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.
| 9501. |
Which of the following was expert in making tools, weapons, paintings etc. [CPMT 1984; BHU 2005] or Who drew excellent pictures of animals in caves, made tools, carved ornaments from ivory stone arrows etc. [MP PMT 1994] |
| A. | Java ape man |
| B. | Peking man |
| C. | Cro-Magnon man |
| D. | Rhodesian man |
| Answer» D. Rhodesian man | |
| 9502. |
Three chambered heart of frog is not as efficient as four-chambered human heart because [EAMCET 1999] |
| A. | Heart muscles are not strong |
| B. | It does not hold enough blood |
| C. | Ventricle does not pump blood properly |
| D. | Oxygenated and deoxygenated blood mix up |
| Answer» E. | |
| 9503. |
Master plate in replica plating experiment contained the |
| A. | Drug resistant bacteria |
| B. | Sterile colony of bacteria |
| C. | Different colonies of fertile bacteria |
| D. | None of the above |
| Answer» D. None of the above | |
| 9504. |
Fossil contents of the alimentary canal are termed as |
| A. | Casts |
| B. | Corprolites |
| C. | Impressions |
| D. | Trails |
| Answer» C. Impressions | |
| 9505. |
The exchange of one part of a chromosome to the other part of same or another chromosome is called [AFMC 2002] |
| A. | Inversion |
| B. | Mutation |
| C. | Translocation |
| D. | Linkage |
| Answer» D. Linkage | |
| 9506. |
Pylangium in frog is found in [CBSE PMT 1990] [] |
| A. | Atrium |
| B. | Ventricle |
| C. | Sinus venosus |
| D. | Conus arteriosus |
| Answer» E. | |
| 9507. |
Persons with the following syndrome have a tendency of tall structure, mental defects and a strong antisocial behaviour [KCET 1994] |
| A. | XYY syndrome |
| B. | Down's syndrome |
| C. | Klinefelter's syndrome |
| D. | Turner's syndrome |
| Answer» B. Down's syndrome | |
| 9508. |
Smallest cladode is reported in |
| A. | Lemna |
| B. | Azolla |
| C. | Wolffia |
| D. | Parkinsonia |
| Answer» B. Azolla | |
| 9509. |
Which of the following is non-enzymatic phosphorylation |
| A. | Formation of fructose 1, 6 diphosphate |
| B. | Formation of dihydroxyacetone phosphate |
| C. | Formation of 1, 3 diphosphoglyceraldehyde |
| D. | All the above |
| Answer» D. All the above | |
| 9510. |
Which of the following can photosynthesize at low temperature [BVP 2000] |
| A. | Bacteria |
| B. | Lichen |
| C. | Yeast |
| D. | Batrachospermum |
| Answer» C. Yeast | |
| 9511. |
On the basis of symptoms of chlorosis in leaves, a student inferred that this was due to the deficiency of nitrogen. This inference could be correct only if yellowing of leaves appeared first in [AIIMS 1980] |
| A. | Young leaves |
| B. | Old leaves |
| C. | Young leaves followed by old leaves |
| D. | Old leaves followed by young leaves |
| Answer» C. Young leaves followed by old leaves | |
| 9512. |
Which one of the following is a matching set of the class and some of its main distinguishing features |
| A. | Sporozoa - Infection by sporozoites, transmision by intermediate host and a contractile vacuole |
| B. | Trematoda - Well developed suckers, flat unsegmented body |
| C. | Arachnida - 3 pairs of legs, chitinous exoskeleton and poisonous sting |
| D. | Insecta - Compound eyes, segmented body and nephridia |
| Answer» C. Arachnida - 3 pairs of legs, chitinous exoskeleton and poisonous sting | |
| 9513. |
Which one of the following group of fungi is sometimes known as "fungal waste basket" |
| A. | Phycomycetes |
| B. | Ascomycetes |
| C. | Basidiomycetes |
| D. | Deuteromycetes |
| Answer» E. | |
| 9514. |
Cell wall of Gram negative bacteria is |
| A. | 20 to 30 mm thick |
| B. | 10 to 15 mm thick |
| C. | 5 to 10 mm thick |
| D. | 15 to 20 mm thick |
| Answer» C. 5 to 10 mm thick | |
| 9515. |
Amoeba taken downstream to estuary will show [CPMT 1993] |
| A. | Disappearance of contractile vacuole |
| B. | Binary fission |
| C. | Encystment |
| D. | Stoppage of feeding |
| Answer» B. Binary fission | |
| 9516. |
Pylangium in frog is found in [CBSE PMT 1990] |
| A. | Atrium |
| B. | Ventricle |
| C. | Sinus venosus |
| D. | Conus arteriosus |
| Answer» E. | |
| 9517. |
Trilobites were evolved during which of the following period [CPMT 1999; MH CET 2000; BHU 2004] |
| A. | Salvian |
| B. | Cambrian |
| C. | Ordovician |
| D. | Pre-cambrian |
| Answer» C. Ordovician | |
| 9518. |
Contraction of sternohyal muscles during breathing in frog [CBSE PMT 1992] |
| A. | Closes glottis |
| B. | Opens the nostrils |
| C. | Raises floor of oral cavity |
| D. | Lowers floor of oral cavity |
| Answer» E. | |
| 9519. |
Some of the important evidences of organic evolution are [CPMT 1982] |
| A. | Occurrence of homologous and vestigial organs |
| B. | Occurrene of analogous and vestigial organs |
| C. | Occurrence of homologous and analogous organs |
| D. | Occurrence of analogous organs only |
| Answer» B. Occurrene of analogous and vestigial organs | |
| 9520. |
Stomach of frog does not have |
| A. | Fundic part |
| B. | Cardiac part |
| C. | Pyloric part |
| D. | All of these |
| Answer» B. Cardiac part | |
| 9521. |
A black dog heterozygous for the colour is crossed with white bitch, recessive homozygous. Progeny will show black to white offsprings in the ratio of [DPMT 1983] |
| A. | All black |
| B. | All albino |
| C. | 0.0423611111111111 |
| D. | 0.125694444444444 |
| Answer» D. 0.125694444444444 | |
| 9522. |
In the developmental history of mammalian heart, it is observed that it passes through a two?chambered fish?like heart, three?chambered frog?like heart and finally four?chambered stage. To which hypothesis can this above cited statement be approximated [CBSE PMT 1998] |
| A. | Biogenetic law |
| B. | Hardy Weinberg law |
| C. | Lamarck's principle |
| D. | Mendelian principle |
| Answer» B. Hardy Weinberg law | |
| 9523. |
In frog, pancreas produces [CBSE PMT 1991] |
| A. | Two digestive enzymes, one hormone |
| B. | Three digestive enzymes, one hormone |
| C. | Three digestive enzymes, two hormones |
| D. | Three digestive enzymes, three hormones |
| Answer» C. Three digestive enzymes, two hormones | |
| 9524. |
The mule is a [NCERT 1973] |
| A. | Hybrid |
| B. | Out cross |
| C. | Species |
| D. | Vigour hybrid |
| Answer» B. Out cross | |
| 9525. |
Present day mammals have their predecessor in [Pune CET 1998] |
| A. | Therapsids |
| B. | Diapsids |
| C. | Synapsids |
| D. | Anapsids |
| Answer» B. Diapsids | |
| 9526. |
Which of the following parts is not a part of the small intestine of frog |
| A. | Ileum |
| B. | Jejunum |
| C. | Duodenum |
| D. | None of these |
| Answer» C. Duodenum | |
| 9527. |
Initiating codon in eukaryotes is [CBSE PMT 1999; MP PMT 1997; BVP 2002, 04; DPMT 2003; BHU 2004; Kerala PMT 2004] |
| A. | AUG |
| B. | GUG |
| C. | UGA |
| D. | UAG |
| Answer» B. GUG | |
| 9528. |
Animals living in colder region have shorter tail and ears as compared to the animals living in warmer regions. This phenomenon is called [CBSE PMT 1996] |
| A. | Bergman's law |
| B. | Glober's law |
| C. | Allen's law |
| D. | Jordan's law |
| Answer» D. Jordan's law | |
| 9529. |
Identify the following point mutations in mRNA : UAU ACC UAU to UAU AAC CUA and UUG CUA AUA to UUG CUG AUA [JIPMER 1993] |
| A. | Transition and frame shift respectively |
| B. | Transversion and frame shift respectively |
| C. | Frame shift and transversion respectively |
| D. | Frame shift and transition respectively |
| Answer» E. | |
| 9530. |
A species that contains two or more sub-species are called |
| A. | Sibling species |
| B. | Sub-species pool |
| C. | Polytypic species |
| D. | Biological races |
| Answer» D. Biological races | |
| 9531. |
When a frog is transferred from 20°C to 30°C, its body temperature [CPMT 1982] |
| A. | Falls to 15°C |
| B. | Rises to 30°C |
| C. | Falls to 12°C |
| D. | Remain unchanged |
| Answer» C. Falls to 12°C | |
| 9532. |
In a bush pattern of evolution, the uppermost tips of the branches represent |
| A. | Early prosimians |
| B. | Lower taxonomic rank |
| C. | Descendent lines |
| D. | Currently living species |
| Answer» E. | |
| 9533. |
Layer of actively dividing cells in skin of frog is termed as stratum [CBSE PMT 1993] |
| A. | Malpighi |
| B. | Corneum |
| C. | Compactum |
| D. | Spongiosum |
| Answer» B. Corneum | |
| 9534. |
A man with blood group 'AB' marries a woman with 'O' blood group. In this situation [MP PMT 1994] |
| A. | The blood groups of their children will be the same as that of the mother |
| B. | The blood group of the children differs from both the parents |
| C. | While 50% of children will have father's blood group, the remaining will have mother's blood group |
| D. | None of the above |
| Answer» C. While 50% of children will have father's blood group, the remaining will have mother's blood group | |
| 9535. |
Frog has [MP PMT 1990; AFMC 1991] |
| A. | 4 fingers in hand and 5 toes in foot |
| B. | 5 fingers in hand and 5 toes in foot |
| C. | 5 fingers in hand and 4 toes in foot |
| D. | 6 fingers in hand and 5 toes in foot |
| Answer» B. 5 fingers in hand and 5 toes in foot | |
| 9536. |
The first mammals arose [CPMT 1986, 93] |
| A. | After the extinction of dinosaurs |
| B. | Before the origin of dinosaurs |
| C. | Along with the dinosaurs |
| D. | From the dinosaurs |
| Answer» D. From the dinosaurs | |
| 9537. |
A woman of blood group 'O' presented a baby of blood group 'O' which she claimed as her child. She brought a suit against a man of `AB' group as the father of the child. Which statement is correct as per your judgement [MP PMT 1994] |
| A. | The father and mother claimed are the true persons |
| B. | Father is true and mother is not the true person |
| C. | Both the parentage claims are false |
| D. | Mother is the true person and father claimed is not true |
| Answer» E. | |
| 9538. |
Which were dominant during mesozoic era [CPMT 1984] |
| A. | Pisces |
| B. | Ruling reptiles |
| C. | Birds |
| D. | Ruling mammals |
| Answer» C. Birds | |
| 9539. |
Mature wood stem has a peripheral water proof tissue with opening in the form of scars on its surface. They are [JIPMER 1994] |
| A. | Epidermal cells |
| B. | Guard cells |
| C. | Lenticels |
| D. | Stomata |
| Answer» B. Guard cells | |
| 9540. |
As a result of marriage of curly hair mother and straight hair father, 8 children are born. The ratio of curly and straight haired will be [CPMT 1980; MP PMT 2001] |
| A. | 0.251388888888889 |
| B. | 0.0875 |
| C. | 0.169444444444444 |
| D. | 0.128472222222222 |
| Answer» D. 0.128472222222222 | |
| 9541. |
An evolutionary explanation of the origin of plants and animals was given by |
| A. | Lucretius |
| B. | John Ray |
| C. | Erasmus Darwin |
| D. | Carl Linnaeus |
| Answer» B. John Ray | |
| 9542. |
Wilting of plants takes place when one of the following takes place [CPMT 1991] |
| A. | If few roots are damaged |
| B. | Light is cut to 50% |
| C. | Xylem is blocked |
| D. | Phloem is blocked |
| Answer» D. Phloem is blocked | |
| 9543. |
In order to find out the different types of gametes produced by a pea plant having the genotype AaBb, it should be crossed to a plant with the genotype [CBSE PMT 2005] |
| A. | aaBB |
| B. | AaBb |
| C. | AABB |
| D. | aabb |
| Answer» E. | |
| 9544. |
"Eternity of life'' means |
| A. | Infinite life |
| B. | Mortal life |
| C. | Immortal life |
| D. | None of the above |
| Answer» B. Mortal life | |
| 9545. |
Brussel's Sprouts are |
| A. | Undeveloped inflorescence |
| B. | Floral buds |
| C. | Vegetative buds |
| D. | Fruits |
| Answer» D. Fruits | |
| 9546. |
Value of roman \[Q_{10}^{0}\]for respiration is |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» C. Three | |
| 9547. |
Photosynthesis is [JIPMER 1986; CPMT 1988, 90] |
| A. | Oxidative, exergonic, catabolic |
| B. | Reductive, endergonic, anabolic |
| C. | Reductive, exergonic, anabolic |
| D. | Reductive, endergonic, catabolic |
| Answer» C. Reductive, exergonic, anabolic | |
| 9548. |
Which of the following is deficient in the soil of Gujarat, U.P. and Maharashtra in a large area |
| A. | Nitrogen |
| B. | Copper |
| C. | Zinc |
| D. | Potassium |
| Answer» D. Potassium | |
| 9549. |
The ratio of the enzyme to substrate molecule can be as high as |
| A. | 0.736111111111111 |
| B. | 1 : 1,00,000 |
| C. | 1 : 10,00,000 |
| D. | 1 : 50,000 |
| Answer» D. 1 : 50,000 | |
| 9550. |
In Hydra, egestion of undigested food and excretion of nitrogenous wastes occur through [CBSE PMT 2001] |
| A. | Mouth and tentacles |
| B. | Mouth and body wall |
| C. | Mouth and mouth |
| D. | Body wall and body wall |
| Answer» C. Mouth and mouth | |