Explanation

 The primary function of carbohydrates in the human body is to provide energy.

They are broken down into glucose, which is the body's main source of fuel for cells, tissues, and organs.

Excess glucose is stored in the liver and muscles for later use. 

Explanation

• Rabbits feed on seeds and leaves, which are plant materials, making them herbivores.
• Herbivores are animals that primarily consume plants and plant products, such as leaves, stems, roots, flowers, fruits, and seeds.

Explanation

Explanation

Lightning provides the high energy needed to break the strong bonds of nitrogen (N₂) in the atmosphere.

This allows nitrogen to combine with oxygen, forming nitrites and nitrates that plants can absorb.

Explanation

Vaccination introduces weakened or inactive germs (antigens) into the body.

In response, the immune system produces antibodies to recognize and fight future infections.

Explanation

The septum is the muscular wall that separates the right and left sides of the human heart.

It prevents the mixing of oxygenated and deoxygenated blood between the two sides.

Explanation

• Unicellular organisms, like Amoeba and Paramecium, are composed of only one cell.
• Plants (fern and coconut) and animals (hydra and eagle) are composed of many cells, making them multicellular organisms.

Explanation

• Microscopes are used to magnify and observe tiny objects.
• Such as microorganisms, cells, and tiny structures.
• That are not visible to the naked eye.

Explanation

• Chloroplasts are organelles found in plant cells.
• Animal cells do not have chloroplasts.
• That's why chloroplast is a major difference between animal and plant cells.

Explanation

Pesticides are chemicals used to kill or repel insects that damage plants and crops.

They help protect agricultural yield by controlling pest populations.