bidezones.com /CBES Board Class 10/Chemistry BIOCHEMISTRY MCQS Sample Test,Sample questions

Question:
 Cellulose is obtained from?


 

 

1. animals

2. microorganisms

3. plants

4.bacteria

Posted Date:-2021-12-30 09:11:17


Question:
 In the structure of DNA how many strands are twisted around each other?


 

 

1.one

2. two

3. three

4. four

Posted Date:-2021-12-30 09:11:17


Question:
 Strand of RNA is made of

 

1. ribose sugar

2. phosphate unit

3. nitrogen base

4. all of above

Posted Date:-2021-12-30 09:11:17


Question:
 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

Posted Date:-2021-12-30 09:11:17


Question:
 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

Posted Date:-2021-12-30 09:11:17


Question:
 Which of the following activates more than 100 different enzymes?
 

 

1.vitamin A

2.vitamin B

3. vitamin C

4. vitamin D

Posted Date:-2021-12-30 09:11:17


Question:
 Which of the following is not included in fat-soluble vitamins?



 

1. vitamin A

2. vitamin D

3. vitamin E

4.vitamin B

Posted Date:-2021-12-30 09:11:17


Question:
Anemia bleeding gums and tongue inflammation is caused by the deficiency of
 

 

1. vitamin A

2.vitamin B

3. vitamin C

4. vitamin D

Posted Date:-2021-12-30 09:11:17


Question:
Considering the structure of DNA each strand is made up of

 

 

1. deoxyribose sugar

2. phosphate unit

3. nitrogen base

4. all of above

Posted Date:-2021-12-30 09:11:17


Question:
Deficiency of vitamin A causes




1.night blindness

2.anemia and bleeding gums

3.scurvy

4.rickets and Osteomalacia

Posted Date:-2021-12-30 09:11:17


Question:
Deficiency of vitamin D causes

1. night blindness

2. anemia and bleeding gums

3. scurvy

4. rickets and Osteomalacia

Posted Date:-2021-12-30 09:11:17


Question:
Existence of RNA is in the form of

1. single strand

2. double strand

3. triple strand

4. four strands

Posted Date:-2021-12-30 09:11:17


Question:
Fructose is an example of

1. monosaccharides

2.oligosaccharides

3. polysaccharides

4. vitamins

Posted Date:-2021-12-30 09:11:17


Question:
How many amino acids are synthesized by our bodies?

1.10

2.20

3.30

4.40

Posted Date:-2021-12-30 09:11:17


Question:
How many types of vitamins are there?




1.two

2.three

3.four

4.five

Posted Date:-2021-12-30 09:11:17


Question:
How much energy is provided by 1g of glucose?



 

 

1. 156 KJ

2.168 KJ

3.20 KJ

4.12 KJ

Posted Date:-2021-12-30 09:11:17


Question:
In the human diet all the cholesterol comes from

1. animal products

2. vegetable products

3.minerals

4.beans

Posted Date:-2021-12-30 09:11:17


Question:
In what form is glucose stored in animal muscles and liver cells?

 

 

1. glucagon

2. vitamins

3. glycogen

4. starch

Posted Date:-2021-12-30 09:11:17


Question:
Monosaccharides (simple sugars) have

1. oxidizing nature

2. reducing nature

3. redox nature

4. neutralizing nature

Posted Date:-2021-12-30 09:11:17


Question:
Nucleic acids were first obtained from


 

 

1. blood of infected wounds

2. pus of infected wounds

3.skin

4. muscles

Posted Date:-2021-12-30 09:11:17


Question:
Nutrition is derived by cows cattle goats deer sheep and termites from


 

 

1. cellulose

2.starch

3. monosaccharides

4. oligosaccharides

Posted Date:-2021-12-30 09:11:17


Question:
Plants convert glucose (C6H12O6) in to


 

 

1. starch only

2. cellulose only

3.sucrose

4. starch and cellulose

Posted Date:-2021-12-30 09:11:17


Question:
Raffinose is an example of

 

 

1. monosaccharides

2. disaccharides

3. polysaccharides

4. Trisaccharides

Posted Date:-2021-12-30 09:11:17


Question:
Source of butyric acid is

 

 

1. butter

2. palm oil

3. beef fat

4. olive oil

Posted Date:-2021-12-30 09:11:17


Question:
Source of caproic acid is

1.butter

2. palm oil

3. beef fat

4. olive oil

Posted Date:-2021-12-30 09:11:17


Question:
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

Posted Date:-2021-12-30 09:11:17


Question:
Starch and cellulose are

1. crystalline solids

2. amorphous solids

3. liquids

4. gasses

Posted Date:-2021-12-30 09:11:17


Question:
Starch is an example of?




1.monosaccharides

2.oligosaccharides

3.polysaccharides

4.lipids

Posted Date:-2021-12-30 09:11:17


Question:
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

Posted Date:-2021-12-30 09:11:17


Question:
The condensed structural formula of 

1.CH3-CH2-CH2-COOH

2. CH3-(CH2)4-COOH

3.CH3-(CH2)14-COOH

4.Palmitic acid is

Posted Date:-2021-12-30 09:11:17


Question:
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

Posted Date:-2021-12-30 09:11:17


Question:
The general formula of Monosaccharides is



 

 

1.CnH2n+2

2.CnH2n+2

3.CnH2n-2

4.(CH2o)n

Posted Date:-2021-12-30 09:11:17


Question:
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

Posted Date:-2021-12-30 09:11:17


Question:
The molecular formula of fructose is


1. C12H22O11

2. C18H32O16

3. C6H12O6

4.C7H14O7

Posted Date:-2021-12-30 09:11:17


Question:
The physical state of fat at room temperature is



 

 

1.solid

2.liquid

3. gas

4. plasma

Posted Date:-2021-12-30 09:11:17


Question:
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

Posted Date:-2021-12-30 09:11:17


Question:
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

Posted Date:-2021-12-30 09:11:17


Question:
Vitamin B is necessary for



 

 

1. eyes and skin

2.energy production in cells

3.healing wounds and preventing colds

4.bones and teeth

Posted Date:-2021-12-30 09:11:17


Question:
Vitamin B is soluble in





 

 

1.fat

2.water

3.alcohol

4.ethers

Posted Date:-2021-12-30 09:11:17


Question:
Vitamin E is necessary for

 

 

1. eyes and skin

2. energy production in cells

3. antioxidant

4. blood clotting

Posted Date:-2021-12-30 09:11:17


Question:
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

Posted Date:-2021-12-30 09:11:17


Question:
When hydrogen is added to an alkene the process is called

1. dehydration

2. Dehydrohalogenation

3. hydrogenation

4. hydrochlorination

Posted Date:-2021-12-30 09:11:17


Question:
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

Posted Date:-2021-12-30 09:11:17


Question:
Which of the following are glucose and fructose?

 

 

1. monosaccharides

2. oligosaccharides

3. polysaccharides

4. starch

Posted Date:-2021-12-30 09:11:17


Question:
Which of the following are obtained from fruits vegetables and cereals?

1. monosaccharides

2. sucrose

3. cellulose

4. starch

Posted Date:-2021-12-30 09:11:17


Question:
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

Posted Date:-2021-12-30 09:11:17


Question:
Which of the following causes dry skin when taken in excess amount?


 

 

1. vitamin A

2.vitamin B

3. vitamin C

4.vitamin D

Posted Date:-2021-12-30 09:11:17


Question:
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

Posted Date:-2021-12-30 09:11:17


Question:
Which of the following is caused due to an extreme lack of proteins?

1.malaria

2. typhoid

3. kwashiorkor

4. anemia

Posted Date:-2021-12-30 09:11:17


Question:
Which of the following is important in vision?

 

 

1.vitamin A

2.vitamin B

3. vitamin C

4. vitamin D

Posted Date:-2021-12-30 09:11:17


Question:
Which of the following is necessary for proper bone and tooth growth?

 

 

1. vitamin A

2.vitamin B

3.vitamin C

4.vitamin D

Posted Date:-2021-12-30 09:11:17


Question:
Which of the following is obtained by heating bones and tendons in the water?




1.gelatin

2.enzyme

3.amylase

4.lactase

Posted Date:-2021-12-30 09:11:17


Question:
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

Posted Date:-2021-12-30 09:11:17


Question:
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

Posted Date:-2021-12-30 09:11:17


Question:
Which of the following is used as a catalyst in hydrogenation reaction?



1.Ni

2.Pd

3.Pt

4. all of above

Posted Date:-2021-12-30 09:11:17


Question:
Which of the following is used in the form of wood for heat housing and furniture?

1. cellulose

2.starch

3.vitamins

4. oligosaccharides

Posted Date:-2021-12-30 09:11:17


Question:
Which of the following is used to make rectified spirit by fermentation process?

1. cellulose

2. starch

3. glucose

4. fructose

Posted Date:-2021-12-30 09:11:17


Question:
Which of the following protects our heart and kidneys from injury?


 

 

1. skin

2. muscles

3. lubricants

4.fat

Posted Date:-2021-12-30 09:11:17


Question:
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

Posted Date:-2021-12-30 09:11:17


Question:
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

Posted Date:-2021-12-30 09:11:17


More MCQS[bidezones.com ]

  1. ATOMIC AND NUCLEAR PHYSICS MCQS
  2. Electrostatics Multiple Choice Questions Set 1
  3. Electrostatics Multiple Choice Questions set 2
  4. Grade 10 English MCQs
  5. MCQS ON TYPES OF NOUNS, PRONOUNS
  6. Chemistry Hydrocarbons multiple choice questions set 1
  7. Chemistry BIOCHEMISTRY MCQS
  8. Chemistry Hydrocarbons multiple choice questions set 2
  9. Chemistry CHEMICAL EQUILIBRIUM MCQS
  10. Chemistry Hydrocarbons multiple choice questions set 3
  11. ENVIRONMENTAL CHEMISTRY II WATER MCQS
  12. Environmental chemistry i atmosphere multiple choice questions
  13. CHEMICAL INDUSTRIES MCQS
  14. ENVIRONMENTAL CHEMISTRY I ATMOSPHERE MCQS