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.
| 10151. |
A species selected for energy transplantation must not be |
| A. | Slow growing |
| B. | Pest resistant |
| C. | Hardy |
| D. | Local |
| Answer» B. Pest resistant | |
| 10152. |
Which of the following is not a type of laser |
| A. | Hydrogen laser |
| B. | \[C{{O}_{2}}\]laser |
| C. | Neon laser |
| D. | Argon laser |
| Answer» B. \[C{{O}_{2}}\]laser | |
| 10153. |
'Bacillary dysentery' is caused by [AIIMS 1988] |
| A. | Salmonella |
| B. | Shigella |
| C. | Proteus |
| D. | Entamoeba |
| Answer» C. Proteus | |
| 10154. |
When the children without T-cells and B-cells are kept in germ free isolation suits, then the disease is |
| A. | Immunity less hybrids |
| B. | Anti-antigens immune system |
| C. | SCID (severed combined immuno deficiency) |
| D. | None of these |
| Answer» D. None of these | |
| 10155. |
IR-36 was developed through breeding of |
| A. | Six rice varieties and Oryza nivara |
| B. | 13 rice varieties and Oryza nivara |
| C. | Oryza sativa and O. indica |
| D. | Oryza indica and O. nivara |
| Answer» C. Oryza sativa and O. indica | |
| 10156. |
Nitrogen content of urea is [CPMT 1988] |
| A. | 0.26 |
| B. | 0.56 |
| C. | 0.46 |
| D. | 0.36 |
| Answer» D. 0.36 | |
| 10157. |
First pesticide used by man is |
| A. | Rotenone |
| B. | Pyrethrin |
| C. | Pheromone |
| D. | Thuriocide |
| Answer» B. Pyrethrin | |
| 10158. |
Gaddi breed of goat is distributed in |
| A. | Punjab |
| B. | Rajasthan |
| C. | Himachal Pradesh |
| D. | Kerala |
| Answer» D. Kerala | |
| 10159. |
Which of the plant yield yellow dye and also used as medicine |
| A. | Curcuma domestica |
| B. | Butea monosperma |
| C. | Both a and b |
| D. | None of the above |
| Answer» B. Butea monosperma | |
| 10160. |
"Jhum" is a |
| A. | Folk dance |
| B. | Name of a valley |
| C. | Tribe |
| D. | Type of cultivation |
| Answer» E. | |
| 10161. |
Arboretum is |
| A. | A forest patch |
| B. | A piece of social forestry |
| C. | Botanical garden with trees and shrubs |
| D. | Botanical garden with cacti and herbs |
| Answer» D. Botanical garden with cacti and herbs | |
| 10162. |
Jhoom cultivation refers to [Pb. PMT 1998] |
| A. | Cultivation of Jamun trees |
| B. | Cultivation of medicinal plants by tribes |
| C. | Tribal method of shifting cultivation |
| D. | Cultivation of terraces |
| Answer» D. Cultivation of terraces | |
| 10163. |
Exposure of an organism to UV system causes |
| A. | Photodynamic action |
| B. | Formation of thymidine |
| C. | Splitting of H-bonds of DNA |
| D. | Splitting of phosphodiester bonds |
| Answer» D. Splitting of phosphodiester bonds | |
| 10164. |
Alpine forests of Himalayas have [MP PMT 1991] |
| A. | Tall evergreen coniferous trees |
| B. | Tall broad-leaved evergreen trees |
| C. | Tall broad-leaved deciduous trees |
| D. | Dwarf shrubby plants |
| Answer» E. | |
| 10165. |
Ecological succession on sand is [CPMT 1985; CET Chd. 2000, 02] |
| A. | Psammosere |
| B. | Xerosere |
| C. | Halosere |
| D. | Hydrosere |
| Answer» B. Xerosere | |
| 10166. |
Study of relationship between communities and environment is called [CPMT 1999; JIPMER 2001] |
| A. | Ethnology |
| B. | Ecology |
| C. | Synecology |
| D. | Autecology |
| Answer» D. Autecology | |
| 10167. |
Which of the following cells are present in mammalian testes and help to nourish sperms [AFMC 1997; KCET 2001; CPMT 2003; Kerala CET 2003] |
| A. | Leydig cells |
| B. | Oxyntic cells |
| C. | Interstitial cells |
| D. | Sertoli cells |
| Answer» E. | |
| 10168. |
Match the table (1) Maheshwari (I) Pre-sowing treatment of seeds of Phaseolus aureus with IAA (2) Das (II) Avena curvature test (3) Went (III) Work on seedless fruit in cucumber (4) Chakravarty (IV) Successful culture of a ovule of Papaver using IAA and kinetin |
| A. | A - IV B - III C - II D - I |
| B. | A - I B - II C - III D - IV |
| C. | A - II B - III C - IV D - I |
| D. | A - III B - I C - IV D - II |
| Answer» B. A - I B - II C - III D - IV | |
| 10169. |
In angiosperms, the following events occur during megasporogenesis and megagametogenesis (i) Differentiation of megaspore mother cells (ii) Meiosis of the megaspore mother cell (iii) Formation of a linear tetrad (iv) Mitotic division of the functional megaspore (v) Degeneration of 3 megaspores (vi) Formation of embryo sac (vii) Fusion of polar nuclei The correct sequence is |
| A. | v, i, ii, vi, vii, iii, iv |
| B. | iv, iii, vii, vi, ii, i, v |
| C. | v, i, ii, vii, vi, iv, iii |
| D. | v, i, ii, vi, vii, iv, iii |
| Answer» D. v, i, ii, vi, vii, iv, iii | |
| 10170. |
In mature oocytes cortical granules are formed on which side of plasmalemma |
| A. | Outer |
| B. | Inner |
| C. | Upper |
| D. | All the sides |
| Answer» C. Upper | |
| 10171. |
Possibilities of presence of coal in a particular area can be guessed by the study of [MP PMT 1998; BHU 2002] |
| A. | Economic botany |
| B. | Ecology |
| C. | Pollen grains analysis |
| D. | Mining the area |
| Answer» D. Mining the area | |
| 10172. |
The type of blastula formed in birds is [MP PMT 1994; RPMT 1999] |
| A. | Teloblastula |
| B. | Holoblastula |
| C. | Coeloblastula |
| D. | Discoblastula |
| Answer» E. | |
| 10173. |
The plant whose seeds yield safflower and the petals an orange dye is [MP PMT 1998] |
| A. | Calendula officinalis |
| B. | Helianthus annus |
| C. | Rauwolfia serpentina |
| D. | Carthamus tinctorius |
| Answer» E. | |
| 10174. |
The solid mass of cells formed at the end of cleavage of mammalian egg is [MP PMT 1994] |
| A. | Blastula |
| B. | Morula |
| C. | Blastocyst |
| D. | Blastodisc |
| Answer» C. Blastocyst | |
| 10175. |
Reserpine Ephedrine Ajmaline Colchicine Alkaloid pair which is completely unrelated with Rouwolfia is [RPMT 1997] |
| A. | A, B |
| B. | B, C |
| C. | C, D |
| D. | B, D |
| Answer» E. | |
| 10176. |
What is true about cells during cleavage [CBSE PMT 1991] |
| A. | They move from animal pole to vegetal pole |
| B. | They do not grow in size |
| C. | They consume little |
| D. | Their divisions resemble ordinary mitosis |
| Answer» C. They consume little | |
| 10177. |
A disease caused by eating fish contaminated by industrial waste containing mercury compounds is known as [CBSE PMT 1994; Kerela CET 2003] |
| A. | Bright's disease |
| B. | Minamata disease |
| C. | Hashimoto disease |
| D. | Osteosclerosis |
| Answer» C. Hashimoto disease | |
| 10178. |
The correct representation of the alkaloids obtained from Opium is [RPMT 1997] |
| A. | Morphine > Codeine > Thebaine |
| B. | Morphine < Codeine < Thebaine |
| C. | Morphine > Codeine < Thebaine |
| D. | Morphine > Codeine < Nicotine |
| Answer» B. Morphine < Codeine < Thebaine | |
| 10179. |
?Meningitis' is a disease of |
| A. | Respiratory system |
| B. | Digestive system |
| C. | Nervous system |
| D. | Excretory system |
| Answer» D. Excretory system | |
| 10180. |
In a mesolecithal egg, one would expect [DPMT 1976] |
| A. | Meroblastic cleavage |
| B. | Unequal holoblastic cleavage |
| C. | Equal holoblastic cleavage |
| D. | None of these |
| Answer» C. Equal holoblastic cleavage | |
| 10181. |
Which of the following is the new world spice that has become an essential part of Indian cuisine [CBSE PMT 1995] |
| A. | Red pepper |
| B. | Cardamom |
| C. | Ginger |
| D. | Black pepper |
| Answer» B. Cardamom | |
| 10182. |
Infectious or communicable diseases |
| A. | Cannot be communicated from one man to another |
| B. | Can develop infection from one man to another |
| C. | Can spread without any intermediate host |
| D. | Can spread with some intermediate host |
| Answer» C. Can spread without any intermediate host | |
| 10183. |
The fluid filled in the blastocoel cavity of blastula is [CPMT 1988; AIIMS 1993] |
| A. | Acidic |
| B. | Albuminous |
| C. | Saline |
| D. | Pure water |
| Answer» C. Saline | |
| 10184. |
From which of the following family, drug Atropine is obtained which is used for eye trouble [CPMT 1995] |
| A. | Solanaceae |
| B. | Liliaceae |
| C. | Ranunculaceae |
| D. | Graminae |
| Answer» B. Liliaceae | |
| 10185. |
Embryologists can presume the future organs of the embryo in [CPMT 1980; CBSE PMT 1993] |
| A. | Blastula |
| B. | Early gastrula |
| C. | Morula |
| D. | Post gastrula |
| Answer» B. Early gastrula | |
| 10186. |
Match the names of disease listed under column I with meanings given under column II, choose the answer which gives the correct combination of the alphabets of the columns. [KCET 2004] Column I (Name of disease) Column II (Meanings) A. Jaundice p Allergic inflammation of nose B. Stenosis q Loss of motor functions C. Rhinitis r Heart valve defect D. Paralysis s Increase in bile pigments in the blood t Septal defect of heart |
| A. | A = q; B = t; C = r; D = p |
| B. | A = s; B= p; C = q; D = r |
| C. | A = s; B = r; C = p; D = q |
| D. | A = s; B = t; C = p; D = q |
| Answer» D. A = s; B = t; C = p; D = q | |
| 10187. |
Which of the following pair of plants gives oil and fibre both [CBSE PMT 1992] |
| A. | Gossypium and Brassica |
| B. | Brassica, Linum, Usitatissimum |
| C. | Cotton, Flax |
| D. | Sunflower and Brassica |
| Answer» D. Sunflower and Brassica | |
| 10188. |
Holoblastic cleavage may occur in eggs which are [AIIMS 1987; MP PMT 1994] |
| A. | Oligolecithal only |
| B. | Mesolecithal only |
| C. | Macrolecithal only |
| D. | Oligolecithal and mesolecithal both |
| Answer» E. | |
| 10189. |
In those plants whose pulp is of economical importance, they are generally propagated by vegetative means because [CBSE PMT 1991] |
| A. | It is cheaper |
| B. | It is more economical |
| C. | The pulp quality remains same |
| D. | The pulp quality becomes better |
| Answer» D. The pulp quality becomes better | |
| 10190. |
Swollen face, mental dullness, dry skin and loss of appetite is the characteristics of |
| A. | Goitre |
| B. | Acromeagly |
| C. | Tetany |
| D. | Myxoedema |
| Answer» E. | |
| 10191. |
Which distinguishes a morula from a blastula [MP PMT 1992] |
| A. | Presence of more yolk |
| B. | Absence of yolk |
| C. | Presence of a cavity |
| D. | Absence of a cavity |
| Answer» E. | |
| 10192. |
Antibiotics inhibit the growth of or destroy [Bihar MDAT 1988] |
| A. | Bacteria and fungi |
| B. | Bacteria and viruses |
| C. | Bacteria, algae and viruses |
| D. | Bacteria, fungi and viruses |
| Answer» E. | |
| 10193. |
The electrode of a pacemaker comprises a fine metallic spring ensheathed in a thin layer of |
| A. | Plastic |
| B. | Copper |
| C. | Silver |
| D. | Granite |
| Answer» B. Copper | |
| 10194. |
Recognition and digestion by the phagocytes due to the coated surface of antigens by the antibodies is known as |
| A. | Opsonization |
| B. | Immunization |
| C. | T-cells immunization reaction |
| D. | B-cells immunization reaction |
| Answer» B. Immunization | |
| 10195. |
Gene banks are part of |
| A. | Ex situ conservation |
| B. | In situ conservation |
| C. | Both ex situ and in situ conservation |
| D. | Tribal diet |
| Answer» B. In situ conservation | |
| 10196. |
Most active nitrogen fixing blue-green alga of rice fields is |
| A. | Anabaena azollae |
| B. | Aulosira fertilissima |
| C. | Cylindrospermum licheniforme |
| D. | Nostoc cycadacearum |
| Answer» C. Cylindrospermum licheniforme | |
| 10197. |
Foot- and-mouth disease in cattle is caused by [JIPMER 1994] |
| A. | Pseudomonas |
| B. | Salmonella |
| C. | Virus |
| D. | Anabaena |
| Answer» D. Anabaena | |
| 10198. |
What is the effect of destruction of wild life [KCET 2000] |
| A. | Flood |
| B. | Soil erosion |
| C. | Green house effect |
| D. | Gene for disease resistance cannot be obtained |
| Answer» E. | |
| 10199. |
Why maize is not mentioned in any of the ancient literature prior to sixteenth century ? Because |
| A. | Maize got evolved after 16th century |
| B. | Maize was not liked by ancient people |
| C. | Maize was a wild plant growing in forests |
| D. | Maize was introduced from new world after its discovery in 1942 |
| Answer» E. | |
| 10200. |
If we remove half of the forest cover of earth, the crisis that will occur [CBSE PMT 1996] |
| A. | Many species would become extinct |
| B. | Population, pollution and ecological imbalance will rise |
| C. | Energy crisis will commence |
| D. | The remaining forest will correct the imbalance |
| Answer» C. Energy crisis will commence | |