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PSTET Paper 1 Environmental Studies Unofficial Answer Key 2024 (Image Credits: Pexels)PSTET Paper 1 Environmental Studies Unofficial Answer Key 2024: The Punjab State Teacher Eligibility Test (PSTET) was conducted on Sunday, December 1 in the state. According to the timetable, Paper 1 of PSTET 2024 was conducted from 10 AM to 12:30 AM for all subjects. Here is the PSTET paper 1 unofficial answer key 2024 for Environmental Studies. The Department of School Education will release the official PSTET answer key 2024 for all subjects and papers together in December 2024. However, here is the unofficial answer key shared by our exam experts for the reference of the candidates. The question paper included 150 MCQ-type questions. We have given the unofficial answers to all questions.
PSTET Paper 1 Environmental Studies Unofficial Answer Key 2024 Set -Wise
Candidates can check the set-wise unofficial answer keys of the PSTET Paper 1 Environmental Studies 2024 examination in the tabular format below. Keep refreshing the page as we are updating answers one by one.
Questions | Answers |
|---|---|
| 121. The Air Act was framed in this year: | 3. 1981 |
| 122. The biotic succession on bare rock called Lithosere or Xerosere has the sequence of various stages as follows: | 1. Lichen stage >> Moss Stage >> Annual grass stage >> Perennial grass stage shrub stage >> Climax Community |
| 123. The roots are of two types like tap roots and fibrous roots. Which one of the following has fibrous roots? | 2. Banana |
| 124. Which one of the following does not fall in the category of freshwater? | 4. Brackish water like estuaries |
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125. Choose the correct statement:
(R) WHO: World Health Organization (S) WWF: World Wildlike Federation (T) FAO: Food Additives Organization (U) UNDP: Inited Nations Development Policy | 2. Only R is correct |
| 126. Chernobyl Nuclear Disaster occurred on 26th April, 1986 in: | 1. Ukraine |
| 127. Birds do not have teeth. They use their beaks to tear, bite, chisel or Crush the food. There are different types of beaks. Crushing Beak is present in: | 1. Pigeon |
| 128. The sequence of population or organisms of an ecosystem through which the food and its contained energy passes, by eating or being eaten, with each member becoming the food of a later member of the sequence is termed as: | 1. Food Chain |
 | 3. Sense of Conservation of natural resources |
| 130. Choose the correct statement: | 3. The earth is called blue planet because three-fourth of its surface is covered with water |
| 131. The following food sources contain iron that is essential for formation of hemoglobin in human body: | 1. Pulses, nuts, beans and apples |
| 132. Nuclear energy can be generated by: | 2. Nuclear fission |
| 133. The Bhaba Atomic Research Centre is headquarter in: | 1. Mumbai |
| 134. The objective of a scheme, launched by Central Govt. in 1975, was improvement in nutrition and health of children. The scheme was ICDS which stands for: | 3. Integrated Child Development Services |
| 135. Deforestation leads to erosion and erosion leads to loss of life or: | 3. Desertification |
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136. The major limitation of "Biomass Energy" is the production of different types of pollutants to the air because open burning produces high levels of:
(X) Nitrogen Oxides (Y) Carbon monoxide (Z) Particulates | 4. X, Y and Z |
| 138. A sea breeze blows when the air above land is _______ and air above sea is: | 1. Colder, Warmer |
| 139. Which one of the following problems is not related to Dams? | 4. Rain water harvesting |
| 140. The R's for solid management are: | 3. Reduce, Reuse and Recycle |
| 141. One of the following is not an example of Ex-situ conservation method. Identify it: | 4. Biosphere reserve |
| 142. Select the incorrect statement from the following: | 3. Chemical fertilizers are less harmful than the prganic manures |
| 143. Peroxyacylnitrate (PAN) and Ozone are termed as: | 2. Secondary Pollutants |
| 144. Plants which grow on land are called terrestrial plants. There are different types of terrestrial plants. The plants of plains cam be best represented by following example: | 1. Mango |
| 145. The solid waste disposal became a global issue over past decades. Choose the correct statement in regard to this: | 1. Highly combustible trash like plastics can be incinerated |
| 146. _________ of an ecosystem is defined as the rate at which radiant energy is converted into inorganic substances by Photosynthesis or chemo-synthesis by the primary producers. | 2. Primary productivity |
| 147. Diseases can be spread on account of improper hygiene, vectors as well as environmental pollution and exhibit a wide variety of symptoms. Which one of the following is not correctly matched? | 4.Plague: a disease spread by Ray flea that cause stomach infection |
| 148. The farmers first prepare their fields to sow the seeds. For this, they dig the soil, loosen it and make it soft. This process is called: | 2. Ploughing |
| 149. Which one of the following is not the physical component of environment? | 4. Plant |
 | 2. Rice water is rich source of nutrients for plants in the garden |
According to the official schedule shared by the department, the PSTET Paper 1 result 2024 will be announced on January 1, 2025. The candidates can download the official answer keys from the official website once it is released.
