A Across between two tall plants resulted in offspring having few dwarf plants. What would be the genotypes of both the parents?
a. TT and Tt
b. Tt and Tt
c. TT and TT
d. Tt and tt
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Rutherford’s ‘alpha (α) particles scattering experiment’ resulted in to discovery of (a) Electron
(c) Nucleus in the atom
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Why are offspring of oviparous animals at a greater risk as compared to offspring of viviparous animals?
Oviparous animals lay eggs outside their body. As a result, the eggs of these animals are under continuous threat from various environmental factors. On the other hand, in viviparous animals,...
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In order to obtain the F1 generation, Mendel pollinated a true-breeding, say, tall plant with a true-breeding dwarf plant.
Genotype of 50% of the offspring would resemble one parent and the rest the other parent. All the F1 offsprings of the cross are heterozygous so allowing self pollination is sufficient to...
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Plants reflect the colors of light that they do not absorb. This reflected light determines their color. Why are there few blue-colored plants?
Answer: The color of leaves on a plant is dependent on the type of chlorophyll present in them. Explanation: Chlorophyll is an important pigment in the process of photosynthesis. Chlorophyll A is the most common...
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In one of his experiments with pea plants Mendel observed that when a pure tall pea plant is crossed with a pure dwarf pea plant,
(a) The dwarf traits of the plants is not expressed in the presence of the dominant tall trait. (b) In the F2 generation, both the tall and dwarf traits are present in...
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If we cross-bred tall (dominant) pea plant with pure bred dwarf (recessive) pea plant,
(i) Tall (ii) 3:1 (iii) Dwarf Reason: Being a recessive trait, dwarfness can only be expressed in the absence of dominant trait/ in its pure form.
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The term ‘clone’ cannot be applied to offspring formed by sexual reproduction because: a. Offspring do not possess exact copies of parental DNA
a. Offspring do not possess exact copies of parental DNA
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Jhoolan put a few drops of lemon juice in Jhumpa’s mouth. Do you think we can make our the taste with just a few drops.
Yes. A few drops of sour things like lemon is enough to make out the taste.
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Explain the implications of the following in an Oligopoly Market: (i) Barriers to entry of new firms. (ii) A few or a few big sellers.
(i) The main implication of barriers to entry is that such barriers allow only a limited number of firms into oligopoly industries. Such barriers may be in the form of...
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The greatest loss of biodiversity in the last two centuries has resulted from:
(c) the physical alteration of habitats.
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