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.
| 4101. |
Pheretima is [DPMT 1985; AFMC 1987] |
| A. | Sterile |
| B. | Hermaphrodite |
| C. | Radially symmetrical |
| D. | Dioecious |
| Answer» C. Radially symmetrical | |
| 4102. |
Annelids are [CMC Vellore 1993] |
| A. | Radially symmetrical |
| B. | Externally segmented |
| C. | Triploblastic |
| D. | Pseudocoelomate |
| Answer» D. Pseudocoelomate | |
| 4103. |
In earthwarm fertilization occurs in [CPMT 1980, 2005; DPMT 1986] |
| A. | Oviduct |
| B. | Spermatheca |
| C. | Clitellum |
| D. | Coccon |
| Answer» E. | |
| 4104. |
Hearts of Pheretima are situated in the segments [JIPMER 1985; MP PMT 1986] |
| A. | 10, 13, 16 and 17 |
| B. | 7, 9, 12 and 13 |
| C. | 4, 5, 10 and 13 |
| D. | 11, 14, 17 and 18. |
| Answer» C. 4, 5, 10 and 13 | |
| 4105. |
Locomotion in earthwarm is directly facilitated by [AFMC 1987] |
| A. | Mucus secreted by epidermis |
| B. | Segmentation of the body |
| C. | Rhythim contraction of segments |
| D. | Setae and contraction of segments |
| Answer» E. | |
| 4106. |
The female genital aperture in earthworm is present ventrally on the segment [CPMT 1987, 2000] |
| A. | 10th |
| B. | 12th |
| C. | 14th |
| D. | 18th |
| Answer» D. 18th | |
| 4107. |
Setae occure in earthworm in all segments except [CPMT 1992, 93; RPMT 1994] |
| A. | Clitellar region |
| B. | Anal segment |
| C. | Peristomium |
| D. | All the above |
| Answer» E. | |
| 4108. |
Flow of blood in dorsal blood vessel of Earthworm is [CPMT 1992] |
| A. | Backward |
| B. | Forward |
| C. | Sideward |
| D. | Downward |
| Answer» C. Sideward | |
| 4109. |
In Earthworm, genital papillae occur in segments AFMC 1991] |
| A. | 16 and 17 |
| B. | 16 and 18 |
| C. | 17 and 19 |
| D. | 17 and 18 |
| Answer» D. 17 and 18 | |
| 4110. |
Chloragogen cells are present in [CPMT 1990, RPMT 1998] |
| A. | Body wall of Leucosolenia |
| B. | Blood of Earthworm |
| C. | Coelomic fluid of Earthworm |
| D. | Blood of Cockroach. |
| Answer» D. Blood of Cockroach. | |
| 4111. |
Leech is [AFMC 1991; J&K CET 2005] |
| A. | Carnivorous |
| B. | Sanguivorous |
| C. | Ectoparasite |
| D. | Both (b) and (c) |
| Answer» E. | |
| 4112. |
Male genital aperture of earthworms is located in the segment [CPMT 1999] |
| A. | 13 |
| B. | 14 |
| C. | 19 |
| D. | 18 |
| Answer» E. | |
| 4113. |
Region of Earthworm which is forest of nepphridia is [CPMT 1989, 2002] |
| A. | Clitellar region |
| B. | Pharyngeal region |
| C. | Typhlosolar region |
| D. | Intestinal reagion |
| Answer» B. Pharyngeal region | |
| 4114. |
In which of the following the segmentation is best represented [CPMT 1981] |
| A. | Ascaris |
| B. | Fish |
| C. | Leech |
| D. | Scorpion |
| Answer» D. Scorpion | |
| 4115. |
Members of which phylum exhibit adaptations to widely varied environmental conditions [NCERT 1983] |
| A. | Annelida |
| B. | Platyhelminthes |
| C. | Echinodermata |
| D. | Mollusca |
| Answer» B. Platyhelminthes | |
| 4116. |
Aphrodite, commonly known as sea mouse is a |
| A. | Annelid |
| B. | Mollusca |
| C. | Insect |
| D. | Mammal |
| Answer» B. Mollusca | |
| 4117. |
Of which the body is made up of 33 somites |
| A. | Leech |
| B. | Earthworm |
| C. | Tapeworm |
| D. | Slug |
| Answer» B. Earthworm | |
| 4118. |
In which of the following class of Annelida, one pair ovaries and several pair testes are found [MP PMT 2003] |
| A. | Archiannelida |
| B. | Hirudinea |
| C. | Oligochaeta |
| D. | Polychaeta |
| Answer» C. Oligochaeta | |
| 4119. |
Most important use of Pheretima posthuma is [AFMC 2000] |
| A. | To catch fish |
| B. | To make dish |
| C. | To make soil saline |
| D. | To make soil porous and fertile |
| Answer» E. | |
| 4120. |
The famous Indian Zoologist who wrote a memoir upon Pheretima posthuma is [CBSE PMT 2001] |
| A. | J.C. Bose |
| B. | M.L.Bhatia |
| C. | K.N.Bahl |
| D. | Beni Prasad |
| Answer» D. Beni Prasad | |
| 4121. |
Earthworm is placed in the group |
| A. | Oligochaeta |
| B. | Polychaeta |
| C. | Hirudinea |
| D. | Crustacea |
| Answer» B. Polychaeta | |
| 4122. |
The colour of the body in earthworm is brown due to the presence of [CPMT 2001] |
| A. | Porphyrin |
| B. | Haemoglobin |
| C. | Blood |
| D. | Haemocyanin |
| Answer» B. Haemoglobin | |
| 4123. |
In Pheretima, there are red coloured round bodies in 4th, 5th and 6th segments above the alimentary canal. They are believed to be involved in [BHU 1999] |
| A. | Excretion |
| B. | Digestion |
| C. | Reproduction |
| D. | Leucocyte production |
| Answer» E. | |
| 4124. |
Which is not a feature of Annelid [DPMT 2003; BVP 2004] |
| A. | Metameric segmentation |
| B. | Nephridia |
| C. | Pseudocoelom |
| D. | Clitellum |
| Answer» D. Clitellum | |
| 4125. |
The typhlosole in earthworm is related with [AFMC 1999] |
| A. | Excretion |
| B. | Absorption |
| C. | Respiration |
| D. | Reproduction |
| Answer» C. Respiration | |
| 4126. |
In which of the following, clitellum is absent [BHU 2000] |
| A. | Polychaeta |
| B. | Oligochaeta |
| C. | Hirudinea |
| D. | All the above |
| Answer» B. Oligochaeta | |
| 4127. |
The septal and pharyngeal nephridia open into alimentary canal and are of enteronephric type. It is an adaptation for [CPMT 1988] |
| A. | Conservation of water |
| B. | Conservation of heat |
| C. | Regulation of temperature |
| D. | Regulation of amino acids |
| Answer» B. Conservation of heat | |
| 4128. |
Metamerism or metameric segmentation is characteristic feature of [AFMC 1985] |
| A. | Porifera |
| B. | Mollusca |
| C. | Annelida |
| D. | Platyhelminthes |
| Answer» D. Platyhelminthes | |
| 4129. |
A suctorial mouth is present in [AFMC 1983] |
| A. | Leech |
| B. | Cockroach |
| C. | Housefly |
| D. | Butterfly |
| Answer» B. Cockroach | |
| 4130. |
In Earthworm the dorsal wall of the intestine from the 26th segment to 95th segment forms a median internal fold called [Kerala CET 2005] |
| A. | Trochophore |
| B. | Typhlosole |
| C. | Clitellum |
| D. | Trachea (e) Nephridium |
| Answer» C. Clitellum | |
| 4131. |
Which one of the following groups of structures/organs have similar function [AIIMS 2005] |
| A. | Typhlosole in earthworm, intestinal villi in rat and contractile vacuole in Amoeba |
| B. | Nephridia in earthworm, Malpighian tubules in cockroach and urinary tubles is rat |
| C. | Antennae of cockroach, tympanum of frog and clitellum of earthworm |
| D. | Incisors of rat, gizzard (proventriculus) of cockroach and tube feet of starfish |
| Answer» C. Antennae of cockroach, tympanum of frog and clitellum of earthworm | |
| 4132. |
Earthworms have how many segments [Haryana PMT 2005] |
| A. | 85 - 400 |
| B. | 100 - 200 |
| C. | 20 - 95 |
| D. | 115 - 120 |
| Answer» E. | |
| 4133. |
Leech secretes which of the following anticoagulant [AFMC 2005] |
| A. | Hirudin |
| B. | Heparin |
| C. | Serotonin |
| D. | Histamine |
| Answer» B. Heparin | |
| 4134. |
Spermathecae in earthworm is [CPMT 1987, 89; AFMC 2005] |
| A. | For producing sperm |
| B. | For storage of sperm obtained from male earthworm during copulation and used in future |
| C. | Both (a) and (b) |
| D. | None of these |
| Answer» C. Both (a) and (b) | |
| 4135. |
Trochophore larva is found in [DPMT 2004] |
| A. | Annelida |
| B. | Platyhelminthes |
| C. | Coelenterate |
| D. | Prawn |
| Answer» B. Platyhelminthes | |
| 4136. |
Which of the following nephridia does not found in earthworm [AFMC 2004] |
| A. | Septal nephrida |
| B. | Macro nephridia |
| C. | Integumentary nephridia |
| D. | Pharyngeal nephridia |
| Answer» C. Integumentary nephridia | |
| 4137. |
Locomotion occurs is Earthworm with the help of [RPMT 2002] |
| A. | Setae |
| B. | Setae and circular muscles |
| C. | Parapodia |
| D. | Setae, circualr muscles and longitudinal muscles |
| Answer» E. | |
| 4138. |
Closed blood vascular system, liver cells in the blood and chitinous setae or parapodia are the characteristics of |
| A. | Arthropoda |
| B. | Nematoda |
| C. | Annelida |
| D. | None of these |
| Answer» D. None of these | |
| 4139. |
Pick up the mismatched [Orissa JEE 2002] |
| A. | Annelida - Hydra |
| B. | Nemathelminthes - Ascaris |
| C. | Arthropoda - Cockroach |
| D. | Echinodermata - Starfish |
| Answer» B. Nemathelminthes - Ascaris | |
| 4140. |
Which one is correct [Orissa JEE 2002] |
| A. | Flatworms are eucoelomates |
| B. | Fishes are radially symmetrcial |
| C. | Birds are poikilothermic |
| D. | Earthworm is metamerically segmented |
| Answer» E. | |
| 4141. |
Bilateral symmetry, blastopore mouth and true coelom occur in [CMC 2002] |
| A. | Echinodermata |
| B. | Chordata |
| C. | Annelida |
| D. | Platyhelminthes |
| Answer» D. Platyhelminthes | |
| 4142. |
Which one will excrete silicates consumed by Earthworm alongwith food [APMEE 2002] |
| A. | Intestinal cells |
| B. | Basal cells |
| C. | Chloragogen cells |
| D. | Flame cells |
| Answer» D. Flame cells | |
| 4143. |
Open vascular system is absent in [Haryana PMT 2002] |
| A. | House fly |
| B. | Cockroach |
| C. | Silver Fish |
| D. | Earthworm |
| Answer» E. | |
| 4144. |
Phaosome in Earthworm is [APMEE 2002] |
| A. | Lens |
| B. | Pigment |
| C. | Nephridium |
| D. | Hormone |
| Answer» B. Pigment | |
| 4145. |
Blood glands of Pheretima occur in segments [APMEE 2002] |
| A. | 1, 2 and 3 |
| B. | 3, 4 and 5 |
| C. | 4, 5 and 6 |
| D. | 10, 11 and 12 |
| Answer» D. 10, 11 and 12 | |
| 4146. |
External segmentation is absent but internal segmentation is present in [APMEE 2001] |
| A. | Polychaeta |
| B. | Oligochaeta |
| C. | Archiannelida |
| D. | Hirudinea |
| Answer» D. Hirudinea | |
| 4147. |
Which of the following equation can be more appropriate for photosynthesis [KCET 1994; Kerala PMT 2004] |
| A. | \[6C{{O}_{2}}+6{{H}_{2}}O\underset{\text{Chlorophyll}}{\mathop{\xrightarrow{\text{Light}}}}\,{{C}_{2}}{{H}_{12}}{{O}_{6}}+6{{O}_{2}}\] |
| B. | \[6C{{O}_{2}}+12{{H}_{2}}O\underset{\text{Chlorophyll}}{\mathop{\xrightarrow{\text{Light}}}}\,{{C}_{6}}{{H}_{12}}{{O}_{6}}+6{{H}_{2}}O+6{{O}_{2}}\] |
| C. | \[12C{{O}_{2}}+6{{H}_{2}}O\underset{\text{Chlorophyll}}{\mathop{\xrightarrow{\text{Light}}}}\,2{{C}_{6}}{{H}_{12}}{{O}_{6}}+6{{O}_{2}}\] |
| D. | None of the above |
| Answer» C. \[12C{{O}_{2}}+6{{H}_{2}}O\underset{\text{Chlorophyll}}{\mathop{\xrightarrow{\text{Light}}}}\,2{{C}_{6}}{{H}_{12}}{{O}_{6}}+6{{O}_{2}}\] | |
| 4148. |
The first step in photosynthesis is [AIEEE 2004] |
| A. | Formation of ATP |
| B. | Ionisation of water |
| C. | Excitation of an electron of chlorophyll by a photon of light |
| D. | Attachment of \[C{{O}_{2}}\] to \[{{H}^{+}}\]ion |
| Answer» D. Attachment of \[C{{O}_{2}}\] to \[{{H}^{+}}\]ion | |
| 4149. |
Which of the following is initiating step in photosynthesis [CBSE PMT 2000; AIEEE 2004] |
| A. | ATP formation |
| B. | Glucose formation |
| C. | Photolysis of water |
| D. | Activation of chlorophyll by sunlight |
| Answer» E. | |
| 4150. |
During the course of photosynthesis [CPMT 1985] |
| A. | ATP is formed |
| B. | ATP is not formed |
| C. | Oxygen evolved comes from carbon dioxide |
| D. | Water is required as medium but it does not take part in photosynthetic reactions |
| Answer» B. ATP is not formed | |