Here are the solutions to Diagnostic Test 4.
Award yourself 2 marks for every correct answer and take away -0.66 for every wrong answer.
Ans 1. (d)
The Union Cabinet has approved the promulgation of the Prohibition of Electronic Cigarettes (production, manufacture, import, export, transport, sale, distribution, storage and advertisement) Ordinance, 2019.
Electronic nicotine delivery systems (ENDS) or non-combustible tobacco products are known by many names — vapes, e-hookahs, electronic cigarettes and e-pipes.
According to a white paper on e-cigarettes by the Indian Council of Medical Research (ICMR), depending on the battery output voltage used, nicotine solvents can release in varying amounts potential carcinogens such as acetaldehyde, formaldehyde and acetone. E-cigarettes also contain volatile organic compounds, heavy metals, such as nickel, tin and lead.
The correct answer is: 1, 2 and 3
Heptachlor is an insecticide.
All electromagnetic waves have same speed in vacuum. The spectrum is given below:
Insectivorous plants photosynthesise normally butt they often grow in nitrogen-deficient habitats and have, therefore, evolved mechanisms to capture small insects and use them as a source of nitrogen.
Parasitic plants are known to synthesise their own food through the process of photosynthesis. However, some plants have lost their capacity to photosynthesise during evolution and are, therefore, dependent on other plants, totally or partially.
Saprophytic plants derive their nourishment from dead and decaying organic matter. Although most plants are autotrophic, some of those that have lost their capacity to photosynthesise have learnt to get their nourishment from dead and decaying organic matter.
The correct answer is: 2 and 3 only
Paddy blight is a bacterial disease affecting paddy.
Bunchy top is a viral disease affecting banana.
Proteins are the principal material of skin, muscles, tendons, nerves and blood; of enzymes, antibodies and many hormones.
Recently, NASA announced that they plan to investigate how new stars are born. For this, they will take the help of a natural phenomenon called “gravitational lensing”. This programme is called TEMPLATES (Targeting Extremely Magnified Panchromatic Lensed Arcs and Their Extended Star Formation).
Recent paper from Google’s quantum computing lab announced that the company had achieved quantum supremacy. Google’s quantum computer, named Sycamore, claimed ‘supremacy’ because it reportedly did the task in 200 seconds that would have apparently taken a supercomputer 10,000 years to complete.
Aflatoxin is a mould produced by fungus that are toxic and carcinogenic.
Scientists from Rutgers University have figured out how diatoms, small algae that produce 20% of the world’s oxygen, harness solar energy. The discovery could lead to the development of algae based biofuels and relief from fossil fuels. The algae store energy in the form of oils. Further understanding this process can release a lot of this oil which can be used as biofuel to drive vehicles.
The correct answer is: Both 1 and 2
Curiosity Rover – Mars and New Horizons – Pluto
FASTag is a device which uses RFID technology for making toll-payment directly from the prepaid account.
Unique Identification Authority of India (UIDAI) is a statutory authority established under the provisions of the Aadhaar Act, 2016. It works under the aegis of Ministry of Electronics and Information technology.
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