English Medium कक्षा १० - CBSE Question Bank Solutions for Science

What is puberty?

In flowering plants, the pollen grains are transferred to stigma by pollination but the female germ cells are present in the ovary.
Explain with the help of a labelled diagram (only concerned parts), how the male germ cell reaches the ovary.

Consider the following three flowers namely X, Y and Z. Which flower(s) would develop into a fruit?

Flower X	Flower Y	Flower Z

Explain the post fertilization changes that occur in the ovary of a flower.

Given below is a diagram of a germinating seed. Label the parts that:

1. gives rise to future shoot.
2. gives rise to future root system.
3. stores food. 

State the post-fertilisation changes that lead to fruit formation in plants.

Describe the structure of nephrons.

What are the methods used by plants to get rid of excretory products?

How is the amount of urine produced regulated?

The kidneys in human beings are a part of the system for ______.

Draw the well-labelled diagram of the human excretory system

Define excretion.

Name the basic filtration unit present in the kidney.

Name an animal which absorbs oxygen through its moist skin.

What gaseous waste products are excreted by plants?

Where is the dirty blood in our body filtered?

Name the procedure used in the working of artificial kidney.

Name a waste gas released by the plants only during the daytime.

Name a waste gas released by the plants only during the night time.

State whether the following statement is true or false:

Some organisms store wastes in body parts.