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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.
| 5501. |
In crop improvement programme haploids are of great importance because they [CBSE PMT 1989] |
| A. | Are useful in studies on meiosis |
| B. | Require only about half the amount of chemical fertilizers as compare to diploids |
| C. | Give homozygous lines following diploidization |
| D. | Grow better under adverse conditions |
| Answer» D. Grow better under adverse conditions | |
| 5502. |
Who used X-rays for the production of mutations [MP PMT 1988, 96] |
| A. | Muller |
| B. | Leeuwenhoek |
| C. | Recawsky |
| D. | Hooker |
| Answer» B. Leeuwenhoek | |
| 5503. |
Synonym of pureline selection is |
| A. | Progeny selection |
| B. | Pedigree selection |
| C. | Single line selection |
| D. | All the above |
| Answer» D. All the above | |
| 5504. |
One of the popular method employed in the production of new varieties of plants is [BHU 1988] |
| A. | Selection and vegetative propagation |
| B. | Chemical treatment and selection |
| C. | Exposure to radiation and selection |
| D. | Selection and hybridization |
| Answer» E. | |
| 5505. |
Which one of the following agents is used to induce mutation in higher plants |
| A. | Red light |
| B. | Gamma rays |
| C. | Streptomycin |
| D. | Dichloromethyl area |
| Answer» C. Streptomycin | |
| 5506. |
Hereditary variations in plants have been produced by the use of [CPMT 1974, 75, 84; NCERT 1983] |
| A. | X-rays |
| B. | Gibberellic acid |
| C. | D.D.T. |
| D. | Auxins |
| Answer» B. Gibberellic acid | |
| 5507. |
Potato varieties produced for crops are |
| A. | Haploid (n) |
| B. | Diploid (2n) |
| C. | Triploid (3n) |
| D. | Tetraploid (4 n) |
| Answer» E. | |
| 5508. |
In polyploid breeding, number of chromosome set |
| A. | Increases |
| B. | Decreases |
| C. | There is no effect on the number of chromosome sets |
| D. | None of the above |
| Answer» B. Decreases | |
| 5509. |
A plant breeder wants to develop a disease resistant variety, what he should do first |
| A. | Hybridization |
| B. | Selection |
| C. | Production of crop |
| D. | Mutation |
| Answer» C. Production of crop | |
| 5510. |
In somatic hybridization technique, the material generally used is |
| A. | IAA |
| B. | 2, 4-D |
| C. | Polyethylene glycol |
| D. | Starch |
| Answer» D. Starch | |
| 5511. |
The term "pureline selection" was first time proposed by |
| A. | W. L. Johannsen |
| B. | Sinnot and Dunn |
| C. | Darlington |
| D. | Mather |
| Answer» B. Sinnot and Dunn | |
| 5512. |
Test tube baby means a baby born when [CBSE PMT 2003] |
| A. | It develops from a non-fertilized egg |
| B. | It developed in a test tube |
| C. | It is developed through tissue culture method |
| D. | The ovum is fertilised externally and thereafter implanted in the uterus |
| Answer» E. | |
| 5513. |
Removal of a segment surgically and ligation of cut ends of vas deferens is known as |
| A. | Tubectomy |
| B. | Vasectomy |
| C. | Gonadectomy |
| D. | Castration |
| Answer» C. Gonadectomy | |
| 5514. |
Action of vaginal diaphragm is |
| A. | Prevent the ova to come in the uterus |
| B. | Prevent the sperm to come in contact with ova |
| C. | Spermicidal |
| D. | Anti-implantational |
| Answer» C. Spermicidal | |
| 5515. |
Surgical removal of testes is known as [MP PMT 2001] |
| A. | Testectomy |
| B. | Gonadectomy |
| C. | Castration |
| D. | None |
| Answer» D. None | |
| 5516. |
What is the function of copper -T [CBSE PMT 2000; BHU 2002] |
| A. | Checks mutation |
| B. | Stops fertilization |
| C. | Stops zygote formation |
| D. | Stops oblituation of blastocoel |
| Answer» C. Stops zygote formation | |
| 5517. |
Action of contraceptive is |
| A. | Prevent the ovulation only |
| B. | Prevention of ovulation and fertilization only |
| C. | Prevention of ovulation, fertilization and implantation only |
| D. | Prevent the rapid passing of eggs in oviduct |
| Answer» C. Prevention of ovulation, fertilization and implantation only | |
| 5518. |
The method of sterilisation is [MH-CET 2002] |
| A. | Loop |
| B. | IUD |
| C. | Diaphragm |
| D. | Tubectomy |
| Answer» E. | |
| 5519. |
Progesterone pill helps in preventing pregnancy by not allowing. [BVP 2004] |
| A. | Ova formation |
| B. | Fertilization |
| C. | Implantation |
| D. | None of these |
| Answer» B. Fertilization | |
| 5520. |
Surgical removal of uterus is called [MH-CET 2002] |
| A. | Vasectomy |
| B. | Tubectomy |
| C. | Hysterectomy |
| D. | Anatomy |
| Answer» D. Anatomy | |
| 5521. |
Surrogate mother is used for [BVP 2000] |
| A. | Induction of lactation |
| B. | Artificially inseminated female |
| C. | Future mother with transplanted embryo. |
| D. | Artificial in semination |
| Answer» D. Artificial in semination | |
| 5522. |
Amniocentesis is used for determining [Kearla PMT 2004] |
| A. | Heart disease |
| B. | Brain disease |
| C. | Hereditary disease of the embryo |
| D. | All of the above |
| E. | None of these |
| Answer» E. None of these | |
| 5523. |
In amniocentesis, the fluid is taken from [Kerala CET 2002] |
| A. | Foetal blood |
| B. | Mother's blood |
| C. | Body fluid of mother |
| D. | Fluid surrounding foetus |
| Answer» E. | |
| 5524. |
Which of the following is a method for birth control [KCET 2001] |
| A. | IUDS |
| B. | GIFT |
| C. | HTF |
| D. | IVE-ET |
| Answer» B. GIFT | |
| 5525. |
Amniocentesis is a process to [CBSE PMT 1997] |
| A. | Determine any disease in heart |
| B. | Determine any hereditary disease in the embryo |
| C. | Know about the disease of brain |
| D. | All of these |
| Answer» C. Know about the disease of brain | |
| 5526. |
Action of jelly and cream is |
| A. | Spermicidal and immovalizing the sperms also |
| B. | Entangles the sperms |
| C. | Preventing the ova to be released |
| D. | Enables the sperms to reach towards ovum speedly |
| Answer» B. Entangles the sperms | |
| 5527. |
Foetal sex can be determined by examining cells from the amniotic fluid by looking for [CBSE PMT 1997] |
| A. | Barr bodies |
| B. | Autosomes |
| C. | Chiasmata |
| D. | Kinetochore |
| Answer» B. Autosomes | |
| 5528. |
Test tube babies are produced by |
| A. | Fertilising the egg removed from the body of the female with the husband's sperm outside in vitro culture. The zygote is transferred back |
| B. | External fertilisation and development in vitro culture till 32 cells stage before putting the embryo back into mother's uterus |
| C. | Complete development of a baby in vitro |
| D. | Development upto 32 cells stage and transplanting embryo in the uterus of a surrogate mother |
| Answer» C. Complete development of a baby in vitro | |
| 5529. |
Which one of the following is tested by the technique of amniocentesis [MP PMT 1997] |
| A. | Biochemical abnormalities in the foetus |
| B. | Errors of metabolism in the foetus |
| C. | Chromosomal abnormalities in the foetus |
| D. | All of the above |
| Answer» D. All of the above | |
| 5530. |
Daily oral contraceptive pill is |
| A. | Mala C |
| B. | Mala N and Mala D |
| C. | Mala A |
| D. | Mala D |
| Answer» C. Mala A | |
| 5531. |
The success of birth control programmes in controlling population growth is dependent on [MP PMT 1994] |
| A. | Use of contraceptives |
| B. | Tubectomy |
| C. | Vasectomy |
| D. | Acceptability of the above by the people |
| Answer» E. | |
| 5532. |
The mechanical measure of population control includes |
| A. | Condom only |
| B. | Diaphragm only |
| C. | IUD only |
| D. | All of the above |
| Answer» E. | |
| 5533. |
The chemical method of contraception includes |
| A. | Jellies only |
| B. | Creams and foams only |
| C. | Oral contraceptives only |
| D. | All of the above |
| Answer» E. | |
| 5534. |
Through amniocentesis foetal cells can be cultured and tested for detecting various diseases of foetus by [MP PMT 2002] |
| A. | Karyotype |
| B. | Enzyme production |
| C. | DNA analysis |
| D. | All of them |
| Answer» B. Enzyme production | |
| 5535. |
Proneness to mental illness is |
| A. | Extra affection to a child |
| B. | Quarrelsome family |
| C. | Poverty and lack of opportunities |
| D. | Heredity |
| Answer» E. | |
| 5536. |
Neurosis is characterised by |
| A. | Madness |
| B. | Prolonged emotional reaction to a stress |
| C. | Pain in the head |
| D. | Fits of convulsions |
| Answer» C. Pain in the head | |
| 5537. |
Psychosis is characterised by |
| A. | Loss of touch with reality |
| B. | Prolonged emotional reaction to a given a stress |
| C. | Anxiety, fear, sadness, vague aches and pains |
| D. | All the above |
| Answer» B. Prolonged emotional reaction to a given a stress | |
| 5538. |
People suffering from mental diseases in India number |
| A. | 1-1.5 million |
| B. | 6 - 7 million |
| C. | 10 - 15 million |
| D. | 60 - 70 million |
| Answer» B. 6 - 7 million | |
| 5539. |
The percentage of population suffering from mild mental disorders is |
| A. | 0.01 |
| B. | 0.05 |
| C. | 0.08 |
| D. | 0.1 |
| Answer» E. | |
| 5540. |
A thrust area in community health is |
| A. | Prevention and control of communicable diseases |
| B. | Prevention of blindness |
| C. | Maternal and child health |
| D. | School health services |
| Answer» C. Maternal and child health | |
| 5541. |
Sedatives and tranquillisers are often given for treating |
| A. | Epilepsy |
| B. | Psychosis |
| C. | Diffusion |
| D. | Anxiety |
| Answer» E. | |
| 5542. |
In Huntigton's chorea, limb movements are |
| A. | Rhythmic |
| B. | Arrhythmic |
| C. | Slow and hardly noticeable |
| D. | Absent |
| Answer» C. Slow and hardly noticeable | |
| 5543. |
Loss of choline acetyltransferase occurs in |
| A. | Schizophrenia |
| B. | Huntington?s disease |
| C. | Parkinson?s disease |
| D. | Alzheimer?s disease |
| Answer» E. | |
| 5544. |
The percentage of population suffering from serious mental illness is |
| A. | 0.01 |
| B. | 0.05 |
| C. | 0.08 |
| D. | 0.1 |
| Answer» B. 0.05 | |
| 5545. |
Melanin and lewy bodies occur in the neurons in case of |
| A. | Huntington's chorea |
| B. | Alzheimer's disease |
| C. | Paralysis agitans |
| D. | All the above |
| Answer» D. All the above | |
| 5546. |
Paralysis agitans is |
| A. | Epilepsy |
| B. | Parkinson?s disease |
| C. | Poliomyelitis |
| D. | Alzheimer?s disease |
| Answer» C. Poliomyelitis | |
| 5547. |
Which one is a mental disability |
| A. | Psychosis |
| B. | Neurosis |
| C. | Schizophrenia |
| D. | Epilepsy |
| Answer» E. | |
| 5548. |
Trembling, depression, fear and phobia are signs of |
| A. | Epilepsy |
| B. | Parkinson's disease |
| C. | Mental sickness |
| D. | Alzheimer's disease |
| Answer» D. Alzheimer's disease | |
| 5549. |
A person is mentally sick if one is |
| A. | Worried |
| B. | With moods fluctuating between depression and elation |
| C. | Excessively happy |
| D. | Extra talkative |
| Answer» C. Excessively happy | |
| 5550. |
A mentally sick person has |
| A. | Tendency to get upset with change in routine |
| B. | Feeling of friendship and trust for all |
| C. | Tendency to perform all the daily chores by oneself |
| D. | Tendency to solve all the problems without aid of others |
| Answer» B. Feeling of friendship and trust for all | |