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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.
| 13951. |
Winged bean (Psophocarpus tetragonolobus) is a |
| A. | Plant similar to soybean in nutritional value |
| B. | New potential crop |
| C. | A nitrogen fixing vine |
| D. | All of these |
| Answer» E. | |
| 13952. |
To store blood some anticoagulant is added. It can be [CPMT 1984] |
| A. | Sodium chloride |
| B. | Sodium oxalate |
| C. | Potassium chloride |
| D. | Thromboplastin |
| Answer» C. Potassium chloride | |
| 13953. |
If the foetus is \[R{{h}^{+}}\]and mother is \[R{{h}^{-}}\] then [BVP 2004] |
| A. | Foetus will transmit antigen to mother blood |
| B. | Foetus will transmit antibody to mother blood |
| C. | Foetus is attacked by antibodies to mother blood |
| D. | Foetus is attacked by antigen to mother blood |
| Answer» B. Foetus will transmit antibody to mother blood | |
| 13954. |
Which of the following are most abundant types of antibodies [CBSE PMT 1999] |
| A. | IgA |
| B. | IgE |
| C. | IgG |
| D. | IgM |
| Answer» D. IgM | |
| 13955. |
In terms of ABO system of blood grouping a transfussion reaction is likely to follow administration of [AFMC 1994] |
| A. | Group A blood to a group A person |
| B. | Group B blood to a group AB person |
| C. | Group O blood to a group AB person |
| D. | Group A blood to a group O person |
| Answer» E. | |
| 13956. |
MN factors are due to |
| A. | Two co-dominant genes M and N |
| B. | Recessive genes m and n |
| C. | Mn and Nm |
| D. | None of the above |
| Answer» B. Recessive genes m and n | |
| 13957. |
Which blood group can be transferred to A blood group [MP PMT 2005] |
| A. | A and O |
| B. | AB and O |
| C. | AB |
| D. | All of the above |
| Answer» B. AB and O | |
| 13958. |
A person with antigens ?B' in RBC and antibodies ?a' in the plasma belongs to the blood group [AFMC 1978] |
| A. | A |
| B. | B |
| C. | AB |
| D. | O |
| Answer» C. AB | |
| 13959. |
If a child has O type of blood group and the father B type, the genotype of the father will be [CBSE PMT 1992] |
| A. | \[{{I}^{O}}{{I}^{O}}\] |
| B. | \[{{I}^{A}}{{I}^{B}}\] |
| C. | \[{{I}^{O}}{{I}^{B}}\] |
| D. | \[{{I}^{B}}{{I}^{B}}\] |
| Answer» D. \[{{I}^{B}}{{I}^{B}}\] | |
| 13960. |
A person with blood group ?A' can be given blood of which group [CPMT 1980; MP PMT 1993] |
| A. | A and B |
| B. | B and O |
| C. | A and O |
| D. | A, B, AB and O |
| Answer» D. A, B, AB and O | |
| 13961. |
When an individual is having both the alleles of a contrasting character, it is said to be [CPMT 1993, 94] |
| A. | Homozygous |
| B. | Heterozygous |
| C. | Dioecious |
| D. | Monoecious |
| Answer» C. Dioecious | |
| 13962. |
In a monohybrid cross when \[{{F}_{1}}\]is crossed with homozygous dominant parent then which type of offsprings will obtain [RPMT 2002] |
| A. | Dominant: recessive 3 : 1 |
| B. | Only recessive |
| C. | Dominant : recessive 1 : 1 |
| D. | No recessive |
| Answer» E. | |
| 13963. |
A cross between a homozygous recessive and a heterozygous plant is called [BHU 1995; MHCET 2003] |
| A. | Monohybrid cross |
| B. | Dihybrid cross |
| C. | Test cross |
| D. | Back cross |
| Answer» D. Back cross | |
| 13964. |
Mendel studied on pea plant in |
| A. | Vienna University |
| B. | University of Austria |
| C. | Monestry of Brun |
| D. | School of Brun |
| Answer» D. School of Brun | |
| 13965. |
In Mendelism, linkage was not observed due to [CPMT 1999] |
| A. | Mutation |
| B. | Independent assortment |
| C. | Synapsis |
| D. | Crossing over |
| Answer» C. Synapsis | |
| 13966. |
In Mendel's experiment nature of seed coat, flower colour, position of flower, pod colour, stem height etc. are reffered to as [RPMT 1997] |
| A. | Alleles |
| B. | Genotypes |
| C. | Phenotypes |
| D. | All of above |
| Answer» D. All of above | |
| 13967. |
The dwarfness in plants of \[{{F}_{2}}\]generation is [DPMT 1992] |
| A. | Recessive |
| B. | Dominant |
| C. | Both the above |
| D. | None of the above |
| Answer» B. Dominant | |
| 13968. |
When two odd characters are present in a gene, this is known as [RPMT 1999] |
| A. | Bigamous |
| B. | Heterogamous |
| C. | Polymorphic |
| D. | Heteromorphic |
| Answer» C. Polymorphic | |
| 13969. |
The alleles are [KCET 1994; MHCET 2004] |
| A. | A pair of genes governing a specific character such as tallness or dwarfness |
| B. | Multiple forms of genes |
| C. | Genes governing eye characters |
| D. | Genes present in allosomes |
| Answer» B. Multiple forms of genes | |
| 13970. |
What is the correct sequence of the following events 1. Formation of the chromosome theory of heredity 2. Experiments which proved that DNA is the hereditary material 3. Mendel's laws of inheritance-discovery [MP PMT 1993] Code: |
| A. | 1, 3 and 2 |
| B. | 1, 2 and 3 |
| C. | 3, 1 and 2 |
| D. | 2, 1 and 3 |
| Answer» D. 2, 1 and 3 | |
| 13971. |
Which of the following Mendel has selected for his experiment [Bihar MDAT 1995] |
| A. | Garden pea |
| B. | Pigeon pea |
| C. | Sweet pea |
| D. | Moong (e) None of these |
| Answer» B. Pigeon pea | |
| 13972. |
What is the practical utility of genetics |
| A. | Improvement in qualities of pet animals |
| B. | Improvement in crop quality |
| C. | Improvement in qualities of man |
| D. | All the above |
| Answer» E. | |
| 13973. |
Who out of the following was of the strong opinion that acquired characteristics are inherited [CPMT 1987] |
| A. | Lamarck |
| B. | Lysenko |
| C. | Mendel |
| D. | Huxley |
| Answer» B. Lysenko | |
| 13974. |
Laws of Mendel are valid for [MP PMT 2005] |
| A. | Asexual reproduction |
| B. | Sexual reproduction |
| C. | Regetative reproduction |
| D. | All above |
| Answer» C. Regetative reproduction | |
| 13975. |
If a cross is made between AA and aa, the nature of progeny will be [CPMT 2004] |
| A. | Genotypically AA, phenotypically a |
| B. | Genotypically Aa, phyenotypically a |
| C. | Genotypically Aa, phyenotypically A |
| D. | Genotypically aa, phyenotypically A |
| Answer» D. Genotypically aa, phyenotypically A | |
| 13976. |
Mendel's law of independent assortment is applicable for [Orissa PMT 2002] |
| A. | All genes in all organism |
| B. | All genes of pea plant only |
| C. | All linked genes only |
| D. | All non-linked genes only |
| Answer» E. | |
| 13977. |
Blue flowered and white flowered plant on crossing gave progeny of blue and white flowered in the ratio of 60 : 40. What ratio of blue and white is expected if the blue flowered are self-pollinated [RPMT 1997] |
| A. | 76 : 24 |
| B. | 40 : 60 |
| C. | 52 : 48 |
| D. | 84 : 16 |
| Answer» B. 40 : 60 | |
| 13978. |
When two genetic loci produce identical phenotypes in cis as well as in trans position, they are considered to be [CBSE PMT 1995; BHU 1999] |
| A. | Pseudo alleles |
| B. | The parts of the same gene |
| C. | Multiple alleles |
| D. | Different genes |
| Answer» C. Multiple alleles | |
| 13979. |
When Mendel crossed true breeding white-flowered strain of peas with a true breeding red-flowered strain, individuals in the \[{{F}_{2}}\]represented [DPMT 1976] |
| A. | White-flowered plants |
| B. | Red-flowered plants |
| C. | Red-flowered and white-flowered plants in the ratio 3 : 1 |
| D. | Red and white-flowered individuals in the ratio 1 : 1 |
| Answer» D. Red and white-flowered individuals in the ratio 1 : 1 | |
| 13980. |
Distance between two linked genes upon a chromosome is measured in cross over units, is [AIIMS 1998] |
| A. | Ratio of crossing over between them |
| B. | Cross-over value |
| C. | Number of other genes between them |
| D. | None of these |
| Answer» C. Number of other genes between them | |
| 13981. |
Pure homozygous offsprings in a dihybrid cross in the generation will be |
| A. | 1/2 |
| B. | 1/4 |
| C. | 1/8 |
| D. | 1/16 |
| Answer» D. 1/16 | |
| 13982. |
Crossing over that results in genetic recombination in higher organisms occurs between [CBSE PMT 2004, DPMT 2004, BVP 2004] |
| A. | Two daughter nuclei |
| B. | Two different bivalents |
| C. | Sister chromatids of a bivalent |
| D. | Non-sister chromatids of a bivalent |
| Answer» E. | |
| 13983. |
An abnormal human male phenotype involving an extra X chromosome (XXY) is a case of [CBSE PMT 1995; CPMT 1996; MP PMT 1997, 2004] |
| A. | Down's syndrome |
| B. | Intersex |
| C. | Edward syndrome |
| D. | Klinefelter syndrome |
| Answer» E. | |
| 13984. |
The frequency of a mutant gene in a population is expected to increase, if the gene is [CBSE PMT 1994] |
| A. | Recessive |
| B. | Dominant |
| C. | Sex linked |
| D. | Favourably selected |
| Answer» E. | |
| 13985. |
Mutation caused by a mutagen is [BVP 2001] |
| A. | Natural |
| B. | Chemical |
| C. | Spontaneous |
| D. | Induced |
| Answer» E. | |
| 13986. |
Restriction endonuclease, an enzyme used in Genetic Engineering is employed for [Kerala PMT 2004] |
| A. | Probing exons |
| B. | Cutting double stranded DNA |
| C. | Cutting single stranded DNA |
| D. | Join strands of DNA |
| Answer» C. Cutting single stranded DNA | |
| 13987. |
Incomplete dominance is found in [MP PMT 2001] |
| A. | Pisum sativum |
| B. | Antirrhinum majus |
| C. | Both (a) and (b) |
| D. | None of these |
| Answer» C. Both (a) and (b) | |
| 13988. |
Disorders of amino acid metabolism results in [CBSE PMT 1993] |
| A. | Alkaptonuria |
| B. | Phenylketonuria |
| C. | Albinism |
| D. | All the above |
| Answer» E. | |
| 13989. |
Functioning of structural genes is controlled by [MP PMT 2001] |
| A. | Operator |
| B. | Promoter |
| C. | Ligase |
| D. | Regulatory gene |
| Answer» B. Promoter | |
| 13990. |
Grafting between two members of same species is |
| A. | Allograft |
| B. | Autograft |
| C. | Xenograft |
| D. | None of the above |
| Answer» B. Autograft | |
| 13991. |
Bilocular oblique ovary with numerous shining ovule on swollen axile placenta is the characteristics of [BHU 1980, 82; MP PMT 1986; CPMT 1988; RPMT 1988; APMEE 1994; AMU 2002] |
| A. | Cruciferae |
| B. | Solanaceae |
| C. | Liliaceae |
| D. | Malvaceae |
| Answer» C. Liliaceae | |
| 13992. |
Tetradynamous condition is found in [CPMT 2004; AFMC 2004] |
| A. | Hibiscus rosa-sinesis |
| B. | Petunia hybrida |
| C. | Helianthus annuus |
| D. | Brassica campestris |
| Answer» E. | |
| 13993. |
Staminodes occur in family [RPMT 1985, 87, 95, 96] |
| A. | Papilionatae/Arachis |
| B. | Malvaceae/Hibiscus |
| C. | Caesalpinoideae/Cassia |
| D. | Cruciferae/Iberis |
| Answer» D. Cruciferae/Iberis | |
| 13994. |
Datura belongs to [CPMT 1984; AFMC 1996] |
| A. | Compositae |
| B. | Labiatae |
| C. | Malvaceae |
| D. | Solanaceae |
| Answer» E. | |
| 13995. |
Pulses are obtained from [CPMT 1984; DPMT 1984; CBSE PMT 1993; RPMT 1995; MP PMT 1998, 2000, 02] |
| A. | Fabaceae |
| B. | Asteraceae |
| C. | Poaceae |
| D. | Solanaceae |
| Answer» B. Asteraceae | |
| 13996. |
Scientific name of Sunflower is [CPMT 1984, 86] |
| A. | Brassica compesteris |
| B. | Pisum sativum |
| C. | Helianthus annuus |
| D. | Gossypium herbaceum |
| Answer» D. Gossypium herbaceum | |
| 13997. |
In fabaceae, one of the following immediately encloses the essential organs [APMEE 2002] |
| A. | Anterior petals |
| B. | Posterior petal |
| C. | Lateral petals |
| D. | Sepals |
| Answer» B. Posterior petal | |
| 13998. |
The two families dominate in having maximum useful plants [BHU 1990; Pb. PMT 1993; CBSE PMT 1997] |
| A. | Fabaceae and Poaceae |
| B. | Liliaceae and Solanaceae |
| C. | Malvaceae and Brassicaceae |
| D. | Liliaceae and Poaceae |
| Answer» B. Liliaceae and Solanaceae | |
| 13999. |
A family belongs to inferae of gamopetalae [CPMT 1990] |
| A. | Fabaceae |
| B. | Liliaceae |
| C. | Asteraceae |
| D. | Brassicaceae |
| Answer» D. Brassicaceae | |
| 14000. |
Which statement is wrong for compositae [CPMT 1998] |
| A. | 5-lobed stamens |
| B. | Syngenesious stamens |
| C. | Basal ovule |
| D. | Ligulate ray florets |
| Answer» B. Syngenesious stamens | |