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