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