Question 2 :
An ecosystem is made of all the plants, animals and microorganisms in an area along with non-living components such as climate, soil, river deltas etc? Is it TRUE OR FALSE.
Question 3 :
The Red Data Book keeps a record of which of the following: (i) endemic species. (ii) extinct species. (iii) endangered plants. (iv) endangered animals.
Question 4 :
Can a forest regenerate naturally in a short period of time?
Question 5 :
Which of the following feature is correct for a wildlife sanctuary?
Question 6 :
Unscramble the jumbled words underlined in the following statement: $\underline {curbossulite}$ is an air-borne disease caused by a bacterium.
Question 8 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d08ef59b460d7261f317.JPG' />
From the above image find out which gas is released in A?
Question 9 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d08bf59b460d7261f313.JPG' />
From the above figure complete the following cycle , By filling the blank (b)
Question 10 :
The two micro-organisms which live in symbiotic association in lichens are
Question 11 :
Unscramble the jumbled words underlined in the following statement: $\underline {curbossulite}$ is an air-borne disease caused by a bacterium.
Question 13 :
The disease caused by a protozoan and spread by an insect is
Question 15 :
The two micro-organisms which live in symbiotic association in lichens are
Question 17 :
Does the moon have a large number of steep and high mountains?
Question 20 :
Which of the following is NOT a planet of the sun?
Question 22 :
Light year is the distance travelled by light in one year. How much is the distance of the sun from earth?
Question 24 :
The day on which the whole disc of the moon is visible is known as _____
Question 25 :
Are there any changes in the positions of stars in the sky?
Question 26 :
State True or False. It is difficult to transport natural gas through pipes.
Question 27 :
State True or False. Natural gas is stored under high pressure as compressed natural gas.
Question 28 :
When heated in air, coal burns and produces mainly ________ gas.
Question 31 :
State True or False. Natural gas is stored under high pressure as compressed natural gas.
Question 32 :
Process of separation of different constituents from petroleum is called ___________
Question 33 :
State True or False.During the processing of coal to get coke, coal tar and coal gas are also obtained
