MCQOPTIONS
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MCQOPTIONS
This section includes 14620 Mcqs, each offering curated multiple-choice questions to sharpen your NEET knowledge and support exam preparation. Choose a topic below to get started.
| 2801. |
The amount of which of the element is greatest in protoplasm [RPMT 1997, 99] |
| A. | Hydrogen |
| B. | Oxygen |
| C. | Nitrogen |
| D. | Carbon |
| Answer» C. Nitrogen | |
| 2802. |
Protoplasm found inside the nucleus is known as [CPMT 1979] |
| A. | Nucleoplasm |
| B. | Amyloplast |
| C. | Elaioplast |
| D. | Cytoplasm |
| Answer» B. Amyloplast | |
| 2803. |
The main difference between the living and non-living is [CPMT 1976] |
| A. | In the growth |
| B. | In the size |
| C. | In the movement |
| D. | In the presence of protoplasm |
| Answer» E. | |
| 2804. |
Cell organelles are embedded in |
| A. | Nucleolus |
| B. | Mitochondria |
| C. | Protoplasm |
| D. | Cytoplasmic membrane |
| Answer» D. Cytoplasmic membrane | |
| 2805. |
The protoplasm theory was established in plant cell by |
| A. | Strasburger |
| B. | Robert Brown |
| C. | De Bary |
| D. | Max Schultze |
| Answer» E. | |
| 2806. |
Which of the following is the "physical basis of life" [MP PMT 1999] |
| A. | DNA |
| B. | Protoplasm |
| C. | Nucleus |
| D. | Sex chromosome |
| Answer» C. Nucleus | |
| 2807. |
"Plasma gel'' is the name of |
| A. | Ectoplasm |
| B. | Endoplasm |
| C. | Protoplasm |
| D. | None of these |
| Answer» B. Endoplasm | |
| 2808. |
The name 'protoplasm' was given by [CPMT 1986, 94; MP PMT 1999, 2000; MHCET 2001; Pb. PMT 2004; J & K CET 2005] |
| A. | Purkinje |
| B. | Hooke |
| C. | A.K. Sharma |
| D. | Schwann |
| Answer» B. Hooke | |
| 2809. |
Most complex amino acid having ring structure is: |
| A. | glycine |
| B. | leucine |
| C. | tyrosine |
| D. | tryptophan |
| Answer» E. | |
| 2810. |
Simplest amino acid is: |
| A. | glycine |
| B. | histidine |
| C. | tryptophan |
| D. | phenylalanine |
| Answer» B. histidine | |
| 2811. |
An ammo acid has the following structure: Which two group combine to form the peptide linkage? |
| A. | 1-3 |
| B. | 44257 |
| C. | 1-4 |
| D. | 44228 |
| Answer» B. 44257 | |
| 2812. |
Which of these are linked together in long chains to form protein? |
| A. | Purines |
| B. | Sugars |
| C. | Glycerol |
| D. | Amino acids |
| Answer» E. | |
| 2813. |
Proteins after complete hydrolysis yield: |
| A. | glucose |
| B. | amino acids |
| C. | triglycerides |
| D. | none of these |
| Answer» C. triglycerides | |
| 2814. |
Which of the following is a protein deficiency disease? (Orissa JEE 2007; DPMT 2007; CPMT 2009) |
| A. | Eczema |
| B. | Cirrhosis |
| C. | Kwashiorkor |
| D. | Night blindness |
| Answer» D. Night blindness | |
| 2815. |
Anhydro bonds of proteins are termed ............ bonds. |
| A. | ester |
| B. | peptide |
| C. | glycosidic |
| D. | phosphodiester |
| Answer» C. glycosidic | |
| 2816. |
The protein efficiency ratio is: (EAMCET 2000) |
| A. | the ratio of protein to fat in feed |
| B. | the ratio of protein to carbohydrate in feed |
| C. | the ratio of protein consumed to increase in body weight in adult and old animals |
| D. | the ratio of protein consumed to increase in body weight in cultivated young animals |
| Answer» E. | |
| 2817. |
People recovering from long illness are often advised to include the alga Spirulina in their diet because it: (AIIMS 2003) |
| A. | is rich in proteins |
| B. | has antibiotic properties |
| C. | makes the food easy to digest |
| D. | restores the intestinal micro flora |
| Answer» B. has antibiotic properties | |
| 2818. |
Which of the following is a storage protein? |
| A. | Glutelin |
| B. | Flavoprotein |
| C. | Metalloprotein |
| D. | Chromoprotein |
| Answer» B. Flavoprotein | |
| 2819. |
Milk protein is: |
| A. | casein |
| B. | lactose |
| C. | myosin |
| D. | lactogen |
| Answer» B. lactose | |
| 2820. |
Milk, eggs and meat are the good sources of: |
| A. | fats |
| B. | proteins |
| C. | vitamins |
| D. | carbohydrates |
| Answer» C. vitamins | |
| 2821. |
A semi-indispensable amino acid is: |
| A. | glycine |
| B. | leucine |
| C. | tyrosine |
| D. | histidine |
| Answer» E. | |
| 2822. |
Which of the following is a nonessential amino acid? |
| A. | Proline |
| B. | Tryptophan |
| C. | Valine |
| D. | Leucine |
| Answer» B. Tryptophan | |
| 2823. |
Proteins are mainly required in the body for: |
| A. | growth |
| B. | repair of tissues |
| C. | both [a] and [b] |
| D. | none of these |
| Answer» D. none of these | |
| 2824. |
All are essential amino acids except: |
| A. | serine |
| B. | valine |
| C. | tryptophan |
| D. | phenylalanine |
| Answer» B. valine | |
| 2825. |
Which one of the following is a nutritionally essential amino acid for humans? (CBSE 2000; AMU 2003, 07) |
| A. | Serine |
| B. | Glycine |
| C. | Aspartic acid |
| D. | Phenylalanine |
| Answer» E. | |
| 2826. |
Essential amino acids are: |
| A. | serine and proline |
| B. | alanine and tyrosine |
| C. | glycine and cysteine |
| D. | leucine and isoleucine |
| Answer» E. | |
| 2827. |
How many of the twenty two amino acids are essential amino acids for children? (St. Johns MC 2003; Kerala PMT 2006) |
| A. | 6 |
| B. | 8 |
| C. | 10 |
| D. | 7 |
| E. | 11 |
| Answer» D. 7 | |
| 2828. |
Amino acids not synthesized in body are called: |
| A. | active |
| B. | inactive |
| C. | essential |
| D. | nonessential |
| Answer» D. nonessential | |
| 2829. |
Which amino acid is denoted by symbol E? |
| A. | Tyrosine |
| B. | Threonine |
| C. | Phenylalanine |
| D. | Glutamicacid |
| Answer» E. | |
| 2830. |
Which amino acid is denoted by symbol F? (Har. PMT 2007) |
| A. | Proline |
| B. | Tryptophan |
| C. | Methionine |
| D. | Phenylalanine |
| Answer» E. | |
| 2831. |
Which amino acid is denoted by symbol Y? |
| A. | Glycine |
| B. | Tyrosine |
| C. | Tryptophan |
| D. | Methionine |
| Answer» C. Tryptophan | |
| 2832. |
DNA strand is directly involved in the synthesis of all the following except [AIIMS 1981] |
| A. | tRNA molecule |
| B. | mRNA molecule |
| C. | Another DNA strand |
| D. | Protein synthesis |
| Answer» E. | |
| 2833. |
Process of reverse transcription was discovered by Temin in |
| A. | MS-2 bacteriophage |
| B. | Rous sarcoma virus |
| C. | E. coli |
| D. | Neurospora |
| Answer» C. E. coli | |
| 2834. |
What is meant by sense strand |
| A. | The strand of mRNA involved in protein synthesis |
| B. | The strand of tRNA which starts protein synthesis |
| C. | The DNA strand which acts as a template for mRNA transcription |
| D. | Gradually growing molecule of protein |
| Answer» D. Gradually growing molecule of protein | |
| 2835. |
Which one process is only concerned with the transcription |
| A. | Template binding |
| B. | Chain initiation |
| C. | Chain elongation |
| D. | Chain termination |
| Answer» B. Chain initiation | |
| 2836. |
The most commonly used enzyme for polymerase chain reaction is [MP PMT 2001] |
| A. | D.N.A. polymerase-II |
| B. | Reverse transcriptase |
| C. | Klenow fragment |
| D. | Taq polymerase |
| Answer» E. | |
| 2837. |
If in a plant cells the ribosomes are destroyed, which of the following process will not take place |
| A. | Respiration |
| B. | Photosynthesis |
| C. | Fat synthesis |
| D. | Protein synthesis |
| Answer» E. | |
| 2838. |
What is meant by monocistronic mRNA |
| A. | Which has codons for synthesizing only one protein molecule |
| B. | Which has only one codon |
| C. | Which can combine with only one type of tRNA |
| D. | Both (a) and (c) |
| Answer» B. Which has only one codon | |
| 2839. |
Initiation of polypeptide chain in eukaryotic protein synthesis is induced by [AIIMS 1985] |
| A. | Methionine |
| B. | Leucine |
| C. | Lysine |
| D. | Glycine |
| Answer» B. Leucine | |
| 2840. |
What is transfer of DNA ® RNA called [MP PMT 2005] |
| A. | Transcription |
| B. | Translation |
| C. | Protein synthesis |
| D. | Central dogma |
| Answer» B. Translation | |
| 2841. |
Which enzyme plays important role in transcription [AMU 2005] |
| A. | DNA dependent RNA polymerase |
| B. | DNA dependent DNA polymerase |
| C. | RNA dependent DNA polymerase |
| D. | RNA dependent RNA polymerase |
| Answer» B. DNA dependent DNA polymerase | |
| 2842. |
Where Anticodon occurs in transcription [AMU 2005] |
| A. | m-RNA |
| B. | t-RNA |
| C. | µ-RNA |
| D. | DNA |
| Answer» C. µ-RNA | |
| 2843. |
Transcription is [Haryana PMT 2005] |
| A. | Formation of RNA from DNA |
| B. | Formation of DNA from RNA |
| C. | Formation of protein |
| D. | Transfer or RNA |
| Answer» B. Formation of DNA from RNA | |
| 2844. |
Portion of gene which is transcribed but not translated is [CPMT 2005] |
| A. | Exon |
| B. | Intron |
| C. | Cistron |
| D. | Codon |
| Answer» C. Cistron | |
| 2845. |
Which of the following inhibits protein synthesis by binding to 50 S ribosome [Orissa JEE 2005] |
| A. | Tetracycline |
| B. | Streptomycin |
| C. | Erythromycin |
| D. | Penicillin |
| Answer» D. Penicillin | |
| 2846. |
Method by which information from DNA to RNA reach [BCECE 2005] |
| A. | Transcription |
| B. | Translation |
| C. | Transformation |
| D. | Transduction |
| Answer» B. Translation | |
| 2847. |
Which of the following is not correct about translation [BCECE 2005] |
| A. | It starts with AUG |
| B. | Stopped at termination codon |
| C. | Based on operon model |
| D. | Occurs in nucleus |
| Answer» E. | |
| 2848. |
Which of the following is the simplest amino acid [CBSE PMT 2005] |
| A. | Tyrosine |
| B. | Asparagine |
| C. | Glycine |
| D. | Alanine |
| Answer» D. Alanine | |
| 2849. |
During protein denaturation which of the following is disrupted [BVP 2004] |
| A. | 2D structure |
| B. | 3D structure |
| C. | Peptide bond |
| D. | AA sequence |
| Answer» C. Peptide bond | |
| 2850. |
The central dogma of protein synthesis is [MHCET 2002] |
| A. | DNA \[\xrightarrow{\text{Translation}}m-\]RNA\[\xrightarrow{\text{Transcription}}\] protein |
| B. | DNA \[\xrightarrow{\text{Transcription}}\]RNA \[\xrightarrow{\text{Translation}}\]protein |
| C. | RNA \[\xrightarrow{\text{Replication}}\]DNA \[\xrightarrow{\text{Transcription}}\]protein |
| D. | RNA \[\xrightarrow{\text{Transcription}}\]RNA \[\xrightarrow{\text{Translation}}\]Protein . |
| Answer» C. RNA \[\xrightarrow{\text{Replication}}\]DNA \[\xrightarrow{\text{Transcription}}\]protein | |