Maharashtra HSC Biology Answer Key 2025 Unofficial (Available): Detailed Exam Analysis

1. The aquatic plant —--is known as Terror of Bengal.

Eichhornia

2. A flower shows dull color, strong fragrance, and edible pollen grains. The type of pollination in such flower is 

Chiropterophily

3. Part of sperm containing enzymes for penetration of corona radiata is------

head

4. In a bird population of the newely formed volcanic island, a rare allele of a gene was noted to be much more prevelant that the population of the same species on the mainland. This is known as----.

Founder

5. In a plant, a deficinecy symptom called 'die-back of shoots' was observed. This can be rectified by this element.

Copper

6. Insect resistant propert in cotton crop is developed by introducing a gene from-----

Bacillus Thuringiensis

7. The type of interspecific interaction in which one species is harmed and other is not affected is termed as----

Amensalism

8. The small pores present on woody stem surface with bark and which carry out gaseous exchange are -----

Lenticles

9. In the given food chain, if the the plant absorbs 1000 joules of light energy, then how much energy is available for Lion?

10 Joules

10. Glucagon is secreted by ------ cells of pancreas.

alpha

Overall Exam Difficulty Level

Easy to Moderate

Section A Difficulty Level

Easy 

Section B Difficulty Level

Easy

Section C Difficulty Level

Easy to Moderate

Section D Difficulty Level

Easy to Moderate

Expected Good Score

60+

Was the paper lengthy?

No