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