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