Flash Card
In case of plants like sugarcane and grasses, ........... occurs with the help of buds present on nodes.
Germ cells present in the ........... divide by meiosis to produce sperms.
Ovary is present at the basal end of each
Implantation of embryo occurs in .... .
Calyx and ................ are called as accessory whorls.
Spores released from sporangium of Mucor germinate in moist and warm place and form new fungal colony. It shows
A bisexual flower shows the presence of
The length of a sperm is about ............. micrometers.
The number of chromosome gets ............ in meiosis.
Testes are present in the ............, outside the abdominal cavity.
............. reproduces from buds on the leaf margin.
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.
In angiosperms, second male gamete fuses with two polar nuclei to form
............... is the structure inside which spores of bread mould are formed.
During fertilization in plants, the two male gametes are released by the pollen tube in .......... .
During seed germination ................ develops by using food stored in endosperm of the seed.
Each pollen tube contains
Which of these is the method of reproduction of yeast?
Spirogyra reproduces asexually by the method
Members of corolla are called as .................. and they are variously colored.
Fragmentation is observed in
............. is the union of sperm and ovum to initiate formation of a zygote.
Which of these is a sexually transmitted disease caused by bacteria?
Many flowers have a stalk for support and it is called as
During unfavourable or adverse conditions Amoeba forms a protective covering around its plasma membrane to form a
Complete the analogy and select the correct option. Ovary: Fruit:: Ovules:
Seminal vesicles release their secretion in
Amoeba shows both binary fission and
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.
During asexual reproduction, cells divide by the process of
By which of the following method Paramoecium divides?
Euglena divides by
Under favourable condition, Hydra reproduces by the process of
Each embryo sac consists of
BInary fussion occurs by
In humans, sperm production occurs in the ............ .
Twins born with some parts of body joined to each other are known as
............ present in semen gives energy to the sperms.
Identify the CORRECT statement from the following.
Menopause generally occurs at the age of about
In asexual reproduction there is no involvement of
Embryonic development in humans is completed approximately within ......... months after the fertilization.
Androecium and are the essential whorls.
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.
The property of complete regeneration is observed in
Menstrual cycle is a natural process, controlled majorly by ............... hormones.
Haploid male gamete fuses with haploid female gamete to form .......... zygote.
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?
