What is meant by budding?

In which organisms spore formation takes place?

What is meant by binary fission?

What is meant by ovulation?

What is the role of placenta?

What is the function of testes?

What is the function of prostate glands and seminal vesicles?

What is the function of ovaries?

Why is DNA copying an essential part of the process of reproduction?

What are bisexual organisms? Give examples.

Name those parts of the flower which server the same function as the following do in the animals.

(i) Testis (ii) Ovary

(iii) Eggs (iv) Sperms

What is the importance of variation for an organism?

What is so peculiar about the binary fission in leishmania?

What is the importance of:

(a) Mitosis (b) Meiosis?

Give the significance of vegetative propagation?

What is the difference between fragmentation and regeneration?

How does binary fission differ from multiple fission?

Why does menstruation occur?

Give two differences between pollination and fertilization.

How are modes for reproduction different unicellular and multicellular organisms? How does reproduction help in providing stability to population of species?

What is the vegetative propagation? Where this method of reproduction find its application? List the advantages of vegetative propagation.

What is meant by pollination? What are its two type? What are the agents which help in pollination?

Define the term double fertilization in plants. After fertilization name the part in each case which develops into (i) the fruit (ii) the seed.

Draw a labelled diagram which shows the process of fertilization in plants. Distinguish between a gamete and zygote.

(a) What is a clone? Why do offspring formed by asexual reproduction exhibit remarkable similarity?

(b) What is the basis for evolution? Where is the zygote located in the flower after fertilization?

Draw a labelled diagram of L.S. of flower. What is the function of anther?

In human males, the tests life in the scrotum, because it helps in the:

Which among the following is not the function of testes at puberty?

(i) formation of germ cells

(ii) secretion of testosterone

(iii) development of placenta

(iv) secretion of oestrogen

The correct sequence of organs in the male reproductive system for transport of sperm is:

Which among the following diseases is not sexually transmitted?

Which among the following statements are true for sexual reproduction in flowering plants?

(i) it requires 2 types of gamete

(ii) fertilization is a compulsory event

(iii) it always results in formation of zygote

(iv) offspring formed as clones

In figure the parts A, B and C are sequentially:

Offspring formed as a result of sexual reproduction exhibits more variations because:

Reproduction is essential for living organisms in order to:

During adolescence, several changes occur in the human body. Mark one change associated with sexual maturation in boys:

In human females, an event that reflects onset of reproductive phase is:

In Rhizopus, tubular thread-like structures bearing sporangia at their tips are called:

Vegetative propagation refers to formation of new plants from:

Factors responsible for the rapid spread of bread mould on slices of bread are:

(i) large number of spores

(ii) availability of moisture and nutrients in bread

(iii) presence of tubular branched hypae

(iv) formation of round shaped sporangia

Length of pollen tube depends on the distance between:

Which of the following statements are true for flowers?

(i) Flowers are always bisexual

(ii) They are the sexual reproductive organs

(iii) They are produced in all groups of plants

(iv) After fertilization they give rise to fruits

Which among the following statements are true for unisexual flowers?

(i) they possess both stamen and pistil

(ii) they possess either stamen or pistil

(iii) they exhibit cross-pollination

(iv) unisexual flowers possessing only stamens cannot produce fruits

Characters transmitted from parents to offspring are present in:

The ability of a cell to divide into several cells during reproduction in Plasmodium is called:

The correct sequence of reproductive stages seen in flowering plants is:

The number of chromosomes in parents and offsprings of a particular species remains constant due to:

Write true or false for the following statements:

Menstruation lasts for about ten to fifteen days.

Write true or false for the following statements:

Ovary releases three eggs every month.

Write true or false for the following statements:

The development of the child inside the mother’s body takes approximately eleven months.

Write true or false for the following statements:

Along the path of vas deferens, glands like the prostate and the seminal vesicles add their secretions for the nutrition and easier transport of the sperms.

Write true or false for the following statements:

The female germs cells or eggs are made in the uterus.

Write true or false for the following statements:

The fertilization takes place in the ovaries.

Write true or false for the following statements:

The uterus opens into the vagina through the cervix.

Write true or false for the following statements:

The two oviducts unite into an elastic bag-like structure known as the uterus.

Write true or false for the following statements:

If the egg is not fertilized, it lives for about one day.

Write true or false for the following statements:

Thick and spongy lining of uterus is required for nourishing the embryo if fertilization had taken place.