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23151.

Which part of mitochondria has almost 70-75% protein content?(a) Outer membrane(b) Inner membrane(c) Both outer and inner membrane(d) Intermembrane space

Answer» The correct choice is (b) Inner membrane

Easy explanation: The outer membrane of mitochondria is composed of approximately 50% lipid by weight and contains a mixture of different enzymes. The inner membrane contains more than 100 different polypeptides and has a very high protein to lipid ratio. The protein content exceeds 70% by weight.
23152.

Human mitochondrial DNA encodes for  ____________(a) 2 rRNAs(b) 3 rRNAs(c) 1 rRNA(d) 4 rRNAs

Answer» The correct choice is (a) 2 rRNAs

To elaborate: The mitochondria possess their own genetic material and the machinery to manufacture their own RNAs and proteins. In humans, the mitochondrial DNA encodes for 2 ribosomal RNAs (rRNAs).
23153.

Cajal bodies mainly consist of the protein _________(a) Emerin(b) Actin(c) Coilin(d) Desprin

Answer» Correct option is (c) Coilin

To explain: Cajal bodies re sub-nuclear compact structures with diameter between 0.2-2.0 micrometers, depending on the species. Under electron microscope, the appear as small tangles threads with a dense dictricution of the Coilin protein. They are bound to the nucleolus by coilin proteins.
23154.

Human mitochondrial DNA encodes for _________(a) 21 tRNAs(b) 31 tRNAs(c) 22 tRNA(d) 24 tRNAs

Answer» Right option is (c) 22 tRNA

The best I can explain: The mitochondria possess their own genetic material and the machinery to manufacture their own RNAs and proteins. In humans, the mitochondrial DNA encodes for 2 ribosomal RNAs (rRNAs) and also 22 transfer RNAs (tRNAs) that are used in protein synthesis within the organelle.
23155.

Choose the answer from the following that you think correct according to the text:1. Brahma, Vishnu and Mahesh represent creation, evolution and . . . .(a) Revolution(b) destruction(c) both of them(d) none of them2. The twin paradoxical demands of Indian art are(a) Impersonality and intensity(b) personality and intensity(c) Personality and development(d) none of them

Answer»

Correct option is 

1 (b) destruction

2 (a) Impersonality and intensity

23156.

Dhrupad Dhamar style of singing was started by (a) Vishnu Digambar Paluskar (b) Tansen (c) Amir Khusrau (d) Raja Man Singh Tomar

Answer»

(a) Vishnu Digambar Paluskar

23157.

The source of energy which does not produce dioxide is1. nuclear energy2. coal3. organic compound4. None of the above

Answer» Correct Answer - Option 1 : nuclear energy

Concept:

  • Energy is required for all activities.
  • It is needed to cook, to provide light and heat, to propel vehicles and to drive machinery in industries.
  • Energy can be generated from fuel minerals like coal, petroleum, natural gas, uranium and electricity.
  • Energy resources can be classified as conventional and non-conventional sources.
  • Conventional sources include firewood, cattle dung cake, coal, petroleum, natural gas and electricity (both hydel and thermal).
  • Non-conventional sources include solar, wind, tidal, geothermal, biogas and atomic energy.
  • Energy sources can also be classified as renewable(that can be regenerated) and non-renewable (cannot be regenerated)

Explanation:

  • All conventional sources produce energy by combustion and hence produce carbon dioxide
  • An exception is a hydel energy
  • Hydroelectricity is generated by fast-flowing water, which is a renewable resource
  • On the other hand, non-conventional energy sources do not cause pollution and use renewable source of energy.
  • Nuclear energy is obtained by altering the structure of atoms. When such an alteration is made, much energy is released in the form of heat and this is used to generate electric power

  • India has a huge potential for generating nuclear power.
  • Uranium and Thorium, which are available in Jharkhand and the Aravalli ranges of Rajasthan are used for generating atomic or nuclear power.
  • The Monazite sands of Kerala is also rich in Thorium
  • The first nuclear power plant in India was established at Tarapur, Maharashtra in 1969
  • At present, there are 7 nuclear power plant in India with 22 operating reactors having a capacity of 6780 MW

    Name Of Nuclear Power Station

    Location

    Kakrapar Atomic Power Station – 1993

    Gujarat

    (Kalpakkam) Madras Atomic Power Station – 1984

    Tamil Nadu

    Narora Atomic Power Station- 1991

    Uttar Pradesh

    Kaiga Nuclear Power Plant -2000

    Karnataka

    Rajasthan Atomic Power Station – 1973

    Rajasthan

    Tarapur Atomic Power Station – 1969

    Maharashtra

    Kudankulam Nuclear Power Plant – 2013

    Tamil Nadu

 ⇒ Nuclear energy does not produce dioxide

23158.

The sculpture with the three faces of Brahma, Vishnu and Mahesh known as "Trimurti" appears in (a) Ajanta Caves (b) Elephanta Caves (c) Ellora Caves (d) Kalva Caves

Answer»

(b) Elephanta Caves

23159.

Which of these countries does NOT border India?1. Pakistan2. China3. Bangladesh4. Thailand

Answer» Correct Answer - Option 4 : Thailand

The correct answer is Thailand.

  • Thailand is bordered in the west and northwest by Myanmar (Burma), in the southwest by the Andaman Sea.
  • Thailand has a population of 68 million people.
  • India shares the border with seven countries — China, Pakistan, Bhutan, Myanmar, Afghanistan, Nepal, and Bangladesh.
  • India shares its longest boundary with Bangladesh, followed by China.
  • India’s longest border is with Bangladesh while the shortest border is with Afghanistan.

  •  The length of India’s land borders with neighboring countries is as under: 
Name of countryLength of the border (KM)
Bangladesh4096
China3488
Pakistan3323
Nepal1751
Myanmar1643
Bhutan699
Afghanistan106
23160.

In which of the following lists all natural resources are renewable?1. Nuclear energy, natural gas, petroleum, coal2. Water, solar energy, wind, geothermal energy resource3. Solar energy, nuclear energy, wind, natural gas4. None of the above

Answer» Correct Answer - Option 2 : Water, solar energy, wind, geothermal energy resource

The correct option is Water, solar energy, wind, geothermal energy resource.

  • Water – Renewable
  • Solar energy – Renewable
  • Wind – Renewable
  • Geothermal energy – Renewable
  • Nuclear - Non-Renewable
  • Natural gas - Non-Renewable
  • Petroleum - Non-Renewable

Explanation:

There are basically two sources of energy:-

Renewable resources or Non-Conventional

Non-Renewable resources or Conventional

The resources which can renew themselves or can be used again and again are Renewable or non-conventional resource

The sources that cannot be replaced or reused once they are destroyed are called Non-renewable resources.

Renewable resources are replenished naturally and over relatively short periods of time. It is present in unlimited quantity

These are limited resources and consume millions of years to make. So these are used limitedly.

It has low carbon emission and hence environment friendly.

These are not environmentally friendly because the amount of carbon emission is high.

The cost is low

The cost of these resources is high.

A large land area is required for the installation of these plants

Less land requirement of installation of these plants.

They require high maintenance costs.

 

They require low maintenance costs.

For example Soil, water bodies, Sun (Solar Energy), wind, tidal energy, Atomic energy, geothermal, forest, mountains, wildlife, atmospheric resources.

Coal, oil, nuclear energy, petroleum, natural gas, LPG, batteries, shale gas, soil, and phosphate are some examples.

 

23161.

Which of the following acts as the main source of groundwater?1. River2. Rain3. Canal4. None of the above

Answer» Correct Answer - Option 2 : Rain

Concept:

  • Groundwater is the water found under the ground in soil spaces, cracks of earth's crust etc
  • The presence of groundwater in soil enables the plant to take it up to fulfil its water requirements
  • It also indicates a healthy soil
  • Groundwater is the main source of drinking water as well as irrigation in many parts of the country.

Explanation:

  • The rainwater and water from other sources such as rivers and ponds seeps through the soil and fills the empty spaces and cracks deep below the ground.
  • The process of seeping water into the ground is called infiltration.
  • The groundwater thus gets recharged by this process.
  • At places, the groundwater is stored between layers of hard rock below the water table. This is known as an aquifer.
  • Water in the aquifers can be usually pumped out with the help of tube wells or handpumps.

  • Groundwater is one of the most important water source in the country especially in rural areas
  • However, with increasing stress on natural resources because of human demand, groundwater resources are being depleted.
  • They have also got polluted because of the use of chemicals in the soil
  • A large part of the country's economy depends on agriculture, which is dependent on groundwater.
  • Hence there is a need to conserve groundwater.
  • According to recent reports, 22% of groundwater has already dried up. 
  • Urban cities are facing huge water shortage because of low groundwater levels, especially in Tamil Nadu.
23162.

(a) For every hormone there is a gene.(b) For every protein there is a gene.(c) For production of every enzyme there is a gene.(d) For every molecule of fat there is a gene

Answer» (d) For every molecule of fat there is a gene
23163.

(a) Frequency of certain genes in a population change over severalgenerations resulting in evolution(b) Reduction in weight of the organism due to starvation isgenetically controlled(c) Low weight parents can have heavy weight progeny(d) Traits which are not inherited over generations do not causeevolution

Answer» (b) Reduction in weight of the organism due to starvation is
genetically controlled
23164.

(a) boy(b) girl(c) X- chromosome does not determine the sex of a child(d) either boy or girl

Answer» (b) girl ,is correct option.
23165.

(a) the X chromosome in the zygote(b) the Y chromosome in zygote(c) the cytoplasm of germ cell which determines the sex(d) sex is determined by chance

Answer» (b) the Y chromosome in zygote
23166.

(i) large chromosome(ii) small chromosome(iii) Y-chromosome(iv) X-chromosome(a) (i) and (ii) (b) (iii) only(c) (iii) and (iv) (d) (ii) and (iv)

Answer» (c) (iii) and (iv)
23167.

Overy is half superior in

Answer»
  • A half-inferior ovary (also known as “half-superior”, “superior” or “partially inferior,”) is embedded or surrounded by the receptacle. This occurs in flowers of the family Lythraceae, which includes the crape myrtles. Such flowers are termed perigynous or half-epigynous.

In this case half inferior or half superior in plum, rose and peach. Both half inferior and half superor are same.

23168.

Which of the following proteins is globular?A. collagenB. albuminC. myosinD. fibroin

Answer» Correct Answer - b
Albumin is a globular protein
23169.

Find heat absorbed for an isothermal process in vacuum[Given: V1 = 4L, V2 = 10 L](a) 0(b) 1(c) 2(d) 3

Answer»

Correct option is (a) 0

For an isothermal process in vacuum 

dU = 0 

dW = 0 

dU = dq + dW

∴ dq = 0

23170.

Which among the following is a neutral complex?A. `[Fe(H_(2)O_(6)]Cl_(3)`B. `[Ni(NH_(3))_(6)]Cl_(2)`C. `[Pt(NH_(3))_(2)Cl_(2)]`D. `k[Ag (CN)_(2)]`

Answer» Correct Answer - C
A neutral complex is a complex ion which have no charge on it. Among the given options
`[Pt(NH_(3))_(2)Ci_(2)]` is neutral complex. The type of complexes in other options are as follows:
(a) `[Fe(H_(2)O)_(6)]CI_(3)` - cationic complexes
(b) `[Ni(NH_(3))_(6)]CI_(6)` - cationic complexes
(d) `k[Ag (CN_(2))]`- anionic complexes
23171.

Assertion: For Group 15 elements, the acidity of pentavalent oxide of is greater than trivalent oxide.Reason: Down the group acidity Decreases.(a) Both assertion and reason are true, reason is correct explanation of assertion.(b) Both assertion and reason are true, but reason is not a correct explanation of assertion.(c) Assertion is true, but reason is false(d) Assertion is false, but reason is true

Answer»

(b) Both assertion and reason are true, but reason is not a correct explanation of assertion.

The oxide in the higher oxidation state of the element is more acidic than that of lower oxidation state. Their acidic character decreases down the group. The oxides of the type E203 of nitrogen and phosphorus are purely acidic, that of arsenic and antimony amphoteric and those of bismuth predominantly basic.

23172.

Nitrogen gas is obtained by thermal decomposition of (A) Ba(NO3)2 (B) Ba(N3)2 (C) NaNO2 (D) NaNO3

Answer»

Correct option is (B) Ba(N3)2 

Ba(N3)→ Ba + 3N2

23173.

Which among the following alloys is used in making instruments for electrical measurements ?A. Stainless steelB. ManganinC. SpiegeleisenD. Duralumin

Answer» Correct Answer - B
Manganin is an alloy which is used in making instruments for electrical measurement .
23174.

The relationship between rate constant and half life period of zero order reaction is given by _______.A. `t_(1/2) = [A]_(0)2k`B. `t_(1/2) = 0.693/k`C. `t_(1/2) = ([A]_(0))/(2k)`D. `t_(1/2) = (2[A]_(0))/k`

Answer» Correct Answer - C
For zero order, integrated rate equation is
`k=1/t {[A]_(0) - [A]_(t)}`……….(i)
But when `t=1/(t_(1/2)), [A]_(t) = [A]_(0)/2`
From (i),
`k1/(t_(1/2)) {[A]_(0) - ([A]_(0))/2}`
`therefore k =([A]_(0))/(2t_(1/2)) therefore t_(1/2) = [A]_(0)/(2k)`
23175.

Given below are two statements : Statement -I : The pentavalent oxide of group- 15 element. E2O5. is less acidic than trivalent oxide. E2O3. of the same element. Statement -II :The acidic character of trivalent oxide of group 15 elements. E2O3. decreases down the group.In light of the above statements. choose most appropriate answer from the options given below: (A) Both Statement I and Statement II are true. (B) Both Statement I and Statement II are false. (C) Statement I true. but statement II is false. (D) Statement I is false but statement II is true.

Answer»

(D) Statement I is false but statement II is true.

As +ve oxidation state increases, EN of element increases hence acidic character increases. Down the group, non-metallic character decreases, acidic character decreases.

Acidic character : E2 O5 > E2 O3

Down the group, acidic character of E2O3 decreases

23176.

Which among the following group 15 element forms most stable pentavalent compound ?A. phosphorusB. antimonyC. bismuthD. arsenic

Answer» Correct Answer - a
Phosphorus being the group 15 element which forms most stable pentavalent compound due to the presence of vacnt d orbital to overlap with it
eig `PCI_(5)`
it alos favours `Ppi dpi` bonding which has the strongest overlapping between the orbital 1s for a stable bond formation
23177.

The process in which metal surface is made inactive is calledA. PassivationB. GalvanizingC. CorrosionD. Pickling

Answer» Correct Answer - A
Passivation: A/c to definition
23178.

Molarity is defined asA. The number of moles of soluble dissolved in one `dm^(3)` of the solutionB. The number of moles of solute dissolved in 1 Kg of solventC. the number of moles of solute dissovled in `dm^(3)` of the solventD. the number of moles of solute dissolved in 100 ml of the solvent

Answer» Correct Answer - A
A/c to definition of molarity.
23179.

What is the basicity of orthophosphorous acid ?A. OneB. TwoC. ThreeD. Four

Answer» Correct Answer - B
Orthophosphorus acid, `H_(3)PO_(3)`
`H-overset(O)overset(||)underset(OH)underset(|)P-OH`. It is dibasic.
23180.

Name the metal that is purified by placing the impure metal on sloping hearth of a reverberatory furnace and heating that above its melting point in absence of air.A. MercuryB. GaliumC. ZirconiumD. Copper

Answer» Correct Answer - A
It is a liquation process.
Ex. Metals like Br, Sn, Pb and Hg are separated form their crude form by liquation.
23181.

How is ore of aluminium concentrated?A. RoastingB. LeachingC. Froth floatationD. Using Wilfely table

Answer» Correct Answer - B
Ore of Al connected by leaching.
23182.

Identify a metallloid from the following list of elementsA. CarbonB. NeonC. SodiumD. Tellurium

Answer» Correct Answer - D
Carbon and Neon are nonmetals, Sodium is metal while Tellurium is a metalloid.
23183.

The following are true about Rickettsiae. a. Unicellular organisms b. Prokaryotic intracellular parasites c. Presence of 70 S ribosomes d. It causes hemolysis in human beings e. Gram negative plemorphic rods

Answer»

d. It causes hemolysis in human beings

23184.

A number of viruses are known to infect mycoplasmas, called a. Bacteriophages b. Mycoplasma phages c. Virions d. Tiny strains

Answer»

b. Mycoplasma phages

23185.

Chromium is typical hard metal while mercury is a liquid. Explain why ?

Answer»

Cr has five unpaired d-electrons. Hence metallic bonds are strong. In Hg, there is absence of unpaired electrons and size is larger.

23186.

Most of the transition metals do not displace hydrogen from dilute acids, why ?

Answer»

Due to their -ve reduction potential.

23187.

In plants growth is(1) Restricted to certain regions or structure (2) Irreversible (3) Change in size (4) All the above

Answer»

(4) All the above

23188.

Fill in the blanks with appropriate expressions given In brackets below.(Wow’ You look great…. /May I compliment you on this / May I say how…)1. Mr. Awn : ...... enlightening your speech was.Principal: Thank you.2. Sneho : ........ now that you ore using lenses instead of spectacles.Megha: Thanks.3. Ambassador: You have taken great care to beautify your city ...............Megha: Thanks

Answer»

1. Mr. Arun: May I say how enlightening your speech was. Principal: Thank you.

2. Sneha: Wow! You look great now that you are using lenses instead of spectacles. Megha: Thanks.

3. Ambassador: You have taken great care to beautify your city. May I compliment you on this? Minister: Thank you.

23189.

To be so excited that you lose control is to get ______. A) carried away B) carried off C) carried over

Answer»

Correct option is A) carried away

23190.

In 2005 he was a winner of a Whiteley Award for outstanding leadership in nature conservation. From this fund he created the Agumbe Rainforest Research Station for the study of king cobras and their habitat. Can you name this living legend?

Answer»

Romulus Whitaker

23191.

Congratulating ActivityProvide an imaginary situation for the following expressions.1. Well done! (informal)2. Congratulations We are proud of you (formal)3. May we congratulate you? (formol)4. Con grats! (informal)5. We are happy for you. (informal)

Answer»

1. You have won a prize in a party game.

2. You have won a shield for your college.

3. You have been promoted to a higher position.

4. You have won a college election.

5. You are engaged to be married.

23192.

Enlist the types of fusing machines that are used in garment industry. Explain any two of them?

Answer»

For fusing basic requirement is pressing. There are three types of press :

1. Steam 

2. Flat bad 

3. Continuous fusing

1. Steam press: Used for certain type of fusible. Required glue line temperature is achieved by the means of steam from the head of the press.

Limitations: sometimes steam press does not reach the heat level required by most of the resins.

2. flat bed press: It is a purpose built fusing machine.

It consists of padded top and bottom buck with heated element in one or both bucks bottom buck is static, with top buck raised or lowered to the press.

23193.

To put someone in prison is to ______. A) lock them up B) do them in C) blow them up

Answer»

Correct option is A) lock them up

23194.

He was captain of the Indian team in the first official football game in its history. He had a nine-year career as a professional footballer with Mohun Bagan. After his retirement from football, he studied medicine and in 1978 became the director of Nagaland Health Services. Name the legend?

Answer»

Dr Talimaran Ao (January 28, 1918 — September 13, 1998)

23195.

What is bundle ticket? Which information does it comprise of? What is its use in garment industry?

Answer»

Bundle tickets are the bundle card or bad barcode stickers which are attached to a bundle (containing same type of goods) which give information about that particular bundle is called Bundle ticket.

Bundle tickets give the information about the work such as the style number, size of garment the number of garments in the bundle and the date issued. This is helpful especially when a variety of garment styles, in a range of sizes, have been cut from the same fabric.

Bundle tickets are used in progressive bundle system. In this system bundles of garment parts are more in sequence from one sewing machine operator to next. Each worker receives a bundle of unfinished garment and performs a single operation on each garment of that bundle. After finishing his work on a bundle they are retied the bundle and passed to next operator. Information of work is given on bundle ticket.

23196.

To not punish someone for their crime is to ______. A) give them over B) let them off C) put them away

Answer»

Correct option is B) let them off

23197.

Provide suitable dialogues for the contexts given below.1. The Principal congratulates the captain of the football team on winning in the state level sports meet.Principal : .............Captain : ..............

Answer»
  • Principal: Well done students. I am proud of you. 
  • Captain: Thank you, We owe our success to your encouragement.
23198.

Satish has received an appointment order from Infosys. His neighbour, Ram congratulates him. Write a dialogue between them.

Answer»
  • Ram: Hi, Satish, t heard that you have been selected by Infosys.
  • Satish: Yes, Ram. I received the appointment order today.
  • Ram: That’s great. When have you to join?
  • Satish: They have given me only 15 days’ time to report.
  • Ram: Which office do you have to report to?
  • Satish: The office at Whitefield.
  • Ram: It’s pretty far, isn’t it?
  • Satish: Yes, it is. But there’s the pick-up and drop facility. The food at the Food Court is also subsidised. So, it’s 0K to commute that far every day.
  • Ram: Good. You seem to have weighed the pros and cons. All the best for the new job.
  • Satish: Thanks, Ram. Hope I will do well.
23199.

To succeed in not being punished for a crime is to ______ it A) get away with B) make off with C) pick through

Answer»

Correct option is A) get away with

23200.

Being able to stop and calm down when one is upset, is an example of ________ skills.

Answer»

Being able to stop and calm down when one is upset, is an example of Self-management skills.