The property of metals by which they can be beaten into thin sheets is called malleability. The property of metal by which it can be drawn into wires is called ductility.  Since metals produce ringing sounds, they are said to be sonorous. The materials other than metals are not sonorous.

Microorganisms are classified into four major groups. These groups are bacteria, fungi, protozoa and some algae. Virus reproduce only inside the cells of the host organism, which may be a bacterium, plant or animal. Common ailments like cold, influenza (flu) and most coughs are caused by viruses. Serious diseases like polio and chicken pox are also caused by viruses. Diseases like dysentery and malaria are caused by protozoans whereas typhoid and tuberculosis (TB) are bacterial diseases.

Net neutrality is the principle that Internet service providers and governments should treat all data on the Internet equally, not discriminating or charging differentially by user, content, site, platform, application, type of attached equipment, or mode of communication.

The case for net neutrality has slowly but firmly attained critical mass and entered the mainstream consciousness supported by politicians and celebrities like Digvijay Singh, Shahrukh Khan and Farhan Akhtar tweeting their support for a free internet. The debate caught public imagination especially after an AIB video explaining net neutrality went viral on the web to the extent that Facebook had to take it off after it’s algos decided the video was spam. But the video was restored shortly, say reports.

1. Which among the following is a Kharif Crop?

(a) Wheat

(b) Gram

(c) Mustard

(d) Rice

Rice is the right answer.
The crops which are sown in the rainy season are called kharif crops. The rainy season in India is generally from June to September. Paddy, maize, soyabean, groundnut, cotton, etc., are kharif crops.
The crops grown in the winter season are called rabi crops. Their time period is generally from October to March. Examples of rabi crops are wheat, gram (parippu), pea, mustard and linseed.

1. Who gave the revolutionary message - No Caste, No Religion, No God for Man?

(a) Swadeshabhimani Ramakrishna Pillai

(b) Ayya Vaikundar

(c) Sahodaran Ayyapan

(d) Mannathu Padmanabhan

Sahodaran Ayyapan is the right answer.
He founded the Vidhya Poshini Sabha. In 1917 he started the a movement for interdining and founded the ‘‘Sahodara sangham’’. "Sahodaran" was a paper started by Sahodaran Ayyappan.

1. Who wrote Vrithantha Pathra Pravarthanam (1912), the first book on journalism in the Malayalam language?

(a) Swadeshabhimani Ramakrishna Pillai

(b) Ayya Vaikundar

(c) E. V. Ramasami

(d) Mannathu Padmanabhan

Swadeshabhimani Ramakrishna Pillai is the right answer.
Swadeshabhimani Ramakrishna Pillai (1878–1916) was the editor of the newspaper Swadeshabhimani (The Patriot) and hence known by the name. The criticisms against the Diwan of Travancore, P. Rajagopalachari, the Government and the Maharajah of Travancore that appeared in his newspaper irritated the authorities and eventually resulted in the confiscation of the newspaper and press and he was arrested and exiled from Travancore in 1910. He wrote Vrithantha Pathra Pravarthanam (1912), the first book on journalism in the Malayalam language. He also wrote the biography of Karl Marx (1912) in Malayalam, which was the first Marx biography in any Indian language. Ramakrisha also started a woman's magazine called Sharadha, a student's magazine Vidhyarthi and another magazine named Keralan.

1. The social reformer of Kerala who opened his family temple for everyone, irrespective of caste distinction?

(a) Narayana Guru

(b) Ayya Vaikundar

(c) E. V. Ramasami

(d) Mannathu Padmanabhan

Mannathu Padmanabhan is the right answer.
Mannathu Padmanabhan (1878 - 1970) was a social reformer and a freedom fighter from the State of Kerala, India. He is recognised as the founder of the Nair Service Society, which claims to represent the Nair community that constitutes almost 14.5% of the population of the state. He fought for social equality, the first phase of being the Vaikom Satyagraha, demanding the public roads near the temple at Vaikom be opened to low caste Hindus. In 1924 he took part in the Vaikom and Guruvayoor temple-entry and anti-untouchability agitation. He opened his family temple for everyone, irrespective of caste distinction He became a member of the Indian National Congress in 1947 and took part in the agitation against Sir C. P. Ramaswamy Iyer’s administration in Travancore.