Anthesis is a phenomenon that refers to:

1. formation of pollen

2. Development of anther

3. Opening of a flower bud

4. Reception of pollen by stigma

An ovule that becomes curved so that the nucellus and embryo sac lies at right angles to the funicle is:

1. Campylotropous

2. Anatropous

3. Orthotropous

4. Hemitropous

Ornithophilly takes place in:
1.  Yellow flower having nectaries
2.  Scented flower
3.  Flower with charming colour
4.  Modified corolla tube

Which pair is of insectivorous plants:
1.  Drosera and Vallisneria
2.  Utricularia and Hydrilla
3.  Allobandra and Utricularia
4.  Rafflesia and Dionea

Eight-nucleated embryosac is:

1. Only monosporic

2. Only bisporic

3. Only tetra sporic

4. Any of the above

Endosperm is formed during double fertilization by:

1. Two polar nuclei & one male gamete

2. One polar nucleus & one male gamete

3. Ovum and male gamete

4. Two polar nuclei & two male gametes

Hair found in the inflorescences of Zea mays is the modification of:

In Angiosperms, pollen tubes liberate their male gametes into the:

1. Central cell

2. Antipodal cells

3. Egg cell

4. Synergids

What is the direction of the micropyle in the anatropous ovule:

In Angiosperm all four microspores of a tetrad are covered by a layer that is formed by:

1. Pectocellulose

2. Callose

3. Cellulose

4. Sporopollenin