Proteins

Q. Sodium hydroxide and copper sulphate are used to test the presence of in the food.

1. fat
2. protein
3. carbohydrate

Q. Food containing ___________ and _________ are called energy giving foods.

1. vitamin B and vitamin C
2. fats and carbohydrates
3. proteins and fats
4. proteins and minerals

Q.

What are the three main types of foods? What are their constituents? Elaborate.

Q.

Animal food is usually rich in proteins.

1. True

2. False

Q. In Biuret test, the presence of ________ is indicated by violet colour.

1. proteins
2. fats
3. carbohydrates
4. vitamins

Q.

Give the appropriate biological or technical term for the following:

The complex consisting of a DNA strand and a core of histones.

Q. Which of the following helps in removal of undigested food from the body?

1. Carbohydrate
2. Fats
3. Roughage
4. Minerals

Q. Why do growing children need more proteins than adults?

Q. In Biuret test, the presence of ________ is indicated by violet colour.

1. fats
2. proteins
3. vitamins
4. carbohydrates

Q. Which of the following statement(s) is/are correct?

Statement 1: When iodine solution is added to chewed boiled rice, the colour of the solution changes to pink.

Statement 2: The starch gets digested by saliva present in the chewed rice.

1. 
   Statement 1: True;
   Statement 2: False
2. Statement 1: False;
   Statement 2: True
3. 
   Statement 1: False;
   Statement 2: False
4. 
   Statement 1: True;
   Statement 2: True

Q. _____ is produced when our body is exposed to sunlight.

1. Vitamin D
2. Vitamin A
3. Vitamin B
4. Vitamin C

Q.

The food items shown in the image are rich in:

1. Carbohydrates
2. Fats
3. Proteins
4. Vitamins

Q. Deficiency of protein leads to _________________.

1. dry skin
2. weak body
3. stunted growth
4. hairfall

Q.

A healthy diet is one that:

1. helps to maintain or improve overall health

2. provides the body with essential nutrition

3. helps to acquire immunity

4. provides energy

Q.

How can the diversity of proteins in living organisms be explained?

Q. Roshan wants to build his muscles and thus joined a gym for it. What changes should Roshan make in his diet to build strong muscles?

1. Eat more carbohydrate-rich food.
2. Eat more vitamin-rich food.
3. Eat more fat-rich food.
4. Eat more protein-rich food.

Q. Why are mitochondria and plastids strange organelles?

1. They synthesise carbohydrates and lipids.
2. They capture sunlight to synthesise food.
3. They provide energy to the cell.
4. They have their own DNA and ribosomes.

Q.

Name the major nutrients in our food.

Q. Muscles of our body must be strong and efficient. Which component of our diet is essential for the proper growth and repair of muscles?

1. Proteins
2. Carbohydrates
3. Fibers
4. Both (a) & (b)

Q. Which among the following is the function of mitochondria?

1. It serves as a channel for the transport of materials.
2. It helps the cell to produce energy to do work.
3. It helps in detoxification of poisons and drugs.
4. It destroys unwanted substances from the cell.

Q. Muscle cells have more number of mitochondria than the other cells in the body.

1. False
2. True

Q. Which organelle is known as the powerhouse of the cell? Why?

Q. An amoeba engulfs its food through the process of _________.

1. exocytosis
2. endosmosis
3. diffusion
4. endocytosis

Q. Why is the plasma membrane called a selectively permeable membrane?

Q.

The albumin (white part) of egg gives violet color with the solution of copper sulfate and caustic soda. On the basis of this, we can say that________ is present in it.

1. Fats

2. Carbohydrate

3. Protein

4. Vitamin

Q.

Explain the test to confirm the presence of protein in food?

Q.

Is vitamin-B a micronutrient?

Q.

What groups are most at risk for dental health category?

1. Young adolescent

2. High income group

3. Low income group

4. Can effect everyone

Q. why are carbohydrates called protein scavengers?

Q. The figure shows the sources of

1. Proteins
2. Carbohydrates
3. Fats
4. Minerals