Question Discussion & Solution

Explanation:

• Pulses are considered to be nitrogen-fixing crops as they have root nodules onto which symbiotic nitrogen-fixing bacteria like Rhizobium get attached and fix atmospheric nitrogen
• Whereas, Cereals are the crops that demand a lot of nitrogen thus after harvest the soil becomes deficient in nitrogen, so to compensate for this deficiency a pulse crop is grown between two cereal crops
• This practice of growing different food crops alternatively in the same field is called Crop Rotation

Important Points 

Crop Rotation

• Crop rotation is the practice of growing a series of different types of crops in the same area across a sequence of growing seasons
• It reduces reliance on one set of nutrients, pest and weed pressure, and the probability of developing resistant pests and weeds.
• Crop rotation involves planting a sequence of different kinds of crops in a location over a number of seasons.
• Rotating crops helps maintain or improve soil health and maintain or increase the productivity of the farm over time
• A diverse crop rotation gives the soil microbes different food sources, which ultimately makes soil healthier.

The correct answer is Ammeter. 

Key Points

• An ammeter is the instrument used to measures the electric current in a circuit.
• Electricity is the flow of free electrons.
• Unit of Current - Ampere.
• Father of  Electricity - Michael Faraday. 

Additional Information

Ohmmeter

• The instrument used to measure the electrical resistance.
• Electrical resistance opposes the flow of electric current in a circuit.
• Unit of Resistance - Ohm
• Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points.
• V=IR, where (R) Resistance is the proportionality constant.

Thermometer

• An instrument used to measure the temperature.
• The first Mercury Thermometer was invented by Gabriel Fahrenheit.

​Gyroscope

• The instrument used to measure or maintaining the orientation of angular velocity.
• Gyroscope was invented by Leon Foucault.

The correct answer is connective.

• Blood is a type of connective tissue. 

Key Points

• ​Connective tissue
  • This is a kind of biological tissue that supports, connects, or separates different types of tissues and organs of the body.
  • Examples- Tendons, ligaments, cartilage, bone, blood.
• Blood has a fluid (liquid) matrix called plasma, in which red blood corpuscles (RBCs), white blood corpuscles (WBCs), and platelets are suspended.
  • The plasma contains proteins, salts, and hormones.
  • Blood flows and transports gases, digested food, hormones, and waste materials to different parts of the body.

Additional Information

• Epithelial tissue:
  • The epithelial tissues are formed by cells that cover the organ surface such as the surface of the skin, the airways, the reproductive tract, and the inner lining of the digestive tract.
• Muscular tissues:
  • Muscular tissue is a soft tissue that composes muscles.
  • Skeletal muscle (voluntary muscles), cardiac muscle (involuntary muscles) are examples of it.
• Nervous tissue:
  • The main components of the nervous system are the brain, spinal cord, and nerves which regulate and control body functions.
  • It is made up of neurons that have important functions in the nervous system.

Joule is the SI unit of Energy.

Similarly,

Pascal is the SI unit of pressure.

Hence, pressure is the correct answer.

Additional Information 

* S.I Unit of Resistance is the Ohm.

* S.I Unit of Energy is Joule.

* S.I Unit of Volume is the Cubic meter.

* S.I Unit of Force is Newton.

* S.I Unit of Area is the Square meter.

* S.I Unit of Temperature is Kelvin.
Important Points 

There is a total of 9 S.I units.

1. 7 of them are fundamental units.

2. 2 of them are Supplementary units.

Key Points

• Gramin Gaurav Path is a major road construction program started by the state Government of Rajasthan and is implemented by Public Works Department (PWD). 
• Under the Gramin Gaurav Path project, the government aims to construct main Gram Panchayat roads in 33 districts in the Rajasthan state. 
• In the first phase, the government planned to construct 1720 km of roads in the 1972 gram panchayat.
• In the second phase, the government plan to construct 2098 km of roads in 2086 gram panchayat.
• The government has aims to construct roads in all villages that come under the main gram panchayat for hassle-free transport for villagers.  

Important Points

• The main objective of the Gramin Gaurav Path Scheme is to construct a Cement Concrete road and proper drainage at each Gram Panchayat headquarters with the purpose of creating a neat and clean environment.
• The program also aims to provide damage-free roads for commuters at each Gram Panchayat Headquarters.
• Rural villagers now easily travel to schools, hospitals, temples, farms, nearby villages, and towns because of the construction of good roads. 
• The Rajasthan government has approved Rs 1,115 crore for the Gramin Gaurav Path program

Additional Information

• Rajasthan is a state in northern India. 
• It covers 342,239 square kilometres or 10.4 per cent of India's total geographical area. 
• It is the largest Indian state by area and the seventh-largest by population
• Area: 342,239 km²
• Governor: Kalraj Mishra
• Capital: Jaipur 
• Population: 6.89 crores 
• Chief minister: Ashok Gehlot