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