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.
| 9801. |
Muscle cramp is |
| A. | Displacement of muscle from its original position |
| B. | Painful contractions of muscles |
| C. | One muscle overlaps the other |
| D. | All the above |
| Answer» C. One muscle overlaps the other | |
| 9802. |
One of the sciences for which training in biology is essential, namely the science of treating diseases with drugs or curative substances, is called [AMU 1999] |
| A. | Medicine |
| B. | Pharmacy |
| C. | Pest control |
| D. | Physiotherapy |
| Answer» B. Pharmacy | |
| 9803. |
Papilionaceous flower with large vexillum covering two wings and the wings covering the keel has corolla aestivation of [CPMT 1992] |
| A. | Descending imbricate |
| B. | Ascending imbricate |
| C. | Twisted |
| D. | Valvate |
| Answer» B. Ascending imbricate | |
| 9804. |
Heterocercal tail is found in [RPMT 2002] |
| A. | Cartilaginous fishes |
| B. | Bony fishes |
| C. | Whale |
| D. | Amphibians |
| Answer» B. Bony fishes | |
| 9805. |
Which of the following structure helps in the respiration of lichens [AIIMS 2002] |
| A. | Soredia |
| B. | Cyphella |
| C. | Isoidia |
| D. | Cephalodia |
| Answer» C. Isoidia | |
| 9806. |
Poisons like cyanide inhibit \[N{{a}^{+}}\]efflux and \[{{K}^{+}}\]influx during cellular transport. This inhibitory effect is reversed by an injection of ATP. This demonstrates that [CBSE PMT 1994] |
| A. | ATP is the carrier protein in the transport system |
| B. | \[N{{a}^{+}}\]- \[{{K}^{+}}\]exchange pump operates in the cell |
| C. | ATP is hydrolysed by ATPase to release energy |
| D. | Energy for \[N{{a}^{+}}-{{K}^{+}}\]exchange pump comes from ATP |
| Answer» B. \[N{{a}^{+}}\]- \[{{K}^{+}}\]exchange pump operates in the cell | |
| 9807. |
Cells of Nostoc are |
| A. | Moniliform |
| B. | Fusiform |
| C. | Conical |
| D. | None of the above |
| Answer» B. Fusiform | |
| 9808. |
In DNA if 10% guanine is present, how much thymine is present [EAMCET 1993] |
| A. | 0.1 |
| B. | 0.4 |
| C. | 0.8 |
| D. | 0.2 |
| Answer» C. 0.8 | |
| 9809. |
An apocarpous flower is found in [CPMT 1976; BHU 1999; JIPMER 2000] |
| A. | Caesalpinnia |
| B. | Ranunculus |
| C. | Brassica |
| D. | Datura |
| Answer» C. Brassica | |
| 9810. |
An organism that photosynthesizes but do not release any molecular oxygen during the process is |
| A. | Algal component of a lichen |
| B. | Blue-green algae |
| C. | Green sulphur bacteria |
| D. | Spirochaete |
| Answer» D. Spirochaete | |
| 9811. |
Which one is a poikilothermic (cold blooded) animal [CPMT 1984] |
| A. | Penguin |
| B. | Whale |
| C. | Otter |
| D. | Tortoise |
| Answer» E. | |
| 9812. |
Sieve tubes of Pinus have sieve plates on |
| A. | Radial walls |
| B. | Tangential walls |
| C. | Transverse walls |
| D. | None of the above |
| Answer» B. Tangential walls | |
| 9813. |
Conidia of Albugo are arranged [RPMT 1995] |
| A. | Irregularly |
| B. | Acropetally |
| C. | Basipetally |
| D. | Intercalary |
| Answer» D. Intercalary | |
| 9814. |
After how many days could a patient commonly feel malaria from the time of biting of mosquito [CPMT 1998] |
| A. | 2 - 8 days |
| B. | 8 - 10 days |
| C. | 10 - 20 days |
| D. | 20 - 30 days |
| Answer» C. 10 - 20 days | |
| 9815. |
Bundles of striated muscle fibres called fasciculi are enclosed by a sheath called [CPMT 1987] |
| A. | Epimysium |
| B. | Endomysium |
| C. | Perimysium |
| D. | Peritoneum |
| Answer» D. Peritoneum | |
| 9816. |
Which one of the following pairs is correctly matched [MP PMT 1993] |
| A. | Ribosomal RNA Carries amino acids to the site of protein synthesis |
| B. | Transcription Process by which protein is synthesized |
| C. | Translation Process by which m-RNA carries the information from the nucleus to ribosomes |
| D. | Anticodon Site of a t-RNA molecule hydrogen bond that binds to the m-RNA molecule |
| Answer» E. | |
| 9817. |
The branch of biology dealing with the process how to improve the human race by selective breeding is [AFMC 1997; AIIMS 1997; Orissa JEE 2005] |
| A. | Euthenics |
| B. | Obstetrics |
| C. | Euphenics |
| D. | Eugenics |
| Answer» E. | |
| 9818. |
Tetradynamous condition is related to [CPMT 1993] |
| A. | Androecium |
| B. | Inflorescence |
| C. | Perianth |
| D. | Gynoecium |
| Answer» B. Inflorescence | |
| 9819. |
\[{{C}_{4}}\]plants are found among [BHU 1990] |
| A. | Gramineae only |
| B. | Monocots only |
| C. | Dicots only |
| D. | Monocots as well as dicots |
| Answer» E. | |
| 9820. |
Heteromorphic alternation of generations occurs is [EAMCET 1995] |
| A. | Funaria, Spirogyra, Selaginella |
| B. | Funaria, Selaginella, Cycas |
| C. | Spirogyra, Rhizopus, Selaginella |
| D. | Rhizopus, Funaria, Spirogyra |
| Answer» C. Spirogyra, Rhizopus, Selaginella | |
| 9821. |
Sometimes, in yeast, the conjugation takes place between a parent cell and a bud. It is called [KCET 2001] |
| A. | Isogamy |
| B. | Syngamy |
| C. | Pedogamy |
| D. | Parthenogenesis |
| Answer» D. Parthenogenesis | |
| 9822. |
Destruction of nucleus in Amoeba results in [RPMT 1995] |
| A. | Immediate death |
| B. | Slowing down of metabolic activity and ultimate death |
| C. | Quick locomotion |
| D. | No change |
| Answer» C. Quick locomotion | |
| 9823. |
Otitis media (inflammation of middle ear) is caused by |
| A. | Virus |
| B. | Bacteria |
| C. | Bacteriophage |
| D. | Mycoplasma |
| Answer» E. | |
| 9824. |
In his experiments on the chemistry of DNA, Chargaff estimated the base composition of human sperms and found that Adenine constituted 31% and Guanine 19%. The quantity of Cytosine in the DNA of human somatic cell is likely to be [BHU 1991] |
| A. | 0.31 |
| B. | 0.19 |
| C. | 0.38 |
| D. | 0.68 |
| Answer» C. 0.38 | |
| 9825. |
Study of rudimentary organs is [BCECE 1995] |
| A. | Etiology |
| B. | Dysteleology |
| C. | Chirology |
| D. | Dermatology |
| Answer» C. Chirology | |
| 9826. |
Infructescence is [AFMC 1994] |
| A. | Composite (multiple) fruit developed from condensed inflorescence |
| B. | Aggregate fruit developed from free carpels |
| C. | Fruit develop from inferior ovary |
| D. | Fruit develops from thalamus |
| Answer» B. Aggregate fruit developed from free carpels | |
| 9827. |
As compared to a \[{{C}_{3}}\] plant, how many additional molecules of ATP are needed for net production of one molecule hexose sugar by \[{{C}_{4}}\]plants [CBSE PMT 2005] |
| A. | Two |
| B. | Six |
| C. | Zero |
| D. | Twelve |
| Answer» E. | |
| 9828. |
The animal group, where the adults are degenerated but larvae are well developed, is [CPMT 1999] |
| A. | Agnatha |
| B. | Tunicates |
| C. | Amphibians |
| D. | Cephalo chordates |
| Answer» C. Amphibians | |
| 9829. |
In Pinus, the approximate time for fertilization after pollination is [BHU 1994] |
| A. | Only a few hours |
| B. | Only a few days |
| C. | Only a few weeks |
| D. | About one year |
| Answer» E. | |
| 9830. |
In yeast, cell wall contains [AFMC 1999] |
| A. | Amylose and glucose |
| B. | Glucose and mannose |
| C. | Glucose and muramic acid |
| D. | Sucrose and mannose |
| Answer» C. Glucose and muramic acid | |
| 9831. |
Mycoplasma can be cultured on |
| A. | P.D.A. medium |
| B. | C.P.A. medium |
| C. | Hayflick's (modified) medium |
| D. | None of these |
| Answer» D. None of these | |
| 9832. |
The triceps and biceps muscles are of [MP PMT 1992] |
| A. | Antagonist type |
| B. | Involuntary type |
| C. | Smooth type |
| D. | Sphincter type |
| Answer» B. Involuntary type | |
| 9833. |
Which of the following relates to the determination of age of the tree by counting the number of annual rings [AIIMS 1992; Kerala PMT 2001, 2003] |
| A. | Dendrology |
| B. | Cytochronology |
| C. | Numerology |
| D. | Dendrochronology |
| Answer» E. | |
| 9834. |
Opening of flowers in the cymose inflorescence is [AMU 1999] |
| A. | Centrifugal |
| B. | Centripetal |
| C. | Acrepetal |
| D. | Basipetal |
| Answer» B. Centripetal | |
| 9835. |
First transitory chemical formed by reaction between \[C{{O}_{2}}\]and \[RuBP\] is [J & K CET (Med.) 2002] |
| A. | PGAL/GAP |
| B. | 2 Carboxy, 3- keto, 1-5 biphospho ribotol |
| C. | PGA |
| D. | Dihydroxy acetone phosphate |
| Answer» C. PGA | |
| 9836. |
The group ?amniota? includes [DPMT 1982, 85; CPMT 1984; EAMCET 1998; KCET 1999; Wardha 2005] |
| A. | Birds and reptiles |
| B. | Birds and mammals |
| C. | Reptiles and mammals |
| D. | Reptiles, birds and mammals |
| Answer» E. | |
| 9837. |
In the archegonium of a fern [CPMT 1994; CBSE PMT 2001; Orissa PMT 2002] |
| A. | There are 4 neck canal cells |
| B. | There are 3 neck canal cells |
| C. | There is one neck canal with one nucleus |
| D. | There is one neck canal with two nucleus |
| Answer» E. | |
| 9838. |
In yeast during budding which process occurs [CPMT 1984] |
| A. | Synapsis |
| B. | Unequal division of cytoplasm |
| C. | Doubling of chromosomes |
| D. | Spindle formation |
| Answer» C. Doubling of chromosomes | |
| 9839. |
If all ponds and puddles are destroyed, the organism likely to be destroyed is [CBSE PMT 1993] |
| A. | Leishmania |
| B. | Trypanosoma |
| C. | Ascaris |
| D. | Plasmodium |
| Answer» E. | |
| 9840. |
Which cells are not true in blood [EAMCET 1998] |
| A. | Platelets |
| B. | Monocytes |
| C. | Neutrophils |
| D. | Basophils |
| Answer» B. Monocytes | |
| 9841. |
tRNA is composed of about how many nucleotides |
| A. | 50 to 55 |
| B. | 75 to 90 |
| C. | 92 to 98 |
| D. | More than 100 |
| Answer» C. 92 to 98 | |
| 9842. |
Which one of the following sequences is true [Pb. PMT 2000; VVMC Safdarjung 2001] |
| A. | Observations, problem defining, hypothesis, experiment |
| B. | Experiment, hypothesis, problem defining, observation |
| C. | Observation hypothesis problem defining, experiment |
| D. | Problem defining, observation, hypothesis, experiment |
| Answer» B. Experiment, hypothesis, problem defining, observation | |
| 9843. |
An inflorescence in which flowers arise from different points but reach the same level is called as [JIPMER 1999] |
| A. | Catkin |
| B. | Corymb |
| C. | Umbel |
| D. | Spadix |
| Answer» C. Umbel | |
| 9844. |
The first intermediate formed during photosynthesis is [CPMT 2000] |
| A. | Fructose 1, 6-diphosphate |
| B. | Ribulose 1, 5-biphosphate |
| C. | Xylulose-5-phosphate |
| D. | Phosphoglyceraldehyde |
| Answer» E. | |
| 9845. |
Which is living fossil [MP PMT 2000] |
| A. | Coelacanth |
| B. | Limulus |
| C. | Sphenodon |
| D. | All of these |
| Answer» E. | |
| 9846. |
The mature embryo of Pinus consists of |
| A. | Radicle and plumule |
| B. | 1+10 cotyledons |
| C. | Radicle, plumule and many cotyledons |
| D. | 3 cotyledons + endosperm |
| Answer» D. 3 cotyledons + endosperm | |
| 9847. |
Yeast is [AIIMS 1997] |
| A. | Purely aerobic |
| B. | Anaerobic |
| C. | Rarely anaerobic |
| D. | Both aerobic and anaerobic |
| Answer» E. | |
| 9848. |
In malaria, shivering occurs when [MP PMT 1987, 89] |
| A. | Schizonts enter R.B.C. |
| B. | Sporozoites enter human body |
| C. | Merozoites are liberated from R.B.C. alongwith toxin |
| D. | Signet ring stage is attained |
| Answer» D. Signet ring stage is attained | |
| 9849. |
Vertical transmission of mycoplasmal diseases may be through |
| A. | Bulbs |
| B. | Tubers |
| C. | Corns |
| D. | All the above |
| Answer» E. | |
| 9850. |
Which of the character is not applicable to t-RNA [Kerala CET 2003] |
| A. | It is the smallest of the RNAs |
| B. | It acts as an adapter for amino acids |
| C. | It has a clover leaf like structure |
| D. | It is the largest of the RNAs |
| Answer» E. | |