इस पोस्ट में क्या है
show
12th Chemistry chapter 14 Bihar board with NCERT-Details & Highlights
| name of content | 12th Chemistry chapter 14 full solution |
| content | Chemistry objective type MCQ question with answer |
| name of subjects | class 12 Chemistry |
| important for exam | Bihar board & other state board |
| pattern & Level | NCERT & State level question |
12th Chemistry chapter 14 all objective solutions – download PDF
1. Glucose is
-
- (A) Trios
- (B) Tetros
- (C) Pentose
- (D) Hexose
Answer: (D) Hexose
2. Which of the following is the sweetest sugar?
-
- (A) Glucose
- (B) Fructose
- (C) Maltose
- (D) Sucrose
Answer: (B) Fructose
3. What is Enzyme?
-
- (A) Carbohydrate
- (B) Lipids
- (C) Protein
- (D) none of these
Answer: (C) Protein
4. Night blindness is caused by the deficiency of which vitamin?
-
- (A) Vitamin B12
- (B) Vitamin A
- (C) Vitamin C.
- (D) Vitamin E
Answer: (B) Vitamin A
5. The main component of plant cell is
-
- (A) Cellulose
- (B) Sucrose
- (C) Starch
- (D) Vitamins
Answer: (A) Cellulose
6. a – D ( + ) – glucose and A – D ( + ) – glucose is
-
- (A) enantiomer
- (B) Geometrical isomerism
- (C) Epimer
- (D) anomer
Answer: (D) Anomer
7. Which functional group is in amino acid?
-
- ( A ) – NH2
- ( B ) -COOH
- ( C ) –GET
- (D) – NH 2 and – COOH
Answer: (D) – NH 2 and – COOH
8. Vitamin B12 is in
-
- (A) Fet +
- ( B ) Cott
- (C) Fet ++
- ( D ) CO3 +
Answer: (D) CO3 +
9. In plant photosynthesis is formed
-
- (A) FACT
- ( B ) ONLY
- ( C ) FUCK UP
- ( D ) C6H4 – FOR
Answer: (A) HCHO
10. Which of the following amino acids is synthesized in the human body?
-
- (A) Lysine
- (B) Histidine
- (C) Bhalin
- (D) alanine
Answer: (D) Alanine
Bihar Board 12th chemistry chapter 14 mcq solution
11 Which a-amino acid has a side chain aromatic ring?
-
- (A) Lysine
- (B) Histidine
- (C) Annenine
- (D) Tryptophan
Answer: (D) Tryptophan
12. Which of the following is a disaccharide
-
- (A) Lactose
- (B) starch
- (C) Cellulose
- (D) fructose
Answer: (A) Lactose
13. The monomer of cellulose is
-
- (A) lactose
- (B) Maltose
- (C) Glucose
- (D) Fructose
Answer: (C) Glucose
14. Invert sugar is a mixture of?
-
- (A) Glucose + fructose
- (B) Sucrose + Glucose
- (C) Glucose + Maltose
- (D) lactose + maltose
Answer: (A) Glucose + Fructose
15. Which of the following is a linear polymer?
-
- (A) Amylopectin
- (B) Maltose
- (C) Glycogen
- (D) Amylose
Answer: (D) Amylose
16. The number of amino acids in insulin is?
( A ) 21
( B ) 31
( C ) 41
( D ) 51
Answer: (D) 51
17. In which type of structure does the protein live?
-
- (A) fibrous
- (B) spherical
- (C) Maltose
- (D) all
Answer: (D) All
18. Fruit is sugar
-
- (A) Glucose
- (B) Fructose
- (C) Maltose
- (D) lactose
Answer: (B) Fructose
19. Which sugar remains in the nucleic acid?
-
- (A) Glucose
- (B) Ribose
- (C) Fructose
- (D) deoxyribose
Answer: (D) Deoxyribose
BSEB 12th chemistry chapter 14 most objective solution
20. DNA is structured
-
- (A) Linear
- (B) branched
- (C) single thread
- (D) double helix
Answer: (C) Single thread
21 With which thiamine base is attached by two hydrogen bonds?
- (A) Guanine
- (B) cytosine
- (C) Thiamine
- (D) adenine
Answer: (D) Adenine
22. In which vitamin metal is present?
-
- ( A ) A
- ( B ) C
- ( C ) B12
- (D) E
Answer: (C) B12
23. Which vitamin possesses the transition metal (cobalt)?
-
- (A) Protein
- (B) Chlorophyll
- (C) Hemoglobin
- (D) DNA
Answer: (A) Protein
24. Metabolic action of the cell is controlled by?
-
- ( A ) B12
- (B) DNA
- (C) RNA
- (D) fat
Answer: (B) DNA
25. Protein gives blue color with which of the following?
-
- (A) Tollens reagent
- (B) Fehling’s solution
- (C) Ninhydrin
- (D) Iodine
Answer: (C) Ninhydrin
26. Carbohydrate which cannot be burned by the human digestive system is?
-
- (A) Starch
- (B) Cellulose
- (C) Glycogen
- (D) all
Answer: (B) Cellulose
27. Protein is a polyamide of?
-
- (A) -amino acid
- (B) -amino acid
- (C) a-hydroxy acid
- (D) -hydroxy acid
Answer: (A)-amino acid
28. Peptide after hydration gives
-
- (A) amino acid
- (B) amine
- (C) Ammonia
- (D) none of these
Answer: (A)-amino acid
29. The number of chiral carbons in A – D – (+ ) – glucose is
-
- ( A ) 5
- ( B ) 6
- ( C ) 3
- ( D ) 4
Answer: (D) 4
most mcq notes 12th chemistry chapter 14
30. The most soluble vitamin in water is
-
- ( A ) A
- ( B ) B
- ( C ) D
- ( D ) C
Answer: (D) C
31. Which of the following is known as coagulation vitamin?
-
- ( A ) K
- ( B ) A
- ( C ) D
- (D) E
Answer: (A) K
32. Which of the following bases is present in RNA but not in DNA?
-
- (A) Thiamine
- (B) Uracil
- (C) cytosine
- (D) Guanine
Answer: (B) Uracil
33. Which of the following is not made in the body?
-
- (A) Vitamins
- (B) hormones
- (C) Enzyme
- (D) DNA
Answer: (A) Vitamin
34. Vitamin A is called
-
- (A) ascabanic
- (B) Rutinol
- (C) Calsopherol
- (D) Tocopherol
Answer: (B) Rutinol
35. Formula of the most common disaccharides
-
- ( A ) C2H22011
- ( B ) C10H1809
- ( C ) C10H20011
- ( D ) C18H32011
Answer : ( A ) C2H22011
36. Contains Vitamin B12
-
- (A) Fe (II)
- ( B ) CO ( III )
- (C) Zn (II)
- (D) Ca (II)
Answer : ( B ) CO ( III )
37. Which of the following is an example of ketohexose
-
- (A) Mannose
- (B) galactose
- (C) Maltose
- (D) fructose
Answer: (D) Fructose
38. Milk is found in
-
- (A) Sucrose
- (B) Maltose
- (C) lactose
- (D) Cellulose
Answer: (C) Lactose
39. Most commonly found in nature
-
- (A) Fructose
- (B) starch
- (C) Glucose
- (D) Cellulose
Answer: (C) Glucose
Important most mcq solution 12th chemistry chapter 14
40. The main structural specificity of a protein is
-
- (A) ethereal linkage
- (B) Easter linkage
- (C) Peptide linkage
- (D) all of these
Answer: (C) Peptide linkage
41. Alkaline lighting of Easter is called
-
- (A) Easterization
- (B) Dehydration
- (C) saponification
- (D) Alkalization
Ans: (C) Soap
42. Which of the following is not a large molecule?
-
- (A) DNA
- (B) starch
- (C) Palmitate
- (D) Insulin
Answer: (C) Palmitate
43. The functional group found in amino acids is
-
- (A) -COOH group
- ( B ) -NH , group
- (C) -CH3 group
- (D) Both ‘ A ‘ and ‘ B ‘
Answer: (D) Both ‘A’ and ‘B’
44. Which of the following is related to steroid?
-
- (A) Vitamin E
- (B) Vitamin K
- (C) Vitamin B
- (D) Vitamin D
Answer: (D) Vitamin D
45. Deficiency of Vitamin C is caused by?
-
- (A) Beri – Beri
- (B) night blindness
- (C) Rickets
- (D) Scurvy
Answer: (D) Scurvy
46. To be a carbohydrate, a compound must contain at least how many carbons?
-
- ( A ) 6
- ( B ) 4
- ( C ) 7
- ( D ) 2
Answer : ( B ) 4
47. Which of the following is a livo rotor?
-
- (A) Glucose
- (B) fructose
- (C) Sucrose
- (D) none of these
Answer: (B) Fructose
| Next Subject | Next Chapter |
Bihar board 12th Chemistry chapter 14 complete objective
12th Chemistry objective: we have covered all mcq type objective question of 12th Chemistry chapter 14 on this post, and I hope it will be helpful your board exam. now its time to share it with your friends, and also suggest me what you need.
chapter 14 Chemistry objective question
12th Chemistry chapter 14, class 12 Chemistry chapter 14 objective questions in hindi, class 12 Chemistry chapter 14 mcq questions pdf download, Chemistry mcq for class 12 with answers chapter 14 electric charges and fields, 12th class Chemistry chapter 14 objective, class 12 Chemistry chapter 14, Bihar board Chemistry chapter 14 class 12.
Chemistry multiple choice questions with answers for class 12 pdf, mcq questions for class 12 Chemistry chapter wise pdf, Chemistry objective questions for 12th pdf, Chemistry objective questions for 12th pdf in hindi, Chemistry objective questions for 12th bihar board pdf,
Bihar board 12th science stream subjects wise solution
click here to check out Bihar board science stream all subjects solutions
| SL.N. | Subject name with solutions |
| 01 | Physics |
| 02 | Chemistry |
| 03 | Biology |
| 04 | Math |
| 05 | Hindi |
| 06 | English |
