Explanation

The three types of pollution are:

• Air Pollution: Harmful substances released into the air, like carbon monoxide and sulfur dioxide.
• Water Pollution: Contamination of water sources with pollutants such as industrial waste and sewage.
• Land Pollution: Degradation of land through activities like deforestation and improper waste disposal.

Explanation

1. Filter blood: Kidneys filter waste products and excess fluid from the blood. 
2. Excrete waste: Kidneys excrete waste products, like urea and uric acid, into the urine. 

Explanation

• Herbivores are animals that eat only plants, including leaves, stems, roots, flowers, fruits, and seeds.
• Examples of herbivores include cows, deer, rabbits, and elephants.

Explanation

The S phase (Synthesis phase) of the cell cycle is when DNA replication and chromosome duplication occur.

It ensures each daughter cell receives a complete set of genetic material during cell division.

Explanation

Seafood, especially sea fish and seaweed, are rich in iodine, a mineral vital for thyroid function.

Iodine is naturally present in the ocean, making marine foods the best dietary source.

Explanation

During systole, the right ventricle pumps blood into the pulmonary arteries (to the lungs).

The left ventricle pumps blood into the aorta (to the rest of the body).

Explanation

Cremocarp is a dry schizocarpic fruit that splits into two one-seeded mericarps.

It is commonly found in plants of the Apiaceae (Umbelliferae) family, like fennel and coriander.

Explanation

The word "malaria" comes from the Italian "mal" (bad) + "aria" (air), meaning "bad air."

It was once believed that malaria was caused by breathing unhealthy air from swamps.

Explanation

Cockroaches eat both plant and animal matter, making them omnivores.

They are scavengers that feed on a wide variety of organic material.

Explanation

The capsule is a protective, gelatinous layer outside the bacterial cell wall.

It helps bacteria avoid phagocytosis and enhances their ability to cause disease.