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