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