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