BCASemester 12025-26Environment And EcologyBBC105

Environment And Ecology (BBC105) - AKTU Question Paper 2025-26

BCA · Semester 1 · Free PDF Download

This is the official AKTU Environment And Ecology Previous Year Question Paper for BCA Semester 1, academic session 2025-26. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:BCA

Semester:Semester 1

Session:2025-26

University:AKTU / UPTU

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Questions Asked in 2025-26

Environment And Ecology (BBC105) — complete question paper · 70 marks · 3 Hours

Section AAttempt all questions in brief. 2 x 07 = 14

a
Define Global Warming and main causes of global warming
b
Outline the components and segments of environment
c
Differentiate between water bor ne disease and water induced di seases with suitable examples
d
Define sustainable development and mention three pillars of sustainable development
e
Identify causes of ozone layer depletion
f
Enlist the policies of governmen t of India against women education
g
State contribution of automobile pollution to air quality degradation

Section BAttempt any three of the following: 07 x 3 = 21

a
Explain activities associated w ith solid waste management and process of solid waste disposal in urban areas
b
Define fluorosis. Discuss sour ces, effects and control measu re of fluoride and arsenic in drinking water
c
Define balance ecosystem. Illu strate ecological pyramid on the basis of classification
d
Explain effects of paddy straw burning on soil microbial dyn amics
e
Discuss in detail about non-government organizations and enu merate national and international non-government organization and thei r initiatives

Section CAttempt any one part of the following: 07 x 1 = 07

a
Differentiate between exponent ial and sigmoidal growth curve
b
Define acid rain. Explain causes, control and effects of aci d rain on environment
a
Explain greenhouse effect and enumerate gases involved in gr eenhouse effect and their contribution
b
Discuss long term consequences of soil pollution on biodiver sity and ecosystem and explain methods for remediation contaminated soil
a
Discuss causes of transportation and agriculture activities impact the environment and mention key envi ronmental consequences of these activities
b
Define Nutrient cycle. Explai n process involved in carbon and Nitrogen cycle
a
Explain energy resources. Di fferentiate between conventional and non- conventional energy resources with suitable examples
b
Define environment science and discuss some activities needs to be created to protect our environment
a
Discuss the primary sources of water pollution and explain h ealth implications of water pollution humans and aquatic life
b
Explain penalties and key provisions of environment protect ion act that focus on conservation of natural resources

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

Repeated Questions — BBC105

Questions that appeared in more than one session, found by comparing 2 years of Environment And Ecology papers (2024-25, 2025-26)

Define Global Warming and main causes of global warming