General Science · NDA previous year questions

The next four (04) items are based on the following Table : Match List I with List II, List III and List IV and select the correct answer using the code given below : $$\begin{array}{llll}\text{List I (Body system)}& \text{List II (Organ)}& \text{List III (Structure)}& \text{List IV (Function of the system)}\\ \text{A. Blood Circulation}& \text{1. Bone marrow}& \text{I. Alveoli}& \text{i. Clot formation}\\ \text{B. Excretory}& \text{2. Thymus}& \text{II. T-lymphocyte}& \text{ii. Perfusion of tissues}\\ \text{C. Alimentary}& \text{3. Intestine}& \text{III. Myocardium}& \text{iii. Support and protect of body frame}\\ \text{D. Skeletal}& \text{4. Lung}& \text{IV. Matrix}& \text{iv. Oxygenation}\\ \text{E. Blood}& \text{5. Bone}& \text{V. Nephron}& \text{v. Filtration of body waste}\\ \text{F. Respiratory}& \text{6. Heart}& \text{VI. Villi}& \text{vi. Absorption of nutrients}\\ \text{G. Neurological}& \text{7. Kidney}& \text{VII. Axon}& \text{vii. Fighting infection and foreign invasion}\\ \text{H. Immunological}& \text{8. Neuron}& \text{VIII. Platelets}& \text{viii. Transmission of electrical impulse}\end{array}$$ List I List II List III List IV

1. A.E 1 I i
2. B.F 2 I iv
3. C.E 1 IV v
4. D.F 4 I iv

The next four (04) items are based on the following Table : Match List I with List II, List III and List IV and select the correct answer using the code given below : $$\begin{array}{llll}\text{List I (Body system)}& \text{List II (Organ)}& \text{List III (Structure)}& \text{List IV (Function of the system)}\\ \text{A. Blood Circulation}& \text{1. Bone marrow}& \text{I. Alveoli}& \text{i. Clot formation}\\ \text{B. Excretory}& \text{2. Thymus}& \text{II. T-lymphocyte}& \text{ii. Perfusion of tissues}\\ \text{C. Alimentary}& \text{3. Intestine}& \text{III. Myocardium}& \text{iii. Support and protect of body frame}\\ \text{D. Skeletal}& \text{4. Lung}& \text{IV. Matrix}& \text{iv. Oxygenation}\\ \text{E. Blood}& \text{5. Bone}& \text{V. Nephron}& \text{v. Filtration of body waste}\\ \text{F. Respiratory}& \text{6. Heart}& \text{VI. Villi}& \text{vi. Absorption of nutrients}\\ \text{G. Neurological}& \text{7. Kidney}& \text{VII. Axon}& \text{vii. Fighting infection and foreign invasion}\\ \text{H. Immunological}& \text{8. Neuron}& \text{VIII. Platelets}& \text{viii. Transmission of electrical impulse}\end{array}$$ List I List II List III List IV

1. A.G 8 VII viii
2. B.H 2 II iv
3. C.G 8 VI vii
4. D.H 1 II vii

Consider the following statements regarding the recent global outbreak of 'Swine Flu' : 1. The agent of infection is not well identified 2. The risk is higher in those who consume pork 3. It has a propensity to spread from contact with an infected person 4. Absence of an effective treatment or vaccine makes it risk for a global pandemic Which of the statements given above is/are correct?

1. A.1, 2 and 4
2. B.3 and 4
3. C.2 and 3
4. D.3 only

When dried raisins are put in plain water, they swell up. If put again in brine solution, they shrivel up. This phenomenon indicates the property of :

1. A.Diffusion
2. B.Perfusion
3. C.Osmosis
4. D.Fusion

A mixture containing $\mathrm{Si}{\mathrm{O}}_2$, NaCl and $\mathrm{N}{\mathrm{H}}_4\mathrm{Cl}$ is taken for separating the constituents. The suitable steps required for this are :

1. A.Sublimation-dissolution-filtration-crystallization
2. B.Dissolution-filtration-crystallization-distillation
3. C.Sublimation-evaporation-dissolution-decomposition
4. D.Dissolution-distillation-decomposition-evaporation

Capacity of a parallel plate condenser can be doubled by : 1. doubling the areas of the plates 2. doubling the distance of separation between the plates 3. reducing the distance of separation between the plates to half the original separation 4. doubling both the areas of the plates and the distance of separation between the plates Select the correct answer using the code given below :

1. A.1 and 4
2. B.1 and 3
3. C.3 only
4. D.2 and 3

Xerophytes thrive in

1. A.hot and arid condition
2. B.cool and wet condition
3. C.hot and wet condition
4. D.cool and arid condition

MCQ (More than One Correct Answer) Biodiversity is highest in

1. A.Tundra zone
2. B.Prairie zone
3. C.Torrid zone
4. D.Tropic zone

Which part of brain controls fine movement, maintains balance and equilibrium of the body and muscle tone in a human being?

1. A.Cerebrum
2. B.Thalamus
3. C.Cerebellum
4. D.Hypothalamus

Leishmania, the causative agent of kala-azar, multiplies asexually by

1. A.budding
2. B.binary fission
3. C.multiple fission
4. D.sporogony

Food wrapped in newspaper is likely to get contaminated with

1. A.lead
2. B.aluminium
3. C.iron
4. D.magnesium

Which one among the following produces seeds but not flowers?

1. A.Cashew nut
2. B.Coffee
3. C.Groundnut
4. D.Pine

Which among the following is not a true fruit?

1. A.Apple
2. B.Date
3. C.Grape
4. D.Plum

The ratio of the focal length of the objective to the focal length of the eyepiece is greater than one for

1. A.a microscope
2. B.a telescope
3. C.both microscope and telescope
4. D.neither microscope nor telescope

The number of neutrons in ${}_{13}{\mathrm{Al}}^{27}$ is

1. A.40
2. B.27
3. C.14
4. D.13

Consider the following statements about Astra : 1. This anti-aircraft missile is procured by India from Russia. 2. It is a single-stage, smokeless, solid-propelled missile. 3. It may be launched from different altitudes. Which of the statements given above are correct?

1. A.1 and 2 only
2. B.2 and 3 only
3. C.1, 2 and 3
4. D.1 and 3 only

Which one of the following vegetables is not obtained from wild cabbage?

1. A.Lettuce
2. B.Broccoli
3. C.Kale
4. D.Kohlrabi

Jaundice in human beings is the result of

1. A.incomplete metabolism of biliverdin
2. B.complete metabolism of biliverdin
3. C.incomplete metabolism of bilirubin
4. D.complete metabolism of bilirubin

The Haffkine Institute, Mumbai, is known for its work on the production of

1. A.plague vaccine
2. B.leprosy vaccine
3. C.tetanus vaccine
4. D.polio vaccine

Kinetic viscosity of a given liquid is the ratio of

1. A.the coefficient of viscosity to the density
2. B.the coefficient of viscosity to the surface tension
3. C.the density to the coefficient of viscosity
4. D.the surface tension to the coefficient of viscosity

When oil floats on water, the surface tension of water

1. A.vanishes immediately
2. B.decreases considerably
3. C.increases considerably
4. D.remains unaffected

In the relation $\alpha =\beta t+\lambda$, $\alpha$ and $\lambda$ are measured in metre (m) and $t$ is measured in second (s). The SI unit of $\beta$ must be

1. A.$\mathrm{m}$
2. B.$\mathrm{m}\mathrm{s}$
3. C.$\mathrm{s}$
4. D.$\mathrm{m}{\mathrm{s}}^{-1}$

Equal quantities (50 ml) of the following four samples of water are placed in four beakers of 100 ml capacity. Their boiling points are determined accurately using the same thermometer. Which sample of water will have the lowermost boiling point as compared to other three samples?

1. A.Distilled water
2. B.Bottled mineral water
3. C.Well water
4. D.Seawater

1. A.good conductor and soft
2. B.non-conductor and soft
3. C.non-conductor and hard
4. D.good conductor and hard

Which one of the following is not a mixture?

1. A.Air
2. B.Mercury
3. C.Milk
4. D.Cement