Description : In which of the following animals nerve cell is present but brain is absent? (a) Sponge (b) Earthworm (c) Cockroach (d) Hydra
Last Answer : (d) Hydra
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 : 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 : Assertion:- All eukaryotic cells are not identical. Reason:- Centrioles are found in animal cells, absent in almost all plant cell.
Last Answer : Assertion:- All eukaryotic cells are not identical. Reason:- Centrioles are found in animal cells, absent ... D. If both Assertion & Reason are false.
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 : Pick up the wrong statement. (a) Some fungi are edible. (b) Nuclear membrane is present in Monera. (c) Cell wall is absent in Animalia. (d) Protists have photosynthetic and heterotrophic modes of nutrition.
Last Answer : (b) Nuclear membrane is present in Monera.
Description : Doll's head phenomenon: a. refers to movement of the eyes in a direction opposite to which the head is suddenly moved b. elicits both horizontal and vertical vestibuloocular reflexes c. is absent in patients with brain stem death d. all above
Last Answer : all above
Description : The Bell's phenomenon: a. occurs during normal blinking b. if absent suggests brain stem disease c. is absent in Bell's palsy d. is reduced or absent in patients with thyroid orbitopathy
Last Answer : is reduced or absent in patients with thyroid orbitopathy
Description : The following are true about blood-brain barrier: a. it is permeable at birth b. it involves tight junction between endothelial cells and end feet processes of astrocytes c. it is absent in the posterior pituitary d. all above
Description : In Argyll-Robertson's pupils: a. the pupils are irregular b. iris atrophy are common c. there are absent tendon reflexes d. the lesion is in the mid-brain
Last Answer : the pupils are irregular
Description : Which is the only phylum in the animal kingdom without any nerve cell ?
Last Answer : Which is the only phylum in the animal kingdom without any nerve cell ? A. Porifera B. Coelenterata C. Annelida D. Eumetazoa
Description : Whcih of the following compound is present in RNA but absent from DNA? (A) Thymine (B) Cytosine (C) Uracil (D) Guanine
Last Answer : Answer : C
Description : What is correct for blood group O? (a) No antigens but both a and b antibodies are present. (b) A antigen and b antibody present. (c) Antigen and antibody both absent. (d) A and B antigens and a, b antibodies present.
Last Answer : (a) No antigens but both a and b antibodies are present.
Description : In a neutral solution (A) H+ions are absent (B) OH ions are absent (C) Both H+ and OH ions are present in very small but equal concentration (D) None of these
Last Answer : (C) Both H+ and OH ions are present in very small but equal concentration
Description : Fundic part of stomach is (a) Present in rabbit but absent in frog (b) Absent in rabbit but present in frog (c) Absent in both (d) Present in both
Last Answer : (a) Present in rabbit but absent in frog
Description : Which phenomenon is present in thyristors but absent in BJT, MOSFET and IGBT ? (A) forward conduction (B) latching (C) forward blocking (D) reverse breakdown
Last Answer : Which phenomenon is present in thyristors but absent in BJT, MOSFET and IGBT ? (A) forward conduction (B) latching (C) forward blocking (D) reverse breakdown
Description : Which one of the following is a matching pair of a body feature and the animal possessing it? (a) Ventral central – Leech nervous system (b) Pharyngeal gill slits – Chamaeleon absent in embryo (c) Ventral heart – Scorpion (d) Post-anal tail – Octopus
Last Answer : (a) Ventral central – Leech nervous system
Description : If we were to get rid of the hormones within us and electrical nerve impulses of the brain, we would pretty much achieve zombie state, am I right?
Last Answer : Aren’t Zombies dead humans? We’d have to die first, no? Anyway, if we achieved zombie status, we wouldn’t know we’re in paradise so I vote no.
Description : How do signals from nerve endings retain information about their origins as they travel to the brain?
Last Answer : Harp. The answer is in the later part of your question. Each nerve has a dedicated line of transmission from the periphery to the brain. The signals travel fast owing to the fact that ... nerve ultimately signals to a specific part of the brain, which allows you to discriminate various sensations.
Description : How many nerve cells are destroyed and brain power is lost ?
Last Answer : When one-fourth of the nerve cells are destroyed, the capacity of the brain starts to decline.
Description : What is the number of nerve cells in the brain ?
Last Answer : 10000 million
Last Answer : The number of nerve cells in the brain is 10000 million
Description : What As they extend from the retina to the brain the nerve fibers?
Last Answer : Need answer
Description : What is specialized nerve cells in the brain are called?
Last Answer : Feel Free to Answer
Description : Which nerve carries impulses from the eye to the brain?
Last Answer : The optic nerve
Description : The following cranial nerves contain parasympathetic outflow arising at the brain stem: a. optic nerve b. oculomotor nerve c. trigeminal nerve d. facial nerve
Last Answer : facial nerve
Description : The pain sensation a. arises from stimulation of free nerve endings b. is transmitted to the central nervous system by unmyelinated C fibres c. is transmitted to the brain via the spinothalamic tracts d. all above
Description : The pain sensation a. arises from stimulation of free nerve endings b. is transmitted to the central nervous system by unmyelinated C fibres c. is transmitted to the brain via the ... d. is reduced by local anaesthetics through reduction of the potassium influx into the nerve fibres
Last Answer : is transmitted to the brain via the spinothalamic tracts
Description : True statement about the facial nerve include: a its nucleus is in the floor of the fourth ventricle b. its fibres reach the surface of the brain in the cerebellopontine angle c. transmits taste fibres for the anterior half of the tongue d. all above
Description : A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro- hormonal control system? ... brain. (d) Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal cortex.
Last Answer : (a) Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal medulla.
Description : Methyldopa lowers BP by: A. Inhibiting dopa decarboxylase in adrenergic nerve endings B. Generating α-methyl noradrenaline in brain which reduces sympathetic tone C. Generating α-methyl ... as a false transmitter in peripheral adrenergic nerve endings D. Activating vascular dopamine receptors
Last Answer : B. Generating α-methyl noradrenaline in brain which reduces sympathetic tone
Description : A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro-hormonal control system ? (1 ... across the cleft and transmit a nerve impulse (4) Hypothalamus activates the parasympathetic division of brain
Last Answer : (2) Sympathetic nervous system is activated releasing epinephrin and norepinephrin from adrenal medulla
Description : What is the figure of speech in which a person or a thing present or absent is directly addressed?
Last Answer : What is the answer ?
Description : Which of the following statements is correct? (A) a nucleo protein usually contain deoxy sugars of the hexose type (B) Nucleoproteins are usually absent from the cytoplasm (C) Nucleoproteins usually are present in the nucleus only (D) Nucleoproteins usually occur in the nucleus and cytoplasm
Last Answer : Answer : D
Description : In hemolytic jaundice, bilirubin in urine is (A) Usually absent (B) Usually present (C) Increased very much (D) Very low
Last Answer : Answer : A
Description : In obstructive jaundice, urinary bilirubin is (A) Absent (B) Increased (C) Present (D) Present in small amount
Last Answer : Answer : B
Description : In hemolytic jaundice, the urinary bilirubin is (A) Normal (B) Absent (C) More than normal (D) Small amount is present
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
Description : Bile pigments are present and urobilinogen absent in urine in (A) Haemolytic jaundice (B) Hepatocellular jaundice (C) Obstructive jaundice (D) Crigler-Najjar syndrome
Description : The subphylum in which notochord is present only in the tail region of the larvae and absent in adults is
Last Answer : Urochordata.
Description : Which one of the following statements is totally wrong about the occurrence of notochord, while the other three are correct? (a) It is present only in larval tail in ascidian. (b) It is ... absent throughout life in humans from the very beginning. (d) It is present throughout life in Amphioxus.
Last Answer : (c) It is absent throughout life in humans from the very beginning.
Description : In Pinus plant, stomata are a. Sunken b. Bulged out c. Absent d. Rarely present
Last Answer : a. Sunken
Description : Select the answer with correct matching of the structure, its location and function. Structure Location Function (a) Eustachian Anterior Equalizes air tube part of pressure on internal ear either sides ... the place Rods and cones where optic are present but nerve leaves inactive here the eye
Last Answer : (c) Hypothal Forebrain Controls body -amus temperature, urge for eating and drinking
Description : In mammalian eye, the ‘fovea’ is the center of the visual field, where (a) only rods are present (b) more rods than cones are found (c) high density of cones occur, but has no rods (d) the optic nerve leaves the eye.
Last Answer : (c) high density of cones occur, but has no rods
Description : Which one of the following animals is correctly matched with its one characteristic and the taxon? Animal Characteristic Taxon (a) Millipede Ventral nerve Arachnida cord (b) Sea anemone ... Cnidaria (c) Silver fish Pectoral and Chordata pelvic fins (d) Duckbilled Oviparous Mammalia platypus
Last Answer : (d) Duckbilled Oviparous Mammalia platypus