Nutrition and Food Sources

This is the correct answer.

Dietary proteins that contain all 10 essential amino acids are called complete proteins, while that dietary proteins which contain some, but not all, of the essential amino acids are called incomplete proteins. Plant proteins are considered incomplete proteins.

Milk and dairy products are rich in calcium and vitamin D, which are essential nutrients for building and maintaining strong bones and teeth. Pizza (depending on toppings), meat, fish, fruits, and vegetables provide other nutrients but dairy is specifically known for bone health due to its calcium content.

Moringa leaves (drumstick leaves) contain exceptionally high levels of carotene (precursor to Vitamin A) compared to common vegetables like lady finger, brinjal, or amaranthus. Moringa is known for its exceptional nutritional profile.

Vegetables are the most comprehensive natural source of vitamins and minerals, providing Vitamin A, C, K, folate, potassium, magnesium, and many others. While cereals provide some B vitamins and minerals provide calcium, vegetables offer the widest variety of micronutrients.

A fact is a statement that is true and can be proven. A fact is true and correct no matter what. An opinion, however, is a statement that holds an element of belief; it tells how someone feels. An opinion is not always true and cannot be proven. Statements I and II are facts as they can be proven. Statement III is an opinion as the word 'can' suggests possibility and hence, forms an opinion. So, option 3 is the correct answer.

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Green leafy vegetables like spinach, fenugreek, and amaranth leaves contain significant iron, though pulses (especially with vitamin C) and eggs are also excellent sources. The key is iron bioavailability - plant-based iron is enhanced when consumed with vitamin C-rich foods.

Milling removes the outer bran and germ layers of grains, which actually DECREASES calcium content along with other nutrients like fiber, iron, and B vitamins. The statement that milling increases calcium content is factually incorrect, making it the answer to 'which statement is not correct.' Parboiling, malting, and sprouting do preserve or increase nutrients as stated.

Vitamin C is found primarily in fruits and vegetables. Eggs are a source of protein, fats, and various vitamins (like B12 and D), but they do not contain vitamin C.

Avocados are widely considered one of the most nutrient-dense fruits due to their high content of healthy fats, fiber, vitamins, and minerals. Compared to the other options, they offer a superior nutritional profile.

Scurvy is caused by a deficiency of Vitamin C. Lemons are a rich source of Vitamin C, making them an effective dietary intervention.

Proteins are essential for the growth and repair of body tissues, making them the most critical nutrient for children during their rapid growth phase.

It is used as a supplementary food for humans and animals.