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