SSC (English Medium) 10th Standard - Maharashtra State Board Question Bank Solutions for Science and Technology 2

Which parts are converted into Seed and fruit respectively after fertilization?

How can plants and animals save themselves from extinction?

Give scientific reason.

The new individual produced by sexual reproduction always has the recombined genes of both the parents.

Explain the process of fertilization.

What would be the effect if meiosis did not occur in nature?

State whether True or False:

The chromosome number in germ cells producing the gametes are diploid.

In which part of the human female reproductive system do the following events take place?

Fertilization

What are autosomes chromosomes?

What is sex chromosomes?

Match the pair:

In which part of the human female reproductive system do the following events take place?

Implantation

What is menstrual cycle? Describe it in brief.

Sketch the labelled diagram.

Menstrual cycle

Observe the figure and answer the questions given below.

a) What does the above figure indicate?
b) Which human organs are involved in this process?
c) Name the hormones responsible for this process.
d) After how many days these repetitive changes take place?
e) ‚A woman should stay away from others, as her body is impure during this process.‛ What is your opinion about this statement? Elaborate it.

Follicle stimulating hormone : Development of oocyte : : Luteinizing hormone : ____________

What is the menstrual cycle?

State the names of four hormones which control menstrual cycle.

Write the answers to the following questions by observing the figure below.

1. What does the figure above show?
2. Which organs are involved in this process?
3. Which hormones are involved in this process?
4. After how many days do these changes happen again?
5. Explain your opinion about the statement that a woman's body is impure while the above process is going on.

Observe the figure and label it properly.

1. Name the hormone that regulates the cycle.
2. Name the phases in this cycle.
3. What is the duration of ovulation phase?
4. What happens if implantation occurs?
5. What happens if implantation does not occur?

Answer the following questions by observing the diagram of menstrual cycle: 

1. What is the period of menstruation?
2. On which day does ovulation occur during the menstrual cycle?
3. In the menstrual cycle which reproductive organs undergo changes?
4. Which period is said to be the period of regeneration of endometrium?
5. Which period is said to be the period of secretions of glands in endometrium?