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.
| 7401. |
Which one of the following produces AIDS [MP PMT 1994] |
| A. | HTLV-1 |
| B. | HTLV-2 |
| C. | EBV |
| D. | HIV |
| Answer» E. | |
| 7402. |
Which of the following, one element has not been proved to be essential in plants [CPMT 1980] |
| A. | Potassium |
| B. | Sodium |
| C. | Zinc |
| D. | Iron |
| Answer» C. Zinc | |
| 7403. |
'Second line of defence' is known as |
| A. | Antibodies |
| B. | WBC |
| C. | Liver |
| D. | Blood |
| Answer» C. Liver | |
| 7404. |
AIDS virus has [MP PMT 1994, 2003] |
| A. | Single stranded RNA |
| B. | Double stranded RNA |
| C. | Single stranded DNA |
| D. | Double stranded DNA |
| Answer» B. Double stranded RNA | |
| 7405. |
An antibody is [DPMT 1982; MP PMT 1996] |
| A. | Molecule that specifically inactivates an antigen |
| B. | WBC which invades bacteria |
| C. | Secretion of mammalian RBC |
| D. | Component of blood |
| Answer» B. WBC which invades bacteria | |
| 7406. |
Antibody formation and immunity production is done by a protein called globulin present in the [AIIMS 1993] |
| A. | Stroma of RBC |
| B. | Haemoglobin of RBC |
| C. | Plasma |
| D. | Blood platelets |
| Answer» D. Blood platelets | |
| 7407. |
Study of interaction of antigens and antibodies in the blood is [CMC Vellore 1993] |
| A. | Cryobiology |
| B. | Serology |
| C. | Haematology |
| D. | Angiology |
| Answer» C. Haematology | |
| 7408. |
After infection of germs immunity acquired is [DPMT 1986; AFMC 1986] |
| A. | Active immunity |
| B. | Passive immunity |
| C. | Natural immunity |
| D. | Both a and b |
| Answer» B. Passive immunity | |
| 7409. |
Which of the following ions of heavy metals participate in process of photosynthesis in higher plants [AMU 2005] |
| A. | Pb, Fe, Ni, Co |
| B. | Mg, Zn, Cu, Hg |
| C. | Mg, Mn, Co, Fe |
| D. | Mg, Cu, Mn, Fe |
| Answer» E. | |
| 7410. |
Essential elements for plants are [MP PMT 2005] |
| A. | Life cycle incomplete without it |
| B. | Non replaceable |
| C. | Metabolism (necessary for it) |
| D. | All above |
| Answer» E. | |
| 7411. |
Humoral immunity is due to [BHU 1985; Pb. PMT 2000; Orissa PMT 2002] |
| A. | B-lymphocytes . |
| B. | T-lymphocytes |
| C. | L-lymphocytes |
| D. | P-lymphocytes |
| Answer» B. T-lymphocytes | |
| 7412. |
The plants that grow on saline soils with high concentration of, \[MgS{{O}_{4}}\] and \[MgC{{l}_{2}}\] are called [Kerala CET 2003] |
| A. | Succulents |
| B. | Mesophytes |
| C. | Xerophytes |
| D. | Halophytes |
| Answer» E. | |
| 7413. |
After vaccination the body builds up [NCERT 1984] |
| A. | Toxins |
| B. | Lymph |
| C. | Antibodies |
| D. | Plasma |
| Answer» D. Plasma | |
| 7414. |
Non-essential element in plant is [NCERT 1978] |
| A. | Barium |
| B. | Magnesium |
| C. | Potassium |
| D. | Calcium |
| Answer» B. Magnesium | |
| 7415. |
'First line of defence' is known as |
| A. | Antibodies |
| B. | WBC |
| C. | Skin |
| D. | Liver |
| Answer» D. Liver | |
| 7416. |
Which of the following is used as green manure [BHU 2003] |
| A. | Azolla |
| B. | Azadiracta indica |
| C. | Crotolarea juncea |
| D. | Hevea brassiliansis |
| Answer» D. Hevea brassiliansis | |
| 7417. |
Which of the following is primarily concerned with protection against germs [CPMT 1984] |
| A. | Liver |
| B. | Lymphatic tissue |
| C. | Kidney |
| D. | Thyroid |
| Answer» C. Kidney | |
| 7418. |
Edward Jenner discovered [BHU 1982; KCET 2001] |
| A. | Vaccination against polio |
| B. | Immunization against polio |
| C. | Vaccination against small pox |
| D. | Immunization against small pox |
| Answer» D. Immunization against small pox | |
| 7419. |
Phytotron is a device [MHCET 2001] |
| A. | To grow plants in controlled conditions |
| B. | For fish culture |
| C. | For bee culture |
| D. | To grow silkmoth |
| Answer» B. For fish culture | |
| 7420. |
First triple antigen vaccination is given to the child at the age of |
| A. | One month |
| B. | Three month |
| C. | Four month |
| D. | One year |
| Answer» C. Four month | |
| 7421. |
Inorganic nutrients are present in the soil in the form of [MP PMT 1999] |
| A. | Molecules |
| B. | Atoms |
| C. | Electrically charged ions |
| D. | Parasite |
| Answer» D. Parasite | |
| 7422. |
Immune deficiency syndrome in human could develop as a consequence of [AIIMS 1987] |
| A. | AlDS virus infection |
| B. | Defective liver |
| C. | Defective thymus |
| D. | Weak immune system |
| Answer» B. Defective liver | |
| 7423. |
Cultivation by sand culture is also called [MP PMT 1999] |
| A. | Soilless cultivation |
| B. | Greenhouse effect |
| C. | Photorespiration |
| D. | None of these |
| Answer» B. Greenhouse effect | |
| 7424. |
When an organ is transplanted and is rejected by the body, the lymphocytes are produced by [BHU 1986, 88] |
| A. | T-cells |
| B. | B-cells |
| C. | Neutrophils |
| D. | None |
| Answer» B. B-cells | |
| 7425. |
Hydroponics is a [CPMT 1998] |
| A. | Soilless culture |
| B. | Water less Culture |
| C. | Airless culture |
| D. | None of these |
| Answer» B. Water less Culture | |
| 7426. |
AIDS is caused by [BHU 1986; MP PMT 1996] |
| A. | Blood cancer |
| B. | HTLV-III |
| C. | Bacterium |
| D. | TMV |
| Answer» C. Bacterium | |
| 7427. |
The immunity obtained after the body has recovered from a disease is [AFMC 1985; MP PMT 1996] |
| A. | Active immunity |
| B. | Passive immunity |
| C. | Both |
| D. | None of these |
| Answer» B. Passive immunity | |
| 7428. |
Which of the following element is not essential for plants [CBSE PMT 1996] |
| A. | Iron |
| B. | Zinc |
| C. | Potassium |
| D. | Iodine |
| Answer» E. | |
| 7429. |
The immune system which works against self is [MP PMT 2003] |
| A. | Self immune system |
| B. | Autoimmunity |
| C. | Specific immunity |
| D. | None of the above |
| Answer» C. Specific immunity | |
| 7430. |
The binding of antibodies to the antigens to produce a large insoluble complex is known as |
| A. | Antibody-antigen complex |
| B. | Agglutination |
| C. | Immunization |
| D. | Suppressor cell reaction |
| Answer» B. Agglutination | |
| 7431. |
Technique of growing plants without soil in nutrient solutions is called [KCET 1994; EAMCET 1995; AMU 2005] |
| A. | Parthenogenesis |
| B. | Hydroponics |
| C. | Aquaculture |
| D. | Tissue culture |
| Answer» C. Aquaculture | |
| 7432. |
In plant nutrition elements are classified as major or minor depending on |
| A. | Their availability in the soil |
| B. | Their relative production in the ash obtained after burning the plants |
| C. | The relative amounts required by the plants |
| D. | Their relative importance in plant growth |
| Answer» D. Their relative importance in plant growth | |
| 7433. |
'Pathogens' were discovered by |
| A. | Edward Jenner |
| B. | William Harvey |
| C. | Pasteur |
| D. | Robert Koch |
| Answer» E. | |
| 7434. |
The cells which suppress the entire immune system from its attack in the same body are known as |
| A. | Helper T-cells |
| B. | Killer B-cells |
| C. | Suppressor cells |
| D. | Suppressor T-cells |
| Answer» E. | |
| 7435. |
Which group of element is not essential for a normal plant [CPMT 1975, 77, 84; DPMT 1975, 84; AFMC 1984; JIPMER 1985] |
| A. | Potassium, calcium, magnesium |
| B. | Iron, zinc, manganese, boron |
| C. | Lead, nickel, iodine, sodium |
| D. | Magnesium, iron, molybdenum |
| Answer» D. Magnesium, iron, molybdenum | |
| 7436. |
T-cells are lymphocytes which produce the cellular immunity. These are developed from [MP PMT 2003] |
| A. | Thymus |
| B. | Liver |
| C. | Spleen |
| D. | Endothelium of blood vessels |
| Answer» B. Liver | |
| 7437. |
Which one of the following scientists used the nutrient culture solution in hydroponic cultures [MP PMT 1995] |
| A. | Sachs |
| B. | Webster |
| C. | Wallace |
| D. | Knop |
| Answer» E. | |
| 7438. |
If a dried leaf is taken in a crucible and heated to\[{{600}^{o}}C\]a gray coloured powder is left behind. It is referred to as |
| A. | Wilting percentage |
| B. | Protein content of the plant |
| C. | Plant ash |
| D. | Dry weight |
| Answer» D. Dry weight | |
| 7439. |
Lacking of B-cells and T-cells is known as |
| A. | Toxigenicity |
| B. | Autoimmunity |
| C. | Cytotoxins |
| D. | Immune deficiency |
| Answer» E. | |
| 7440. |
Aeroponic is also called as |
| A. | Soil less cultivation of plants |
| B. | Parthenocarpy |
| C. | Vivipary |
| D. | Phytotron |
| Answer» B. Parthenocarpy | |
| 7441. |
Lymphocytes secrete a protein which causes the dilation of blood vessels. The protein is |
| A. | Pyrogens |
| B. | Histamine |
| C. | Interferon |
| D. | None of the above |
| Answer» C. Interferon | |
| 7442. |
Minerals of soil are derived from |
| A. | Rocks |
| B. | Clay |
| C. | Sub soil |
| D. | Organisms |
| Answer» B. Clay | |
| 7443. |
Which one is not an essential element in plants [MP PMT 1992] |
| A. | Iron |
| B. | Boron |
| C. | Sulphur |
| D. | Cadmium |
| Answer» E. | |
| 7444. |
In hydrophytic plants, water and salts are absorbed by [MP PMT 1992] |
| A. | Roots |
| B. | Leaves |
| C. | Stem |
| D. | Outer layer of plants |
| Answer» E. | |
| 7445. |
Uncontrolled and undifferentiated mass of cells is known as |
| A. | Tumour |
| B. | Overgrowth |
| C. | Cancer |
| D. | Hypertrophy |
| Answer» B. Overgrowth | |
| 7446. |
Agents which produce allergy is known as |
| A. | Antigens |
| B. | Allergens |
| C. | Oncogens |
| D. | None of the above |
| Answer» C. Oncogens | |
| 7447. |
After vaccination, the dose given for the immunization is known as |
| A. | Essential dose |
| B. | Deficient dose |
| C. | Booster dose |
| D. | Resistant dose |
| Answer» D. Resistant dose | |
| 7448. |
Oily seeds contain |
| A. | Porphyrin |
| B. | Chlorine |
| C. | Lecithin |
| D. | Arginine |
| Answer» D. Arginine | |
| 7449. |
The function of vaccine is the production and storage of |
| A. | Antigens |
| B. | Immune bodies |
| C. | Immune reactions |
| D. | Antibodies |
| Answer» E. | |
| 7450. |
Which of the following elements is not required by plants for their normal healthy growth [CPMT 1975, 77, 84] |
| A. | Calcium |
| B. | Magnesium |
| C. | Lead |
| D. | Iron |
| Answer» C. Lead | |