Consider the following four statements (1-4) about
certain desert animals such as kangaroo, rat.
(1) They have dark colour and high rate of
reproduction and excrete solid urine.
(2) They do not drink water, breathe at a slow rate
to conserve water and have their body covered
with thick hairs.
(3) They feed on dry seeds and do not require
drinking water.
(4) They excrete very concentrated urine and do
not use water to regulate body temperature.

1 Answer

Answer :

(c) 3 and 4

Related questions

Description : Which are true about the following statements about kangaroo rats (a) They have dark colour, high rate of reproduction and excrete solide urine (b) Th

Last Answer : Which are true about the following statements about kangaroo rats (a) They have dark colour, high rate of reproduction ... b C. c and d D. b and c

Description : Which are true about the following statements about kangaroo rats (a) They have dark colour, high rate of reproduction and excrete solide urine (b) Th

Last Answer : Which are true about the following statements about kangaroo rats (a) They have dark colour, high rate of ... ) and (iv) D. (ii) and (iii)

Description : Kangaroo and desert rat that live in conditions of water scarcity are capable of meeting all their water requirements by

Last Answer : Kangaroo and desert rat that live in conditions of water scarcity are capable of meeting all their water requirements by

Description : The characteristics of Class Reptilia are (a) body covered with moist skin which is devoid of scales, the ear is represented by a tympanum, alimentary canal, urinary and reproductive tracts open into ... dry and cornified skin, scales over the body are epidermal, they do not have external ears.

Last Answer : (d) body covered with dry and cornified skin, scales over the body are epidermal, they do not have external ears.

Description : The characteristics of Class Reptilia are (a) body covered with moist skin which is devoid of scales, the ear is represented by a tympanum, alimentary canal, urinary and reproductive tracts open into ... dry and cornified skin, scales over the body are epidermal, they do not have external ears.

Last Answer : (d) body covered with dry and cornified skin, scales over the body are epidermal, they do not have external ears.

Description : Name the animal which can do without water in its entire life? A. Desert lizard B. Camel C. Kangaroo rat (Answer) D. Cuttlefish

Last Answer : C. Kangaroo rat (Answer)

Description : Consider the following four conditions (1 - 4) and select a correct pair of them as adaptations to environment in desert lizards. Conditions: 1. Burrowing in soil to escape high temperature. 2. Losing heat rapidly from the body during ... to thick fatty dermis. (a) 3, 4 (b) 1, 3 (c) 2, 4 (d) 1, 2

Last Answer : (b) 1, 3

Description : Which is false regarding freshwater fish? a) their blood is hypertonic to their environment b) they often actively take up salt c) they excrete urine hypotonic to the blood d) their gills actively excrete salts

Last Answer : ANSWER: D -- THEIR GILLS ACTIVELY EXCRETE SALTS

Description : Is drinking Emergen-C vitamin drink mix going to help me breathe better?

Last Answer : Why do you say it's not COVID? You can have covid and have no symptoms at all. You can have one symptom, two, three C is not going to help you breath better. A little C isn't a ... to think their children are being overly dramatic. If you really can't breathe well I think tell your parents again.

Description : The nurse recognizes which of the following signs as typical of the patient in shock? a) Rapid, weak, thready pulse Pulse increases as the body tries to compensate. b) Flushed face Pallor is ... urine output Usually, a low blood pressure and concentrated urine are observed in the patient in shock.

Last Answer : a) Rapid, weak, thready pulse Pulse increases as the body tries to compensate.

Description : Pick out the correct statement. (A) Reaction of NH3 with HNO3 to produce (NH4 )2NO3 is endothermic (B) With increase in NH3 /CO2 ratio, urea yield decreases for a given temperature, pressure and total ... (an intermediate during urea manufacture) is toxic to seeds and animals (D) Both (B) and (C)

Last Answer : (B) With increase in NH3 /CO2 ratio, urea yield decreases for a given temperature, pressure and total feed rate

Description : Which of the following statements are true? 1. Cytokinins promote stomatal opening 2. Sprays of indole -3 acetic acid can inhibit premature fruit fall 3. The growth movements caused by a unilateral stimulus are known as nastic movements 4. The ... 4 (b) 2 and 4 (c) 1, 2, and 4 (d) 1, 2, 3, and 4

Last Answer : Ans:(a)

Description : How fast can a kangaroo rat run?

Last Answer : It can jump 42 times its body length. Who needs running? average kangaroo rat can get up to nine feet so, do the math.

Description : Pick out the correct statement. (A) Higher is the temperature of the radiating body, higher is the wavelength of radiation (B) Logarithmic mean area is used for calculating the heat flow rate ... ) Solid angle subtended by the finite surface at the radiating element is called the angle of incidence

Last Answer : (B) Logarithmic mean area is used for calculating the heat flow rate through a thick walled cylinder

Description : The seeds of certain plants fail to germinate if they do not pass through the digestive tract of fruit-eating birds. This is due to - (1) hibernation (2) seed coat impermeability (3) infertility (4) vegetative reproduction

Last Answer : (2) seed coat impermeability Explanation: A dormant seed is one that is unable to germinate in a specified period of time under a combination of environmental factors that are ... to prevent germination during unsuitable ecological conditions, but the probability of seedling survival is low.

Description : The seeds of certain plants fail to germinate if they do not pass through the digestive tract of fruit-eating birds. This is due to (1) hibernation (2) seed coat impermeability (3) infertility (4) vegetative reproduction 

Last Answer : seed coat impermeability

Description : Why do camels concentrated urine and dry faces?

Last Answer : Need answer

Description : Which one of the following statements is false in respect of viability of mammalian sperm? (a) Sperm is viable for only up to 24 hours. (b) Survival of sperm depends on the pH of the ... ) Viability of sperm is determined by its motility. (d) Sperms must be concentrated in a thick suspension.

Last Answer : (a) Sperm is viable for only up to 24 hours.

Description : 70. Which one of the following statements is false in respect of viability of mammalian sperm ? (1) Sperms must be concentrated in a thick suspension (2) Sperm is viable for only up to 24 hours ... the medium and is more active in alkaline medium (4) Viability of sperm is determined by its motility

Last Answer : Sperm is viable for only up to 24 hours

Description : How much paint do you have to drink, to believe that drinking your own urine is a viable cure for Covid?

Last Answer : I heard that some anti-vaxxers in the Northern states started eating yellow snow, to combat stupidity.

Description : Animals which excrete large amount of ammonia are

Last Answer : Animals which excrete large amount of ammonia are A. Terrestrial B. Amphibians C. Egg laying D. Aquatic

Description : Economy of a multiple effect evaporator is not influenced much by the (A) Boiling point elevations (B) Temperature of the feed (C) Rate of heat transfer (D) Ratio of the weight of the thin liquor to thick liquor

Last Answer : (A) Boiling point elevations

Description : Three of the following statements about enzymes are correct and one is wrong. Which one is wrong? (a) Enzymes require optimum pH for maximal activity. (b) Enzymes are denatured at high temperature but ... - 90°C. (c) Enzymes are highly specific. (d) Most enzymes are proteins but some are lipids.

Last Answer : (d) Most enzymes are proteins but some are lipids.

Description : Consider the following statements: 1. The boundaries of a National Park are defined by legislation. 2. A Biosphere Reserve is declared to conserve a few specific species of flora and fauna. 3. In a Wildlife Sanctuary, limited biotic ... ) 1 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3

Last Answer : Ans: (c)

Description : When the nurse observes the patient's urine to be orange, she further assesses the patient for a) intake of medication such as phenytoin (Dilantin). Urine that is orange may be caused by intake ... white urine may indicate infection, pyruria, or in the female patient, the use of vaginal creams.

Last Answer : a) intake of medication such as phenytoin (Dilantin). Urine that is orange may be caused by intake of Dilantin or other medications. Orange to amber colored urine may also indicate concentrated urine due to dehydration or fever.

Description : In which one of the following sets of animals do all the four give birth to young ones? (a) Kangaroo, hedgehog, dolphin, Loris (b) Lion, bat, whale, ostrich (c) Platypus, penguin, bat, hippopotamus (d) Shrew, bat, cat, kiwi

Last Answer : (a) Kangaroo, hedgehog, dolphin, Loris

Description : If boiling water is poured into a thick drinking glass as well as a very thin wine glass, of the two, which is more likely to crack? -Riddles

Last Answer : The thick glass is more likely to crack since glass is a poor conductor of heat. In a thin glass, the heat passes more quickly from the glass into the surrounding air, causing the glass to expand ... but the outer surface does not. It is this extreme stress on the glass that causes it to crack.

Description : Study the following statements: 1. Tea plants thrive best in alkaline soils with rainfall above 150 cm and temperature between 20 - 30°C 2. The most important stimulant both in tea and coffee is caffeine 3. Wine, a popular alcoholic drink ... true? (a) 1, 3, and 4 (b) 2 and 4 (c) 1 and 4 (d) Only 2

Last Answer : Ans:(a)

Description : Assertion `:-` Human kidneys can produce urine nearly four times concentrated than the initial filtrate formed. Reason `:-` Counter current mechanism

Last Answer : Assertion `:-` Human kidneys can produce urine nearly four times concentrated than the initial filtrate ... D. If both Assertion & Reason are false.

Description : Which one of the following groups of organisms is thermophilic in that they can tolerate and grow at fairly high temperatures? (a) Certain bacteria and blue-green algae (b) Loris, rhesus monkey and red kangaroo (c) Llamas, camels and yaks (d) Bison, musk-ox and racoon

Last Answer : Ans:(a)

Description : I think I drink enough, I'm not thirsty. I drink about 1.5 liters a day. But I have a lot of yellow urine. What can it be? I am sick?

Last Answer : I drink about 1.5 liters a day. That seems quite small to me. When I drink about 1.5 liters a day, I have a dark yellow one too. It hasn't happened to me since I drank around 3 liters / ... urine is colorless. PS: And then it happens that it's very yellow when someone takes a B-complex, for example.

Description : When medical science cures aging, how should we regulate reproduction?

Last Answer : Historically someone starts a war and we kill each other until there is enough room for the next couple generations.

Description : What and a system of glands that regulate metabolism and reproduction and other functions?

Last Answer : The Endocrine System.

Description : In the more highly developed animals, such as humans this gas is used to regulate the activity of the heart, the blood vessels, and the respiratory system. WORKING MUSCLES PRODUCE A ... mental disturbances which can include confusion, headache, low blood pressure and hypothermia. Name this gas.

Last Answer : ANSWER: Carbon Dioxide or CO2 

Description : Which of the following programs sponsored by central government aims at enabling the rural population to conserve water for drinking, -Geography

Last Answer : Correct answer is (b) Haryali

Description : Both animals and plants require energy to perform their daily life functions. Animals generally consume food and drink water through their mouths to gain energy. Which plant structure most similarly serves the function of a mouth?

Last Answer : ffghuhgdsertyuio

Description : 'Corms & seeds are seeds with - (1) Long hairs (2) Wings (3) Bristles (4) Hooks

Last Answer : (1) Long hairs Explanation: The word ‘comose' means taily in Latin. It refers to certain seeds (such as cotton) having a tuft or tufts of hair. The seeds of plants like Calotropis, Gossypium, etc, possess a large number of hairs which enable them to float in air. Such seeds are described as comose.

Description : Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should ... to get the same for dry grinding. (A) 1.0 (B) 0.5 (C) 1.34 (D) 4.34

Last Answer : (C) 1.34

Description : “In certain situations, drinking a warm or hot drink helps to cool you down more than an ice cold drink would.” 

Last Answer : One of the best ways for your body to cool down is by sweating. So if you are sitting in a hot office room, a hot drink might actually cool you down more effectively than an ice cold drink, ... a run), then the hot drink wouldn't make much difference, and you could probably do with something cold!

Description : During a slow decompression, passengers will occur: a. The cabin temperature will fall as pressure reduces b. Body cavities (sinuses, ears, etc.) will become pressurised and may require assistance in ... will operate d. No contra effects, as slow decompression has no effect on the human body

Last Answer : b. Body cavities (sinuses, ears, etc.) will become pressurised and may require assistance in venting

Description : During photosynthesis a plant uses energy from the sun to break apart glucose water and carbon dioxide. These molecules are used to make sugar to feed the plant and the plant then releases a by-product oxygen that humans breathe. this example shows that?

Last Answer : energy is not created but transferred to different forms (apex gang ;)

Description : The advantage of backward feed multiple effect evaporators over forward feed units is that (A) Heat sensitive material can be handled (B) There is no additional cost of pumping ... liquid is at highest temperature (D) Equal heat transfer co-efficients exist in various effects

Last Answer : (C) Most concentrated liquid is at highest temperature

Description : Which one of the following statements is fully correct? (A) Hormones are needed in the diet (B) Hormones can be elaborated only by endocrine glands (C) All the hormones enter the ... (D) Hormones are substance synthesized in the body in small quantities and control and regulate metabolic events

Last Answer : Answer : D

Description : Identify the likely organisms (1), (2), (3) and (4) in the food web shown below. Hawks Snakes Lion Foxes Garden lizard Grass- (4) Sparrow hopper Vegetation seeds (2) Owls Mice (1) (3) (1) ( ... a) Deer Rabbit Frog Rat (b) Dog Squirrel Bat Deer (c) Rat Dog Tortoise Crow (d) Squirrel Cat Rat Pigeon

Last Answer : (a) Deer Rabbit Frog Rat

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 : Select the correct statement about biodiversity. (a) The desert areas of Rajasthan and Gujarat have a very high level of desert animal species as well as numerous rare animals. (b) Large scale ... and endemism. (d) Conservation of biodiversity is just a fad pursued by the developed countries.

Last Answer : (c) Western ghats have a very high degree of species richness and endemism.

Description : Which one of the following processes during decomposition is correctly described? (a) Catabolism - Last step in the decomposition under fully anaerobic condition (b) Leaching - Water soluble inorganic ... of a dark coloured substance humus which undergoes microbial action at a very fast rate.

Last Answer : (c) Fragmentation – Carried out by organisms such as earthworm