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Our Environment
Question
Wired Faculty App

To determine the percentage of water absorbed by raisins, raisins are soaked in water for: 

  • 30 seconds

  • 10 minutes

  • 2 to 3 hours 

  •  24 hours

Answer

A.

30 seconds

C.

2 to 3 hours 

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Some More Questions From Our Environment Chapter

How are variations important?

What is the importance of DNA copying in reproduction?

Why is variation beneficial to the species but not necessarily for the individual?

Name the methods of asexual reproduction.

Name two organisms which reproduce by (a) budding (6) fragmentation and (c) spore formation.

Why cannot all multicellular organisms divide cell-by-cell like Spirogyra?

How is the problem of dobling of the amount of DNA solved ?

Write names of five plants in which stem is used to produce a new plant.

Give one example of plant which uses leaves for propagation. Draw propagation organ.

List four methods of vegetative propagation which are exploited by man in propagating plants in garden and nurseries.