Rearrange the following zones as seen in the root in the vertical section and choose the correct option.

I. Root hair zone     

II. Zone of meristems   

III. Root cap zone    

IV. Zone of maturation   

V. Zone of elongation    

Codes

1. III, II, V, I, IV

2. I, II, III, IV, V

3. IV, V, I, III, II

4. V, IV, III, II, I

Subtopic:  Morphology of Roots |
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In an inflorescence where flowers are borne laterally in acropetal succession, the position of the youngest floral bud shall be

1. proximal

2. distal

3. intercalary

4. anywhere

 

Subtopic:  Inflorescence |
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The mature seeds of plants such as gram and peas possess no endosperm, because

1.  these plants are not angiosperms

2.  there is no double fertilisation in them

3.  endosperm is not formed in them

4.  endosperm gets used up by the developing embryo during seed development

 

 

Subtopic:  Seed |
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Roots developed from parts of the plant other than radicles are called

1. tap roots

2. fibrous roots

3. adventitious roots

4. nodular roots

 

Subtopic:  Morphology of Roots |
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Venation is a term used to describe the pattern of arrangement of

1. floral organs

2. flower in inflorescence

3. veins and veinlets in a lamina

4. all of them

 

Subtopic:  Venation, Typers of Leaf & Phyllotaxy |
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Endosperm, a product of double fertilisation in angiosperms is absent in the seeds of

1.  Coconut

2.  Orchids

3.  Maize

4.  Castor

 

Subtopic:  Seed |
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Many pulses of daily use belong to one of the families below.

1.  Solanaceae

2.  Fabaceae

3.  Liliaceae

4.  Poaceae

 

Subtopic:  Families of Flowering Plant: I |
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The placenta is attached to the developing seed near the

1.  testa

2. hilum

3.  micropyle

4.  chalaza

Subtopic:  Seed |
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Which of the following plants is used to extract the blue dye?

1.  Trifolium

2.  Indigofera

3.  Lupin

4.  Cassia

 

Subtopic:  Families of Flowering Plant: I |
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Match the following columns.

Column I

Column II

A. Aleurone layer 

B. Parthenocarpic fruit 

C. Ovule

D. Endosperm 

1. Nutrition

2. Without fertilization

3. Seed

4. Double fertilization

Codes.

        A     B     C     D 

(1)    1     2     3     4

(2)    2     1     4     3

(3)    4      2     1     3

(4)    2      4     1     3

Subtopic:  Fruits & their Types | Seed |
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