Flash Card
Which of the following is NOT the paired structure in human male reproductive system?
............. is the union of sperm and ovum to initiate formation of a zygote.
Menstrual cycle is a natural process, controlled majorly by ............... hormones.
Identify the CORRECT statement from the following.
Spores released from sporangium of Mucor germinate in moist and warm place and form new fungal colony. It shows
Which of these plant parts become sticky during pollination?
During fertilization in plants, the two male gametes are released by the pollen tube in .......... .
Which of these is the method of reproduction of yeast?
Embryonic development in humans is completed approximately within ......... months after the fertilization.
............. reproduces from buds on the leaf margin.
Germ cells present in the ........... divide by meiosis to produce sperms.
Each embryo sac consists of
Fragmentation is observed in
In ..............., the parent cell divides to form two similar daughter cells. It occurs either by mitosis or amitosis.
Testes are present in the ............, outside the abdominal cavity.
During unfavourable or adverse conditions Amoeba forms a protective covering around its plasma membrane to form a
Seminal vesicles release their secretion in
Many flowers have a stalk for support and it is called as
In asexual reproduction there is no involvement of
In angiosperms, second male gamete fuses with two polar nuclei to form
The property of complete regeneration is observed in
............ present in semen gives energy to the sperms.
In case of plants like sugarcane and grasses, ........... occurs with the help of buds present on nodes.
Which of these is a sexually transmitted disease caused by bacteria?
Ovary is present at the basal end of each
By which of the following method Paramoecium divides?
The length of a sperm is about ............. micrometers.
Each pollen tube contains
A bisexual flower shows the presence of
BInary fussion occurs by
During seed germination ................ develops by using food stored in endosperm of the seed.
Menopause generally occurs at the age of about
...............have filamentous body and generally grow on wet bread kept in a humid place.
Spirogyra reproduces asexually by the method
Ovulation occurs usually on .......... day of menstrual cycle.
In humans, sperm production occurs in the ............ .
During asexual reproduction, cells divide by the process of
Under favourable condition, Hydra reproduces by the process of
Implantation of embryo occurs in .... .
Euglena divides by
Body breaks up into several fragments and each fragment starts to live as a new individual. This is ........... type of reproduction.
Members of corolla are called as .................. and they are variously colored.
Androecium and are the essential whorls.
In which of these techniques, fertilization is brought about in the test-tube and the embryo formed is implanted in uterus of woman at appropriate time?
The number of chromosome gets ............ in meiosis.
Amoeba shows both binary fission and
Complete the analogy and select the correct option. Ovary: Fruit:: Ovules:
Calyx and ................ are called as accessory whorls.
Haploid male gamete fuses with haploid female gamete to form .......... zygote.
Twins born with some parts of body joined to each other are known as
............... is the structure inside which spores of bread mould are formed.
