MCQOPTIONS
Saved Bookmarks
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.
| 5951. |
Function of gall bladder is: (RPMT 2002) |
| A. | storage of bile |
| B. | secretion of bile |
| C. | formation of enzymes |
| D. | formation of bile salts |
| Answer» B. secretion of bile | |
| 5952. |
Cystic duct arises from: |
| A. | liver |
| B. | kidney |
| C. | pancreas |
| D. | gallbladder |
| Answer» E. | |
| 5953. |
Pancreatic duct is known as: |
| A. | Stenson's duct |
| B. | Mullerian duct |
| C. | Wharton's duct |
| D. | Duct of Wirsung |
| Answer» E. | |
| 5954. |
Pancreas has: (Orissa JEE 2003) |
| A. | exocrine function |
| B. | endocrine function |
| C. | exocrine and endocrine function |
| D. | none of the above |
| Answer» D. none of the above | |
| 5955. |
Jaundice may be caused by retarded function of: |
| A. | heart |
| B. | liver |
| C. | lungs |
| D. | kidneys |
| Answer» C. lungs | |
| 5956. |
Excessive drinking of alcohol causes: |
| A. | fibrosis |
| B. | cirrhosis |
| C. | jaundice |
| D. | dermatitis |
| Answer» C. jaundice | |
| 5957. |
The poisonous substances in the food are detoxicated in human body by: |
| A. | liver |
| B. | spleen |
| C. | kidney |
| D. | stomach |
| Answer» B. spleen | |
| 5958. |
Bile can be prevented to release into the duodenum by: (CMC, Vellore 2007) |
| A. | pyloric valve |
| B. | sphincter of Oddi |
| C. | cardiac sphincter |
| D. | sphincter of Boyden |
| Answer» C. cardiac sphincter | |
| 5959. |
Which component of bile is not primarily secreted by hepatocytes? |
| A. | Bilirubin |
| B. | Bile salts |
| C. | Bicarbonate |
| D. | Cholesterol |
| Answer» D. Cholesterol | |
| 5960. |
Liver of man is: (RPMT 2002) |
| A. | bilobed |
| B. | 3-lobed |
| C. | 4-lobed |
| D. | 5-lobed |
| Answer» D. 5-lobed | |
| 5961. |
Bile acids are: (Pb. PMT 2000) |
| A. | steroids |
| B. | proteins |
| C. | vitamins |
| D. | carbohydrates |
| Answer» B. proteins | |
| 5962. |
Bilirubin and biliverdin are found in: (MPPMT 2001) |
| A. | bile |
| B. | blood |
| C. | saliva |
| D. | pancreatic juice |
| Answer» B. blood | |
| 5963. |
The main function of bile is to: |
| A. | emulsify fats for digestion |
| B. | eliminate the waste products |
| C. | digest fat by enzymatic action |
| D. | regulate the process of digestion |
| Answer» B. eliminate the waste products | |
| 5964. |
Which of the following represent bile salts? (Karnataka CET 2003) |
| A. | Bilirubin and biliverdin |
| B. | Bilirubin and haemoglobin |
| C. | Haemoglobin and biliverdin |
| D. | Sodium glycocholate and taurocholate |
| Answer» E. | |
| 5965. |
Which of the following statements about the liver is false? |
| A. | It is the first organ to receive food molecules from the intestine |
| B. | Its cells are in direct contact with the blood |
| C. | Its cells cannot regenerate when damaged |
| D. | It is the largest gland of the body |
| Answer» D. It is the largest gland of the body | |
| 5966. |
Ductus choledocus carries: (PCS 2001) |
| A. | ova |
| B. | bile |
| C. | urine |
| D. | saliva |
| Answer» C. urine | |
| 5967. |
Cholagogues stimulate the secretion of: (PCS 2000, 02) |
| A. | bile |
| B. | saliva |
| C. | gastric juice |
| D. | intestinal juice |
| Answer» B. saliva | |
| 5968. |
Bile is produced by: (JKCMEE 2002) |
| A. | liver |
| B. | blood |
| C. | spleen |
| D. | gallbladder |
| Answer» B. blood | |
| 5969. |
Liver secretes: (WB-JEE 2006) |
| A. | hormones |
| B. | succus entericus |
| C. | no digestive enzymes |
| D. | many digestive enzymes |
| Answer» D. many digestive enzymes | |
| 5970. |
The percentage of crossing over will be more if |
| A. | Linked genes are located far apart from each other |
| B. | Linked genes are located close to each other |
| C. | Genes are not linked |
| D. | Genes are located in a different cell |
| Answer» B. Linked genes are located close to each other | |
| 5971. |
Hepatocytes secrete: |
| A. | lipase |
| B. | trypsin |
| C. | amylopsin |
| D. | bile no enzymes |
| Answer» E. | |
| 5972. |
Linkage in Drosophila was first discovered by |
| A. | Morgan |
| B. | Bateson and Punnet |
| C. | Sturtevant |
| D. | Bridges |
| Answer» B. Bateson and Punnet | |
| 5973. |
Drosophila has four pairs of chromosomes. How many linkage groups does it have |
| A. | Eight |
| B. | Four |
| C. | One less than the pairs of chromosomes |
| D. | One more than the pairs of chromosomes |
| Answer» C. One less than the pairs of chromosomes | |
| 5974. |
Alleles of different genes that are on the same chromosome may occasionally be separated by a phenomenon known as [MP PMT 1993] |
| A. | Pleotropy |
| B. | Epistasis |
| C. | Continuous variation |
| D. | Crossing over |
| Answer» E. | |
| 5975. |
The four daughter cells derived from a single meiosis differ from each other due to [BHU 1994] |
| A. | Difference in chromosome number |
| B. | Crossing over only |
| C. | Independent assortment of chromosomes only |
| D. | Crossing over as well as independent assortment of chromosomes |
| Answer» E. | |
| 5976. |
Chiasma shows the sites of [MHCET 2003] |
| A. | Spindle formation |
| B. | Synapsis |
| C. | Crossing over |
| D. | None of these |
| Answer» D. None of these | |
| 5977. |
Linked gene are separated by [CPMT 1994] |
| A. | Crossing over |
| B. | Mutation |
| C. | (a) and (b) both |
| D. | None of these |
| Answer» B. Mutation | |
| 5978. |
What will be the number of linkage groups in maize if it has 10 pairs of chromosomes [MP PMT 1999; DPMT 1980] |
| A. | 5 |
| B. | 10 |
| C. | Zero |
| D. | 20 |
| Answer» C. Zero | |
| 5979. |
When synapsis is complete all along the chromosome, the cell is said to have entered a stage called [AIIMS 2005] |
| A. | Zygotene |
| B. | Pachytene |
| C. | Diplotene |
| D. | Diakinesis |
| Answer» C. Diplotene | |
| 5980. |
Coupling and repulsion are the two faces of [JIPMER 1994] |
| A. | Crossing over |
| B. | Linkage |
| C. | Chiasmata |
| D. | Mutation |
| Answer» C. Chiasmata | |
| 5981. |
Genetic recombination occur through [CPMT 2002] |
| A. | Mitosis and fertilization |
| B. | Mitosis and meiosis |
| C. | Meiosis and fertilization |
| D. | None of the above |
| Answer» D. None of the above | |
| 5982. |
For the preparation of genetic maps, the recombination frequencies between genes are additive over short distances but not over long distances due to [BHU 1994] |
| A. | Multiple cross overs |
| B. | Lethal mutation |
| C. | Epistasis |
| D. | Synaptonemal complex |
| Answer» B. Lethal mutation | |
| 5983. |
In the diplotene stage [DPMT 1993] |
| A. | Chromosomes are thin and long |
| B. | Homologous chromosomes undergo crossing over and chiasmata are seen |
| C. | Bivalents become very short and chaismata move towards ends of chromosomes |
| D. | Chromosomes have reached poles |
| Answer» C. Bivalents become very short and chaismata move towards ends of chromosomes | |
| 5984. |
Sexual reproduction leads to [CPMT 2002] |
| A. | Genetic recombination |
| B. | Polyploidy |
| C. | Aneuploidy |
| D. | Euploidy |
| Answer» B. Polyploidy | |
| 5985. |
Number of linkage group in Pisum sativum is [BVP 2004] |
| A. | 2 |
| B. | 5 |
| C. | 7 |
| D. | 9 |
| Answer» D. 9 | |
| 5986. |
In order to calculate map distance of genes on a chromosome, one must know the |
| A. | Number of mutant genes |
| B. | Recombination frequency of each gene locus |
| C. | Cross over percentage |
| D. | Non-cross over percentage |
| Answer» D. Non-cross over percentage | |
| 5987. |
When closely placed genes on the same chromosome are inherited together the phenomenon is known as [Kerala PMT 2004] |
| A. | Qualitative inheritance |
| B. | Crossing over |
| C. | Gene interaction |
| D. | Multiple allelism |
| E. | Linkage |
| Answer» F. | |
| 5988. |
What is the unit of crossing over |
| A. | Cistron |
| B. | Muton |
| C. | Recon |
| D. | None of the above |
| Answer» D. None of the above | |
| 5989. |
Linkage was first observed in [AFMC 2000] |
| A. | Field pea |
| B. | Sweet pea |
| C. | Pea |
| D. | Grass pea |
| Answer» C. Pea | |
| 5990. |
Mendel did not recognize the linkage phenomenon in his experiments because [CMC Vellore 1993] |
| A. | There were many chromosomes to handle |
| B. | Characters he studied were located on different chromosomes |
| C. | He did not have powerful microscope |
| D. | He studied only pure plants |
| Answer» C. He did not have powerful microscope | |
| 5991. |
Crossing over in diploid organism is responsible for [CBSE PMT 1998] |
| A. | Dominance of genes |
| B. | Linkage between genes |
| C. | Segregation of alleles |
| D. | Recombination of linked allele |
| Answer» E. | |
| 5992. |
Linkage decreases the frequency of [CPMT 1998] |
| A. | Hybrid |
| B. | Dominant allele |
| C. | Recessive allele |
| D. | Both (a) and (b) |
| Answer» B. Dominant allele | |
| 5993. |
The word 'crossing over' is given by |
| A. | Bateson |
| B. | Darlington |
| C. | Morgan |
| D. | Muller |
| Answer» D. Muller | |
| 5994. |
In maize chromosome number is 2n = 20. The number of linkage groups in it shall be |
| A. | 20 |
| B. | 40 |
| C. | 10 |
| D. | 5 |
| Answer» D. 5 | |
| 5995. |
The scientists who have given the theory of linkage are [MP PMT 2001] |
| A. | Morgan and Castle |
| B. | Beadle and Tatum |
| C. | Watson and Crick |
| D. | Bateson and Punnet |
| Answer» B. Beadle and Tatum | |
| 5996. |
Exchange of genetic material between chromatids of homologous chromosomes during meiosis is called [CBSE PMT 1996] |
| A. | Synapsis |
| B. | Chiasmata |
| C. | Transformation |
| D. | Crossing over |
| Answer» E. | |
| 5997. |
Mendel observed that some characters did not assort independently. Later researchers found it to be due to [MP PMT 1995, 98] |
| A. | Crossing-over |
| B. | Linkage |
| C. | Dominance of one trait over the other |
| D. | Amitosis |
| Answer» C. Dominance of one trait over the other | |
| 5998. |
Chiasmata firstly seen in [RPMT 1995; MP PMT 2003] |
| A. | Leptotene |
| B. | Zygotene |
| C. | Pechytene |
| D. | Diplotene |
| Answer» E. | |
| 5999. |
The evidence that crossing over occurs at four stranded stage and not at two stranded stage of the chromosomes, comes from [DPMT 1993] |
| A. | 2 : 2 : 2 : 2 arrangement of ascospores in Neurospora |
| B. | 4 : 4 arrangement of ascospores in Neurospora |
| C. | Studies of meiosis in maize |
| D. | Studies on linkage maps of chromosomes in Drosophila |
| Answer» B. 4 : 4 arrangement of ascospores in Neurospora | |
| 6000. |
\[{{P}_{700}}\]is a special form of which pigment [RPMT 1997] |
| A. | Chlorophyll b |
| B. | Carotenes |
| C. | Chlorophyll a |
| D. | Phycobilins |
| Answer» D. Phycobilins | |