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