The Living World

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Question

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Question 1 : Which among the following best describes the word “Growth” in living organisms?
1. Increase in mass either due to accumulation or due to changes that body undergoes internally
2. Increase in mass due to internally cell division and increase in number due to replication are twin characteristic of growth
3. All living organisms grow throughout their life
4. Growth is a sufficient characteristic to determine whether an organism is living or non-living
Answer
4219

Question 2 : Reproduction in Planaria takes place through ________
1. Budding
2. Binary Fission
3. Asexual spores
4. Fragmentation
Answer
4220

Question 3 : Reproduction is a sufficient condition to determine whether a thing is living or nonliving.
1. True
2. False
3. Both
4. None
Answer
4221

Question 4 : Sexual reproduction results in variation of the progeny from the parents. What do you think are the appropriate reasons?
1. Since sexual reproduction involves only gene from a single parent which undergoes modifications to produce different traits in the progeny
2. Sexual reproduction involves gene from both the parents which undergoes modifications to produce traits that vary from the parent
3. It is due to variation in the time
4. Parents decide the traits of the progeny and design them accordingly
Answer
4222

Question 5 : Metabolism means ________
1. division of cells
2. expansion of cell
3. sum total of all chemical reactions occurring in our body
4. production of progeny
Answer
4223