Description : .Which one of the following animals possesses nerve cells but no nerves? (a) Hydra (b) Tapeworm (c) Earthworm (d) Frog’s tadpole
Last Answer : (a) Hydra
Description : Which of the following creatures has no blood but respires? (a) Cockroach (b) Earthworm (c) Fish (d) Hydra
Last Answer : Ans:(d)
Description : Which of the following has no blood, but respires? (1) Fish (2) Earthworm (3) Hydra (4) Cockroach
Last Answer : (3) Hydra
Description : Which of the following has no blood, but respires ? (1) Fish (2) Earthworm (3) Hydra (4) Cockroach
Last Answer : Hydra
Description : Which of the following animals have scattered cells with cell - tissue grade organisation? (a) Sponge (b) Hydra (c) Liver fluke (d) Ascaris
Last Answer : (b) Hydra
Description : In which animal, nerve cell is present but brain is absent ?
Last Answer : In which animal, nerve cell is present but brain is absent ? A. Sponge B. Earthworm C. Cockroach D. Hydra
Description : Normally animals can change the place, but which one of the following animals cannot change the place? (1) Starfish (2) Sponge (3) Hydra (4) Leech
Last Answer : (3) Hydra Explanation: Hydras are generally sedentary and sessile.
Description : Normally animals can change the place, but which one of the following animals cannot change the place ? (1) Starfish (2) Sponge (3) Hydra (4) Leech
Description : Which group of animals belong to the same phylum? (a) Prawn, Scorpion, Locusta (b) Sponge, Sea anemone, Starfish (c) Malarial parasite, Amoeba, Mosquito (d) Earthworm, Pinworm, Tapeworm
Last Answer : (a) Prawn, Scorpion, Locusta
Description : .Budding is a normal mode of asexual reproduction in (a) starfish and Hydra (b) Hydra and sponges (c) tapeworm and Hydra (d) sponge and starfish.
Last Answer : (b) Hydra and sponges
Description : The example of hermaphrodite animal in which cross fertilization occurs is - (1) Hydra (2) Ascaris (3) Earthworm (4) Silkworm
Last Answer : (1) Hydra Explanation: Cross fertilization occurs in Hydra. The spermatozoa released from the testis of one Hydra swim about in water with their tails and finally come into contact with the ovum ... penetrates the ovum and fertilizes it. This results in the formation of a zygote which is diploid.
Description : Which of the following is a monogenetic parasite? (1) Hydra (2) Fasciola (3) Ascaris (4) Earthworm
Last Answer : (3) Ascaris Explanation: Ascaris is a monogenetic parasite as it completes it life cycle in a single host, i.e., man.
Description : The nephridia in earthworm are analogous to (a) nematoblasts of Hydra (b) flame cells of Planaria (c) gills of prawn (d) trachea of insects.
Last Answer : (b) flame cells of Planaria
Description : Which of the following is a monogenetic parasite ? (1) Hydra (2) Fasciola (3) Ascaris (4) Earthworm
Last Answer : Ascaris
Description : The example of hermaphrodite animal in which cross fertilisation occurs is (1) Hydra (2) Ascaris (3) Earthworm (4) Silkworm
Description : What structure is common to both earthworm and cockroach? -General Knowledge
Last Answer : The answer is 'Ventral nerve cord'
Last Answer : answer:
Description : Correct order of excretory organs in Cockroach, Earthworm and Rabbit respectively
Last Answer : Correct order of excretory organs in Cockroach, Earthworm and Rabbit respectively A. Skin, malpighi ... , kidney D. Nephridia, kidney, green gland
Description : Common feature in earthworm and cockroach is
Last Answer : Common feature in earthworm and cockroach is A. Cuticle (exoskeleton) B. Solid and ventral nerve cord C. Nephirdia D. Malpighian tubules
Description : Structure common between earthworm and cockroach is Or Which one feature is common to leech cockroach and scorpion
Last Answer : Structure common between earthworm and cockroach is Or Which one feature is common to leech ... Excretion by nephridia D. Ventral nerve cord
Last Answer : Correct order of excretory organs in Cockroach, Earthworm and Rabbit respectively A. Skin, Malpighi ... , kidney D. Nephridia, kidney, green gland
Description : Which of the following pairs has open type of circulatory system? (1) Earthworm and Leech (2) Man and Whale (3) Cockroach and Silverfish (4) Tadpole larva and Fish
Last Answer : (3) Cockroach and Silverfish Explanation: The open circulatory system is common to mollusks and arthropods. Open circulatory systems pump blood into a hemocoel with the blood diffusing back to the ... . Cockroaches and silverfish have an open circulatory system. They don't have any blood vessels.
Description : Which one of the following pairs of items correctly belongs to the category of organs mentioned against it? (a) Nephridia of earthworm and Malpighian tubules of cockroach - excretory organs ( ... Cucurbita - analogous organs (d) Nictitating membrane and blind spot in human eye - vestigial organs
Last Answer : (a) Nephridia of earthworm and Malpighian tubules of cockroach - excretory organs
Description : Uric acid is the chief nitrogenous component of the excretory products of (a) earthworm (b) cockroach (c) frog (d) man.
Last Answer : (b) cockroach
Description : Which one of the following is the true description about an animal concerned? (a) Rat - Left kidney is slightly higher in position than the right one (b) Cockroach - 10 pairs of spiracles (2 ... stomach, gizzard and intestine (d) Frog - Body divisible into three regions - head, neck and trunk
Last Answer : (b) Cockroach - 10 pairs of spiracles (2 pairs on thorax and 8 pairs on abdomen)
Description : A larval stage occurs in the life history of all members of the group (a) frog, lizard and cockroach (b) Ascaris, housefly and frog (c) housefly, earthworm and mosquito (d) butterfly, frog and mosquito.
Last Answer : (d) butterfly, frog and mosquito.
Description : In which one of the following organisms its excretory organs are correctly stated? (a) Humans - Kidneys, sebaceous glands and tear glands (b) Earthworm - Pharyngeal, integumentary and septal ... Cockroach - Malpighian tubules and enteric caeca (d) Frog - Kidneys, skin and buccal epithelium
Last Answer : (b) Earthworm – Pharyngeal, integumentary and septal nephridia
Description : What structure is common to both earthworm and cockroach?
Last Answer : Ventral nerve cord
Last Answer : Cockroach and Silverfish
Description : In which phylum nerve cells are found but nerves are absent
Last Answer : In which phylum nerve cells are found but nerves are absent A. Porifera B. Coelenterata C. Platyhelminthes D. Nametohelminthes
Description : The nerve cord of cockroach is :
Last Answer : The nerve cord of cockroach is : A. Double, ventral and solid B. Double dorsal and hollow C. Single, dorsal and solid D. Single, ventral and hollow
Description : Brown adipose tissue is characterized by which of the following? (A) Present in large quantities in adult humans (B) Mitochondrial content higher than white adipose tissue (C) Oxidation and phosphorylation are tightly coupled (D) Absent in hibernating animals
Last Answer : Answer : B
Description : A 48-year-old female patient develops an acute, severe and isolated right C6 radiculopathy affecting both the motor and sensory roots. She is examined in an EMG clinic 3 weeks after the onset of ... to be depressed or absent. E. Voluntary motor unit activity may be absent in the right biceps.
Last Answer : Ans: A
Description : Increased intracranial pressure causes: a. sixth nerve palsy b. cupping of the optic disc c. absent venous pulsation d. increased cerebral blood flow
Last Answer : absent venous pulsation
Description : Direct light reflex of the pupil is absent in: a. lesion of the ipsilateral ciliary ganglion. b. transaction of the ipsilateral optic nerve. c. bilateral occipital lobe lesion. d. topical application of phenylepherine.
Last Answer : lesion of the ipsilateral ciliary ganglion.
Description : Which of the following characters is absent in all chordates? (a) Diaphragm (b) Coelom (c) Pharyngeal gill clefts (d) Dorsal nerve cord
Last Answer : (a) Diaphragm
Description : Which of the following statements about nerve growth factor is not true a. it is made up of 3 polypeptide subunits b. it is found in high concentration in the submaxillary salivery gland c. it is picked up by nerves from the organs they innervate d. it is present in brain
Last Answer : it is found in high concentration in the submaxillary salivery gland
Description : Which one of the following animals belongs to mollusca? (1) Haliotis (2) Hare (3) Hydra (4) Hyla
Last Answer : (2) Hare Explanation: Sea hares are molluscs. They belong to Phylum Mollusca and Class Gastropoda like snails. Like many other sea slugs (Subclass Opistobranchia), sea hares lack external shells as adults. Sea hares belong to Order Anaspidea.
Last Answer : Hare
Description : $ Neuron means a nerve cell. ! Neurons are found in the brain.
Last Answer : $ Neuron means a nerve cell. ! Neurons are found in the brain. A. If both As and R are correct and R ... , R is wrong D. If both As and R are wrong.
Description : Neuron is the name given to which special type of biological cell? a) a nerve cell b) a brain cell c) a skin cell
Last Answer : ANSWER: A -- A NERVE CELL
Description : How many animals in the given list have gills for respiration ? Earthworm , Frog, Fish, Insects, Reptiles, Aquatic arthropods, Flatworm, Molluscs, Bir
Last Answer : How many animals in the given list have gills for respiration ? Earthworm , Frog, Fish, Insects, Reptiles, ... A. Six B. Four C. Three D. Five
Description : In which of the following animals, is open circulatory system found? (1) Prawn (2) Earthworm (3) Toad (4) Man
Last Answer : (1) Prawn Explanation: The open circulatory system is a system in which fluid in a cavity called the hernocoel bathes the organs directly with oxygen and nutrients and there is no ... this combined fluid is called hemolyrnph or hemolymph. Arthropods and mollusks have an open circulatory system.
Description : Which of the following animals has a clitellum? (1) Millipede (2) Centipede (3) Earthworm (4) Ringworm
Last Answer : (3) Earthworm Explanation: A clitellum is part of a of the reproductive system of clitellates, a subgroup of annelids which contains oligochaetes (earthworms) and hirudineans (leeches). The clitellum is ... colored pigment. To form a cocoon for its eggs, the clitellum secretes a viscous fluid.
Description : Which one of the following animals is called farmer's friend - (1) Ant (2) Earthworm (3) Bee (4) Butterfly
Last Answer : (2) Earthworm Explanation: Earthworms travel underground by the means of waves of muscular contractions which alternately shorten and lengthen the body. The shortened part is anchored to the surrounding soil ... . They also work as biological "pistons" forcing air through the tunnels as they move.
Description : Which group of animals has heterogametic females? A. Domestic fowl (Answer) B. Earthworm C. Rabbit D. None
Last Answer : A. Domestic fowl (Answer)
Description : In which of the following animals post anal tail is found? (a) Earthworm (b) Lower invertebrates (c) Scorpion (d) Snake
Last Answer : (d) Snake
Description : Which of the following animals does not undergo metamorphosis? (a) Earthworm (b) Tunicate (c) Moth (d) Starfish
Last Answer : (a) Earthworm
Description : Which of the following animals does not undergo metamorphosis ? (1) Earthworm (2) Tunicate (3) Moth (4) Starfish
Last Answer : (1) Earthworm