Lakhmir Singh and Manjit Kaur Solutions for Chapter: Our Environment, Exercise 2: Short Answer Type Questions
Lakhmir Singh Biology Solutions for Exercise - Lakhmir Singh and Manjit Kaur Solutions for Chapter: Our Environment, Exercise 2: Short Answer Type Questions
Attempt the free practice questions on Chapter 5: Our Environment, Exercise 2: Short Answer Type Questions with hints and solutions to strengthen your understanding. Science for Tenth Class Part - 3 Biology solutions are prepared by Experienced Embibe Experts.
Questions from Lakhmir Singh and Manjit Kaur Solutions for Chapter: Our Environment, Exercise 2: Short Answer Type Questions with Hints & Solutions
What is the difference between the food habits of organisms belonging to the first and the third trophic levels? Give one example of each of the organisms belonging to these two trophic levels.
At which trophic level a person is feeding when he is eating:
(a) roasted chicken
(b) bread
(c) eggs
(d) apple
(e) fish
A student went to study a local pond. In one part of the pond she noticed tadpoles scraping at some pond weed. In another part she saw a water beetle holding a tadpole in its jaws.
(a) Construct a food chain for the pond.
(b) How many links are there in this chain?
Construct
(a) a long food chain, and
(b) a short food chain, ending with a man.
(a) State one advantage of using jute bags over plastic bags for shopping.
(b) Write a common food chain of a pond ecosystem having four links.
We do not clean ponds or lakes, but an aquarium needs to be cleaned periodically. Why?
What will be the consequence of the absence of decomposers in the ecosystem?
Give two differences between food chain and food web.
