Synapsis occur between ______.

(a)

mRNA and ribosomes

(b)

spindle fibres and centromeres

(c)

two homologous Chromosomes

(d)

a male and a female gamete

In meiosis crossing over is initiated at ______.

(a)

Diplotene

(b)

Leptotene

(c)

Pachytene

(d)

Zygotene

Colchicine prevents the mitosis of the cells at which of the following stage ______.

(a)

Anaphase

(b)

Metaphase

(c)

Prophase

(d)

Interphase

The paring of homologous Chromosomes on meiosis is known as _____.

(a)

Bivalent

(b)

Synapsis

(c)

Disjunction

(d)

Synergids

Anastral mitosis is the characteristic feature of _________

(a)

Lower animals

(b)

Higher animals

(c)

Higher plants

(d)

All living organisms