C-11 — Reproduction in Organism

What is reproduction?

If only death occurred and no reproduction, organisms would —

How many types of reproduction are there?

The two types of reproduction are —

In sexual reproduction, what fuses?

The male reproductive cell is called —

The female reproductive cell is called —

Plants where two types of reproductive cells are produced in the same body are called —

Plants where two types of reproductive cells are produced in separate bodies are called —

The precondition for developing a reproductive cell is that the germinal mother cell divides through —

After meiosis, the chromosome number in a reproductive cell becomes —

The zygote is formed by —

After zygote formation, the chromosome number becomes —

The zygote develops into a new body through —

Why is variation more common in sexual reproduction than asexual?

In which simpler organisms is asexual reproduction common?

Why does asexual reproduction still exist in simpler organisms?

Consider the following about asexual reproduction:

A flower is —

How many whorls does a complete flower have?

Which two whorls are directly involved in reproduction?

A flower having all five whorls is called —

Which is an example of a complete flower?

An example of an incomplete flower is —

According to the textbook, flowers with pedicel are called —

According to the textbook, an example of non-sessile flower is —

When both androecium and gynoecium are present in a flower, it is called —

Bisexual flower example —

If androecium or gynoecium is absent, the flower is called —

Unisexual flower example —

If both androecium and gynoecium are absent, the flower is called —

The thalamus is —

The outermost whorl of a flower is —

Each part of the calyx is called —

When sepals are not separated, the calyx is called —

When sepals are separated, the calyx is called —

The main function of the green calyx is —

The second outermost whorl is —

Each segment of the corolla is called —

If petals in a corolla are separate, the corolla is called —

If petals are wholly or partially fused, the corolla is called —

Function of corolla includes —

The third whorl from outside is —

Each part of an androecium is called —

The two main parts of a stamen are —

The stalk-like part of a stamen is —

The sac-like apical structure of a stamen is —

The part that connects the anther to the filament is —

Pollens develop in —

Male gamete is produced in —

When all filaments merge into a single tube-like group, it is called —

Example of monadelphous —

When filaments are attached in two groups, it is called —

Diadelphous example —

When filaments are attached in many groups, it is called —

Polydelphous example —

When anthers unite into a single group, it is called —

According to textbook, the state of the stamen described in Datura is —

The gynoecium is located —

Each part of a gynoecium is called —

The three parts of a carpel are —

When carpels are completely merged with each other, the gynoecium is called —

When carpels are separated, the gynoecium is called —

The female reproductive cell (ovum) is produced inside —

Clusters of flowers arranged on a branch is called —

The axis on which flowers are orderly arranged is called —

Indefinite (recemose) inflorescence has —

Definite (cymose) inflorescence has —

The two consecutive steps of reproduction in flowers are —

Pollination is also called —

Pollination is a precondition for —

Pollination is —

Pollination is of how many types?

Self-pollination occurs —

Self-pollination example —

Cross-pollination occurs —

Cross-pollination example —

Which is an advantage of self-pollination?

A disadvantage of self-pollination is —

An advantage of cross-pollination is —

A disadvantage of cross-pollination is —

Which is NOT a medium of pollination?

Insect-pollinated flowers usually have —

Insect-pollinated flower example —

Air-pollinated flowers are —

Air-pollinated flower example —

In water-pollinated plants, the petiole of female flower is —

Water-pollinated flower example —

Animal-pollinated flower example —

Consider the following about insect-pollinated flowers:

The first cell of a male gametophyte is —

Pollen mother cell (2n) produces how many daughter pollen cells through meiosis?

Daughter pollen cells are —

Mitotic division of pollen nucleus produces —

The larger cell formed in pollen division is —

The smaller cell formed in pollen division is —

The tube cell turns into —

The two male gametes are produced from —

Megasporogenesis occurs near —

The cell undergoing megasporogenesis divides through meiosis into how many haploid cells?

After meiosis in megasporogenesis, how many cells survive (rest disintegrate)?

The surviving haploid cell matures into —

The two nuclei from opposing poles fuse to form —

The egg apparatus consists of —

The cell occupying the middle place in the egg apparatus is —

The two cells beside the egg in the egg apparatus are called —

The cells in the opposite pole to the egg apparatus are —

After landing on the stigma, the pollen tube grows by —

The pollen tube ejects how many male gametes into the embryo sac?

One male gamete fuses with the egg to form —

The other male gamete fuses with the secondary nuclei to form —

The phenomenon where two fusions occur at about the same time is called —

The first cell of a sporophyte is —

After zygote's first transverse division, the cell towards the micropyle is —

The cell towards the centre of embryo sac after first division is —

The apical cell turns into —

After zygote division, which structures develop one after another in the embryo?

The endosperm cells are —

At maturity, the ovule with endosperm and embryo turns into —

After fertilization, the ovary turns into —

If only the ovary turns into a fruit, it is called —

True fruit example —

False fruit example —

True and false fruits are grouped into how many categories?

Which is NOT a category of fruit?

The sporophyte and gametophyte alternate in the life cycle of —

How many types of reproduction occur in the animal kingdom?

Asexual reproduction in animals occurs in —

Which is NOT a type of asexual reproduction in animals?

Sexual reproduction in animals requires —

The fusion of sperm and ovum is called —

The cell formed by the fusion of sperm and ovum nuclei is —

Each sperm and ovum contains —

The zygote is —

Once an ovum is fertilized —

On the basis of place of occurrence, fertilization in animals is of how many types?

External fertilization takes place —

External fertilization is common in —

Exception to external fertilization in fishes is —

Internal fertilization takes place —

Internal fertilization is characteristic of —

Significance of fertilization includes —

Hormones are secreted from —

Hormones are transported in the body through —

Which is NOT an endocrine gland involved in reproduction?

Growth-stimulating hormone is produced by —

Pituitary hormones regulate —

The thyroid gland secretes —

Thyroxine regulates —

Hormones from the adrenal gland regulate —

Testosterone is secreted from —

Testosterone helps in —

Male secondary sexual characteristics include —

Hormones secreted by the ovary include —

Ovarian hormones cause —

The placenta produces —

The transitional period between adolescence and youth is called —

External changes in males during puberty include —

External changes in girls during puberty include —

The monthly discharge of blood from the uterus at regular intervals is called —

After how many years of puberty do girls gain reproductive ability?

Reproductive ability in females usually continues up to about —

Permanent cessation of the menstrual cycle is called —

Menstruation is temporarily stopped during —

After child birth, the menstrual cycle restarts after —

According to the textbook, a female should not marry before —

The fusion of sperm and egg nucleus in humans occurs in the —

A human ovum is fertilized with —

Marriage is described as —

Consider the following about menstruation:

The fertilized egg passes from the oviduct to —

The cell division that begins immediately after fertilization is called —

At the last stage of cleavage, the embryo is called —

The embedding of blastocyst into the uterine wall is called —

The time between implantation and child birth is called —

The embryo or fetus develops in the uterus for —

The placenta is —

Implantation is completed within how many days after the embryo reaches the uterus?

The placenta is formed within how many weeks of zygote formation?

The placenta acts like —

The embryo is attached to the placenta by —

The placenta transfers from mother to fetus —

Hormones secreted by the placenta during pregnancy help in —

The series of embryonic membranes is essential for —

The 16-cell structure formed approximately 72 hours after fertilization is called —

After how many weeks is the embryo floating in a fluid-filled sac with a beating heart and developing brain?

After how many weeks is the embryo called fetus?

After approximately 28 weeks, the foetus is —

The foetus moves its head downward in preparation for birth at about —

Average human pregnancy lasts approximately —

Hormones from anterior pituitary and placenta in the last stage —

At the last stage of childbirth, what bursts releasing fluid?

The placenta is eliminated from the body —

AIDS was discovered in —

The full form of AIDS is —

According to UNAIDS 2023, how many people are infected with AIDS worldwide?

About what percentage of AIDS-infected persons are female (UNAIDS 2023)?

According to WHO, AIDS is spreading in approximately how many countries?

AIDS is caused by —

HIV destroys which type of cells?

HIV destruction of WBCs results in —

The structural components of HIV include —

Which is a route of AIDS transmission?

AIDS does NOT spread directly from —

A baby may be infected from an HIV-infected mother during —

Sharing of which is a route for AIDS transmission?

Even using the same blade in a saloon may transmit —

Symptoms of AIDS first appear how long after HIV entry into body?

HIV may remain dormant in the body for —

Which is NOT a symptom of AIDS?

AIDS symptoms also include —

Consider the following about HIV transmission:

Which flower has diadelphous stamens?

Wind-pollinated flowers—

Which part of the figure transforms into endosperm?

Which part of the figure plays a role in embryo formation?

What is an anther sac?

Determinate (cymose) inflorescence is characterized by —

If the anther of a flower is absent, then —

The gynoecium helps preserve the species mainly by —

AIDS is called a deadly disease because —

A boy's voice has deepened, he is getting taller and loses temper easily. He is in stage —

Which change occurs in girls during puberty but NOT in boys?

Which change occurs in boys during puberty but NOT in girls?