The primary reason for increase in human population is :-
Female sex hormones are :-
The normal duration of menstrual cycle is :-
The span of menstrual cycles is about 28 days.
Which of these secretes seminal fluid ?
What is true for gametes ?
Egg-producing animals such as birds are called :-
Vegetative propagation in Bryophyllum takes place by :-
The group of petals is called :-
During grafting, the portion of plant that is grafted is called :-
In roses, the method commonly used to produce new plants is :-
Development of an organism from an unfertilised ovum is called :-
Which of the following can reproduce through regeneration ?
Binary fission is a form of :-
Sperms move by :-
Male hormone is :-
Which of the following organisms shows budding :
During pollination, pollen grains get carried to which part of the carpel ?
Stem cutting are commonly used for propagation in :-
Vegetative reproduction in plants like citrus, jasmine and grapevine is done by the process of :-
In Spirogyra, asexual reproduction, takes place by .................
The common passage for sperms and urine in the male reproductive system is:
Which one of the following is concerned with asexual reproduction ?
The most fundamental characteristics of living being :-
At the time of entering into ovule, pollen tube has :
The transfer of pollen grains from anther to stigma is termed :-