Assertion (A): Hybrids are widely used in cultivation to increase productivity and apomixes can be an important tool for maintaining hybrid nature.
Reason (R): Seeds produced by apomictic plants are identical to mother plant as there is no segregation
Mark the correct option :
1. Both (A) & (R) are true and (R) is the correct explanation of (A).
2. Both (A) & (R) are true but (R) is not the correct explanation of (A).
3. (A) is true statement but (R) is false.
4. Both (A) and (R) are false statements.
  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
Subtopic:  Apomixis & Polyembryony |
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Assertion (A):  The megaspore mother cell divide mitotically to produce four spores.
Reason (R):  Megaspore mother cells are diploid and megaspore is haploid.

Mark the correct option :
1. Both (A) & (R) are true and (R) is the correct explanation of (A).
2. Both (A) & (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) is false but (R) is true.
  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
Subtopic:  Pistil: Ovule | Pistil: Female Gametophyte |
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Assertion (A): Nocturnal flowers are pollinated by moths.
Reason (R): Nocturnal flowers are highly fragrant and dull in colour
In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1. Both (A) and (R) are true and (R) is the correct explanation of (A) 
2. Both (A) and (R) are true and (R) is not the correct explanation of (A)  
3. (A) is true, (R) is false 
4. (A) is false and (R) is false 
  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
Subtopic:  Pollination & Outbreeding Devices |
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Assertion : Cleistogamy is advantageous to the plants.

Reason : It results in the assured seed formation even in the absence of pollinators.

1. If both Assertion & Reason are true and the Reason is the correct explanation of the Assertion.

2. If both Assertion & Reason are true but the Reason is not the correct explanation of the Assertion

3. If Assertion is a true statement but Reason is false.

4. If both Assertion and Reason are false.

Subtopic:  Pollination & Outbreeding Devices |
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Match the following and choose correct option
 Group-A  Group-B
A.      Aleurone layer i.       without fertilization
B.      Parthenocarpic fruit ii.       Nutrition
C.     Ovule  iii.      Double fertilization
D.     Endosperm iv.     Seed
               
            Option
1. A-1,B-ii, C-iii, D-iv
2. A-ii, B-I, C-iv, D-iii

3. A-iv, B-ii, C-I, D-iii
4. A-ii, B-iv, C-I, D-iii

 
Subtopic:  Endosperm |
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Choose the correct match with respect to ploidy level in angiosperms :

1. Synergids - Triploid (3n)

2. Antipodal cells - Triploid (3n

3. Secondary nucleus- Diploid (2n)

4. Egg cell - Diploid (2n)

Subtopic:  Pistil: Female Gametophyte |
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Match the two columns that represent plant organs (I) and parts within these organs (II).

 Column I  Column II
A. Carpel (i) calyx, corolla
B. Perianth (ii) Vegetative cell, generative cell
C. Microsporocyte (iii) Stigma, style, ovary
D. Megasporocyte (iv) Antipodal cells, polar nuclei, synergid cell

1. A-(i); B-(iii); C-(ii); D-(iv)

2. A-(iii); B-(iv); C-(i); D-(ii)

3. A-(i); B-(iii); C-(iv); D-(ii)

4. A-(iii); B-(i); C-(ii); D-(iv)

Subtopic:  Pistil: Female Gametophyte |
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Which process is matched with a valid example?

     Process     Example
1. seed dispersal a stamen explodes in the wind
2. fertilization a nucleus from the pollen grain fuses with a nucleus in the ovule
3. fertilization  a bee carries pollen from flower to flower
4. pollination seeds are blown from a flower onto another one by the wind
Subtopic:  Pollen - Pistil Interaction |
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Match Column I with Column II and select the correct option using the codes given below:

Column I

 

Column II

A.

Pistils fused together

1.

Gametogenesis

B.

Formation of gametes

2.

Pistillate

C. 

Hyphae of higher ascomycetes  

3.  

Syncarpous

D.

Unisexual female flower

4.

Dikaryotic

Codes:

A    

B     

C     

D

1.

4

3

2

1

2.

2

1

4

3

3.

1

2

4

3

4.  

3

1

4

2

स्तंभ II के साथ स्तंभ I का मिलान करें और नीचे दिए गए संकेतों का उपयोग करके सही विकल्प चुनें:

स्तंभ I

 

स्तंभ II

A.

स्त्रीकेसर एक साथ संगलित

1.

युग्मकजनन

B.

युग्मकों का गठन

2.

स्त्रीकेसरी

C. 

उच्च एस्कोमाइसिटीज के कवक तंतु

3.  

युक्तांडपी

D.

उभयलिंगी मादा पुष्प

4.

द्विकेंद्रकी

Codes:

A    

B     

C     

D

(1)

4

3

2

1

(2)

2

1

4

3

(3)

1

2

4

3

(4)  

3

1

4

2

Subtopic:  Stamen: Microsporangium |
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Read the two statements A & B given below and select the correct option :

A- Embryo sac of angiosperms is a 7 celled structure.

B – Embryo sac has three synergid cells.

1. Both A and B are correct

2. Both A and B are incorrect

3. Only A is correct

4. Only B is correct

Subtopic:  Pistil: Female Gametophyte |
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