Description : Which one of the following categories of animals, is correctly described with no single exception in it? (a) All reptiles possess scales, have a three chambered heart and are cold blooded ( ... marine and have collared cells. (d) All mammals are viviparous and possess diaphragm for breathing.
Last Answer : (b) All bony fishes have four pairs of gills and an operculum on each side
Last Answer : (b) All bony fishes have four pairs of gills and an operculum on each side.
Description : Which one of the following pairs of animals are similar to each other pertaining to the feature stated against them? (a) Pteropus and - Viviparity Ornithorhynchus (b) Garden lizard and - ... - Metameric Ancylostoma segmentation (d) Sea horse and - Cold blooded flying fish (poikilothermal)
Last Answer : (d) Sea horse and - Cold blooded flying fish
Last Answer : (d) Sea horse and - Cold blooded flying fish (poikilothermal)
Description : Which of the following are poikilothermal animals with single occipital condyle and 12 pair of cranial nerves ?
Last Answer : Which of the following are poikilothermal animals with single occipital condyle and 12 pair of cranial ... Aves B. Reptiles C. Mammals D. Amphibia
Description : Which class of animals has four-chambered heart ?
Last Answer : The heart of mammals has four chambers.
Description : Assertion: A white precipitate is obtained when an aq solution of sodium thiosuphate is treated with `AgNO_(3)` solution and if the precipitate is hea
Last Answer : Assertion: A white precipitate is obtained when an aq solution of sodium thiosuphate is treated with ... I is not correct and Statement-II is correct
Description : One of the following is a very unique feature of the mammalian body (a) homeothermy (b) presence of diaphragm (c) four chambered heart (d) rib cage
Last Answer : (b) presence of diaphragm
Description : $ Those genes which are present on "Y" chromosomes of human beings are called holandric genes. ! Holandric genes are present both in men as well as wo
Last Answer : $ Those genes which are present on "Y" chromosomes of human beings are called holandric genes. ! Holandric ... wrong D. If both As and R are wrong.
Description : $ In case of human beings, the process of focusing of an object by the eyes is called dioptric part. ! Diatoms are a type of Nektons.
Last Answer : $ In case of human beings, the process of focusing of an object by the eyes is called dioptric part. ! ... is wrong D. If both As and R are wrong.
Description : $ Appearance of pubic hair in human beings indicates the onset of puberty. ! Pubis is a bone of the pelvic girdle of human beings.
Last Answer : $ Appearance of pubic hair in human beings indicates the onset of puberty. ! Pubis is a bone of the pelvic ... is wrong D. If both As and R are wrong.
Description : $ Air pollutants are always gaseous. ! Ultraviolet rays do not cause any harm to the human beings.
Last Answer : $ Air pollutants are always gaseous. ! Ultraviolet rays do not cause any harm to the human beings. A. If ... is wrong D. If both As and R are wrong.
Description : $ Secondary host of Taenia solium is pig. ! Malarial parasite completes its life cycle in the blood of human beings alone.
Last Answer : $ Secondary host of Taenia solium is pig. ! Malarial parasite completes its life cycle in the blood of human ... wrong D. If both As and R are wrong.
Description : Which of the following pairs are correctly matched? Animals Morphological features (i) Crocodile – 4-chambered heart (ii) Sea urchin – Parapodia (iii)Obelia – Metagenesis (iv) Lemur – Thecodont (a) (ii), (iii) and (iv) (b) only (i) and (iv) (c) only (i) and (ii) (d) (i), (iii) and (iv)
Last Answer : (d) (i), (iii) and (iv)
Description : Which one of the following groups of animals is correctly matched with its characteristic feature without any exception? (a) Reptilia : possess 3-chambered heart with an incompletely divided ... ) Chondrichthyes : possess cartilaginous endo- skeleton (d) Mammalia : give birth to young ones
Last Answer : (c) Chondrichthyes : possess cartilaginous endo- skeleton
Description : Which of the following characteristic features always holds true for the corresponding group of animals? (a) Possess a mouth with an Chordata upper and a lower jaw (b) 3- ... heart with Reptilia one incompletely divided ventricle (c) Cartilaginous endoskeleton Chondrichthyes (d) Viviparous
Last Answer : (c) Cartilaginous endoskeleton
Description : When temperature difference between liquid and its surroundings is doubled, the rate of loss of heat will: (1) remain same (2) double (3) three times (4) four times
Last Answer : (2) double Explanation: According to Newton's law of cooling, the rate of loss of heat of a body is directly proportional to the difference between the temperature of hot body and temperature of the surroundings, provided that the difference in temperature is small enough.
Last Answer : double
Description : In which of the following reptiles, a four- chambered heart is present ?
Last Answer : In which of the following reptiles, a four- chambered heart is present ? A. Lizards B. Snake C. Scorpion D. Crocodile
Description : Pneumatic bones, four chambered heart and feathers occur in
Last Answer : Pneumatic bones, four chambered heart and feathers occur in A. Cyclostmata B. Aves C. Mammilia D. Reptilia
Description : Is there any relationship between warm blooded conditions and four chambered heart?
Last Answer : One of the major evolutionary adaptations that allowed animals to become warm-blooded was the formation of the four-chambered heart. Four chambers mean no mixing of deoxygenated and oxygenated blood, and thus, more oxygen gets to the tissues.
Description : A reptile with a four-chambered heart is-------? A. Snake B. Turtle C. Lizard D. Crocodile (Answer)
Last Answer : D. Crocodile (Answer)
Description : Which one of the following characteristics is common both in humans and adult frogs? (a) Four chambered heart (b) Internal fertilisation (c) Nucleated RBCs (d) Ureotelic mode of excretion
Last Answer : (c) Nucleated RBCs
Description : Consider the following four statements (A-D) related to the common frog Rana tigrina, and select the correct option stating which ones are true (T) and which ones are false (F). Statements: A. On dry land it would die due to lack of O2 if ... C D (a) T F F T (b) T T F F (c) F F T T (d) F T T F
Last Answer : (a) T F F T
Description : Which one of the following in birds, indicates their reptilian ancestry? (a) Two special chambers crop and gizzard in their digestive tract (b) Eggs with a calcareous shell (c) Scales on their hind limbs (d) Four-chambered heart
Last Answer : (c) Scales on their hind limbs
Description : What is the study of the relation of animals and plants to their’ surroundings called? -Do You Know?
Last Answer : answer:
Description : What is the study of the relation of animals and plants to their’ surroundings called?
Last Answer : Ecology
Description : The study of relation of animals and plants to their surroundings is called ________ (1) Ecology (2) Ethrology (3) Genealogy (4) Iconology
Description : Rate of cooling depends on the (1) Temperature difference between the body and the surroundings (2) Nature of the radiating surface (3) Area of the radiating surface (4) All of these
Last Answer : (4) All of these Explanation: Newton's Law of Cooling states that the rate of temperature of the body is proportional to the difference between the temperature of the body and that of the ... Specific heat of the radiating body; Temperature of radiating body and ♦ Temperature of the surrounding.
Description : Which law states, “The rate of loss of heat by a body is directly proportional to the difference in temperature between the body and the surroundings.” (1) Doppler’s Effect (2) Newton’s law of cooling (3) Kirchhoff’s Law (4) Stefan’s Law
Last Answer : (2) Newton’s law of cooling Explanation: Kirchhoff’s Law – Kirchhoff’s Law signifies that good absorbers are good emitters. Stefan’s Law – The radiant energy emitted by a black body per unit area per unit time is directly proportional to the fourth power of its absolute temperature.
Description : Which law states, "The rate of loss of heat by a body is directly proportional to the difference in temperature between the body and the surroundings." (1) Doppler's Effect (2) Newton's law of cooling (3) Kirchhoff's Law (4) Stefan's Law
Last Answer : (2) Newton's law of cooling Explanation: Kirchhoff's Law - Kirchhoff's Law signifies that good absorbers are good emitters. Stefan's Law - The radiant energy emitted by a black body per unit area per unit time is directly proportional to the fourth power of its absolute temperature.
Description : Which law states, "The rate of loss of heat by a body is directly proportional to the difference in temperature between the body and the surroundings"? (1) Doppler's Effect (2) Newton's law of cooling (3) Kirchhoff's Law (4) Stefan's Law
Last Answer : (2) Newton's law of cooling Explanation: Newton's Law of Cooling states that the rate of change of the temperature of an object is proportional to the difference between its own temperature and the ambient temperature.
Description : For a body cooling in a draft, the rate of heat loss is proportional to the difference in temperature between the body and its surroundings. a. Nemst Effect b. Caloric Theory c. Joule’s Law d. Newton’s Law of Cooling
Last Answer : Newton’s Law of Cooling
Last Answer : All of these
Description : Stripes on the back of the animals are the indication of (a) Mating habit (b) Food habit (c) Cave dwelling (d) Matching of skin colour with surroundings
Last Answer : Ans:(d)
Description : According to Gay-Lussac law, the absolute pressure of a given mass of a perfect gas varies __________ as its absolute temperature, when the volume remains constant. A. directly B. indirectly
Last Answer : Answer: A
Description : According to Gay-Lussac law for a perfect gas, the absolute pressure of given mass varies directly as (a) temperature (b) absolute (c) absolute temperature, if volume is kept constant ... , if temperature is kept constant (e) remains constant,if volume and temperature are kept constant.
Last Answer : Answer : c
Description : Beings from four phyla of the animal kingdom “breath” (do gas exchange) by diffusion. Which are those phyla? How is this type of respiration associated to features present in those animals?
Last Answer : The phyla of the animal kingdom whose beings do gas exchange by diffusion are the poriferans, the cnidarians, the platyelminthes (flatworms) and the nematodes (roundworms). This type of respiration in these beings is possible because their tissues and cells are relatively close to the exterior.
Description : Imagine every human being since the dawn of human beings had your brain. Civilization advances only as far as your ability to figure things out, and all of society is built according to your sensibilities. What would the world be like?
Last Answer : It would be a miracle if we even discovered fire.
Description : Which one of the following is not correct in respect of the Theory X? (A) It emphasizes that most average human beings avoid to be led, want to lead (B) According to the theory X ... achieve organizational goals (D) The theory X assumes that most individuals have little ambition and want security
Last Answer : Answer: It emphasizes that most average human beings avoid to be led, want to lead
Description : 20.According to CPCB, Which size of dust particles in air pollution are harmful to human beings a) 0.25 micrometers b) 2.5 micrometers c) Less than 2.5 d) Both b and c
Last Answer : d) Both b and c
Description : According to the passage, human beings have mostly in mind (A) Observation of things (B) Preparation of mental images (C) Expression through language (D) To gain knowledge
Last Answer : (C) Expression through language
Description : The normal body temperature of human beings is
Last Answer : 98.6 °F
Description : Hypothermia occurs due to loss of excessive heat from body due to sudden low body temperature in: (1) Frogs (2) Human beings (3) Lizards (4) Snakes
Last Answer : (2) Human beings Explanation: Normal human body temperature in adults is 34.4-37.8 °C. Sometimes a narrower range is stated, such as 36.5-37.5 °C. Hypothermia is defined as any body temperature below 35.0 °C.
Description : The normal body temperature of human beings is - (1) 96.4 °F (2) 97.4 °F (3) 98.4 °F (4) 99.4 °F
Last Answer : (3) 98.4 °F' Explanation: The normal core body temperature of a healthy, resting adult human being is stated to be at 98.6 degrees fahrenheit or 37.0 degrees celsius. Though the body ... the higher the normal body temperature or the slower the metabolic rate the lower the normal body temperature.
Last Answer : Human beings
Description : The normal body temperature of human beings is (1) 96.4 °F (2) 97.4 °F (3) 98.4 °F (4) 99.4 °F
Last Answer : 98.4 °F
Description : What do you think is the emotion that joins up all human beings on Earth? (I'm not going to talk about animals)
Last Answer : Not love. Fear. That’s what motivates people.
Description : Is it morally acceptable to experiment on non-human animals to develop products and medicines that benefit human beings?
Last Answer : Sure. Why not?