Biology Questions for Railway & SSC CGL Exam 2018


Railway Board offers opulent and revered job posts to its aspirants. And it is not every year that we get the notification from Railway offering a good number of vacant seats to the multitude aspirants. But the current year 2018 brought a pleasant surprise with almost 90,000 seats to be filled by the valid candidates. Opportunity is here but you have to welcome it with a provident strategy. 


Q1.Peeling of onions causes tears as onions release-
 (a) Sulphonic acid 
(b) Sulfenic acid
(c) Amino acid 
(d) Carbolic acid 
Ans.(b)
Sol. Peeling, cutting or crushing an onion’s tissue releases enzymes called allinases which convert these molecules to sulfenic acids. The sulfenic acid in turn, spontaneously rearranges to form syn-propanethial-s-oxide, the chemical that triggers the tears.

Q2.Pungency in chillies is due to the presence of

(a) Lycopene
(b) Capsaicin
(c) Carotene
(d) Anthocyanin
Ans.(b)
Sol. Chillies are valued principally for their high pungency and colour. Pungency in chillies is due to the active constituent “Capsaicin” an alkaloid which is extracted from chillies and is used to the medicine. The molecular formula of Capsaicin is C18H27NO3.

Q3.Rearing silk worms is known as- 
(a) Apiculture
(b) Horticulture
(c) Sericulture
(d) Floriculture
Ans.(c)
Sol. Apiculture – Rearing bees
Horticulture –  Study of fruit and flower producing plants
Sericulture –   Rearing silk worm.
Floriculture –  Study of flowers for decoration work.

Q4.Silkworm grows on

(a) Reetha leaves 
(b) Ficus leaves 
(c) Peach leaves 
(d) Mulberry leaves
Ans.(d)
The silkworm is the larva or caterpillar of the domesticated silkmoth, Bombyx mori. It is an economically important insect, being a primary producer of silk. It grows on leaves of the mulberry tree.

Q5. Which one of the following is a plant hormone? 


(a) Insulin
(b) Thyroxine
(c) Estrogen
(d) Cytokinin
Ans.(d)
The plant hormones are generally classified into five groups, These are :
(i) Abscisic acid 
(ii) Auxins
(iii) Cytokinins 
(iv) Ethylene
(v) Gibberellins

Q6. Quinine, used to treat malaria is obtained from which plant’s part?


(a) Leaf
(b) Root
(c) bark
(d) Flower
Ans.(c)
Quinine was first isolated in 1820 from the bark of a cinchona tree. Bark extracts have been used to treat malaria since at least 1632.

Q7. Plants adapted to dry climate are known as
(a) Epiphyt
(b) Xerophyte
(c) Hydrophytes
(d) Mean plants
Ans.(b)
xerophyte is a species of plant that has adapted to survive in a dry environment. Opuntia, madar, Nerium are the major plants of this type.

Q8. Plants which grow on saline soils are

(a) Xerophytes
(b) Hydrophytes
(c) Halophytes
(d) Succulents
Ans.(c)
Hydrophytes or aquatic plants are plants that have adapted to live in an aquatic environment (saltwater or freshwater). They are also referred as macrophytes. These plants require special adaptations for living submerged in water or at the water’s surface. Plants growing on saline soils or water are called halophytes.

Q9. A hydrophyte is

(a) A marine animal
(b) An aquatic plant
(c) A plant disease
(d) A rootless plant
Ans.(b)
Hydrophytes or an equatic plants are plants, that have adapted to live in an aquatic environment (salt water or fresh water). They are also referred as macrophytes.

Q10. Which of the following is not correctly matched

(a) Autotroph : producer
(b) Haterotroph: Consumer
(c) Saprotroph: Decomposer
(d) Herbivore: Secondary Consumer
Show Answer
Ans.(d)
Auttotrophs are the producers in a food chain such as plants on land or algae in water, in contrast to heterotrophs as consumers of autotrophs. Saprotroph, a term used for organisms which obtain nutrients from dead organic matter (this term commonly applies to fungi). A herbivore is an animal anatomically and physiologically adapted to eating plant material (for example foliage) for the main component of its diet. More generally, herbivores feed on autotrophs and are known as primary consumers. Thus option (d) is not correctly matched.

Q11. Trophic level-I includes:

(a) Herbivorous animals
(b) Carnivorous animals
(c) Omnivorous animals
(d) Green plants
Ans.(d)
Trophic level-I includes all autotrophs which synthesize their food by themselves. All green plants belong to this trophic level. Organisms of trophic level-I usually utilize the radiant energy of the sun to synthesize their oganic molecules.

Q12. Fishers survive under the frozen lake, because

(a) Fishes have hot blood
(b) Fishes are in hibernation under it
(c) Water does not freeze near bottom
(d) Ice is the conductor of heat.
Show Answer
Ans.(c)
Lakes and rivers are frozen when the outer temperature decrease below the freezing point in winters. But only the upper layer freezes in the condition. Water remains in liquid form below the upper layer. So fishes and other aquatic creatures can survive even in frozen lake.

Q13. After bringing out of water fishes die because

(a) They get excess quantity of oxygen
(b) Their body temperature increases
(c) They cannot breathe
(d) They can not move in water
Ans.(c)
Fish use gills to breath and gills can only bring in oxygen when moist. Out of water, a fish’s gills dries out and then the fish dies.

Q14. Redness in apple is due to

(a) Anthocyanin
(b) Lycopene
(c) Carotene
(d) Xanthophyll
Ans.(a)
 Anthocyanins are the pigment compounds and responsible for red, purple and blue colours in many fruits and vegetables. Lycopene pigment is in red colour like tomato, carotene in carrot and xanthophyll pigment present in beetroot.

Q15. Red colour in tomato is due to

(a) Capsaicin
(b) Carotenoid
(c) Xanthophyll
(d) None of the above
Ans.(b)
carotenoid is responsible for the redness of tomato.


JVVNL Recruitment 2018 – 2433 Technical Helper Posts

 JVVNL Recruitment 2018 – 2433 Technical Helper Posts
Jaipur Vidyut Vitaran Nigam Limited (JVVNL) has published employment notification for the recruitment of Technical Helper .2433 Technical Helper Vacancies number is mentioned in this RVVNL Recruitment notification Candidates who are interested in the Recruitment details and fulfill all eligibility criteria can read the Notification & Apply Online.



Eligibility Criteria for JVVNL Technical Helper Jobs 2018

Essential Qualification

Candidates should have passed 12th Pass & Degree/ Diploma in the Technical field (ITI) from a Recognized university

Age Limit

Minimum: 18 Years
Maximum: 36 Years

Selection Process

Written Exam
Interview

Application Fee

General/OBC: Rs.800/-
SC/ST: Rs.550/-.

How to Apply for JVVNL Latest Recruitment 2018

  • First of all visit official website energy.rajasthan.gov.in
  • Click on career section.
  • Look around for “JVVNL Recruitment 2018 for Technical Helper Posts“.
  • Fill application form.
  • Pay the application fee.
  • Click on submit button for final submission.
  • Save and take print out for future use.

Important Dates for JVVNL Technical Helper Recruitment 2018

Starting Date of Application Form: 02-07-2018
Closing Date of submission of Application: 23-07-2018

Books for SSC CGL 2018 | Subject-wise List of Books

SSC CGL is one of the most examination in India. Clearing  the examination can be really challenging if not use the right book and resources. Preparation with the right books will always helpfull . Most importantly, it saves a lot of time which can be used elsewhere. We understand your needs and so we provide List of books for all the subjects from relevant Tiers. You need to refer these listed books to increase the efficiency of your preparation.

Written examination consists of Objective Type - Multiple choice questions only. It comprises of 4 Parts. The questions will be set both in English & Hindi for Part II, III & IV. There will be negative marking of 0.50 marks for each wrong answer.

Part I: English Language (Basic Knowledge) | 25 Questions | 50 Marks


Part II: General Intelligence | 25 Questions | 50 Marks

Part III: Quantitative Aptitude (Basic Arithmetic Skill) | 25 Questions | 50 Marks

Part IV: General Awareness | 25 Questions | 50 Marks

The Marathas :History Notes


Shivaji


1.Shivaji belonged to Bhonsle Clan.
2.Guru Ramdas was his political Guru.
3.His coronation was held at Raigarh in 1674. His kingdom was called Swaraj.
4.He adopted the titles of Chhatrapati, HaindavaDharmodharak& Kshatriya Kulavatamsa.
5.He had confrontation with Afzal Khan of Bijapur in 1659.
6.He also had confrontation with Shayista Khan in 1660.
7.He sacked Surat in 1664 again in 1670.
8.Died in 1680.


The Ashtapradhan (Ministers)

Peshwa / Mukhiya Pradhan -Prime Minister, General administration both civil and military.
Sar-i-Naubat                         -Chief of armed forces
Majumdar/ Amatya                -Finance , Revenue , Accounts
Sachiv/Surunavis/Chitnis -Royal Correspondence
Dabir/Sumant                         -Foreign Affiars/ Royal ceremonies
Mantri/Waqla-Nawis/Wakins -Incharge of records, intelligence and looked after king’s private affairs.
NayayadhishPandit Rao         -Justice Religious affairs and Charities

THE PESHAWAS

1. BalajiViswanath         1713-20
2. Baji Rao I                   1720-40
3. BalajiBaji Rao            1740-61
4. Mahadev Rao             1761-72
5. Narayan Rao              1772-73
6. Swami Madhav Rao   1773-95
7. Baji Rao Ji                 1795-1818

Maratha Families and Their Headquarters

1. Pashwa                 Poona
2. Scindia                 Gwalior (Initially Ujjain)
3. Gaekwad             Baroda
4. Bhonsle                Nagpur
5. Holker                 Indore
6. Pawar                 Dhar

Maratha Confederacy

BalajiViswanath
1.The first Peshwa, in 1713.
2.Induced Zulfiquar Khan to pay Chauth and Sardeshmukhi of Deccan.
3.Helped the Sayyid brothers to overthrow Farruksiyar
4.Introduced Saranjami System

Baji Rao I
1.The greatest exponent of Guerrilla tactics after Shivaji
2.Worsted Nizam-ul-Mulk twice.
3.Compaigned against the Portuguese-captured Salsette&Bassein
4.Compaigned against the Sidis of Janjira
5.Propounded concept of Hindu Pad Padshahi, Real architect of Maratha Empire.

BalajiBaji Rao (Nana Sahib)
1.Maratha families came into prominence.
2.By the will of the king Shahu the Peshwa became the official head.
3.Capital was shifted to Poona from Satara.
4.Invaded Bengal repeatedly – gained Orissa.
5.Helped Imad-ul-mulk to become Wazir.
6.Invasion of Ahmed Shah Abdali – Battle of Panipat 1761 – the nominal head of the Maratha army was Viswas Rao and the actual commander was Sadasiva Rao Bhao (killed in the battle). Artillery was under the command of Ibrahim Gardi.

Madhav Rao
1.Defeated Haider Ali.
2.Brought back the Mughal Emperor Shah and became their Pensioner.
Narayan Rao
1.Conflict for power with Raghunath Rao.
2.Raghunath Rao tried to capture power with the British help.
3.First Anglo-Maratha war.

Baji Rao II
1.Son of Raghunath Rao.
2.MahadjiSchindia rose to prominence. He established control over Shah Alam and secured the appointment of Peshwas as the emperor’s deputy.

History Notes: 1857 Revolt


General facts-
PM of England – Palmerston
Governor general – Lord Canning of India
Emperor of India – Bahadur Sah Jafar
Commander of Britishers –Campbell


REASONS OF REVOLT
A. Reason between 1757 – 1857
Wellesely – Treaty of Subsidiary Alliance
Dallousive – Doctrine of lapse
Revenue System- Exploitation of Peasents
Education  → Modernity → Analysis
Indian Industries → closed
Rural Industries → closed
Conversion into Christan
Social interference → Sati, Slave, widow remarriage Act.
Sepoy dissatisfaction

B. Immediate Cause
Use of rifle,  cartridges of this rifle were made from cow and pig fat.



Nature of Revolt

Lorentz & Seele  Sepoy movement

Reege               : Revolt against Christianity
Homes                : A war between cirilisation and anarchasim
Taylor                 : Hindu – Muslim conspiracy
Disraeli                 : National movement
R. C. majumdar : Neither first nor national and freedom struggle
V. D. Sawarkar : First war of Independence