a) Chlorophyll
b) Acteoside
c) Curcumin
d) Nicotine
Answer: b) Acteoside
Explanation: A bioactive compound Acteoside was found in red ivy and it was used in the healing pad.
Q2. The wound pad was created by which institute?
a) IIT Delhi
b) CSIR Hyderabad
c) JNTBGRI Kerala
d) IISc Bangalore
Answer: c) JNTBGRI Kerala
Explanation: Jawaharlal Nehru Tropical Botanic Garden Research Institute (Kerala) have developed the nanotech pad.
Q3. What technology was used to design the layer of nanofibre?
a) Bio-printing
b) Electro-spinning
c) Hydrolysis
d) Fermentation
Answer: b) Electro-spinning
Explanation: Electro-spinning technique was adopted to produce nanofibres which resemble natural tissues.
Vulture Conservation - Pandemic Preparedness
Q1. What was the primary reason for decline in vultures in India?
a) Habitat loss
b) Diclofenac drug poisoning
c) Hunting
d) Climate change
Answer: b) Poisoning with Diclofenac drug
Explanation: The vet drug diclofenac poisoned vultures that were feeding on treated carcasses.
Q2. Why are vultures important to public health?
a) They fertilize soil
b) They eat the dead bodies which help in control of spread of disease
c) They pollinate crops
d) They store water
Answer: b) They eat the carcasses, avoiding the spread of diseases
Explanation: Vultures prevent epidemics of zoonotic diseases such as anthrax and rabies by eating dead animals.
Q3. What international flyway do Indian vultures belong to?
a) East Atlantic Flyway
b) Central Asian Flyway
c) East Pacific Flyway
d) Western Sahara Flyway
Answer: b) Central Asian Flyway
Explanation: Indian vultures migrate along the Central Asian Flyway that crosses 30 countries.
NASA Rover - Ancient Life on Mars
Q1. What was the name of the Mars rock sample that was studied in 2024?
a) Olympus Mons
b) Cheyava Falls
c) Valles Marineris
d) Jezero Ridge
Answer: b) Cheyava Falls
Explanation: The rock sample "Cheyava Falls" in Jezero Crater was studied by the Perseverance rover of the US space agency, the US National Aeronautics and Space Administration.
Q2. What elements in the rock indicated that there may have been biosignatures?
a) Gold and Silver
b) Clay, carbon, sulfur, iron, phosphorous
c) Helium and Neon
d) Uranium and Thorium
Answer: b) clay, carbon, sulfur, iron, phosphorous
Explanation: These elements are known to retain biosignatures on the earth.
Q3. What comes after Perseverance's findings?
a) Building Mars base
b) Sample Return Mission