Maharashtra HSC Biology Exam Pattern 2025

In the table below Maha HSC bio exam pattern and some exam highlights are given.

Maharashtra HSC Biology Question Paper 2025: Download PDF

Students can download the 12th HSC biology question paper PDF from here, The Maha HSC biology question paper PDF 2025 link will be activated soon.

(i) The aquatic plant $\qquad$ is known as "Terror of Bengal."
(a) Lotus
(b) Pistia
(c) Eichhornia
(d) Vallisneria

(ii) A flower shows dull colour, strong fragrance and edible pollen grains. The type of pollination in such flowers is $\qquad$ .
(a) Anemophily
(b) Chiropterophily
(c) Ornithophily
(d) Entomophily

(iii) Part of the sperm containing enzymes for penetration of corona radiata is $\qquad$
(a) tail
(b) middle part
(c) neck
(d) head

(iv) In bird population of newly formed volcanic island, a rare allele of a gene was noted to be much more prevalent than the populations of same species on the mainland. This is known as $\qquad$ effect.
(a) Founder
(b) Bohr
(c) Bottle neck
(d) Haldane

(v) In a plant, deficiency symptom called 'Die-back of shoots' was observed. This can be rectified by this element -
(a) zinc
(b) sulphur
(c) iron
(d) copper

(vi) Insect resistant proper'ty in cotton crop is developed by introducing a gene from $\qquad$
(a) Bacillus thuringiensis
(b) Bacillus subtilis
(c) Bacillus polymyara
(d) Escherichia coli

(vii) The type of interspecific interaction in which one species is harmed and other is not affected is termed as $\qquad$ .
(a) commensalism
(b) parasitism
(c) amensalism
(d) mutualism

(viii) The small pores present on woody stem surface with bark and which carry out gaseous exchange are $\qquad$
(a) stomata
(b) hydathode
(c) ventricles
(d) lenticels

(ix) In the given food chain, if plants absorb 1000 Joules of light energy, then how much energy is available for Lion?
$\underset{\text { (Producer) }}{\text { Plants }} \rightarrow \underset{\text { (Herbivore) }}{\text { Dion }}$ (Carnivore)
(a) 10 Joules
(b) 100 Joules
(c) 1000 Joules
(d) 0.1 Joule

(x) Glucagon is secreted by $\qquad$ cells of pancreas.
(a) PP
(b) alpha
(c) delta
(d) beta

Maha HSC Biology Answer Key 2025

The 12th HSC biology answer key is provided here with a detailed solution. Students can check the Maharashtra HSC biology answer key 2025 to match their correct answers and predict the marks.

Maha HSC biology answer key paper code 0335

Maha HSC Biology Question Paper Analysis

Maharashtra HSC biology exam paper level was easy this year and difficult as compared to the previous year which was moderately level. Some questions were difficult from the 3-4 marks section in last year but this paper was balanced and section A MCQs were easy. No questions were present from out of the syllabus.

Check this page to match your Maha HSC biology answer key and download the question paper.