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