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.
| 3801. |
Among the following organisms point out a completely non-parasitic form [CBSE PMT 1994] |
| A. | Sea anemone |
| B. | Leech |
| C. | Tape worm |
| D. | Mosquito |
| Answer» B. Leech | |
| 3802. |
Which of the following is not found in vertebrates [MP PMT 1998] |
| A. | Bilateral symmetry |
| B. | Gill opening |
| C. | Body scales |
| D. | Cnidoblasts |
| Answer» E. | |
| 3803. |
Diploblastic acoelomate condition is found in [DPMT 1982] |
| A. | Planaria |
| B. | Ascaris |
| C. | Rotifer |
| D. | Sea anemone |
| Answer» E. | |
| 3804. |
Coelenterates are |
| A. | Acoelomate |
| B. | Coelomate |
| C. | Pseudocoelomate |
| D. | None of these |
| Answer» B. Coelomate | |
| 3805. |
Statocysts are sense organs of [CPMT 1999] |
| A. | Ascaris |
| B. | Paramecium |
| C. | Taenia solium |
| D. | Obelia medusa |
| Answer» E. | |
| 3806. |
Hydra has [MH CET 2000] |
| A. | Endoskeleton |
| B. | No endoskeleton |
| C. | Sometimes (a) sometimes (b) |
| D. | None of these |
| Answer» C. Sometimes (a) sometimes (b) | |
| 3807. |
'Ephyra' is the stage in the life cycle of [AFMC 2000] |
| A. | Frog |
| B. | Obelia |
| C. | Aurelia |
| D. | Sea anemone |
| Answer» D. Sea anemone | |
| 3808. |
Which of the following belongs to anthozoa [CPMT 1999] |
| A. | Aurelia |
| B. | Fungia |
| C. | Stercularia |
| D. | Dugesia |
| Answer» C. Stercularia | |
| 3809. |
In which class of coelenterata the polyp and medusa both are found in one animal [RPMT 2001] |
| A. | Hydrozoa |
| B. | Scyphozoa |
| C. | Anthozoa |
| D. | None of them |
| Answer» B. Scyphozoa | |
| 3810. |
Hydra receives impulses and stimuli through [CBSE PMT 2000; AIIMS 2002] |
| A. | Nerve net |
| B. | Sensory cells |
| C. | Nematocytes |
| D. | All of these |
| Answer» E. | |
| 3811. |
Which one of the following animals is a coelenterate [DPMT 1982; MP PMT 2003] |
| A. | Sea cow |
| B. | Sea horse |
| C. | Sea cucumber |
| D. | Sea pen |
| Answer» E. | |
| 3812. |
How many ova are formed in the ovary of hydra [RPMT 1999] |
| A. | 2 |
| B. | 4 |
| C. | 1 |
| D. | 3 |
| Answer» D. 3 | |
| 3813. |
Obelia belongs to which class of phylum coelenterata |
| A. | Hydrozoa |
| B. | Anthozoa |
| C. | Scyphozoa |
| D. | None of the above |
| Answer» B. Anthozoa | |
| 3814. |
Which coelenterate is not polymorphic |
| A. | Porpita |
| B. | Vellela |
| C. | Adamsia |
| D. | Physalia |
| Answer» D. Physalia | |
| 3815. |
In coelenterates \[{{O}_{2}}\] is carried to various tissues by |
| A. | Blood pigment |
| B. | Plasma |
| C. | Diffuses through integuments |
| D. | Tracheal tubes |
| Answer» D. Tracheal tubes | |
| 3816. |
The larva of hydra is [RPMT 1999] |
| A. | Planula |
| B. | Rhabditoid |
| C. | Trochophore |
| D. | None of these |
| Answer» E. | |
| 3817. |
The true statement regarding corals is [AIIMS 1999] |
| A. | They form branched colonies |
| B. | Are solitary or colonial polypoid |
| C. | They grow as massive bodies |
| D. | All of these |
| Answer» E. | |
| 3818. |
Why does the Ctenophora is a minor phylum [RPMT 2001] |
| A. | It includes small sized animals |
| B. | It includes only few genera |
| C. | It does not include animals of economic importance |
| D. | It was included earlier in cnidarian |
| Answer» C. It does not include animals of economic importance | |
| 3819. |
A coral island with a central shallow lake is known as [BHU 2001] |
| A. | Coral reef |
| B. | Atoll |
| C. | Corallite |
| D. | Diatomaceous sheath |
| Answer» C. Corallite | |
| 3820. |
Main cavity in the body of Hydra is called [AFMC 1982; CPMT 1998] |
| A. | Gastrovascular cavity |
| B. | Schizocoel |
| C. | Haemocoel |
| D. | Pseudocoelom |
| Answer» B. Schizocoel | |
| 3821. |
In coelenterates, characteristic larva is [CPMT 2000] |
| A. | Planula |
| B. | Rhabiditiform |
| C. | Oncosphere |
| D. | Cysticercus |
| Answer» B. Rhabiditiform | |
| 3822. |
Pneumatophore helps in [RPMT 1999] |
| A. | Feeding |
| B. | Reproduction |
| C. | Protection |
| D. | Floating |
| Answer» E. | |
| 3823. |
Phylum coelenterata has remained at [CPMT 1971] |
| A. | Cellular level of organisation |
| B. | Organ level of organisation |
| C. | Tissue level of organisation |
| D. | Organ system level of organization |
| Answer» D. Organ system level of organization | |
| 3824. |
Which of the following animals is without sexual medusae |
| A. | Halistemma |
| B. | Hydra |
| C. | Millepora |
| D. | Velella |
| Answer» C. Millepora | |
| 3825. |
'Portuguese man of war' is |
| A. | Soldier of World War-I |
| B. | Portuguese soldier |
| C. | A sponge |
| D. | A polymorphic, colonial coelenterate |
| Answer» E. | |
| 3826. |
Organ pipe coral is [CBSE PMT 1988] |
| A. | Astrea |
| B. | Tubipora |
| C. | Fungia |
| D. | Meandrina |
| Answer» C. Fungia | |
| 3827. |
Jelly fish is placed in which class of coelenterata [RPMT 1995] |
| A. | Anthozoa |
| B. | Scyphozoa |
| C. | Hydrozoa |
| D. | None of the above |
| Answer» C. Hydrozoa | |
| 3828. |
Which is not applicable to coelenterata [DPMT 1985] |
| A. | Coelenteron |
| B. | Choanocytes |
| C. | Nematoblasts |
| D. | Radial symmetry |
| Answer» C. Nematoblasts | |
| 3829. |
The phylum of comb jelly is [RPMT 1999] |
| A. | Mollusca |
| B. | Echinodermata |
| C. | Coelenterata |
| D. | Ctenophora |
| Answer» E. | |
| 3830. |
Hydra is [RPMT 1999; 2002] |
| A. | Herbivorous |
| B. | More developed |
| C. | Carnivorous |
| D. | Omnivorous |
| Answer» D. Omnivorous | |
| 3831. |
Corals belong to the phylum [MP PMT 1994] |
| A. | Protozoa |
| B. | Porifera |
| C. | Cnideria |
| D. | Mollusca |
| Answer» D. Mollusca | |
| 3832. |
A coelenterate commonly known as 'fresh water polyp' is |
| A. | Aurelia |
| B. | Hydra |
| C. | Obelia |
| D. | Physalia |
| Answer» C. Obelia | |
| 3833. |
Sea anemone belongs to class [CPMT 1998] |
| A. | Hydrozoa |
| B. | Anthozoa |
| C. | Scyphozoa |
| D. | None of these |
| Answer» C. Scyphozoa | |
| 3834. |
Which of the following animals has a tetramorphic colony |
| A. | Obelia |
| B. | Physalia |
| C. | Porpita |
| D. | Velella |
| Answer» C. Porpita | |
| 3835. |
Agnatha includes |
| A. | Hag fishes |
| B. | Fishes |
| C. | Jelly fishes |
| D. | Flying fishes |
| Answer» B. Fishes | |
| 3836. |
Branchiostoma belongs to |
| A. | Urochordata |
| B. | Hemichordata |
| C. | Cephalochordata |
| D. | Protochordata |
| Answer» D. Protochordata | |
| 3837. |
The animal who possesses notochord throughout life is [EAMCET 1998; CPMT 1999; CBSE PMT 2000; MH CET 2003; BHU 2005] |
| A. | Fish |
| B. | Amphioxus |
| C. | Bird |
| D. | Snake |
| Answer» C. Bird | |
| 3838. |
Temperature changes in the environment affect most of the animals which are [CBSE PMT 1999; CPMT 2001] |
| A. | Aquatic |
| B. | Desert living |
| C. | Poikilothermic |
| D. | Homoiothermic |
| Answer» D. Homoiothermic | |
| 3839. |
The most important distinctive character of chordata is the presence of [CBSE PMT 1991] |
| A. | Vertebral column |
| B. | Hairy skin |
| C. | Notochord |
| D. | All the above |
| Answer» D. All the above | |
| 3840. |
The portal system seen in all vertebrates is [JIPMER 1993] |
| A. | Hepatic |
| B. | Renal |
| C. | Both (a) and (b) |
| D. | Pulmonary |
| Answer» B. Renal | |
| 3841. |
Petromyzon belongs to [MH CET 2004] |
| A. | Agnatha |
| B. | Gnathostomata |
| C. | Protochordata |
| D. | Euchordata |
| Answer» B. Gnathostomata | |
| 3842. |
Which among the following is the only vertebrate osmoconformer [DPMT 2004] |
| A. | Rabbit |
| B. | Hagfish |
| C. | Bird |
| D. | None of these |
| Answer» C. Bird | |
| 3843. |
Herdmania belongs to which subphyla [DPMT 2004] |
| A. | Cephalochordata |
| B. | Hemichordata |
| C. | Urochordata |
| D. | Protochordata |
| Answer» D. Protochordata | |
| 3844. |
All chordates at one or the other stage possess [MP PMT 2004] |
| A. | Vertebral column |
| B. | Pharyngeal gills-slits |
| C. | Two pairs of pentadactyle limb |
| D. | A movable jaw |
| Answer» C. Two pairs of pentadactyle limb | |
| 3845. |
Animals which show viviparity include [BVP 2003] |
| A. | Whales |
| B. | Bony fishes |
| C. | Turtles |
| D. | Running birds |
| Answer» B. Bony fishes | |
| 3846. |
Which one feature is common to Amphioxus, frog, sea horse and crocodile [AIEEE 2003] |
| A. | Pharyngeal gill slits, at least in the developmental stages |
| B. | A three-chambered heart |
| C. | Dorsal solid nerve chord |
| D. | Skeleton formed of cartilage and bones |
| Answer» B. A three-chambered heart | |
| 3847. |
In which of the following jaws are found [RPMT 1999] |
| A. | Herdmania |
| B. | Fish |
| C. | Petromyzon |
| D. | Amphioxus |
| Answer» C. Petromyzon | |
| 3848. |
Which of the following statements is true [KCET 2003] |
| A. | All chordats are vertebrates |
| B. | All vertebrates are chordates |
| C. | Nonchordates have a vertebral column |
| D. | Invertebrates possess a tubular nerve cord |
| Answer» C. Nonchordates have a vertebral column | |
| 3849. |
Mode of feeding in tunicates is [EAMCET 2002] |
| A. | Parasitic |
| B. | Macrophagus |
| C. | Ciliary filter |
| D. | Myxotrophic |
| Answer» D. Myxotrophic | |
| 3850. |
Which animal is "Non-chordate-protochordata" [RPMT 2002] |
| A. | Herdamania |
| B. | Balanoglossus |
| C. | Branchiostoma |
| D. | Botryllus |
| Answer» C. Branchiostoma | |