Explore topic-wise InterviewSolutions in Current Affairs.

This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.

1.

Explain the following principles of management:1. Science, not rule-of-thumb2. Discipline

Answer»

1. Science, not rule of thumb: This principle states that:

a. There may be only one best way/method to maximise efficiency.

b. This method can be developed through scientific study and analysis of each element of a job and should substitute ‘Rule of Thumb’.

c. This standard method then should be followed throughout the organisation.

2. Discipline: This principle states that:

a. We must obey the organisational rules and employment agreement which are necessary for the working of the organisation.

b. There must be good superiors at all levels, clear and fair agreement and judicious application of penalties.

c. Workers and management both should honour their commitments towards one another without prejudice.

2.

Explain Co-operation not individualism as a principle of scientific management.

Answer»

(a) Science not a rule of thumb: Taylor believed that there was only one best method to maximise efficiency. This method can be developed through scientific study and analysis of each element of a job and should substitute 'Rule of Thumb'. This standard method then should be followed throughout the organisation.

(b) Co-operation not individualism: There should be complete co-operation between the labour and management instead of individualism; competition should be replaced by co-operation. Both should realise that they need each other.

(c) Harmony not discord: According to Taylor there should not be any conflict between the managers and the workers. He emphasised that there should be complete harmony between the managers and the workers. Both should realise that each or-re is important to achieve the objectives of the organisation.

3.

Explain the following principles of "scientific Management". (a) Science not a rule of thumb (b) Co-operation, not individualism (c) Harmony, not discord.

Answer»

(a) Science not a rule of thumb: Taylor believed that there was only one best method to maximise efficiency. This method can be developed through scientific study and analysis of each element of a job and should substitute 'Rule of Thumb'. This standard method then should be followed throughout the organisation.

(b) Co-operation not individualism: There should be complete co-operation between the labour and management instead of individualism; competition should be replaced by co-operation. Both should realise that they need each other.

(c) Harmony not discord: According to Taylor there should not be any conflict between the managers and the workers. He emphasised that there should be complete harmony between the managers and the workers. Both should realise that each or-re is important to achieve the objectives of the organisation.

4.

Q:- Nirmal and Pawan are partners sharing profits in the ratio of 3 : 2. The firm had given loan to Pawan of ₹35,00,000 on 1st April, 2019. Interest was to be charged @ 10% p.a. The firm took loan of ₹ 2,00,000 from Nirmal on 1st October, 2019. Before giving effect to the above, the firm incurred a loss of ₹ 10,000 for the year ended 31st March,2020.Determine the amount to be transferred to Profit and Loss Appropriation Account.

Answer»

Given:

Profit and loss sharing ratio = 3 : 2

Given amount of loan to Pawan = ₹ 3,500,000

Interest rate charged = 10%

Value of the loan taken by the firm = ₹ 200,000

Loss incurred = ₹ 10,000

To find:

The amount to be transferred to Profit and Loss Appropriation Account  = ?

Solution:

The calculation is shown below:

Net loss incurred for the year - ₹10,000

Add: Interest received on loan taken by the Pawan ₹ 350,000

(₹ 3500000 x 10/100)

Less: Interest on loan taken by the firm - ₹12,000

(₹ 200000 x 6/100)

Amount transferred  ₹328,000

Hence, the amount to be transferred to Profit and Loss Appropriation Account  is ₹328,000

5.

Fundamentals of principles of scientific management include (a) Rule of thumb (b) Harmony in group (c) A and b (d) None of the above

Answer»

Correct option is (b) Harmony in group

6.

What is the weight of 3.01 x 1023 molecules of ammonia? 

Answer»

6.023 x 1023 molecules of NH3 has weight = 17 g 

3.01 x 1023 molecules of NH3 has weight = 17 x 3.01 x 1023/ 6.023 x 1023 = 8.50 g

7.

Find the weight of H2SO4 in 1200 mL of a solution of 0.4 N strength. 

Answer»

Meq. of H2SO4= 0.4 x 1200 = 480

w/49 x 1000 = 480

w = 23.52 g

8.

How many molecules are in 5.23 g of glucose (C6H12O6) ? 

Answer»

180 g glucose has = N molecules 

5.23 g glucose has = 5.23 x 6.023 x 1023/180

= 1.75 x 1022 molecules 

9.

Find the normality of H2SO4 having 50 milli-equivalents in 3 litre. 

Answer»

N x V(in Litre) = Equivalent 

N x 3 = 50/1000

N = 0.0166 

10.

How many nitrogen atoms are in 0.25 mole of Ca(NO3)2?

Answer»

1 mole of Ca(NO3)2 has = 2 N atoms of nitrogen 

0.25 mole of Ca(NO3)2 has = 2 x 0.25 x 6.023 x 1023 atoms of N 

= 3.0 x 1023 

11.

Calculate the number of Cl- and Ca2+ ions in 333 g anhydrous CaCl2.

Answer»

Mol. wt. of CaCl2 = 111 g

111 g CaCl2 has = N ions of Ca2+ 

333 g CaCl2 has N x 333/111 ions of Ca2+ = 3 N ions of Ca2+ 

Also, 111 g CaCI2 has = 2 N ions of Cl- 

333 g CaCl2 has = 2N x 333/111 ions of Cl-

= 6 N ions of CI-

12.

1 g of a metal (specific heat = 0.06 cal/g), combines with oxygen to form 1.08 g of oxide. What is the atomic mass of metal? Also report its valency. 

Answer»

Eq. of metal = Eq. of oxygen 

wt. of metal = 1 g, wt. of oxygen = 1.08 - 1 = 0.08 g

1/Emetal = 0.08/8

Emetal = 100

Also App. at.wt. x sp. heat = 6.4 

App. at. wt. = 6.4/0.06 = 106.67 

Valence = at. wt./ E. wt. = 106.67/100 = 1 (integer ) 

exact at. wt. = E x valence = 100 x 1 = 100

13.

The density of O2 at NTP is 1.429 g litre-1 . Calculate the standard molar volume of gas. 

Answer»

Standard molar volume of gas is its volume occupied by 1 mole at NTP.

1.429 g of O2 gas occupies volume 1 litre 

32 g of O2 gas occupies volume = 32/1.429 litre

= 22.39 litre mol-1

14.

23 g sodium metal reacts with water. Calculate the : (a) volume of H2 liberated at NTP, (b) moles of H2 liberated, (c) weight of H2 liberated.  

Answer»

The given reaction is, 

2Na + 2H2 O ----> 2NaOH + H2 

From equation, it is evident: 

46 g Na reacts to liberate 1 mole H2, 

23 g Na reacts to liberate (1 x 23)/46 = 1/2 mole H2 

Weight of H2 liberated = (1/2) x 2 = 1 g 

Also, volume of H2 at STP = 22400 x 1/2 = 11200 mL 

15.

Which of the following is a plant cell ? A. cartilage cell B. neuron C. epidermal cell D. epithelial cell

Answer»

C. epidermal cell 

Epidermal cell is a plant cell while cartilage cell, neuron and epithelial cell are animal cells.

16.

The group of similar cell which work together to perform a particular functions is called : A. organ B. organelle C. organisms D. tissue

Answer»

D. tissue 

The group of similar cells which work together to perform a particular function is called tissue.

17.

What is protoplasm ? Name the elements which make up major part of protoplasm.

Answer»

Cell without its cell membrane is called Protoplasm. The Cytoplasm and Nucleus taken together make up the protoplasm.

18.

Amoeba and Yeast reproduce asexually by fission and budding respectively, because they are: a. Microscopic organisms b. Heterotrophic organisms c. Unicellular organisms d. Uninucleate organisms.

Answer» c. Unicellular organisms
19.

Fill up the blanks with the terms given below: body, asexual, binary, single, nucleusAmoeba is a ___________ celled organism. It reproduces by ___________ reproduction. The process of reproduction begins by the division of its ___________ into two. This is followed by the division of its ___________ into two. This type of reproduction is called ___________ fission.

Answer»

Single, asexual, nucleus, body, binary

20.

Hens and frogs are both oviparous exhibiting different types of fertilisation. Explain.

Answer»

Hens are oviparous in which internal fertilisation takes place. The fertilised egg develops into an embryo inside the body. However, the development of chick from the embryo takes place outside the body.Frogs are oviparous in which both fertilisation and development of zygote to embryo and young ones occurs outside the body.

21.

Amoeba can attain the shape of Paramecium. Can Paramecium attain the shape of Amoeba?

Answer»

No, paramecium cannot attain the shape of Amoeba. Amoeba has no definite shape, so it can obtain the shape of paramecium since its shape changes as it moves. Paramecium already has a slipper like shape.

22.

Mention the size of an ostrich egg. Is it a single cell of a group of cells?

Answer»

An ostrich’s egg is 15 centimetres in length and 13 centimetres wide. The weight of this egg is about 1.5 kg and it is single cell which is believed to be the largest existing single cell today.

23.

Which is the largest cell in human body?

Answer»

The largest cell in human body is the female ovum or egg with a diameter of 1000 micrometres. Ovum is the female reproductive cell and is found in the ovaries.

24.

One cell performs all life activities in unicellular organisms. State yes or no.

Answer»

Yes, one cell performs all life activities in unicellular organisms. Unicellular organisms (prokaryotes and eukaryote) are made up of just one cell and all the things needed for the survival of the organism takes place in that one cell.

Thus, one cell carries out all the functions in unicellular organisms.

25.

Why does a red blood cell not reproduce?

Answer»

Red blood cell do not reproduce because they do not contain nucleus, thus they do not have DNA which is the genetic material needed for reproduction.

26.

Write the name of control centre of cell.

Answer»

Nucleus is the control centre of the cell. It is the largest floating body found in the cell. Nucleus controls and regulates all the cell activities. The DNA of the cell is found here in nucleus.

27.

Write functions of cell membrane.

Answer»

Cell membrane is the thin outermost layer of cells. It functions to keep the cytoplasm and organelles inside the cell. Since it is semi permeable, it regulates the entry and exit of water, soluble molecules and other materials. Cell membrane also helps in communicating with other cells & provides protection and support to the cell.

28.

A long and branched animal cell is : A. muscle cell B. epithelial cell C. nerve cell D. cartilage cell

Answer»

C. nerve cell 

Nerve cells (neurons) are long, branched and have thread-like projections so that they can connect other nerves cells and transmit messages over long distance

29.

Is there any relation between size of organism and number of cells?

Answer»

In multicellular organisms, there is no relation between size of organism and number of cells. In unicellular organisms, since there is a single cell, the size of the organism will be equally big as the size of the single cell.

30.

Name two organisms which reproduces through budding.

Answer»

Yeast and hydra reproduce through budding.

31.

Match the following:Column IColumn IIAFission(i)SpirogyraBBudding(ii)AmoebaCFargmentation(iii)Yeast

Answer»

A. (ii) 

B. (iii) 

C. (i)

32.

Which of the following organelle is not found in the root cells of a plant ? A. nucleus B. vacuole C. mitochondria D. chloroplasts

Answer»

D. chloroplasts 

Chloroplasts are found only in those plant cells which carry out photosynthesis like the cells in green leaves. So, chloroplasts are not found in the root cells of a plant.

33.

The plant which propagates with the help of its leaves is: (a) Onion(b) Neem (c) Ginger (d) Bryophyllum

Answer»

(d) Bryophyllum

34.

Syngamy results in the formation of: (a) Zoospores (b) Conidia (c) Zygote (d) Chlamydospores

Answer»

Syngamy results in the formation of Zygote.

35.

The eggs of frogs do not have shells for protection, yet they are safe in water. How?

Answer»

A layer of jelly covers the eggs of frog and provides protection.

36.

What types of fertilization takes place in the following? (a) Cow (b) Frog (c) Humans (d) Fish (e) Hen

Answer»

Internal fertilization – (a) Cows (c) Humans (e) Hen 

External fertilization – (b) Frog (d) Fish

37.

What is meant by an ‘embryo’ ? Can we identify the body features in an embryo ?

Answer»

The zygote divides repeatedly to give rise to a ball of cells. The cells then begin to form groups that develop into different tissues and organs of the body. This developing structure is termed an embryo. The stage of the embryo in which all the body parts can be identified is called a foetus.

38.

Which are the main crops of USA?

Answer»

Cotton, corn and wheat.

39.

What have contributed to the Green revolution in USA?

Answer»

Rockies chain of mountains, Appalachian mountain range, Mississippi and Missouri rivers and the five Great Lakes namely Superior, Huron, Erie, Ontario and Michigan.

40.

Which are the main occupations of USA?

Answer»

Agriculture, trade and industry.

41.

What is the full form of USA?

Answer»

United States of America.

42.

What is the capital of Germany?(A) Paris(B) Berlin(C) London(D) Frankfurt

Answer»

Correct option is (B) Berlin

43.

What do you understand by viviparous animals?

Answer»

The animals that give birth to young ones directly, that is they do not pay eggs are called viviparous animals. The development of embryo, in this case, takes place inside the parental body, generally, of mothers.

44.

Asexual reproduction takes place through budding in ______. (a) Amoeba (b) Yeast (c) Plasmodium (d) Bacteria.

Answer»

Asexual reproduction takes place through budding in Yeast.

45.

Which of the following is not a unicellular organism ? A. Amoeba B. Yak C. Yeast D. Rhizobium

Answer»

A. Amoeba 

Amoeba, yeast and rhizobium are examples of unicellular organisms while Yak is an example of multicellular organisms.

46.

What is your opinion on elevating buddings with mirrors?

Answer»

The mirrors used in elevating buildings are reinforced, tough and laminated glasses. These mirrors provide safety and make the buildings attractive.

47.

The nucleus of an organism X is inserted into an empty egg cell of an organism Y (devoid of nucleus) and allowed to develop in It till the foetus is fully formed. Which of the following is MOST likely to happen as a result? A) It will produce an organism with characteristics of both X and Y. B) It will produce a new type of organism different from both X and Y. C) It will produce the exact copy of organism X. D) It will produce the exact copy of organism Y.

Answer»

C) It will produce the exact copy of organism X.

48.

The body parts that used for locomotion in Amoeba areA) Contractile Vacuole B) Cell membrane C) Nucleus D) seudopodia

Answer»

(D) seudopodia

option D is correct
Seudopodia
49.

Which of the following is not a viviparous animal ? A. rat B. lizard C. rabbit D. cat

Answer»

B. lizard 

Rat, rabbit and cat are viviparous animals whereas lizard is a oviparous animal because it lays egg.

50.

In asexual reproduction, two off springs having the same genetic material and the same body features are called : A. callus B. twins C. chromosomes D. clones

Answer»

D. clones 

In asexual reproduction, two off springs having the same genetic material and the same body features are called clones.