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