The word "perennial" refers to something that lasts for a long time or is constant.
The antonym of "perennial" would describe something that is not long-lasting or temporary.
The correct antonym of "perennial" is "temporary".
The word "metamorphosis" refers to a complete change or transformation, especially in the form or structure of an organism.
The synonym of "metamorphosis" is "transformation", as both words refer to a significant change in appearance or form.
The correct answer is "Transformation".
The correct answer is "A blockbuster animated film".
"Finding Nemo" is a famous animated film, which is why option (B) is the correct choice.
The other options refer to organizations or entities mentioned in the passage, but they are not related to the film "Finding Nemo".
The correct answer is "A blockbuster animated film".
The correct one-word substitute for "a place to brood eggs of hens and fish" is "Hatchery".
A "hatchery" is a place where eggs of various species, including hens and fish, are hatched and raised.
Since none of these terms match the meaning of a place where eggs are hatched, they are incorrect options.
The correct answer is "Hatchery".
According to the passage, NBFGR helps villagers in Maharashtra’s mangrove belt make a living by “cashing in on the popularity of clownfish.”
The phrase "cashing in on" means taking advantage of a demand or market opportunity. In this context, it refers to utilizing the popularity of clownfish to create income opportunities for villagers.
The correct answer is:
(A) Cashing in on the popularity of clownfish
The correct answer is "cashing in on the popularity of clownfish".
Write any four problems faced by the animals that thrive in forests and oceans: 
Verbal to Non-Verbal:
A stain is an unwanted mark of discolouration on a fabric caused due to contact with another substance which cannot be removed by the normal washing process. Stains can be grouped on the basis of their origin, e.g. tea, coffee and fruits come from vegetable source. Stains from shoe polish, tar, oil paints come under grease stains. Animal stains comprise of stains formed by milk, blood and eggs, whereas marks on your clothes after sitting on an iron bench are those of rust and come under mineral stains. Then there are stains that are formed due to dye, into perspiration which can be categorised under miscellaneous stains. Read the given passage and complete the table. Suggest a suitable title. 

Arun’s present age in years is 40% of Barun’s. In another few years, Arun’s age will be half of Barun’s. By what percentage will Barun’s age increase during this period?