Description : Water logging of soil makes it physiologically dry because (a) this condition does not allow the capillary force to work (b) this condition does not allow oxygen to enter the soil(c) both (a) and (b) (d) none of these
Last Answer : (b) this condition does not allow oxygen to enter the soil
Description : Physiologically active form of Phytochrome is (a) P730/Fr (b) P660/Pr (c) P700 (d) P680
Last Answer : Ans. ((a))
Description : The capillary rise of water (A) Depends upon the force responsible (B) Increases as the size of the soil particles increases (C) Decreases as the size of the soil particles decreases (D) Is less in wet soil than in dry soil
Last Answer : (A) Depends upon the force responsible
Description : ...... is a procedure that requires users to enter an identification code and a matchingpassword. 1) Paging 2) Logging on 3) Time-Sharing 4) Multitasking
Last Answer : 2) Logging on
Description : The antagonism between adrenaline and histamine is called ‘physiological antagonism’ because: A. Both are physiologically present in the body B. They act on physiological receptors C. Both affect many physiological processes D. They have opposite physiological effects
Last Answer : D. They have opposite physiological effects
Description : The water, retained by the soil in capillary pores (micropores), against gravity (-1/3 to - 31 bar) by the force of surface tension
Last Answer : Ans.Capillary water
Description : What is Polygamous condition and give two examples.
Last Answer : Ans: Polygamous condition is presence of male, female and bisexual flowers on the same plant. Ex: Mangifera, Polygonum
Description : Water cycle refers to (1) an integrated attempt to recycle water in relatively arid regions (2) constant movement of water from ocean to land and back to ocean once again (3) scientific management of water in areas excessively plagued with water-logging (4) water distribution in relatively dry areas
Last Answer : constant movement of water from ocean to land and back to ocean once again
Description : Sexual reproduction in Spirogyra is an advanced feature because it shows (a) different sizes of motile sex organs (b) same size of motile sex organs (c) morphologically different sex organs (d) physiologically differentiated sex organs
Last Answer : (d) physiologically differentiated sex organs.
Description : Pick up the correct statement from the following: (A) Sand consists of coarse particles of silica formed due to the disintegration of rocks (B) The grains of sand are not affected by frost (C) Sand ... and do not allow water to rise up between pores due to capillary action (D) All the above
Last Answer : Answer: Option D
Description : From the standpoint of safety, you should never allow salt water to enter a leadacid storage battery or come in contact with sulfuric acid because ______________. A. the resulting gas is ... peroxide D. combining salt water with lead-acid creates an invisible gas resulting in severe corrosion
Last Answer : Answer: B
Description : Eutrophication results in reduction of a) Dissolved nitrate b) Dissolved Oxygen c) Mineral salts d) Parasitic protozoa.
Last Answer : b) Dissolved Oxygen
Description : Carbon monoxide is pollutant as it a) Inactivates nerves b) Inhibits glycolysis c) Combines with oxygen d) Combines with haemoglobin.
Last Answer : d) Combines with haemoglobin.
Description : Woollens keep us warm in winter because they (a) produce more warmth (b) are good absorbers of heat (c) do not allow our body heat to escape (d) do not allow cool air to enter
Last Answer : Ans:(c)
Description : The principal cause of soil damage in Punjab and Haryana is (a) Deforestation (b) Soil erosion (c) Excessive cultivation (d) Salinity and water logging
Last Answer : Ans: (d)
Description : Which of the following indicates the types of soil erosion in decreasing order of damage caused In India (a) Ravine erosion .and gullies, alkalinity and salinity weeds and water-logging (b) Alkalinity ... and weeds (c) Water-logging, weeds, salinity and ravine erosion (d) All are equally damaging
Last Answer : Ans: (a)
Description : The remains of salt over the soil after evaporation of water is known as a. water logging b. salivation c. dehydration d. hydration
Last Answer : d. hydration
Description : The factor influencing process of flowerings is: (a) Amount of chlorophyll (b) Soil water (c) Soil pH (d) Photoperiod
Last Answer : Ans. ((d))
Description : Thermal algae can live in: (a) Saline soil (b) Hot water streams of 70°C (C) Deserts (d) Snow balls
Last Answer : Ans. ((b))
Description : Minerals in soil body come from a. Weathering of rocks b. Wind and water c. Rains d. Dead organic remains
Last Answer : a. Weathering of rocks
Description : Spraying of DDT produces pollution of a) Air b) Air and Water c) Air and Soil d) Air, Water and Soil.
Last Answer : d) Air, Water and Soil.
Description : Pudding is done to a) Reduce percolation of water b) Pulverise and levelling soil c) Kill weeds D) All of the above
Last Answer : D) All of the above
Description : The process by which nutrient chemicals or contaminants are dissolved and carried away by water, or are moved into a lower layer of soil a) Mulching b) Desertification c) Incineration d) Leaching
Last Answer : d) Leaching
Description : Carbon monoxide kills because it destroys a) Haemoglobin b) Phytochrome c) Cytochrome d) Both a and b.
Last Answer : a) Haemoglobin
Description : Which of the following parts of the nucleus makes ribosomes and RNA? a. Nuclear envelope b. Nucleolus c. Nucleoplasm d. Chromatin
Last Answer : b. Nucleolus
Description : When soil is exposed as a result of logging mining and farming what can it lead to?
Last Answer : It can lead to rapid soil erosion.
Description : Crop logging’ is the method of? a. Soil fertility evaluation b. Plan analyst for assessing requirements for nutrients for crop production c. Assessing crop damage d. Testing suitability of fertilizers e. None of these
Last Answer : e. None of these
Description : Soil salinity is measured by: (a) Potometer (b) Porometer (c) Conductivity meter (d) Calorimeter
Last Answer : Ans. ((c))
Description : Insectivorous plants grow in: (a) Nitrogen rich soil (b) Nitrogen deficient soil (c) Potassium deficient soil (d) Carbohydrate rich soil
Description : Seed treatment is done to control— a) Soil-borne disease b) Air-borne disease c) Seed-borne disease d) None of these
Last Answer : c) Seed-borne disease
Description : A low branch with a node is bent down and covered with soil in a) Marcotting b) Layering c)Cutting d) Budding
Last Answer : b) Layering
Description : Mycorrhizae is associated with the following a) Formation of root nodules b) Hyphae penetrating the soil c) Found mostly in lower plants d) Soil erosion
Last Answer : a) Formation of root nodules
Description : Herbicides are less effective on weeds under which of the soil condition a). Field capacity b). Saturated c). Both a and b d). Dry
Last Answer : d). Dry
Description : The field capacity of a soil depends upon a. Capillary tension in soil b. Porosity of soil c. Both (a) and (b) d. Neither (a) nor (b)
Last Answer : c. Both (a) and (b)
Description : I have windows 7 and I am locked out from logging in because my baby brother set up a random password as a prank help!
Last Answer : answer:Download Hirens Boot CD the password is www.9down.com. Burn it onto a CD. Then next time your computer starts press escape when it shows in the bottom left corner. enter the BIOS setup and set the boot ... the password, it doesn't work well on 7, just clear it.) If that doesn't work pm me.
Description : In certain parts of India, muscular dystrophy is commonly found amongst the poor people because they eat cheap pulse from the plant (a) Pisum satiuvm (b) Lathyrus sativus (c) Cicer arietmum (d) Phaseolus mungo
Description : The high yielding hybrid crop varieties to exploit hybrid vigour, the farmers need to Purchase fresh hybrid seed every year because: (a) Hybrid vigour is not long standing due to inbreeding ... (c) It is always associated with 4ncreased heterozygosity (d) Government has accepted Dunkel's proposals
Description : In spite of several angiospermic features Gnetum is a gymnosperm because…. a) polyembryony is a common features b) prothallial cell is present in the male gametophyte c) seed is naked d) stem exhibit anomalous secondary growth
Last Answer : c) seed is naked
Description : Bioherbicides have been recommended a) To prevent eco-degradation b) Because of their ready availability c) Because of their cheap rates d) Because of their abundance
Last Answer : a) To prevent eco-degradation
Description : Which of the following statement(s) is/are true concerning ischemia reperfusion injury? a. During ischemia, ATP degradation results in increased plasma and intracellular levels of ... immunization with antibodies to neutrophil adhesive complex lessen the ischemic/reperfusion microvascular injury
Last Answer : Answer: a, b, c, d During the ischemia and hypoperfusion phase, degradation of ATP stores essential to maintain cell integrity and significant loss of diffusible ... either the neutrophil adhesive complex or the endothelial selectins dramatically lessens ischemia/reperfusion microvascular injury
Description : The figure given below shows a small part of human lung where exchange of gases takes place. Select the option which represents labelled part (A, B, C or D) correctly identified along with its function. ... Exchange of O2 and CO2 takes place here (d) B : Red blood cells - Transport of CO2 mainly
Last Answer : (b) A : Alveolar cavity - Main site of exchange of respiratory gases
Description : What happens physiologically during the 'breaking the seal' phenomenon?
Last Answer : I would love to know the answer to this. Also: Why does it seem to happen with alcohol and water, but not soda (I drink Sprite Zero, so no caffeine or sugar)? At least, that’s my experience.
Description : Does playing sports affect women's body physiologically, for example, being flat-chested?
Last Answer : No, it doesn't at all. I was thinking that ladies can't play rugby because of their bodies until I met some playing it very well. All they do is protect their upper body( the breast) and the ... of playing has affected her physiologically. They always say, what a man can do a woman can do better.
Description : Physiologically urea is produced by the action of an enzyme
Last Answer : Physiologically urea is produced by the action of an enzyme A. Uricase B. Urease C. Arginase D. Rennin
Description : Physiologically the heart of cockroach is :
Last Answer : Physiologically the heart of cockroach is : A. Neurogenic B. myogenic C. Epigenic D. Agenic
Description : The physiologically active form of calcium is (A) Protein bond (B) Ionised (C) Complexed with citrate (D) Complexed with carbonate
Last Answer : Answer : B
Description : Urea is produced physiologically by the action of the enzyme: (A) Urease (B) Glutaminase (C) Arginase (D) None of these
Last Answer : Answer : C
Description : Physiologically active configuration of amino acids: (A) L (B) D (C) For some amino acids it is either of two (D) Neither L nor D
Last Answer : Answer : A
Description : Physiologically the cells are active and are synthesizing new protoplasm in which stage of the growth in bacteria a. Log phase b. Lag phase c. Stationary phase d. None of these
Last Answer : Ans: C