C++ | MCQs

Explanation

Desert, grassland, forest, highland, valley, urban, and rural are all examples of different types of land environments

Explanation

• Iron Rock is a non-living component, an abiotic factor.
• It is not included in the living components of the land environment.

Explanation

• Air, water, sun, land, rocks, and light are all examples of non-living components and abiotic factors.
• Non-living components refer to the physical elements of an ecosystem that are not alive.
• Abiotic factors refer to the non-living components of an ecosystem that affect the living organisms that inhabit it.

Explanation

• Hygiene refers to the practice of maintaining cleanliness and purity to promote health and prevent disease.
• It includes habits such as washing hands regularly, bathing, brushing teeth, and wearing clean clothes.

Explanation

• Kwashiorkor is a disease that occurs when a diet has an inadequate amount of protein relative to carbohydrates, leading to an imbalance.
• This imbalance can cause swelling, fatigue, and poor growth, and typically affects older children.

Explanation

• Marasmus is a severe form of protein-energy malnutrition that affects infants and young children.
• It leading to weight loss, wasting of fat and muscle, stunted growth, and developmental delays.

Explanation

The amount of protein for a healthy child aged 7-14 is approximately:

• 1g per kilogram of body weight for children with minimal activity
• 1.3g per kilogram of body weight for children completing moderate levels of exercise
• 1.6g per kilogram of body weight for children carrying out intense exercise

Explanation

The diseases caused by deficiency of Copper is:

• Anaemia
• Kidney problems
• Starvation

Note: According to Sindh Textbook Board, Jamshoro

Explanation

• Carbohydrates are the body's primary source of instant energy.
• They are broken down into glucose.
• Which is absorbed into the bloodstream and transported to cells throughout the body.
• Where it is converted into energy.

Explanation

• Plants prepare their food (glucose) through photosynthesis.
• Which requires sunlight, water, carbon dioxide, and chlorophyll.
• Sunlight provides the energy needed to power the photosynthetic process.