Biology - Life processes Flashcards

1
Q

What are the six essential nutrients?

A

Carbohydrates, Proteins, Fats, Vitamins, Minerals, Water

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2
Q

True or False: Vitamins provide energy to the body.

A

False

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3
Q

Fill in the blank: The primary function of carbohydrates is to provide _____ to the body.

A

energy

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4
Q

Which nutrient is primarily responsible for growth and repair of tissues?

A

Proteins

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5
Q

What type of fat is considered healthy and can be found in olive oil?

A

Monounsaturated fats

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6
Q

Multiple choice: Which vitamin is primarily obtained from sunlight?

A

Vitamin D

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7
Q

True or False: Water is considered a macronutrient.

A

True

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8
Q

What is the role of dietary fiber in nutrition?

A

To aid in digestion and prevent constipation

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9
Q

Fill in the blank: The recommended daily intake of water is about _____ liters for adults.

A

2-3

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10
Q

Which mineral is essential for oxygen transport in the blood?

A

Iron

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11
Q

Multiple choice: Which of the following is a complete protein source?

A

Eggs

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12
Q

True or False: All fats are bad for health.

A

False

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13
Q

What is the primary source of energy for athletes during prolonged exercise?

A

Carbohydrates

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14
Q

Fill in the blank: A deficiency in vitamin C can lead to _____ disease.

A

scurvy

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15
Q

Which nutrient is crucial for maintaining healthy bones?

A

Calcium

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16
Q

Multiple choice: What is the primary function of antioxidants?

A

To protect cells from damage

17
Q

True or False: Protein can be stored in the body for later use.

18
Q

What is the function of essential fatty acids in the body?

A

To support cell structure and function

19
Q

Fill in the blank: The body requires _____ amino acids from food, known as essential amino acids.

20
Q

Which vitamin is important for vision?

21
Q

Multiple choice: Which of the following foods is a good source of omega-3 fatty acids?

22
Q

True or False: A balanced diet includes a variety of foods from all food groups.

23
Q

What is the role of probiotics in nutrition?

A

To promote gut health

24
Q

Fill in the blank: The _____ index measures how quickly foods raise blood sugar levels.

25
What is the main function of B vitamins?
To help the body convert food into energy
26
Multiple choice: Which mineral is important for thyroid function?
Iodine
27
True or False: Processed foods often contain added sugars and unhealthy fats.
True
28
What is the significance of the food pyramid?
It serves as a guide for a balanced diet.
29
why do herbivores have longer Small intstine ?
Herbivores have longer small intestines than carnivores because they eat plant and grass-based foods high in cellulose and need a long time to digest. Bile is a digestive liquid that the liver secretes and stores in the gallbladder. Bile's purpose in the gut is to aid fat digestion and absorption.
30
How are lungs designed in human beings to maximize the area for exchange of gases?
The walls of the alveoli are supplied with an extensive network of blood vessels. - So lungs maximize the area for a gaseous exchange through the presence of large numbers of alveoli which are richly supplied with blood. - To make a gas exchange in lungs the alveoli are adapted to happen easily and efficiently.
31
Write the erode of any three digestive enzymes in human digestive System.
The impact caused by the disposal of millions of these cups on a daily basis caused a serious environment concern and disposable Kulhads, made of clay, were used instead. However, this resulted in loss of the fertile top-soil and hence was discontinued and has now been replaced by disposable paper cups.
32
Photosynthesis is necessary event of earth. Justifies this Statement.
In the absence of photosynthesis there would be no oxygen which is essential for the survival of all living beings and also if plants do not follow photosynthesis, they won't remain healthy and will soon die . Due to this, other human beings and animals will not receive food and soon they will also perish .Thus, we can say that life would be impossible on the earth in the absence of photosynthesis.