Science : Ch 08 – How do Organisms Reproduce

The characteristics transmitted from parents to ofspring are present in

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

1. Large number of spores
2. Availability of moisture and nutrients in the bread
3. Presence of tubular branched hyphae
4. Formation of round shaped sporangia

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:

Characters transmitted from parents to ofspring are present in:

Which one of the following permanently marks the end of menstrual cycle in females ?

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

Slides of binary fission in Amoeba and budding in yeast were given for observa group of students. Some of the observations reported by the group are given below:

1. Cytokinesis was observed in the yeast cell.
2. A chain of buds were observed in Amoeba.
3. Single cell of Amoeba and single cell of yeast were undergoing binary fission and budding respectively
4. Elongated nucleus was dividing to form two daughter nuclei in Amoeba

Reproduction is essential for living organisms to order to:

Which of the following is a Bacterial STD?

In flowers,what is the female reproductive part called as?

A pair of long convoluted tubes that carry ova or eggs from the ovary to the uterus is known as

The development foetus takes place in mother’s body from

Which pollination increases genetic uniformity and decreases variations

The number of chromosomes shared from both male & female are