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