During seed germination ................ develops by using food stored in endosperm of the seed.

Which of these is the method of reproduction of yeast?

Each embryo sac consists of

Ovulation occurs usually on .......... day of menstrual cycle.

The property of complete regeneration is observed in

The length of a sperm is about ............. micrometers.

Ovary is present at the basal end of each

The number of chromosome gets ............ in meiosis.

Seminal vesicles release their secretion in

During asexual reproduction, cells divide by the process of

Body breaks up into several fragments and each fragment starts to live as a new individual. This is ........... type of reproduction.

Identify the CORRECT statement from the following.

Menstrual cycle is a natural process, controlled majorly by ............... hormones.

Many flowers have a stalk for support and it is called as

In humans, sperm production occurs in the ............ .

Implantation of embryo occurs in .... .

Complete the analogy and select the correct option. Ovary: Fruit:: Ovules:

Germ cells present in the ........... divide by meiosis to produce sperms.

In ..............., the parent cell divides to form two similar daughter cells. It occurs either by mitosis or amitosis.

Testes are present in the ............, outside the abdominal cavity.

Androecium and are the essential whorls.

During fertilization in plants, the two male gametes are released by the pollen tube in .......... .

Menopause generally occurs at the age of about

Each pollen tube contains

............. is the union of sperm and ovum to initiate formation of a zygote.

Haploid male gamete fuses with haploid female gamete to form .......... zygote.

............... is the structure inside which spores of bread mould are formed.

A bisexual flower shows the presence of

Euglena divides by

Which of these plant parts become sticky during pollination?

Which of these is a sexually transmitted disease caused by bacteria?

...............have filamentous body and generally grow on wet bread kept in a humid place.

Calyx and ................ are called as accessory whorls.

In case of plants like sugarcane and grasses, ........... occurs with the help of buds present on nodes.

Which of the following is NOT the paired structure in human male reproductive system?

Spirogyra reproduces asexually by the method

Members of corolla are called as .................. and they are variously colored.

Twins born with some parts of body joined to each other are known as

In asexual reproduction there is no involvement of

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

Spores released from sporangium of Mucor germinate in moist and warm place and form new fungal colony. It shows

Fragmentation is observed in

By which of the following method Paramoecium divides?

BInary fussion occurs by

Embryonic development in humans is completed approximately within ......... months after the fertilization.

Under favourable condition, Hydra reproduces by the process of

Amoeba shows both binary fission and

............. reproduces from buds on the leaf margin.

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?

............ present in semen gives energy to the sperms.