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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.
| 2151. |
Identify the figures 1, 2 and 3 and choose the correct option. |
| A. | 1 - Male Ascaris, 2 - Hirudinaria (leech), 3 - Nereis |
| B. | 1 - Female Ascaris, 2 - Nereis, 3 - Hirudinaria (leech) |
| C. | 1 - Female Ascaris, 2 - Hirudinaria (leech), 3 - Nereis |
| D. | 1 - Male Ascaris, 2 - Nereis, 3 - Hirudinaria (leech) |
| Answer» C. 1 - Female Ascaris, 2 - Hirudinaria (leech), 3 - Nereis | |
| 2152. |
In Hydra, egestion of undigested food and excretion of nitrogeneous wastes respectively occur through: |
| A. | mouth and tentacles. |
| B. | mouth and body wall. |
| C. | mouth and mouth. |
| D. | body wall and body wall. |
| Answer» C. mouth and mouth. | |
| 2153. |
"Portuguese man of war" is: |
| A. | soldier of world war |
| B. | Portuguese soldier |
| C. | a sponge |
| D. | a polymorphic, colonial, colenterata |
| Answer» E. | |
| 2154. |
Which of the following is a living fossil? |
| A. | Latimeria |
| B. | Lamprey |
| C. | Shark |
| D. | Eel |
| Answer» B. Lamprey | |
| 2155. |
Which of the following characteristics is correct for reptilia? |
| A. | Body covered with dry and comified skin, scales over the body are epidermal, they do not have external ears. |
| B. | Body is covered with moist skin and is devoid of scales, the ear is represented by a tympanum, alimentary canal, |
| C. | urinary and reproductive tracts, open into a common cloaca. Fresh water animals with bony endoskeleton and air-bladder regulate buoyancy. |
| D. | Marine animals with cartilaginous endoskeleton and body is covered with placoid scales. |
| Answer» B. Body is covered with moist skin and is devoid of scales, the ear is represented by a tympanum, alimentary canal, | |
| 2156. |
Which of the following is deuterostomate and enterocoelomate invertebrate? |
| A. | Pila |
| B. | Ascaris |
| C. | Aphrodite |
| D. | Asterias |
| Answer» E. | |
| 2157. |
Choanocytes perform: |
| A. | Nutrition |
| B. | Excretion |
| C. | Reproduction |
| D. | Secretionofspicules |
| Answer» B. Excretion | |
| 2158. |
The given figures 1, 2 and 3 represent types of fluid filled body cavity (coelom) found in many types of animals. Identify the correct option' showing the type of coelom. |
| A. | 1-Pseudocoelomate; 2-Coelomate; 3-Acoelomate |
| B. | 1-Coelomate; 2-Pseudocoelomate; 3- Acoelomate |
| C. | 1-Coelomate; 2-Acoelomate; 3- Pseudocoelomate |
| D. | 1-Coelomate; 2-Acoelomate; 3- Eucoelomate |
| Answer» C. 1-Coelomate; 2-Acoelomate; 3- Pseudocoelomate | |
| 2159. |
Which of the following is not the common fundamental feature for animal classification? |
| A. | Germinal layers |
| B. | Pathway of water transport |
| C. | Pattern of organisation of cells |
| D. | Serial repetition of the segments |
| Answer» C. Pattern of organisation of cells | |
| 2160. |
In which one of the following the genus name, its characters and phylum are incorrectly matched? |
| A. | Genus name - Pila Two characters - (i) Body segmented; Mouth with radula Phylum -Mollusca |
| B. | Genus name - Asierias Two characters - (ii) Spiny skinned; Water vascular system Phylum -Echinodermata |
| C. | Genus name - Sycon Two characters - (iii) Pore bearing; Canal system Phylum -Porifera |
| D. | Genus name - Periplaneta Two characters - (iv) Jointed appendages; Chitinous exoskeleton Phylum - Arthropoda |
| Answer» B. Genus name - Asierias Two characters - (ii) Spiny skinned; Water vascular system Phylum -Echinodermata | |
| 2161. |
Which character is not same in aves and mammals? |
| A. | Single systemic arch |
| B. | Metanephric kidney |
| C. | Seven cervical vertebrae |
| D. | Homoiotherms |
| Answer» D. Homoiotherms | |
| 2162. |
Read the following statements and answer the question. (i) They are exclusively marine, radially symmetrical, diploblastic organisms with tissue level of organisation. (ii) Body bears eight external rows of ciliated comb plates, which help in locomotion. (iii) Digestion is both extracellular and intracellular. (iv) Reproduction takes place only by sexual means. Which of the following phylum is being described by above statements? |
| A. | Platyhelminthes |
| B. | Arthropoda |
| C. | Mollusca |
| D. | Ctenophora |
| Answer» E. | |
| 2163. |
An animal having diploblastic a coelomic condition is: |
| A. | Ascaris |
| B. | sea anemone |
| C. | Planaria |
| D. | Periplaneta |
| Answer» C. Planaria | |
| 2164. |
Which group of vertebrates comprises the highest number of endangered species? |
| A. | Mammals |
| B. | Fishes |
| C. | Reptiles |
| D. | Birds |
| Answer» B. Fishes | |
| 2165. |
What is the true for mammalia? |
| A. | Platypus is oviparous. |
| B. | Bats have feather. |
| C. | Elephant is an ovo-viviparous. |
| D. | Diaphragm is absent. |
| Answer» B. Bats have feather. | |
| 2166. |
Identify the characteristic feature marked as 1, 2, 3 and 4 in the given figure. |
| A. | 1-Notochord; 2-Post-anal part; 3-Gill slits; 4-Nerve cord |
| B. | 1-Nerve cord; 2-Notochord; 3-Post-analpart; 4-Gill slits |
| C. | 1-Notochord; 2-Nerve cord; 3-Gill slits; 4-Post-anal part |
| D. | 1-Gill slits; 2-Post-anal part; 3-Nerve cord; 4-Notochord |
| Answer» C. 1-Notochord; 2-Nerve cord; 3-Gill slits; 4-Post-anal part | |
| 2167. |
Elephantiasis is caused by: |
| A. | Trichinella |
| B. | Desmoscolex |
| C. | Enterobius |
| D. | Wuchereria |
| Answer» E. | |
| 2168. |
Medusa of Obelia is: |
| A. | Carnivorous |
| B. | Herbivorous |
| C. | Detritus feeder |
| D. | Omnivorous |
| Answer» B. Herbivorous | |
| 2169. |
Match column-I (Characteristic feature) with column-II (Examples) and select the correct answer using the codes given below. Column-I Column-II A. Pseudocoelomates I. Hydra, Adamsia B. Diploblastic II. Ctenoplana, Aurelia C. Cellular level of organisation III. Ascaris, Wuchereria D. Radial symmetry IV. Sycon, Spongilla E. Metamerism V. Pheretima, Nereis |
| A. | A-V B-II C-IV D-III E-I |
| B. | A-III B-I C-IV D-II E-V |
| C. | A-II B-I C-III D-V E-IV |
| D. | A-III B-II C-IV D-I E-V |
| Answer» C. A-II B-I C-III D-V E-IV | |
| 2170. |
A student has identified a triploblastic coelomate segmented animal as an arthropod. Which additional character the student should have verified before identifying that animal as an arthropod? |
| A. | Presence of wings |
| B. | Presence of antenna |
| C. | Typeofcoelom |
| D. | Type of symmetry |
| Answer» C. Typeofcoelom | |
| 2171. |
to coelomates, the problem of diffusion of food from gut to tissues is solved by: |
| A. | the presence of coelomic fluid. |
| B. | churning the food within the body cavity |
| C. | developing a circulatory system. |
| D. | developing gut associated glands |
| Answer» D. developing gut associated glands | |
| 2172. |
Match column-I with column-II and select the correct answer using the codes given below. Column-I Column-II A. Protozoa I. Pennatula B. Aschelminthes II. Beroe C. Porifera III. Monocystis D. Ctenophora IV. Wuchereria E. Cnidaria V. Cliona |
| A. | A-III B-V C-IV D-I E-II |
| B. | A-IV B-III C-V D-II E-I |
| C. | A-III B-IV C-V D-II E-I |
| D. | A-II B-IV C-V D-III E-I |
| Answer» D. A-II B-IV C-V D-III E-I | |
| 2173. |
The given figures 1, 2, 3 and 4 are the examples of first true land vertebrates. They are dominant in mesozoic era and belong to phylum 'X'. Identify 'X' and the animals which have four chambered heart. |
| A. | X - Reptile; 2 |
| B. | X - Reptile; 1 |
| C. | X - Amphibia; 3 |
| D. | X - Pisces; 4 |
| Answer» B. X - Reptile; 1 | |
| 2174. |
In which of the following classes, locomotory organs are absent? |
| A. | Rhizopoda |
| B. | Sporozoa |
| C. | Suctoria |
| D. | Mastigophora |
| Answer» C. Suctoria | |
| 2175. |
Syncytial epidermis occurs in: |
| A. | Ascaris |
| B. | Hydra |
| C. | Taenia |
| D. | Leucosolenia |
| Answer» B. Hydra | |
| 2176. |
Which of the following sets of animals give birth to young ones? |
| A. | Platypus, Penguin, Bat, Hippopotamus |
| B. | Shrew, Bat, Cat, Kiwi |
| C. | Kangaroo, Hedgehog, Dolphin, Loris |
| D. | Lion, Bat, Whale, Ostrich |
| Answer» D. Lion, Bat, Whale, Ostrich | |
| 2177. |
Refer the given figure 1, 2, 3 and 4 and identify the options which show their correct name. |
| A. | 1- Pleurobrachia 2- Cnidoblast 3- Aurelia 4- Adamsia |
| B. | 1- Aurelia 2- Adamsia 3- Cnidoblast 4- Pleurobrachia |
| C. | 1- Cnidoblast 2- Pleurobrachia 3- Adamsia 4- Aurelia |
| D. | 1- Adamsia 2- Aurelia 3- Pleurobrachia 4- Cnidoblast |
| Answer» C. 1- Cnidoblast 2- Pleurobrachia 3- Adamsia 4- Aurelia | |
| 2178. |
Book-lungs are found in: |
| A. | Myriapoda |
| B. | Crustacea |
| C. | Arachnida |
| D. | Insecta |
| Answer» D. Insecta | |
| 2179. |
Sense organs of Aurelia are: |
| A. | Tentacle |
| B. | Tentaculocyst |
| C. | Nematocyst |
| D. | Otolith |
| Answer» C. Nematocyst | |
| 2180. |
In which of the following animal, post anal tail is found? |
| A. | Earthworm |
| B. | Lower invertebrate |
| C. | Scorpion |
| D. | Snake |
| Answer» E. | |
| 2181. |
Which of the following statement(s) is/are correct? (i) Organ systems in different group of animals show various patterns of complexities. (ii) The digestive system in Platyhelminthes has only a single opening to the outside of the body that serve as both mouth and anus, and is hence called complete. (iii) In open type of circulatory system, the blood is pumped out of the heart and the cells and tissues are directly bathed in it. (iv) In closed circulatory type, the blood is circulated through a series of vessels of varying diameters (arteries, veins and capillaries). |
| A. | Only (i) |
| B. | Both (ii) and (iii) |
| C. | (i), (iii) and (iv) |
| D. | All of these |
| Answer» D. All of these | |
| 2182. |
The following statement are associated with the occurrence of notochord. Identify incorrect statement. |
| A. | It is present only in larval tail in ascidians. |
| B. | It is replaced by a vertebral column in adult frog. |
| C. | It is absent throughout the life in humans from the very beginning. |
| D. | It is present throughout life in Amphioxus. |
| Answer» D. It is present throughout life in Amphioxus. | |
| 2183. |
Millipede (Julus) and Centipede (Scolopendrd) are both included under: |
| A. | Arachnida |
| B. | Myriapoda |
| C. | Scaphopoda |
| D. | Pelecypoda |
| Answer» C. Scaphopoda | |
| 2184. |
Jaws are absent in: |
| A. | Protochordata |
| B. | Protochordata and cyclostomata |
| C. | Amphioxus and Balanoglossus |
| D. | Herdmania and Myxine |
| Answer» C. Amphioxus and Balanoglossus | |
| 2185. |
Cleavage in mammals is: |
| A. | Holoblastic equal |
| B. | Holoblastic unequal |
| C. | Superficial |
| D. | Discoidal |
| Answer» B. Holoblastic unequal | |
| 2186. |
Match the phylum given in column-I with their example given in column-II and choose the correct option. Column-I (Phylum) Column-II (Example) A. Echinodermata I. Ascidia, Doliolum B. Hemichordata II. Asterias, Ophiura C. Urochordata III. Branchiostoma D. Cephalochordata IV. Balanoglossus, Saccoglossus |
| A. | A-IV B-II C-I D-III |
| B. | A-II B-IV C-I D-III |
| C. | A-II B-IV C-III D-I |
| D. | A-II B-I C-IV D-III |
| Answer» C. A-II B-IV C-III D-I | |
| 2187. |
Which of the following statements) (i) to (iv) is/are incorrect? (i) Circulatory system in arthropods is of closed type. (ii) Parapodia in annelids helps in swimming (iii) Phylum mollusca is the second largest animal phylum. (iv) Aschelminthes are dioecious. |
| A. | (i) only |
| B. | (iii) only |
| C. | (i) and (iii) |
| D. | (iii) and (iv) |
| Answer» B. (iii) only | |
| 2188. |
Which of the following is not a characteristic feature of kingdom animalia? |
| A. | Storage of carbohydrates as starch |
| B. | Multicellularity |
| C. | Obtaining nutrients by ingestion |
| D. | Having eukaryotic cells without walls |
| Answer» B. Multicellularity | |
| 2189. |
Which of the following pair is incorrectly matched? |
| A. | Pith - Large and well developed in monocotyledonous root. |
| B. | Root hairs - Helps in preventing water loss due to transpiration. |
| C. | Sieve tube elements - Its functions are controlled by the nucleus of companion cells. |
| D. | Stomatal apparatus - Consists of stomatal aperture, guard cells and surrounding subsidiary cells. |
| Answer» C. Sieve tube elements - Its functions are controlled by the nucleus of companion cells. | |
| 2190. |
Which one of the followings option is correct for a lenticel? |
| A. | 1 - Pore, 2 - Secondary cortex, 3 - Cork cambium, 4 - Cork, 5 - Complimentary cells |
| B. | 1 - Pore, 2 - Cork cambium, 3 - Secondary cortex, 4 - Cork, 5 - Complimentary cells |
| C. | 1 - Pore, 2 - Cork, 3 - Complimentary cells, 4 - Cork cambium, 5 - Secondary cortex |
| D. | 1 - Pore, 2 - Complimentary cells, 3 - Cork, 4 - Cork cambium, - Secondary cortex |
| Answer» E. | |
| 2191. |
Which will decay faster if exposed freely to the air? |
| A. | Heartwood |
| B. | Sapwood |
| C. | Wood with lots of fibres |
| D. | Softwood |
| Answer» C. Wood with lots of fibres | |
| 2192. |
Non-porous wood is found in: |
| A. | Dicots |
| B. | Monocots |
| C. | Gymnosperm |
| D. | Cactus |
| Answer» D. Cactus | |
| 2193. |
Embryo of a seed is made up of: |
| A. | Meristematic tissue |
| B. | Parenchyma |
| C. | Collenchyma |
| D. | Sclerenchyma |
| Answer» B. Parenchyma | |
| 2194. |
Leaf primordium grows into adult lamina by means of: |
| A. | Marginal meristem |
| B. | Lateral meristem |
| C. | First apical and then marginal meristems |
| D. | Apical meristem |
| Answer» D. Apical meristem | |
| 2195. |
The concept envisaging three distinct zones of cells of new tissue builders at the stem and root apices is known as: |
| A. | Tunica corpus theory |
| B. | Dermatogen |
| C. | Meristem theory |
| D. | Histogen theory |
| Answer» E. | |
| 2196. |
In the given columns, column-I contain structures of plant and column-II contain its feature. Select the correct match. Column-I Column-II A. Lateral I. Fascicular vascular meristem cambium, inter fascicular cambium and cork cambium. B. Apical meristem II. Produces dermal tissue, ground tissues and vascular tissue. C. Bast fibres III. Generally absent in primary phloem but found in secondary phloem. D. Sap wood IV. Involved in the conduction of water and minerals from the root to leaf. |
| A. | A-I; B-II; C-III; D-IV |
| B. | A-III; B-I; C-II; D-IV |
| C. | A-I; B-IV; C-III; D-II |
| D. | A-II; B-IV; C-III; D-I |
| Answer» B. A-III; B-I; C-II; D-IV | |
| 2197. |
In Aristolochia, the pericycle is: |
| A. | Parenchymatous |
| B. | Collenchymatous |
| C. | Aerenchymatous |
| D. | Sclerenchymatous |
| Answer» E. | |
| 2198. |
Maximum growth in root occurs: |
| A. | at its tip |
| B. | towards light |
| C. | behind the apex |
| D. | towards apex |
| Answer» D. towards apex | |
| 2199. |
Which anatomy of plants is being described by the statements given below? (i) The cortex consists of several layers of thin-walled parenchyma cells with intercellular spaces. (ii) The tangential as well as radial walls of the endodermal cells have a deposition of water-impermeable, waxy materialsuberin, in form of casparian strips. (iii) Secondary growth takes place. (iv) Pith is small or inconspicuous. |
| A. | Dicotyledonous root |
| B. | Monocotyledonous root |
| C. | Dicotyledonous stem |
| D. | Monocotyledonous stem |
| Answer» B. Monocotyledonous root | |
| 2200. |
T.S. of monocot leaf is given below, certain parts have been marked by alphabets (1 - 7). Which one is the option showing there correct labelling? |
| A. | 1 - Adaxial epidermis, 2 - Xylem, 3 - Mesophyll, 4 - Sub-stomatal cavity, 5 - Abaxial epidermis, 6 - Stoma, 7 - Phloem |
| B. | 1 - Adaxial epidermis, 2 -Abaxial epidermis, 3 - Xylem, 4 - Sub-stomatal cavity, 5 - Stoma, 6 - Mesophyll, 7 - Phloem |
| C. | 1 - Adaxial epidermis, 2 - Phloem, 3 - Mesophyll, 4 - Sub-stomatal cavity, 5 - Abaxial epidermis, 6 - Xylem, 7 - Stoma |
| D. | 1 - Adaxial epidermis, 2 - Xylem, 3 - Stoma, 4 - Sub-stomatal cavity, 5 - Abaxial epidermis, 6 - Phloem, 7 - Mesophyll |
| Answer» B. 1 - Adaxial epidermis, 2 -Abaxial epidermis, 3 - Xylem, 4 - Sub-stomatal cavity, 5 - Stoma, 6 - Mesophyll, 7 - Phloem | |