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

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

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

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

Roots developed from parts of the plant other than radicles are called

1. tap roots

2. fibrous roots

3. adventitious roots

4. nodular roots

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

Endosperm, a product of double fertilisation in angiosperms is absent in the seeds of

Many pulses of daily use belong to one of the families below.

The placenta is attached to the developing seed near the

1.  testa

2. hilum

3.  micropyle

4.  chalaza

Which of the following plants is used to extract the blue dye?

1.  Trifolium

2.  Indigofera

3.  Lupin

4.  Cassia

Match the following columns.

Codes: