InterviewSolution
Saved Bookmarks
InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 401. |
Sleep movement Papaya/Balsam isA. Autonomic movementB. Growth movementC. Tropic movementD. Movement of locomotion |
| Answer» Correct Answer - B | |
| 402. |
Goblet cells areA. Unicellular glandsB. Multicellular glandsC. Stratified epitheliumD. Dead keratinised cells |
| Answer» Correct Answer - A | |
| 403. |
Heparin is secreted byA. KidneyB. Blood cellsC. Never cellsD. Liver |
| Answer» Correct Answer - D | |
| 404. |
Direction of nerve impulse is reversed in nerve withA. Axo -axonicB. Axo-dendriteC. Axo -axondendriticD. None of the above |
| Answer» Correct Answer - A | |
| 405. |
The loudness of a sound that a person can withstand without discomfort is aboutA. 150 dbB. 215 dbC. 30 dbD. 80 db. |
| Answer» Correct Answer - D | |
| 406. |
The major source of noise pollution, worldwide is due toA. office equipmentB. transport systemC. sugar, textile and paper industriesD. oil refineries and thermal power plants. |
| Answer» Correct Answer - B | |
| 407. |
Match correctly the following and choose the correct option. `{:("Environment Protection Act ", "A, 1974"),("Air prevention and control of Pollution Act", "B. 1987"), ("Water Act", "C. 1986"), ("Amendment of Air Act to include noise", "D. 1981"):}` The correct match isA. A-(iii), B-(iv), C-(i), D-(ii)B. A-(i), B-(iii), C-(ii), D-(iv)C. A-(iv), B-(i), C-(ii), D-(iii)D. A-(iii), B-(iv), C-(ii), D-(i). |
| Answer» Correct Answer - A | |
| 408. |
Match correctly the following and choose the correct option. `{:("Environment Protection Act ", "A, 1974"),("Air prevention and control of Pollution Act", "B. 1987"), ("Water Act", "C. 1986"), ("Amendment of Air Act to include noise", "D. 1981"):}` The correct match isA. `{:(A,B,C,D),(3,4,1,2):}`B. `{:(A,B,C,D),(1,3,2,1):}`C. `{:(A,B,C,D),(4,1,2,3):}`D. |
|
Answer» Correct Answer - `{:(A,B,C,D),(3,4,2,1):}` Environment Protection Act came into force on November 1986 , at the birth anniversary of late Prime Minister of India Smt. India Gandhi. Air prevention and central of pollution Act came into force in 1981 which is meant for the preservation of qulity air. Water Act 1974 is meant for restoration of quality of all type of surface and ground water. In 1987 Amendment of Air to include noise came into existance (force). |
|
| 409. |
The major source of noise pollution, world wide is due to:A. Transport systemB. Oil refineries and thermal power plantsC. Sugar, textile and paper industriesD. Office equipment |
| Answer» Correct Answer - A | |
| 410. |
The major source of noise pollution, world wide is due to:A. office equipmentB. transport systemC. sugar, textile and paper industriesD. oil refineries and thermal power plants |
| Answer» Correct Answer - B | |
| 411. |
The major source of noise pollution, world wide is due to:A. office equipmentB. transport systemC. suger, textile and paper industriesD. oil refineries and thermal power plants |
| Answer» The major source of noise pollution, worldwide is transport system i.e., transport vehicles (both public and private). Whereas all machines noise producing) wheather, agricultural or engine of motor, vehicle and machine employed in varous industries like textile, printing, suger, engineering and agrcultural implements are also sources of pollution. | |
| 412. |
The loudness of a sound that a person can withstand without discomfort is aboutA. 30 dBB. 80 dBC. 150 dBD. 215 dB |
| Answer» Correct Answer - B | |
| 413. |
The loudness of a sound that a person can withstand without discomfort is aboutA. `15dB`B. `215 dB`C. 30 dBD. 80 dB |
| Answer» Correct Answer - D | |
| 414. |
The green scum seen in the freshwater bodies isA. red algaeB. green algaeC. blue-green algaeD. both (b) and (c) |
| Answer» Correct Answer - D | |
| 415. |
The green scum seen in the freshwater bodies isA. blue-green algaeB. red algaeC. green algaeD. Both (a) and (c) |
| Answer» Correct Answer - D | |
| 416. |
Choose the incorrect statement.A. The Montreal protocol is associated with the control of emission of ozone delpeting substancesB. Methane and carbon dioxide are green house gasesC. Dobson units are used to measure oxygen contentD. Use of incinerators is crucial to disposal of hospital wastes |
| Answer» Dobson unit is used to express the column on dessity of trace gases e.g., ozone . On the other hand , oxygen sensors are used to measure the exhaust gas concentration of oxygen. | |
| 417. |
The green scum seen in the freshwater bodies isA. blue green algaeB. red algeaC. green algaeD. Both (b) and ( c) |
| Answer» The green scum seen in the fresh water bodies mainly consists of green algea and blue - green algae, while the red algae is mostly marine. | |
| 418. |
The expanded form of DDT isA. dichloro dipheyl trichloroethaneB. dichloro diethy trichloroethaneC. dichloro dipyrydyl trichloroethaneD. dichloro diphenyl tetrachloroacetate |
| Answer» The expanded form of DDT is dechloro diphenyl trichloroethane. It is an insectiside which was first synthesised in 1874. in insects it opens the sodiumion channels in neurons which leads to spas on and eventual death DDT, BHC are organic compound which were effectively used against pest during 1980 . But , now these are banned are banned due to their less or no degradation. | |
| 419. |
Climate of the world is threatened byA. Increasing concentration of atmospheric oxygenB. Decreasing amount of atmospheric oxygenC. Increasing amount of atmospheric carbondioxideD. Decreasing amount of atmospheric carbondioxide |
| Answer» Correct Answer - C | |
| 420. |
What do you mean by e-waste ? |
| Answer» Computers and other electronic goods are irreparable. These are known as electronic | |
| 421. |
Between amphibins and birds, which will be able to cope with globl warming ? Given reason . |
| Answer» Birds. It is so because they are hometherms | |
| 422. |
CNG stands for |
| Answer» Compressed Natural Gas. | |
| 423. |
Name the world’s most problematic aquatic weed. What in the nature of the water body in which the weeds grow abundantly ? |
| Answer» Water hyacinth. These plants grow in eutrophic water bodies and lead to imbalance in the ecosystem dynamics of the water body. | |
| 424. |
Most harmful type of environmental pollutants areA. Human organic wastesB. Natural nutrients in excessC. Waste animal feedD. Nonbiodegradable chemicals. |
| Answer» Correct Answer - D | |
| 425. |
Cadmium pollution of water body produces a disease of humans calledA. AnaemiaB. Itai-ItaiC. MinamataD. Pneumoconiosis. |
| Answer» Correct Answer - B | |
| 426. |
World environment Day isA. 8 sepB. 4 augustC. 6 February.D. 5 june |
| Answer» Correct Answer - D | |
| 427. |
Part of ozone is destroyed over poles duringA. polar springB. winterC. summerD. period of snow fall. |
| Answer» Correct Answer - A | |
| 428. |
Greenhouse effect isA. Gardening outside the houseB. Global coolingC. Global warmingD. Green color house |
| Answer» Correct Answer - C | |
| 429. |
Maximum DDT is present in birds feeding onA. FishesB. MeatC. InsectsD. Seeds |
| Answer» Correct Answer - A | |
| 430. |
$ Cell wall of plants is formed of fungal cellulose. ! Smooth endoplasmic reticulum has ribosomes on its flagellin.A. If both As and R are correct and R is correct explanation of AsB. If both As and R are correct but R is not correct explanation of AsC. If As is correct, R is wrongD. If both As and R are wrong. |
| Answer» Correct Answer - D | |
| 431. |
$ Plastids occur in plant cells and animals cells. ! Centriods are present only in plant cells.A. If both As and R are correct and R is correct explanation of AsB. If both As and R are correct but R is not correct explanation of AsC. If As is correct, R is wrongD. If both As and R are wrong. |
| Answer» Correct Answer - D | |
| 432. |
$ Lysosomes are also called suicidal bags of a cell. ! Glyoxysomes and Peroxisomes are the types of microbodies.A. If both As and R are correct and R is correct explanation of AsB. If both As and R are correct but R is not correct explanation of AsC. If As is correct, R is wrongD. If both As and R are wrong. |
| Answer» Correct Answer - A | |
| 433. |
The Enviorment Act was passed in 1984. |
| Answer» Correct Answer - F | |
| 434. |
The particulate matter can be removed by catalytic convertor. |
| Answer» Correct Answer - F | |
| 435. |
Which one is matched correctly?A. Arsenic-Black foot diseaseB. Fluoride-Itai-itaiC. Mercury-Skeletal fluorosisD. Cadmium-Minamata disease |
| Answer» Correct Answer - A | |
| 436. |
A lake was found to harbour alarming level of a pesticide -DDT. The people most affected by accumation of DDT in the body would be those thatA. consumed products of plants growing in the lakeB. ate fish from the lakeC. ate birds dwelling in the same areD. used same water for bathing |
| Answer» Correct Answer - C | |
| 437. |
Identify the correctly matched pairsA. Montreal protocal - Global warmingB. Kyoto protocol - Climatic changeC. Ramsar convention - Ground water pollutionD. Basal convention - Biodiversity conservation |
| Answer» Correct Answer - B | |
| 438. |
if by radiation all nitrogenase enzyme is inactivated, then there will be noA. fixation of nitrogen in legumesB. fixation of atmospheric nitrogenC. conservation from nitrate to nitrite in legumesD. conversion from ammonium to nitrate in soil |
|
Answer» Correct Answer - A The enzyme nitrogenase is required for the process of biological nitrogen fixation only. Fixation of atmospheric nitrogen occur through other route also. Neither nitrification (conversion of ammonium to nitrate) nor conversion of nitrate to nitrate require nitrogenase. |
|
| 439. |
Draback of DDT as pesticide isA. It becomes ineffective after some timeB. It is less effective than othersC. It is not easily/rapidly degraded in natureD. its high cost. |
| Answer» Correct Answer - C | |
| 440. |
Photochemical smog does not containA. ozoneB. nitrogen dioxideC. carbon dioxideD. PAN |
|
Answer» Correct Answer - C Photochemical smong is a nitrogeneous smog produced by the reaction of nitrogen oxides with the hydrocarbons in the presence of ultraviolet light from the sun. It contains secondary pollutants (PAN, PBZN, etc.) and ozone. |
|
| 441. |
Identify the correctly matched pair:A. Montreal protocol - Global warmingB. Kyoto protocol - climate changeC. Ramsar convention - Ground water pollutionD. Basal convention - Biodiversity conservation |
|
Answer» Correct Answer - B Kyoto protocol deals with climate changes while Montreal protocol deals with ozone depletion. |
|
| 442. |
The reason for green-house effect isA. Higher `CO_(2)` concentration causing global warmingB. Absorption of infra-red rays by gases and dust particlesC. Both A and BD. Rarefaction of `CO_(2)` |
| Answer» Correct Answer - C | |
| 443. |
Which of the following is not used for disinfection of drinking water?A. PhenylB. ChloramineC. ChlorineD. Ozone |
| Answer» Correct Answer - A | |
| 444. |
Rain is called acid rain, when its pH is belowA. 7B. 6.5C. 6D. 5.6 |
|
Answer» Correct Answer - D Normal rainfall has a pH of 5.6-6.5 while acid rain has a pH of less than 5.6. Sulphuric acid and nitric acid are the two main acids, which dissolve in the water in the atmomphere and fall to the ground as acid rain. On an average, `60-70%` |
|
| 445. |
Lead concentration of blood is considered alarming atA. `20 mug/100mL`B. `30mug//100mL`C. `4-6mug//100mL`D. `10mug//100mL` |
|
Answer» Correct Answer - B The concentration of lead in blood level averages about `25mug//100mL`. Increase to `70mug//100mL` is generally associated with the clinical symptoms. Hence, a lvel of `30mug//100mL` is considered alarming. |
|
| 446. |
Observe figure and answer the following questions. (i) The ecological term used to describe the DDT accumulation at different troohic levels ? (ii) List any one effect of DDT accumulation on birds. (iii) Will DDT accumulation lead to eutrophication ? (iv) Does it affect the BOD? (v) Name disease caused by accumulation of any heavy metal. |
|
Answer» (i) The ecological term used to describe the DDT accumulation at different trophic levels is called biomagnification. (ii) High concentrations of DDT distueb calcium metabolism birds , which causes thinning of egg shell and their premature breaking, eventually causing decline in dird populations. (iii) Yes, DDT accumulation can lead to eutrophication. (iv) It increases the BOD, resulting in a decrease in dissolved oxygen in the water body. (v) Eating fish that has accumulated mercury, a heavy metal , causesa a disease called Minamata . It is characterised by diarrhoea , heamolysis , numbness , deafness, mental derangement, meningitis and death. |
|
| 447. |
A green house gas isA. `H_(2)`B. COC. `CO_(2)`D. `N_(2)`. |
| Answer» Correct Answer - C | |
| 448. |
Which of the following organism is likely to have more concentration of D.D.T. in its body?A. Top carnivoresB. Primary producersC. HerbivoresD. Carnivores |
| Answer» Correct Answer - A | |
| 449. |
Green house effect is due to the accumulation ofA. `O_(3)` and depletion of `CO_(2)`B. `O_(3)` and`CO_(2)`C. `CO_(2)` and depletion of `O_(3)`D. Green plants. |
| Answer» Correct Answer - B | |
| 450. |
The peak concentration ozone above surface of Earth is at:A. 23 mB. 13 kmC. 15 kmD. 30 km |
| Answer» Correct Answer - A | |