Q.1) Recently, a molecule E2D was in news. Consider the following statements
It is found in mammalian blood
It gives blood its characteristic metallic odour
It is used by predators to locate blood or prey
Select the correct statements
1 and 2
2 and 3
1 and 3
All of the above
Q.2) Consider the following statements about ‘Paika Rebellion’
It was led by Bakshi Jagabandhu Bidyadhar
It took place when the British East India company wrested the rent-free land that had been given to the Paiks for their military service to the Kingdom of Khurda
Select the correct statements
1 Only
2 Only
Both 1 and 2
Neither 1 nor 2
Q.3) Consider the following statements about Water fluoridation
Low levels of fluoride in drinking water (0.5 to 1 mg/l) protect against dental caries
High levels of fluoride in drinking water (above 1.5 mg/l) lead to dental and skeletal fluorosis
Select the correct statements
1 Only
2 Only
Both 1 and 2
Neither 1 nor 2
Q.4) Singur, a rural block in West Bengal’s Hooghly district was in news recently due to
Butterfly and Frogs Diversity
New butterfly species ‘Banded Tit’
New species of Zingiber with medicinal properties
None of the above
Q.5) Which of the following statements about Particulate Matter is INCORRECT?
It is the sum of all solid and liquid particles suspended in air including both organic and inorganic particles
Particulate matter present in air is divided into different categories depending on the size of the particles.
PM 2.5 is an atmospheric particulate matter of diameter of fewer than 2.5 micrometres, which is around 3 per cent the diameter of a human hair