CBSE Class 8 Science Chapter 5 Conservation Of Plants Fill In The Blanks
Question 1. A place where animals are protected in their natural habitat is called a _____.
Answer: Wildlife sanctuary
Question 2. Species found only in a particular area are known as ________.
Answer: endemic species
Question 3. Migratory birds fly to faraway places because of __________ changes.
Answer: climatic
Read And Learn More CBSE Class 8 Science Question And Answers
Question 4. __________ traps the heat of the Sun’s rays.
Answer: Carbon dioxide
Question 5. Conversion of fertile land into a desert is called __________
Answer: Desertification
Question 6. Pachmarhi is an example of __________.
Answer: Biosphere reserve
Question 7. Plants found in a particular area are termed as __________.
Answer: flora
Question 8. A group of populations that are capable of interbreeding is called a __________.
Answer: Species
Question 9._________ is an example of the endemic flora of the Pachmarhi Biosphere Reserve.
Answer: Salt
Question 10. _________ is the first reserve forest of India.
Answer: Satpura National Park
CBSE Class 8 Science Chapter 5 Conservation Of Plants True or False
Question 1. Green plants utilise oxygen to prepare food through photosynthesis.
Answer: False
Question 2. Endemic species are those that are exclusively found in a particular area.
Answer: True
CBSE Class 8 Science Chapter 5 Conservation Of Plants Match The Columns
Question 1. Match Column 1 with Column 2
Answer: A- 4, B-3, C-5, 0-2, H- 1
Question 10. Match Column 1 with Column 2
Answer: A-3, B-1 C-4, D-2
CBSE Class 8 Science Chapter 5 Conservation Of Plants
The following question consists of two statements: Assertion (A) and Reason (R). Answer these questions by selecting the appropriate options given below.
- Both A and R are true, and R is the correct explanation of A
- Both A and R are true, but R is not the correct explanation of A
- A is true, but R is false
- A is false, but R is true
Question 1.
Assertion (A) Deforestation leads to drought.
Reason (R) The consequent increase in temperature on the Earth disturbs the water cycle. This leads to a decrease in rainfall.
Answer: 1. Both A and R are true, and R is the correct explanation of A.
Question 2.
Assertion (A): Conserving biodiversity is a necessity.
Reason (R): Biodiversity is a part of the web of life, and its loss can affect other species and ecosystems.
Answer: 1. Both A and R are true, and R is the correct explanation of A.
Question 3.
Assertion (A): Bison is an example of endemic fauna.
Reason (R): Endemic species are those species that no longer exist anywhere on Earth.
Answer: 3. A is true, but R is false. R can be corrected as the endemic species are those species of plants and animals that are found exclusively in a particular area. For example, bison is an endemic fauna of the Pachmarhi biosphere reserve.
Question 4.
Assertion (A): Members of a species have common characteristics.
Reason (R): Species is a group of populations that are not capable of interbreeding.
Answer: 3. A is true, but R is false. R can be corrected as a Species is a group of populations that are capable of interbreeding.
Question 5.
Assertion (A) Project Tiger was launched by the government of the United States.
Reason (R) It was launched to ensure the survival and maintenance of the tiger population in the country.
Answer: 4. A is false, but R is true. R can be corrected as ‘Project Tiger’ was launched by the government of India.
The following questions consist of two statements: Assertion (A) and Reason (R). Answer these questions by selecting the appropriate option given below.
- Both A and R are true, and R is the correct explanation of A.
- Both A and R are true, but R is not the correct explanation of A.
- A is true, but R is false.
- A is false, but R is true.
Question 11.
Assertion (A): Wildlife sanctuary, National park, and Biosphere reserve are protected areas.
Reason (R): In these areas, plantation cultivation, grazing, felling trees, hunting, and poaching are prohibited.
Answer: 1. Both A and R are true, and R is the correct explanation of A.
Question 12.
- Assertion (A): Rock shelters are found inside the Satpura National Park.
- Reason (R) A total of 55 rock shelters have been identified in the Pachmarhi Biosphere Reserve.
Answer: 2. Both A and R are true, but R is not the correct explanation of A.