Explanation

• The nose contains the odor receptors that detect smells.
• But the olfactory bulb is the part of the brain.
• It is receives and processes the information from those receptors.

Explanation

• When yeast is added to dough, it ferments the sugars, producing carbon dioxide gas as a byproduct.
• This causes the dough to rise, making it lighter and airier.

Explanation

• Fungi are multicellular organisms, consisting of many cells that work together to form complex structures like mushrooms and molds.
• They have modified cell wall and nucleus.
• They have not chlorophyll.
• Plants are multicellular, composed of many cells that work together to form roots, stems, leaves, and other structures.
• They have modified cell wall and nucleus.
• They have chlorophyll.
• Animals, including humans, are multicellular organisms made up of many cells that work together to form tissues, organs, and systems.
• They have modified nucleus but don't have cell wall.
• They have not chlorophyll.

Explanation

The Mullerian ducts develop into the female reproductive structures such as:

• the fallopian tubes
• uterus
• the upper part of the vagina.

The ductus deferens is derived from the Wolffian ducts and is part of the male reproductive system.

Explanation

• A storeroom is a room or area used for storing goods, supplies, or equipment, and is not a type of environment.
• Environments are typically categorized as natural or human-made and include ecosystems, habitats, and physical surroundings that support life.

Explanation

• Iodine deficiency can cause mental retardation in children.
• Particularly if the deficiency occurs during fetal development or early childhood.
• This is because iodine is essential for brain development and thyroid function.

Explanation

Fruits and vegetables are rich in various vitamins, such as:

• Vitamin C (citrus fruits, strawberries, bell peppers)
• Vitamin A (sweet potatoes, carrots, dark leafy greens)
• Vitamin K (leafy greens, broccoli, cauliflower)
• Folate (dark leafy greens, citrus fruits, legumes)

Explanation

• The word "science" is derived from the Latin word "scientia," which means "knowledge" or "knowing."
• This Latin word is itself derived from the verb "scire," which means "to know."

Explanation

• When we inhale, the air enters the nostrils and passes through the nasal cavity, then travels down the pharynx (throat) and into the trachea (windpipe).
• The trachea divides into two bronchi, one for each lung, and the air then enters the lungs, where oxygen is absorbed into the bloodstream and carbon dioxide is removed.

Explanation

• African elephants have larger ears than Asian elephants.
• African elephants live in the savannas and need protection from the sun.
• So their ears are bigger to help them stay cool.