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