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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 ?
Gametes are the haploid cells which are formed in the reproductive organs. The primary reproductive organs are known as gonads.
The organs namely: testes in male and ovaries in females.
The male gamete is called sperm and is formed in testes.
The female gamete is called ovum and is formed in ovaries.
Both male and female gametes are formed by the process called gametogenesis.
Gametes are not diploid. Gametes formed by gametogenesis are the haploid cells.
They do not give rise to gonads. They are formed from the gonads.
They do not produce hormones. They fuse together to form zygotes which develop into an embryo.
They are formed from gonads which are true of 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 :-