Text Solution
Verified by Experts
|
Topper's Solved these Questions
OUR ENVIRONMENT
KUMAR PRAKASHAN|Exercise OBJECTIVE QUESTIONS AND ANSWERS (Chart- diagram based quesitons : )|6 VideosView PlaylistOUR ENVIRONMENT
KUMAR PRAKASHAN|Exercise OBJECTIVE QUESTIONS AND ANSWERS (Choose the correct option from those given below each question:)|35 VideosView PlaylistOUR ENVIRONMENT
KUMAR PRAKASHAN|Exercise OBJECTIVE QUESTIONS AND ANSWERS (Fill in the blanks)|12 VideosView PlaylistMODEL QUESTION PAPER 1
KUMAR PRAKASHAN|Exercise SECTION A (TRUE OR FALSE)|3 VideosView PlaylistQUESTION PAPER-2 (MARCH,2020 - BOARD'S QUESTIONS PAPER)
KUMAR PRAKASHAN|Exercise Section - C (Answer the following questions)|1 VideosView Playlist
Similar Questions
Explore conceptually related problems
Knowledge Check
Similar Questions
Explore conceptually related problems
KUMAR PRAKASHAN-OUR ENVIRONMENT-OBJECTIVE QUESTIONS AND ANSWERS (True or false : )
- State True or False.Microbes decomposing dead bodies are located at tr...
01:12
|
Playing Now - State True or False. Sun is ultimate energy source for ecosystems on t...
00:59
|
Play - State True or False. Wastes which we generated are biodegradable or no...
00:58
|
Play - Oxygen gets released under the effect of ultraviolet rays on ozone mol...
03:38
|
Play - Ecosystem is formed only with biotic components
02:50
|
Play - Level of energy decreases as one goes to upper trophic level in an eco...
05:02
|
Play - Only 10 % energy is used at each trophic level from the available ener...
04:38
|
Play - Number of consumers are always more than producers.
03:44
|
Play - State True or False. UV radiation absorbs ozone that is deadly poison ...
01:44
|
Play - State True or False. In ecosystem food relationships among organisms a...
01:16
|
Play - Water is abiotic factor in pond ecosystem
02:16
|
Play - In food chain energy flow is bidirectional
02:50
|
Play - State True or False.All organisms can use only chemical energy
01:04
|
Play - Food web is formed due to alternative path for food availability.
03:17
|
Play - Decomposers are natural scavengers.
03:51
|
Play