Read the following statements and identify the characters related to the alga shown in the diagram : (a) It is a member of Chlorophyceae (b) Food is ...

Which of the following animals has three chambered heart?

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Select the incorrect statements with respect to Cyclostomes: (a) They lack scales and paired fins. (b) They have circular mouth with jaws. (c) They be...

Exoskeleton of arthropods is composed of:

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Read the following statements(1) Metagenesis is observed in Helminths.(2) Echinoderms are triploblastic and coelomate animals.(3) Round worms have org...

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Which one of the following organisms bears hollow and pneumatic long bones?

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Bilaterally symmetrical and acoelomate animals are exemplified by

Which of the following statements are true for the phylum-Chordata (i) In Urochordata notochord extends from head to tail and it is present throughout...

If the head of cockroach is removed, it may live for few days because

Match the following columns and select the correct option : .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:...

Match the following columns and select the correct option : .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:...

Consider following features: (a) Organ system level of organisation (b) Bilateral symmetry (c) True coelomates with segmentation of body Select the co...

Match the following organisms with their respective characteristics: .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;bord...

Which of the following animals does not undergo metamorphosis?

Identify the vertebrate group of animals characterised by crop and gizzard in its digestive system.

Which one of these animals is not a homeotherm?

Which among these is the correct combination of aquatic mammals?

In case of proiferans, the spongocoel is lined with flagellated cells called

Important characteristic that hemichordates share with chordates is

Which of the following represents order of 'Horse'?

In case of poriferans, the spongocoel is lined with flagellated cells called

Match column I with column II for housefly classification and select the correct option using the codes given below. .tg {border-collapse:collapse;...

Choose the correct statement

Which of the following characteristic features always holds true for the corresponding group of animals? .tg {border-collapse:collapse;border-spacin...

Which of the following features is not present in the Phylum Arthropoda?

Which one of the following characteristics is not shared by birds and mammals?

Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of Phylu...

Metagenesis refers to

A jawless fish, which lays eggs in fresh water and whose ammocoetes larvae after metamorphosis return to the ocean is

Which of the following endoparasites of humans does show viviparity?

Which of the following represents the correct combination without any exception?

Which of the following animals is not viviparous?

Which of the following characteristics is mainly responsible for diversification of insects on land?

Which one of the following living organisms completely lacks a cell wall?

Select the taxon mentioned that represents both marine and fresh water species.

Planaria possesses high capacity of

A marine cartilaginous fish that can produce electric current is

Planaria possesses high capacity of

Which one of the following groups of animals reproduces only by sexual means?

Which one of the following is one of the paths followed by air or O2 during respiration in the adult male Periplaneta americana it enters the animal b...

Which one of the following animals is correctly matched with its one characteristic and the taxon?

Sharks and dogfishes differ from skates and rays because

The characteristics of Class Reptilia are

Which of the following are correctly matched with respect to their taxonomic classification?

One of the representatives of Phylum Arthropoda is

Match the name of the animal (column I), with one characteristic (column II), and the phylum/class (column III) to which it belongs.

Which group of animals belong to the same phylum?

Which one of the following pairs of animals are similar to each other pertaining to the feature stated against them?

Which one of the following categories of animals, is correctly described with no single exception in it?

Pheretima and its close relatives derive nourishment from

In which one of the following, the genus name, its two characters and its phylum are not correctly matched, whereas the remaining three are correct?

Consider the following four statements (A$$-$$D) related to the common frog Rana tigrina, and select the correct option starting which ones are true (...

Ureters act as urinogenital ducts in

Which one of the following statements is totally wrong about the occurrence of notochord, while the other three are correct?

The figures (A – D) show four animals. Select the correct option with respect to a common characteristic of two of these animals. ...

What will you look for to identify the sex of the following?

Which one of the following groups of animals is correctly matched with its characteristic feature without any exception?

In which one of the following the genus name, its two characters and its class/phylun are correctly matched?

In which one of the following organisms its excretory organs are correctly stated?

Crocodile and penguin are similar to whale and dogfish in which one of the following features?

One example of animals having a single opening to the outside that serves both as mouth as well as anus is

Which one of the following statements about all the four of Spongilla, leech, dolphin and penguin is correct?

Which one of the following kinds of animals are triploblastic?

Which one of the following statements about certain given animals is correct?

Which one of the following groups of animals is bilaterally symmetrical and triploblastic?

Which one of the following pairs of animals comprises 'jawless fishes'?

If a live earthworm is pricked with a needle on its outer surface without damaging its gut, the fluid that comes out is

Which one of the following in birds, indicates their reptilian ancestry?

Which one of the following groups of three animals each is correctly matched with their one characteristic morphological feature?

Ascaris is characterized by

Which one of the following pairs of items correctly belongs to the category of organs mentioned against it?

Which one of the following is not a characteristic of Phylum Annelida?

Which one of the following phyla is correctly matched with its two general characteristics?

Which one of the following is a matching pair of body feature and the animal possessing it?

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What is common between parrot, platypus and kangaroo?

What is true about Nereis, scorpion, cockroach and silver fish?

Two common characters found in centipede, cockroach, and crab are

Biradial symmetry and lack of cnidoblasts are the characteristic of

In which one of the following sets of animals do all the four give birth to young ones?

Which one of the following is not a living fossil?

Annual migration does not occur in the case of

Which one of the following is a matching set of a phylum and its three examples?

Metameric segmentation is the characteristic of

What is common about Trypanosoma, Noctiluca, Monocystis and Giardia?

In contrast to annelids the platyhelminthes show

From the following statements select the wrong one

Which of the following unicellular organisms has a macronucleus for trophic function and one or more micronuclei for reproduction?

Which one of the following characters is not typical of the class mammalia?

In Arthropoda, hend and thorax are often used to form cephalothorax, but in which one of the following classes, is the body divided into head thorax a...

The animals with bilateral symmetry in young stage, and radial pentamerous symmetry in the adult stage, belong to the Phylum

Presence of gills in the tadpole of frog indicates that

Uricotelism is found in

When a fresh-water protozoan possessing a contractile vacuole, is placed in a glass containing marrine water, the vacuole will

One of the following is a very unique feature of the mammalian body

Bartholin's glands are situated

The chief advantage of encystment of an Amoeba is

Systemic heart refers to

Sycon belongs to a group of animals, which are best described as

During the life-cycle, Fasciola hepatica (liver fluke) infects its intermediate host and primary host at the following larval stages respectively...

Ommatidia serve the purpose of photoreception in

Which one of the following is a matching pair of an animal and a certain phenomenon it exhibits?

Given below are four matchings of an animal and its kind of respiratory organ : (A)  Silver fish      $$-$$&n...

In which of the following animals nerve cell is present but brain is absent?

In which of the following animals dimorphic nucleus is found?

In which of the following, notochord is present in embryonic stage?

In protozoa like Amoeba and Paramecium, the organ for osmoregulation is

In which of the following animals, haemocyanin pigment is found?

In which of the following animals post anal tail is found?

In Hydra, waste material of food digestion and nitrogenous waste material are removed respectively from

Cleavage in mammals is

Which of the following animals have scattered cells with cell - tissue grade organisation?

Similarly in Ascaris lumbricoides and Anopheles stephensi is

What happens if bone of frog is kept in dilute hydrochloric acid?

Which of the following characters is absent in all chordates?

What is true for mammalia?