Science : Ch 08 – How do Organisms Reproduce

Fertilisation is the process of

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

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

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

Which of the following statements are true for fowers?

1. Flowers are always bisexual
2. They are the sexual reproductive organs
3. They are produced in all groups of plants
4. After fertilization they give rise to fruits

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

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

1. It requires two types of gametes.
2. Fertilisation is a compulsory event.
3. It always results in the formation of zygote.
4. Offsprings formed are clone

Which one of the following best describes the function of the umbilical cord?

Which among the following diseases is not sexually transmitted?

The number of chromosomes in parents and ofsprings of a particular species remains unchanged due to

What is the mode of asexual reproduction in hydra?

Which of the following is a bacterial STD?

which of the following is a viral STD?

What do you understand by Puberty?

A small family is a happy family means