Tasty food is not always nutritious and nutritious food may not always be tasty to eat. Comment with examples.
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What is heterospory? Briefly comment on its significance. Give two examples.
Heterospory is a phenomenon in which two kinds of spores are borne by the same plant. These spores differ in size. The smaller one is known as microspore and the...
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We eat food composed of all the nutrients like carbohydrates, proteins, fats, vitamins, minerals and water. After digestion
Diffusion and osmosis respectively
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Elements with valency 1 are (a) always metals (b) always metalloids (c) either metals or non-metals (d) always non-metals
(c) either metals or non-metals
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(a) Under which category of mixtures will you classify alloys and why? (b) A solution is always a liquid. Comment.
Hint– (a) Homogenous mixture, because they have a uniform composition throughout (b) No, solid solutions and gaseous solutions are also possible. Examples brass and air (c) No, solution is a homogenous...
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The product of two irrational numbers is (A) always a rational (B) always an irrational (C) one (D) always a non-zero number
Correct answer is (D) always a non-zero number
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"Migration may enhance or blurr the effects of selection". Comment.
Migration can enhance the process of natural selection by bringing in the alleles and traits within a population that are selected by nature. Hence, providing advantage to a particular group. Migration can...
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Wild animals like tiger, wolf, lion and leopard do not eat plants.
It is true that these animals do not eat plants. They hunt and eat herbivorous animals like deer, gaur, bison, zebra, giraffe, etc. which are dependent on plants for food....
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Aanchal loves ta eat chips, burgers and chocolates. Her parents always discourage her ta eat junk food.
(i) (a) Junk food makes the person obese. (b) He/She may suffer from loss of appetite. (c) He/She may develop the problems related to his/her physical or mental $owth. (d) It leads to...
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Has anyone at home told you to eat slowly and to chew well so that food digests properly? Why do you think they say this?
Yes, my mother often tells me eat slowly and chew well. It is because if the food is properly chewed up, it will be digested and we will get its...
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Preeti told Nitu not to eat the potato sabji. What would have happened if she had eaten it?
If Nitu had eaten the potato sabji, she might have fallen ill.
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