeny formed in a cross involving TT x tt parents is 0.5

4.  The probability of homozygous dwarf progeny formed in a cross involving TT x tt parents is zero

View Answer  
4
Correct Answer :

The probability of homozygous dwarf progeny formed in a cross involving TT x Tt parents is 0.75


Explanation :
No Explanation available for this question

Study the following lists List – I List – II A)Morgan I) Induced mutations B) Lysneko (II) Photoperiodism C) Muller (III) Term ‘Genetics’ D) Garner and Allard (IV) Vernalization V) Linkage The correct match is:

1.  (II),(I),(III),(IV)

2.  (IV),(III),(II),(V)

3.  (V),(IV),(I),(II)

4.  (III),(II),(IV),(I)

View Answer  
4
Correct Answer :

(V),(IV),(I),(II)


Explanation :
No Explanation available for this question

Study the following lists: List – I List – II A) Bryophyllum I) Cuticle is absent B) Nelumbo II) High rate of transpiration C) Pistia III) Water is stored in the form of mucilage D) Potamogeton IV) Rhizome stem V)Balancing roots have root pockets in place of root caps The correct match is:

1.  (III) (IV) (V) (I)

2.  (V) (III) (II) (IV)

3.  (II) (IV) (I) (V)

4.  (I) (V) (II) (III)

View Answer  
4
Correct Answer :

(III) (IV) (V) (I)


Explanation :
No Explanation available for this question

Identify the Facultative parasite from the below given

1.  Enterobius vermicularis

2.  Mycobacterium tuberculosis

3.  Taenia solium

4.  Trichomonas hominis

View Answer  
4
Correct Answer :

Mycobacterium tuberculosis


Explanation :
No Explanation available for this question

Study the following and choose the correct one List – I(Animal) List – II(Character) List-III(Class) Sea Urchin Aristotle’s Lantern Echinoidea Sea Cucumber Respiratory Holothuroidea Sea biscuit Anus is absent Asteroidea Sea Stars Pedicillaria with teo jaws Ophiuroidea

1.  (I) & (II)

2.  (II) & (III)

3.  (I) & (III)

4.  (II) & (IV)

View Answer  
4
Correct Answer :

(I) & (II)


Explanation :
No Explanation available for this question

The first (initiating) step in photosynthesis is:

1.  ionisation of water

2.  attachment of CO2 to 5-carbon sugar

3.  excitation of chlorophyll by a photon of light

4.  formation of ATP

View Answer  
4
Correct Answer :

excitation of chlorophyll by a photon of light


Explanation :
No Explanation available for this question
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