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