Exam (elaborations)
NST1502 Assignment 2 (COMPLETE ANSWERS) 2024 - DUE 18 June 2024
- Course
- NST1502
- Institution
- University Of South Africa
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NST1502Assignment 2
(COMPLETE
ANSWERS)
2024 - DUE 18
June 2024
C0NTACT: biwottcornelius@gmail.com
, QUESTION 1 1.1 Define Energy. (2)
1.2 Use your native language to define energy. Name the language and define
it. (2)
1.3 What do greens plants depend on to make food? (2)
1.4 What process do green plants use to make food? (2) 1.5 What do animals
depend on green plants for? (2) 1.6 Name seven life processes that requires
energy. (7)
1.7 Can any living organism exist without energy? (1) 1.7 How is energy
measured? (2) [20]
1.1 Energy is the capacity to do work or produce heat.
1.2 Bengali: শক্তি হলো কাজ করার অথবা তাপ উৎপন্ন করার ক্ষমতা।
1.3 Green plants depend on sunlight, water, and carbon dioxide to make food.
1.4 Green plants use photosynthesis to make food.
1.5 Animals depend on green plants for food as they are primary producers, converting sunlight
into organic compounds that animals can consume.
1.6 Seven life processes that require energy are:
1. Respiration
2. Digestion
3. Circulation
4. Excretion
5. Movement
6. Growth
7. Reproduction
1.7 No, no living organism can exist without energy as it is essential for carrying out life
processes.
1.8 Energy is measured in joules (J) or kilojoules (kJ) using various instruments like calorimeters
or by calculating work done or heat produced in a system.
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