Morphological Adaptations
Trending Questions
Q.
Leaves are modified into spines in_______.
Q.
Give reason for the following statements.
Leaves are reduced to spines in desert plants like cacti.
Q.
Sunken stomata occur in
xerophytes
mesophytes
hydrophytes
hygrophytes
Q.
Statement 1: The photosynthetic function of Opuntia is taken over by the flattened stems.
Statement 2: Opuntia has no leaves – they are reduced to spines.
Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.
Both statements 1 and 2 are correct and statement 2 is not the explanation of statement 1.
Statement 1 is correct and statement 2 is incorrect
Both statements 1 and 2 are incorrect.
Q. Siberian Husky is a breed of dog that originated from the coldest region of Siberia (Russia). Would a city like New Delhi be a good place to rear such a breed of dog?
- Yes. During winters, the temperatures in New Delhi goes below 5∘C
- No. Siberian Huskies cannot tolerate the soaring heat waves that would occur during summer.
- No. Siberian Huskies have a thick skin and fur, which is not suitable for a temperate climate like that in New Delhi.
- Yes. Dogs are not affected by climate.
Q. Regarding assertion and reason, select the right option
Assertion[A]: Siberian Huskies prefer to live in very cold regions of the world
Reason[R]: Huskies have all the features and adaptations of animals seen in the tundra or polar ecosystem.
Assertion[A]: Siberian Huskies prefer to live in very cold regions of the world
Reason[R]: Huskies have all the features and adaptations of animals seen in the tundra or polar ecosystem.
- Both A and R are correct and R explains A.
- Both A and R are correct and R does not explain A.
- Both A and R are incorrect.
- A is correct, R is incorrect.