MEDIUM
12th CBSE
IMPORTANT
Earn 100

Construct an age pyramid which reflects an expanding growth status of human population.

Important Questions on Organisms and Populations

MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 13 - Organisms and Populations>TEST QUESTIONS>Q 15
What is mutualism? Mention any two examples where the organisms involved are commercially exploited in agriculture .
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 13 - Organisms and Populations>TEST QUESTIONS>Q 16
Many freshwater animals cannot survive in marine environment. Explain
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 13 - Organisms and Populations>TEST QUESTIONS>Q 17
When you go far on a trek/trip to any high altitude places, you are advised to take it easy and rest for the first two days. Comment giving reasons.
HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 13 - Organisms and Populations>TEST QUESTIONS>Q 18
How does a desert plant adapt to the dry warmer environment condition?
HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 13 - Organisms and Populations>TEST QUESTIONS>Q 19
Why the plants that inhabit a desert are not found in a mangrove ? Give reason
HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 13 - Organisms and Populations>TEST QUESTIONS>Q 20
Plants that inhabit a rainforest are not found in a wetland.
HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 13 - Organisms and Populations>TEST QUESTIONS>Q 1
How do organisms like fungi, zooplankton and bears overcome temporary short-lived climate stressful conditions? Explain.
HARD
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 13 - Organisms and Populations>TEST QUESTIONS>Q 2
Water is very essential for life. Write any three features both for plants and animals which enable them to survive in water-scarce environments.