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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.
| 10401. |
The artificial drug used as a sedative and to reduce the anxiety. It also induces the sleep. The drug is |
| A. | LSD |
| B. | Barbiturates |
| C. | Heroin |
| D. | Caffeine |
| Answer» B. Barbiturates | |
| 10402. |
'Population is an auto-regulated system'' was said by |
| A. | Malthus |
| B. | Edward |
| C. | Lamarck |
| D. | Darwin |
| Answer» C. Lamarck | |
| 10403. |
In persons addicted to alcohol, the liver gets damaged because it [AIIMS 1985; MP PMT 1996] |
| A. | Has to detoxify the alcohol |
| B. | Stores excess of glycogen |
| C. | Is over stimulated to secrete more bile |
| D. | Accumulates excess of fats |
| Answer» C. Is over stimulated to secrete more bile | |
| 10404. |
When births are equal to deaths. It is called [MP PMT 1990; AFMC 2002] |
| A. | Plateau stage |
| B. | Exponential growth stage |
| C. | Early growth stage |
| D. | Acceleration stage |
| Answer» B. Exponential growth stage | |
| 10405. |
Tobacco inhalation causes |
| A. | Stimulation of nerve induction and cough depressant |
| B. | Heart diseases and low blood pressure |
| C. | Inhibits the oxygen carrying capacity and increases the more transportation of \[C{{O}_{2}}\] |
| D. | Nerve stimulation, heart diseases, decrease in \[{{O}_{2}}\] carrying capacity, lung cancer, chronic bronchitis etc. |
| Answer» E. | |
| 10406. |
The percentage ratio of natality over mortality is called [MP PMT 1997, 2000] |
| A. | Vital index |
| B. | Population density |
| C. | Total count of individuals |
| D. | Fertility rate |
| Answer» B. Population density | |
| 10407. |
Amniocentesis is the withdrawal of amniotic fluid in [MP PMT 2000] |
| A. | Menopause |
| B. | Lactation |
| C. | Gestation |
| D. | Pregnancy |
| Answer» E. | |
| 10408. |
Closely related, morphologically similar sympatric populations, but reproductively isolated, are designated as [MP PMT 1993, CBSE PMT 1995] |
| A. | Clones |
| B. | Demes |
| C. | Clines |
| D. | Sibling species |
| Answer» E. | |
| 10409. |
Continuous use of alcohol causes |
| A. | Gastritis |
| B. | Neuritis |
| C. | Swelling of liver |
| D. | All the above |
| Answer» E. | |
| 10410. |
Legally acceptable term of abortion is |
| A. | MTP |
| B. | MMTP |
| C. | MTTP |
| D. | None |
| Answer» B. MMTP | |
| 10411. |
To which population category India belongs [MP PMT 2001] |
| A. | High birth rate and high mortality rate |
| B. | Low birth rate and low mortality rate |
| C. | Low birth rate and high mortality rate |
| D. | High birth rate and low mortality rate |
| Answer» E. | |
| 10412. |
Generally there was population growth rate increase in India, but in which of the following year there was decrease in population growth rate |
| A. | 1921 |
| B. | 1941 |
| C. | 1951 |
| D. | 1971 |
| Answer» B. 1941 | |
| 10413. |
The decreasing sequence of most populated first three cities of M.P. according to 1991 census are |
| A. | Indore, Jabalpur, Bhopal |
| B. | Indore, Bhopal, Jabalpur |
| C. | Bhopal, Indore, Jabalpur |
| D. | Indore, Jabalpur, Gwalior |
| Answer» C. Bhopal, Indore, Jabalpur | |
| 10414. |
When a person dies after stung by a bee following by the administration of penicillin, death may be due to [Kerala PMT 2004] |
| A. | Prophylactic shock |
| B. | Anaphylactic shock |
| C. | Autouimmunity |
| D. | Sedation |
| E. | None of these |
| Answer» C. Autouimmunity | |
| 10415. |
Which one of the following depresses brain activity and produces feelings of calmness, relaxation and drowsiness [CBSE PMT 2005] |
| A. | Valium |
| B. | Morphine |
| C. | Hashish |
| D. | Amphetamines |
| Answer» B. Morphine | |
| 10416. |
According to 1991 census, the number of females per 1000 males is [MP PMT 2001] |
| A. | 941 |
| B. | 932 |
| C. | 936 |
| D. | 929 |
| Answer» B. 932 | |
| 10417. |
According to 1991 census, the minimum percent of population increase is in the state |
| A. | Kerala |
| B. | Tamilnadu |
| C. | West Bengal |
| D. | Madhya Pradesh |
| Answer» B. Tamilnadu | |
| 10418. |
Which one of the following is a stimulant [Kerala PMT 2004] |
| A. | LSD |
| B. | Cocaine |
| C. | Opium |
| D. | Heroin |
| Answer» C. Opium | |
| 10419. |
Most literate state of India is [MP PMT 2001] |
| A. | Kerala |
| B. | Goa |
| C. | U.P. |
| D. | Sikkim |
| Answer» B. Goa | |
| 10420. |
The synthetic drug structurally similar to adrenalin are [Kerala PMT 2004] |
| A. | Amphetamines |
| B. | Barbiturates |
| C. | Hallucinogens |
| D. | Nicotinic derivatives |
| E. | Analgesics |
| Answer» B. Barbiturates | |
| 10421. |
The population density is highest in [MP PMT 1989, 92] |
| A. | USA |
| B. | India |
| C. | China |
| D. | Japan |
| Answer» E. | |
| 10422. |
An additional risk of drug addiction, especially of heroin is |
| A. | Permanent damage of brain |
| B. | Contracting AIDS |
| C. | Pulmonary disorder |
| D. | Loss of sight |
| Answer» D. Loss of sight | |
| 10423. |
The term population explosion means |
| A. | Migration of human population from one place to another |
| B. | Tremendous rate of growth in human population |
| C. | a and b both |
| D. | Neither a nor b |
| Answer» C. a and b both | |
| 10424. |
The final stage of drug addiction is represented by the need of drug for the body. This is known as |
| A. | Drug dependency |
| B. | Drug immunity |
| C. | Drug resistancy |
| D. | None of these |
| Answer» B. Drug immunity | |
| 10425. |
A brewery subjects about 1 tonne of purified jaggary to fermentation under ideal conditions. If it has produced 0.3 tonne of alcohol, what quantity of\[C{{O}_{2}}\]it has expelled to its atmosphere |
| A. | 0.3 tonne |
| B. | 0.7 tonne |
| C. | 1 tonne |
| D. | 0 tonne |
| Answer» B. 0.7 tonne | |
| 10426. |
Kangaroo is a native of [AFMC 1982; BHU 1979; CPMT 1982] |
| A. | Africa |
| B. | Australia |
| C. | Austria |
| D. | Mexico |
| Answer» C. Austria | |
| 10427. |
For developing resistant variety of wheat in India, how many maxican dwarf varieties were brought in 1965 |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |
| 10428. |
Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Haemophilia is a congenital disease. Reason : Haemophilia is caused by a gene mutation during one's own life span. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» D. If both the assertion and reason are false | |
| 10429. |
Which of the following crop is most important for human [CPMT 1996] |
| A. | Barley |
| B. | Wheat |
| C. | Cotton |
| D. | Millet |
| Answer» C. Cotton | |
| 10430. |
Ecological hot spots present in India are |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» C. Three | |
| 10431. |
Which of the following process shows light deacidification and night acidification |
| A. | CAM cycle |
| B. | \[{{C}_{3}}\]cycle |
| C. | \[{{C}_{4}}\]cycle |
| D. | All the above |
| Answer» B. \[{{C}_{3}}\]cycle | |
| 10432. |
Triticum spelta is cultivated in |
| A. | USA and Spain |
| B. | India and Russia |
| C. | All over the world |
| D. | Nowhere in the world |
| Answer» B. India and Russia | |
| 10433. |
The simplest green plants are [DPMT 1981; JIPMER 1983] |
| A. | Yeast |
| B. | Bacteria |
| C. | Algae |
| D. | Lactobacillus |
| Answer» D. Lactobacillus | |
| 10434. |
Read the assertion and reason carefully: Assertion : Isobilateral leaves are amphistomatic. Reason : Mesophyll is not differentiated into palisade and spongy. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» C. If the assertion is true but the reason is false | |
| 10435. |
Glisson's capsule is a delicate connective tissue capsule covering the [KCET 1994; MP PMT 2002] |
| A. | Spleen |
| B. | Liver |
| C. | Kidney |
| D. | Gall bladder |
| Answer» C. Kidney | |
| 10436. |
In\[{{C}_{4}}\]plants mesophyll cells are connected with bundle sheath cells with the help of |
| A. | Cytoplasmic connections |
| B. | Special connecting tissues |
| C. | Plasmodesmata |
| D. | Connection is not essential |
| Answer» D. Connection is not essential | |
| 10437. |
The circulation or cycling of elements in an ecosystem is known as [MP PMT 1987; CBSE PMT 1999] |
| A. | Geological cycling |
| B. | Geo-chemical cycling |
| C. | Bio-geochemical cycling |
| D. | Nutrient cycling |
| Answer» E. | |
| 10438. |
Assertion : Pinus is heterosporous. Reason : Microspore and megaspore are present in them. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion | |
| 10439. |
Interferons are [CBSE PMT 1996] |
| A. | Antiviral proteins |
| B. | Complex proteins |
| C. | Anti-bacterial proteins |
| D. | Anti-cancer proteins |
| Answer» B. Complex proteins | |
| 10440. |
Groundnut belongs to the family |
| A. | Fabaceae |
| B. | Brassicaceae |
| C. | Gramineae |
| D. | Malvaceae |
| Answer» B. Brassicaceae | |
| 10441. |
Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : A regenerated tail of wall lizard shows heteromorphosis. Reason : Newly formed tail is different from original tail in being without vertebrae. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion | |
| 10442. |
Assertion : Regulator and operator genes are not associated with constitutive genes. Reason : Constitutive genes need not be repressed. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion | |
| 10443. |
Chromosome complement with 2n-1 is called as [BHU 2005] |
| A. | Monosomy |
| B. | Nullosomy |
| C. | Trisomy |
| D. | Tetrasomy |
| Answer» B. Nullosomy | |
| 10444. |
Some reptiles show autotomy which means [CPMT 1984] |
| A. | Voluntary breaking tail to confuse enemy |
| B. | Signal for charging |
| C. | Signal for courtship |
| D. | State of starvation prior to death |
| Answer» B. Signal for charging | |
| 10445. |
In water receiving regions, what does forest regulate [MP PMT 1989] |
| A. | Hydrological cycle |
| B. | Carbon cycle |
| C. | Nitrogen cycle |
| D. | Calcium cycle |
| Answer» B. Carbon cycle | |
| 10446. |
A pure breeding pea plant with the dominant phenotype of character A and recessive phenotype of character B was crossed with another pure breeding plant with the recessive phenotype of A and dominant phenotype of character B. A offspring of this cross was crossed with a homozygous recessive for both the characters - A and B. The following results are obtained 22 were phenotypically dominant for A and recessive for B. 4 were phenotypically dominant for both A and B. 4 were phenotypically recessive for both A and B. 24 were phenotypically recessive for A and dominant for B. These results show that |
| A. | Genes A and B are linked |
| B. | Independent segregation of genes A and B |
| C. | Mendelian dihybrid inheritance |
| D. | Polygenic inheritance |
| Answer» B. Independent segregation of genes A and B | |
| 10447. |
DNA elements, which can switch their position, are called [CBSE PMT 1998; MP PMT 2004] |
| A. | Exons |
| B. | Introns |
| C. | Cistrons |
| D. | Transposons/Jumping genes |
| Answer» E. | |
| 10448. |
Yeast is used in the production of [BHU 1983; AFMC 1984; MP PMT 1990; CBSE PMT 1998] |
| A. | Ethyl alcohol |
| B. | Acetic acid |
| C. | Cheese |
| D. | Curd3 |
| Answer» B. Acetic acid | |
| 10449. |
The chemical present in Temik is |
| A. | Malathion |
| B. | Propoxur |
| C. | Carbofuran |
| D. | Aldicarb |
| Answer» E. | |
| 10450. |
In the Chlorophyta, the reserve food of protein surrounded by starch, form a compact body termed [JIPMER 1993] |
| A. | Paramylum |
| B. | Pyrenoid |
| C. | Volutin |
| D. | Eye spot |
| Answer» C. Volutin | |