Cellulose is obtained from?
1. animals
2. microorganisms
3. plants
4.bacteria
In the structure of DNA how many strands are twisted around each other?
1.one
2. two
3. three
4. four
Strand of RNA is made of
1. ribose sugar
2. phosphate unit
3. nitrogen base
4. all of above
The condensed structural formula of Caproic acid is
1. CH3-CH2-CH2-COOH
2. CH3-(CH2)4-COOH
3. CH3-(CH2)14-COOH
4. CH3-(CH2)16-COOH
Upon hydrolysis oligosaccharides form
1.1 to 8 molecules of simple sugars
2. 10 to 12 molecules of simple sugars
3. 5 to 8 molecules of simple sugars
4. 2 to 9 molecules of simple sugars
Which of the following activates more than 100 different enzymes?
1.vitamin A
2.vitamin B
3. vitamin C
4. vitamin D
Which of the following is not included in fat-soluble vitamins?
1. vitamin A
2. vitamin D
3. vitamin E
4.vitamin B
Anemia bleeding gums and tongue inflammation is caused by the deficiency of
1. vitamin A
2.vitamin B
3. vitamin C
4. vitamin D
Considering the structure of DNA each strand is made up of
1. deoxyribose sugar
2. phosphate unit
3. nitrogen base
4. all of above
Deficiency of vitamin A causes
1.night blindness
2.anemia and bleeding gums
3.scurvy
4.rickets and Osteomalacia
Deficiency of vitamin D causes
1. night blindness
2. anemia and bleeding gums
3. scurvy
4. rickets and Osteomalacia
Existence of RNA is in the form of
1. single strand
2. double strand
3. triple strand
4. four strands
Fructose is an example of
1. monosaccharides
2.oligosaccharides
3. polysaccharides
4. vitamins
How many amino acids are synthesized by our bodies?
1.10
2.20
3.30
4.40
How many types of vitamins are there?
1.two
2.three
3.four
4.five
How much energy is provided by 1g of glucose?
1. 156 KJ
2.168 KJ
3.20 KJ
4.12 KJ
In the human diet all the cholesterol comes from
1. animal products
2. vegetable products
3.minerals
4.beans
In what form is glucose stored in animal muscles and liver cells?
1. glucagon
2. vitamins
3. glycogen
4. starch
Monosaccharides (simple sugars) have
1. oxidizing nature
2. reducing nature
3. redox nature
4. neutralizing nature
Nucleic acids were first obtained from
1. blood of infected wounds
2. pus of infected wounds
3.skin
4. muscles
Nutrition is derived by cows cattle goats deer sheep and termites from
1. cellulose
2.starch
3. monosaccharides
4. oligosaccharides
Plants convert glucose (C6H12O6) in to
1. starch only
2. cellulose only
3.sucrose
4. starch and cellulose
Raffinose is an example of
1. monosaccharides
2. disaccharides
3. polysaccharides
4. Trisaccharides
Source of butyric acid is
1. butter
2. palm oil
3. beef fat
4. olive oil
Source of caproic acid is
1.butter
2. palm oil
3. beef fat
4. olive oil
Specific organic compounds which are required by our bodies to prevent specific diseases but cannot be produced by our bodies are called
1. hydrocarbons
2. carbohydrates
3. proteins
4.vitamins
Starch and cellulose are
1. crystalline solids
2. amorphous solids
3. liquids
4. gasses
Starch is an example of?
1.monosaccharides
2.oligosaccharides
3.polysaccharides
4.lipids
The amino acids which are no synthesized by the human body are called
1. essential amino acids
2. non essential amino acids
3. simple amino acids
4. complex amino acids
The condensed structural formula of
1.CH3-CH2-CH2-COOH
2. CH3-(CH2)4-COOH
3.CH3-(CH2)14-COOH
4.Palmitic acid is
The condensed structural formula of Stearic acid is
1. CH3-CH2-CH2-COOH
2. CH3-(CH2)4-COOH
3. CH3-(CH2)14-COOH
4.CH3-(CH2)16-COOH
The general formula of Monosaccharides is
1.CnH2n+2
2.CnH2n+2
3.CnH2n-2
4.(CH2o)n
The key to the ability of DNA to pass and store genetic information is its double stranded structure
1.hydrogen bonding
2.double stranded structure
3.deoxyribose sugar
4.nitrogen base
The molecular formula of fructose is
1. C12H22O11
2. C18H32O16
3. C6H12O6
4.C7H14O7
The physical state of fat at room temperature is
1.solid
2.liquid
3. gas
4. plasma
The vitamin which helps in chemical transmission of images from the eye to the brain is
1. vitamin A
2.vitamin B
3.vitamin C
4. vitamin D
Two fatty acids that are components of fats are
1. stearic acid and oleic acid
2. butyric acid and caproic acid
3. palmitic acid and oleic acid
4. none of above
Vitamin B is necessary for
1. eyes and skin
2.energy production in cells
3.healing wounds and preventing colds
4.bones and teeth
Vitamin B is soluble in
1.fat
2.water
3.alcohol
4.ethers
Vitamin E is necessary for
1. eyes and skin
2. energy production in cells
3. antioxidant
4. blood clotting
What happens if water-soluble vitamins are taken in excess?
1.they cause harm
2. they are readily excreted from the body
3. they cause no harm
4. they are not excreted from the body
When hydrogen is added to an alkene the process is called
1. dehydration
2. Dehydrohalogenation
3. hydrogenation
4. hydrochlorination
When hydrogen is added to vegetable oils they become
1. saturated and harder
2. unsaturated and softer
3. saturated and softer
4. unsaturated and harder
Which of the following are glucose and fructose?
1. monosaccharides
2. oligosaccharides
3. polysaccharides
4. starch
Which of the following are obtained from fruits vegetables and cereals?
1. monosaccharides
2. sucrose
3. cellulose
4. starch
Which of the following causes a feeling of pressure inside the head when taken in excess amount?
1. vitamin A
2.vitamin B
3. vitamin C
4.vitamin D
Which of the following causes dry skin when taken in excess amount?
1. vitamin A
2.vitamin B
3. vitamin C
4.vitamin D
Which of the following is a code that stores information which is used to produce proteins?
1. structure of the base pairs
2. order of the base pairs
3. number of the base pairs
4. number of hydrogen
Which of the following is caused due to an extreme lack of proteins?
1.malaria
2. typhoid
3. kwashiorkor
4. anemia
Which of the following is important in vision?
1.vitamin A
2.vitamin B
3. vitamin C
4. vitamin D
Which of the following is necessary for proper bone and tooth growth?
1. vitamin A
2.vitamin B
3.vitamin C
4.vitamin D
Which of the following is obtained by heating bones and tendons in the water?
1.gelatin
2.enzyme
3.amylase
4.lactase
Which of the following is the key to the ability of DNA to store genetic information and to pass it on from generation to generation? double stranded structure of DNA
1.double stranded structure of DNA
2.deoxyribose sugar
3.phosphate unit
4.nitrogen base
Which of the following is true about DNA?
1. it is present in cell nucleus
2. it has single strand
3. it has ribose sugar
4. it is synthesized by RNA
Which of the following is used as a catalyst in hydrogenation reaction?
1.Ni
2.Pd
3.Pt
4. all of above
Which of the following is used in the form of wood for heat housing and furniture?
1. cellulose
2.starch
3.vitamins
4. oligosaccharides
Which of the following is used to make rectified spirit by fermentation process?
1. cellulose
2. starch
3. glucose
4. fructose
Which of the following protects our heart and kidneys from injury?
1. skin
2. muscles
3. lubricants
4.fat
Which of the following should be fed to hens to lower the amount of cholesterol in eggs?
1. flax seeds
2. apple seeds
3.banana seeds
4.apricot seeds
Which of the following used the word vitamin for the missing factors that were needed to sustain healthy growth?
1. C Eijkman
2. FG Hopkins
3. Casmir Funk
4. Jabar Bin Hayan