Biology Test 14...

What is the function of copper-T

In amniocentesis, the fluid is taken from

Which of these is not an Assisted Reproductive Technology (ART)?

The 20^th century has witnessed a remarkable increase in the population of the world and especially so in India. One major factor for this is that

The replacement of the normal sexual reproduction by asexual reproduction, without fertilization is termed as

In which one of the following, the male and female gametophytes don't have free-living independent existence?

In conjugation, 

(a) Temporary union of two parents of the same species involved 
(b) parents exchange their male pronuclei and then separate 
(c) The fusion of two gametes of the same parent 
(d) nucleus divides first and the up next to it subsequently

Which of the following groups of cells in the male gonad represent haploid cells?

To oogamy, fertilization involves :

Flowers consist of 4 whorls, the two outer ones are sterile and the other two inside whorls produce the haploid reproductive structures. These whorls, arranged from outside to inside is correct order are