MCQOPTIONS
Saved Bookmarks
This section includes 332 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 251. |
The stinging cells which are organs of offense and defense are called |
| A. | defense cells |
| B. | flame cells |
| C. | nematocysts |
| D. | bulbs |
| Answer» D. bulbs | |
| 252. |
Larynx and epiglottis is well developed and present in |
| A. | reptiles |
| B. | mammals |
| C. | birds |
| D. | amphibians |
| Answer» C. birds | |
| 253. |
Eutheria is class of mammals which include placental mammals including |
| A. | birds |
| B. | reptiles |
| C. | humans |
| D. | spiders |
| Answer» D. spiders | |
| 254. |
The common name for Enterobius vermicularius is |
| A. | tape worms |
| B. | pinworm |
| C. | liver fluke |
| D. | ring worm |
| Answer» C. liver fluke | |
| 255. |
The animals of division Radiata |
| A. | triploblastic |
| B. | diploblastic |
| C. | radioblastic |
| D. | None of Above |
| Answer» C. radioblastic | |
| 256. |
Sponges are used in the surgical operations for absorption of |
| A. | minerals |
| B. | blood and fluids |
| C. | nutritions |
| D. | all of these |
| Answer» C. nutritions | |
| 257. |
The digestive system of sharks and rays is |
| A. | L-shape |
| B. | J-shape |
| C. | U-shape |
| D. | O-shape |
| Answer» C. U-shape | |
| 258. |
The well developed nervous system of Platyhelminthes composed of network of |
| A. | tracts |
| B. | ducts |
| C. | veins |
| D. | ganlia |
| Answer» E. | |
| 259. |
The gastrovascular cavity for entry of food as well as removal of waste constitutes sac like |
| A. | digestive system |
| B. | excretory system |
| C. | nervous system |
| D. | circulatory system |
| Answer» B. excretory system | |
| 260. |
The undulating waves of contraction and relaxation of muscles helps Nematodes in |
| A. | excretion |
| B. | digestion |
| C. | locomotion |
| D. | all of these |
| Answer» D. all of these | |
| 261. |
The abdominal pouch of class metatheria is called as |
| A. | pouch |
| B. | kangaroo pouch |
| C. | marsupium |
| D. | None of Above |
| Answer» D. None of Above | |
| 262. |
Chitinous Setae are the locomotry organs of annelids which are present on |
| A. | parapodia |
| B. | cell wall |
| C. | prostomium |
| D. | None of Above |
| Answer» B. cell wall | |
| 263. |
Generations reproduced sexuallly and asexually in coelenterates are |
| A. | haploid |
| B. | diploid |
| C. | triploblastic |
| D. | diploblastic |
| Answer» C. triploblastic | |
| 264. |
Arthropods have well developed excretory system, which is composed of |
| A. | nephridia |
| B. | annus |
| C. | setae |
| D. | Malphigian tubules |
| Answer» E. | |
| 265. |
Choose the correct combination of the following [CPMT 2000] |
| A. | Annelida and porifera-phyla |
| B. | Aves and chordata-classes |
| C. | Mollusca and hydrozoa-classes |
| D. | Oligochaeta and arthropoda-phyla |
| Answer» B. Aves and chordata-classes | |
| 266. |
Systematic position of echinoderms is between |
| A. | Arthropods and Molluscs |
| B. | Molluscs and Chordates |
| C. | Invertebrates and Chordates |
| D. | None of these |
| Answer» D. None of these | |
| 267. |
Coelom is cavity found between [JIPMER 2000] |
| A. | Ectoderm and Endoderm |
| B. | Mesoderm and Endoderm |
| C. | Body wall and ectoderm |
| D. | Mesoderm and body wall |
| Answer» B. Mesoderm and Endoderm | |
| 268. |
Sea cows are aquatic mammals included under [MP PMT 2001] |
| A. | Lagomorpha |
| B. | Pinnipedia |
| C. | Cetacea |
| D. | Sirenia |
| Answer» E. | |
| 269. |
Which of the following snake is not poisonous [AIIMS 2000; CPMT 2001] |
| A. | Naja naja |
| B. | Python |
| C. | Bungarus |
| D. | Hydrophis |
| Answer» C. Bungarus | |
| 270. |
Temperature regulation is founds in [DPMT 1983] |
| A. | Rat |
| B. | Fish |
| C. | Frog |
| D. | Lizard |
| Answer» B. Fish | |
| 271. |
In which of the following groups the members are exclusively marine |
| A. | Aquatic vertebrates |
| B. | Tetrapoda |
| C. | Pisces |
| D. | Protochordata |
| Answer» E. | |
| 272. |
Taenia saginata differs from Taenia solium in [CBSE PMT 1990] |
| A. | Absence of scolex hooks |
| B. | Absence of scolex hooks and uterine branching |
| C. | Absence of scolex hooks and presence of both male and female reproductive organs |
| D. | Presence of scolex hooks |
| Answer» B. Absence of scolex hooks and uterine branching | |
| 273. |
In suborder ophidia, the vertebrae are [EAMCET 1998; BHU 1999] |
| A. | Amphicoelus |
| B. | Acoelus |
| C. | Heterocoelus |
| D. | Procoelus |
| Answer» E. | |
| 274. |
Animals have the innate ability to escape from predation. Examples for the same are given below. Select the incorrect example. [CBSE PMT 2005] |
| A. | Colour change in chameleon |
| B. | Enlargement of body size by swallowing air in puffer fish |
| C. | Poison fangs in snakes |
| D. | Melanism in moths |
| Answer» D. Melanism in moths | |
| 275. |
Scientific name of king cobra is [Orissa PMT 2002] |
| A. | Naja naja |
| B. | Bungarus coerulus |
| C. | Naja hunnah |
| D. | Vipera russelli |
| Answer» D. Vipera russelli | |
| 276. |
Diapside skull is found in the following [MP PMT 2001] |
| A. | Natrix, Draco and Turtle |
| B. | Crocodile, Turtle and Seymouria |
| C. | Sphenodon, Crocodile and Viper |
| D. | Calotes, Cobra and Varanosaurus |
| Answer» D. Calotes, Cobra and Varanosaurus | |
| 277. |
Snake has [MH CET 2000; Pb. PMT 2004] |
| A. | Movalbe eyelids |
| B. | No eyelids |
| C. | Immovable eyelids |
| D. | Eyelids placed in pouches |
| Answer» D. Eyelids placed in pouches | |
| 278. |
Calotes versicolor is a [Orissa JEE 1997] |
| A. | House lizard |
| B. | Garden lizard |
| C. | Flying lizard |
| D. | Rock lizar |
| Answer» C. Flying lizard | |
| 279. |
Which is correct for Indian snakes [MP PMT 1992] |
| A. | Only sea snakes are non-poisonous |
| B. | Only sea snakes are poisonous |
| C. | All water snakes are poisonous |
| D. | All sea snakes are poisonous |
| Answer» E. | |
| 280. |
Only poisonous lizard of the world is |
| A. | Draco |
| B. | Heloderma |
| C. | Sphenodon |
| D. | Varanus |
| Answer» C. Sphenodon | |
| 281. |
Teeth conducting poison in a snake are called [CPMT 1986] |
| A. | Incisors |
| B. | Canines |
| C. | Heterodont |
| D. | Fangs |
| Answer» E. | |
| 282. |
Whose skin colour does not change [MP PMT 1995] |
| A. | Chameleon |
| B. | Horse |
| C. | Garden lizard |
| D. | Two of the above |
| Answer» C. Garden lizard | |
| 283. |
Which is a true fish [CPMT 1984] |
| A. | Cat fish |
| B. | Jelly fish |
| C. | Cuttle fish |
| D. | Silver fish |
| Answer» B. Jelly fish | |
| 284. |
At present, the Dipnoans are distributed over[Manipal 2003] |
| A. | Europe and North America |
| B. | Latin America and Australia |
| C. | Europe and Latin America |
| D. | North America and Australia |
| Answer» C. Europe and Latin America | |
| 285. |
Which of the following is a migratory fish [AFMC 2001] |
| A. | Shark |
| B. | Salmon |
| C. | Carp |
| D. | Ribbon fish |
| Answer» C. Carp | |
| 286. |
In one of the following fishes, the dorsal fin is modified into suckers [EAMCET 1999] |
| A. | Torpedo |
| B. | Echeneis |
| C. | Hippocampus |
| D. | Neoceratodus |
| Answer» C. Hippocampus | |
| 287. |
Which is viviparous [JIPMER 1986, 98] |
| A. | Bony fish |
| B. | Lung fish |
| C. | Frog |
| D. | Shark |
| Answer» E. | |
| 288. |
The most poisonous fish is |
| A. | Porcupine fish |
| B. | Stone fish |
| C. | Catfish |
| D. | Scorpion fish |
| Answer» C. Catfish | |
| 289. |
Mermaid's purse refers to |
| A. | Egg capsules of sharks and skates |
| B. | A colony of skates and rays |
| C. | Brood pouch of sea horse |
| D. | All of these |
| Answer» B. A colony of skates and rays | |
| 290. |
Heart of fishes is |
| A. | One chambered |
| B. | Two chambered |
| C. | Three chambered |
| D. | Four chambered |
| Answer» C. Three chambered | |
| 291. |
Swim bladder or air bladder is present only in |
| A. | Fish |
| B. | Amphibia |
| C. | Aquatic reptilia |
| D. | Aquatic mammals |
| Answer» B. Amphibia | |
| 292. |
One of the following is a very unique feature of the mammalian body [CPMT 1987; CBSE PMT 2004] |
| A. | Four chambered heart |
| B. | Rib cage |
| C. | Homeothermy |
| D. | Presence of diaphragm |
| Answer» E. | |
| 293. |
Jaw suspension characteristic of mammals is [MP PMT 2002] |
| A. | Amphistylic |
| B. | Craniostylic |
| C. | Autodiastylic |
| D. | Hyostylic |
| Answer» D. Hyostylic | |
| 294. |
Which of the following is not a mammalian character [MH CET 2002] |
| A. | Hairy skin |
| B. | Muscular diaphragm |
| C. | 3-chamberd heart |
| D. | RBCs enucleated |
| Answer» D. RBCs enucleated | |
| 295. |
Echidna is found in [BHU 2001] |
| A. | India |
| B. | Africa |
| C. | Malaysia |
| D. | Australia |
| Answer» E. | |
| 296. |
The zoological name of lion is [MP PMT 2000] |
| A. | Felis leo |
| B. | Panthera tigris |
| C. | Panthera pardus |
| D. | Panthera leo persica |
| Answer» E. | |
| 297. |
Locomotion in Kangaroo is [AFMC 1991] |
| A. | Saltatorial |
| B. | Volant |
| C. | Cursorial |
| D. | Creeping |
| Answer» B. Volant | |
| 298. |
The sweat gland are scanty in [CPMT 1988] |
| A. | Elephant |
| B. | Man |
| C. | Rabbit |
| D. | Polar bear |
| Answer» E. | |
| 299. |
Which animal eats its own faeces [CPMT 1985] |
| A. | Pig |
| B. | Goat |
| C. | Rabbit |
| D. | Elephant |
| Answer» D. Elephant | |
| 300. |
Constant body temperature is found in [DPMT 1985] |
| A. | Earthworm |
| B. | Snake |
| C. | Frog |
| D. | Cow |
| Answer» E. | |