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Indian Army Nursing Assistant Mock Test - 8 - Indian Army Nursing Assistant MCQ


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30 Questions MCQ Test - Indian Army Nursing Assistant Mock Test - 8

Indian Army Nursing Assistant Mock Test - 8 for Indian Army Nursing Assistant 2024 is part of Indian Army Nursing Assistant preparation. The Indian Army Nursing Assistant Mock Test - 8 questions and answers have been prepared according to the Indian Army Nursing Assistant exam syllabus.The Indian Army Nursing Assistant Mock Test - 8 MCQs are made for Indian Army Nursing Assistant 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Indian Army Nursing Assistant Mock Test - 8 below.
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Indian Army Nursing Assistant Mock Test - 8 - Question 1

Which wall would allow the flow of thermal energy between systems A and B to achieve thermal equilibrium?

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 1

Wall that permits *heat" to flow through them,such as engine block is called diathermic wall.
wall Perfectly insulating ball that doesn't allow the flow heat to them are called adiabatic walls.

Indian Army Nursing Assistant Mock Test - 8 - Question 2

Kinetic theory explains the behavior

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 2

Explanation:

The theory for ideal gases makes the following assumptions

1. Gases consist of particles in constant, random motion. They continue in a straight line until they collide with something—usually each other or the walls of their container.

2. Particles are point masses with no volume. The particles are so small compared to the space between them, that we do not consider their size in ideal gases.

3. No molecular forces are at work. This means that there is no attraction or repulsion between the particles.

4. Gas pressure is due to the molecules colliding with the walls of the container. All of these collisions are perfectly elastic, meaning that there is no change in energy of either the particles or the wall upon collision. No energy is lost or gained from collisions.

5. The time it takes to collide is negligible compared with the time between collisions.

6. The kinetic energy of a gas is a measure of its Kelvin temperature. Individual gas molecules have different speeds, but the temperature and kinetic energy of the gas refer to the average of these speeds.

7. The average kinetic energy of a gas particle is directly proportional to the temperature. An increase in temperature increases the speed in which the gas molecules move.

8. All gases at a given temperature have the same average kinetic energy.

9. Lighter gas molecules move faster than heavier molecules.

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Indian Army Nursing Assistant Mock Test - 8 - Question 3

Resonance is an example of [1999]

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 3

We know that if frequency of an external forced  oscillation is equal to the natural frequency of the body, then amplitude of the forced oscillation of the body becomes very large. This phenomenon is known as resonant vibration. Therefore, resonance is an example of forced vibration.

Indian Army Nursing Assistant Mock Test - 8 - Question 4

Which of the following statements is/are true about the principle of Van de Graaff generator?

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 4

Van de Graff generator- is an electrostatic generator which is devised to produce very high voltage by means of an endless belt collecting electrostatic charge from a source and transferring it to a large isolated metal sphere on which a large change accumulates.

Indian Army Nursing Assistant Mock Test - 8 - Question 5

The instrument for the accurate measurement of the e.m.f of a cell is

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 5
  • Both potentiometer and voltmeter are devices to measure potential difference.
  • EMF is the terminal p.d between the electrodes of a cell in open circuit, i.e., when no current is drawn from it.
  • Potentiometer measures the potential difference using null deflection method, where no current is drawn from the cell; whereas voltmeter needs a small current to show deflection.
  • So, accurate measurement of p.d is done using a potentiometer.
Indian Army Nursing Assistant Mock Test - 8 - Question 6

Sea water is a

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 6

Sea water is a mixture because sea water contain a number of salts dissolved in it.

Indian Army Nursing Assistant Mock Test - 8 - Question 7
How are mixtures different from compounds?
Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 7
Mixtures can be separated into their individual components using physical methods, whereas compounds cannot be separated into their constituent atoms by simple physical methods.
Indian Army Nursing Assistant Mock Test - 8 - Question 8

We store silver chloride in a dark coloured bottle because it is     

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 8

Silver chloride is a white solid , however it is very sensitive to sunlight and decomposes in the presence of sunlight to form silver (grey in colour) and chlorine. Therefore, in order to avoid this action by light , it is kept in coloured bottles.

Indian Army Nursing Assistant Mock Test - 8 - Question 9

Calculate the formula unit mass of ZnCl2?

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 9

Formula mass unit is calculatedin same way as molecular mass.

so,zncl2
= 65.3 + 35.5 x 2

= 65.3 + 71

= 136.3

Indian Army Nursing Assistant Mock Test - 8 - Question 10

The purest form of water is

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 10

Rain water is purest form of water as during cloud formation evaporation of water takes place in which impurities are left in water bodies. Spring water, subsoil water and hand pump water contains some salt dissolved in it.

Indian Army Nursing Assistant Mock Test - 8 - Question 11

Which of the following is a photosensitive element?

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 11

The grey form of Selenium (metallic) and Tellurium consist of parallel chains held by weak metallic bonds. In the presence of light, the weak metallic bonds are excited and as a result, the number of free electrons increases and so does the conductivity. Thus, these elements conduct electricity significantly only in the presence of light. That is why Se and Te are called photosensitive elements.

Indian Army Nursing Assistant Mock Test - 8 - Question 12

What is the role of catalyst in a redox reaction?

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 12

A catalyst speeds up a chemical reaction.

Indian Army Nursing Assistant Mock Test - 8 - Question 13

Some alkali metal salts are coloured Na2CrO4 —yellow, KMnO4- pink, K2MnO4 -green. It is due to:

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 13
Explanation:
Introduction:
The question asks why some alkali metal salts are colored, specifically Na2CrO4, KMnO4, and K2MnO4. It provides four options to choose from, and the correct answer is option B, which states that anions are colored ions.
Explanation:
To understand why these salts are colored, we need to look at the chromophores present in each compound. Chromophores are responsible for the absorption of specific wavelengths of light, resulting in the observed color.
Na2CrO4 (yellow):
- The chromophore in Na2CrO4 is the CrO42- anion.
- The yellow color is due to the absorption of light in the blue region of the visible spectrum by the CrO42- anion.
KMnO4 (pink):
- The chromophore in KMnO4 is the MnO4- anion.
- The pink color is due to the absorption of light in the green region of the visible spectrum by the MnO4- anion.
K2MnO4 (green):
- The chromophore in K2MnO4 is also the MnO4- anion.
- The green color is due to the absorption of light in the red region of the visible spectrum by the MnO4- anion.
Conclusion:
From the above explanations, it is clear that the colored ions responsible for the observed colors in these alkali metal salts are the anions, specifically CrO42- and MnO4-. Therefore, option B, which states that anions are colored ions, is the correct answer.
Indian Army Nursing Assistant Mock Test - 8 - Question 14

Which of the following compounds is used as a local anesthetic?

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 14

Chloroform is used as a local anesthetic. It is a colorless, sweet-smelling liquid that was commonly used in the past for medical purposes. However, due to its toxic nature, its use has significantly decreased.

Indian Army Nursing Assistant Mock Test - 8 - Question 15
Which synthetic organic compound is known for its usage as a highly effective insecticide and has multiple isomeric forms?
Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 15
DDT (Dichlorodiphenyltrichloroethane) is a synthetic organic compound known for its highly effective insecticidal properties. It exists in multiple isomeric forms and was widely used in the past.
Indian Army Nursing Assistant Mock Test - 8 - Question 16

The electronic configuration 1s22s22p1 belongs to

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 16

It is of boron as it has atomic number 5.

Indian Army Nursing Assistant Mock Test - 8 - Question 17

What will be the mass of 100 atoms of hydrogen?

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 17

Number of gram atoms of H

Mass of hydrogen atoms = 1 x 1.66 x 10-22
= 1.66 x 10-22 g

Indian Army Nursing Assistant Mock Test - 8 - Question 18

The pi-bond involves __________

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 18

A pi-bond is a type of covalent bond in which the internuclear axes of the atoms are parallel to each other and for side-wise overlapping. The bond formed here is perpendicular to the internuclear axes.

Indian Army Nursing Assistant Mock Test - 8 - Question 19

Sodium chloride imparts a yellow colour to the Bunsen flame. This can be interpreted due to the

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 19
Sodium chloride imparts a yellow colour to the Bunsen flame. This can be interpreted due to the emission of excess energy absorbed as radiation in the visible region.

When an alkali or alkaline earth metal (or its salt) is introduced in the flame, the metal's valence electrons absorb energy and are excited to the higher energy level. When excited electrons return to their ground state, they release the absorbed energy as visible light.

Indian Army Nursing Assistant Mock Test - 8 - Question 20

Which of the following compounds is used as a refrigerant?

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 20

Freon is a group of chlorofluorocarbon (CFC) compounds used as refrigerants. These compounds have been widely phased out due to their harmful effects on the ozone layer.

Indian Army Nursing Assistant Mock Test - 8 - Question 21

A young college student had nausea, vomiting, visual disorders, and muscular paralysis after eating canned tuna fish. The probable diagnosis is botulism, caused by ingestion of the Clostridium botulinum toxin. The physiological effect of this toxin is to

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 21

The toxin from Clostridium botulinum inhibits the release of acetylcholine, the neurotransmitter at myoneural junctions. As a result, motor nerve impulses cannot be transmitted across the junction, and muscle cells are not stimulated to contract.

Indian Army Nursing Assistant Mock Test - 8 - Question 22

Autotrophs and heterotrophs differ in

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 22

Autotrophs are organisms that can produce their own food using light energy through photosynthesis or by using chemical energy through the process of chemosynthesis.

Hence, autotrophs obtain carbon from inorganic sources like carbon dioxide.

Heterotrophs cannot synthesize their own food and are dependent on other organisms for nutrition.

Hence, heterotrophs obtain reduced carbon in the form of carbohydrates from other organisms.

Indian Army Nursing Assistant Mock Test - 8 - Question 23

Which of the following were used to carry letters from one place to another in the olden days?

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 23
  • Pigeons can fly over long distances.
  • That is why they are used to carry letters from one place to another in olden days.
Indian Army Nursing Assistant Mock Test - 8 - Question 24

Yaks have a special feature on their bodies to keep them warm. What is it?

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 24

Correct Answer- Option A

  • Yaks have thick hair on their bodies, which helps keep them warm in cold environments.
  • The other options (feathers, scales, and shells) are not found on yaks and do not help them stay warm.
Indian Army Nursing Assistant Mock Test - 8 - Question 25

Saurabh's mother called him for dinner. She prepared his thali as shown in the given figure. Which essential nutrient is significantly absent in his dinner thali?

Indian Army Nursing Assistant Mock Test - 8 - Question 26

A person who does not eat meat should:

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 26

It is considered important to consume a balanced diet that is rich in all nutrients to meet our daily requirements.

Meat is considered a main source of protein. So, when a person is avoiding a source of protein then it must be replaced by another protein-rich food.

Pasta is a source of carbohydrates and increasing the number of other foods alone won't help because we have not met our requirement of protein.

So, the apt thing to do would be to replace meat with other protein foods like eggs, fish, beans and nuts.

Therefore, this is the correct answer.

Indian Army Nursing Assistant Mock Test - 8 - Question 27

Which of the following nutrients is necessary for proper blood clotting?

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 27

Vitamin K is necessary for proper blood clotting. It helps in the synthesis of clotting factors in the liver, which are essential for the formation of blood clots to prevent excessive bleeding.

Indian Army Nursing Assistant Mock Test - 8 - Question 28

Animal husbandry is the scientific management of
(i) animal breeding
(ii) culture of animals
(iii) animal livestock
(iv) rearing of animals

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 28
Animal husbandry is the scientific management of:
- Animal breeding: Animal husbandry involves the selection and breeding of animals with desirable traits to improve the genetic makeup of the population. This includes practices such as artificial insemination, selective breeding, and genetic engineering.
- Culture of animals: Animal husbandry includes the proper care and management of animals, including their feeding, housing, and healthcare. This ensures that the animals are provided with optimal conditions for growth, reproduction, and overall well-being.
- Animal livestock: Animal husbandry involves the raising and management of livestock animals for various purposes such as meat, milk, eggs, and fiber production. This includes practices such as herd management, nutrition planning, and disease prevention.
- Rearing of animals: Animal husbandry encompasses the process of raising animals from a young age until they reach maturity. This includes providing proper nutrition, shelter, and healthcare to ensure their growth and development.
Based on the above explanation, the correct answer is (D) (i), (iii), and (iv). By practicing animal husbandry, farmers and animal breeders can optimize the productivity and health of animals, contributing to the overall improvement of the agricultural sector.
Indian Army Nursing Assistant Mock Test - 8 - Question 29

Mullets, prawns, mussels are examples of

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 29

Fresh water and marine fisheries are found in ponds, tanks, rivers and various water bodies catla, rohu, mullets, and bhetki are some fresh water fisheries. They have important contribution to the growth of the economy of the country. There has been a very impressive growth in fish production during 1990's in the country.

Indian Army Nursing Assistant Mock Test - 8 - Question 30

When a body is infected with HIV, the immune system gets suppressed. This results in Acquired Immunodeficiency Syndrome also known as AIDS. AIDS allows life-threatening infections and cancers to thrive most often causing death. What does HIV stand for?

Detailed Solution for Indian Army Nursing Assistant Mock Test - 8 - Question 30
What does HIV stand for?
The correct answer is C: Human immunodeficiency virus.
Explanation:
- HIV stands for Human Immunodeficiency Virus.
- It is a virus that attacks the immune system and weakens a person's ability to fight off infections and diseases.
- When a body is infected with HIV, it targets and destroys CD4 cells, which are a type of white blood cell that plays a crucial role in the immune system.
- As a result, the immune system becomes suppressed, leading to a condition called Acquired Immunodeficiency Syndrome (AIDS).
- AIDS is the advanced stage of HIV infection and is characterized by severe damage to the immune system, making individuals more susceptible to life-threatening infections and cancers.
- HIV is primarily transmitted through certain body fluids, such as blood, semen, vaginal fluids, and breast milk.
- It can be transmitted through unprotected sexual intercourse, sharing needles or syringes, mother-to-child transmission during childbirth or breastfeeding, and less commonly through blood transfusions or organ transplants.
- HIV can be managed with antiretroviral therapy (ART), a combination of medications that can help control the virus and prevent its progression to AIDS.
- However, there is currently no cure for HIV, and prevention through safe practices and education remains crucial in combating the spread of the virus.
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