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Which of the following statements is correct for isotopes of an element?
A)
Have different chemical properties
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B)
Have different atomic number
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C)
Have different physical property
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D)
Have same mass number
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E)
None of these
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Which of the following is the correct hierarchy of biological classification?
A)
Class \[\Rightarrow \] kingdom \[\Rightarrow \] phylum \[\Rightarrow \] genus \[\Rightarrow \] order \[\Rightarrow \] family \[\Rightarrow \] species
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B)
Kingdom \[\Rightarrow \] phylum \[\Rightarrow \] class \[\Rightarrow \] family \[\Rightarrow \] order \[\Rightarrow \] genus \[\Rightarrow \] species
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C)
Kingdom \[\Rightarrow \] phylum \[\Rightarrow \] class \[\Rightarrow \] order \[\Rightarrow \] family \[\Rightarrow \] genus \[\Rightarrow \] species
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D)
Kingdom \[\Rightarrow \] phylum \[\Rightarrow \] class \[\Rightarrow \] order \[\Rightarrow \]genus \[\Rightarrow \] family \[\Rightarrow \] species
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E)
None of these
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A car accelerates uniformly from 5\[m{{s}^{-1}}\] to 20 \[m{{s}^{-1}}\] in 15 s. Calculate the acceleration.
A)
1\[m{{s}^{-2}}\]
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B)
10\[m{{s}^{-2}}\]
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C)
2\[m{{s}^{-2}}\]
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D)
5\[m{{s}^{-2}}\]
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E)
None of these
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Which of the following diseases is caused by virus?
A)
Typhoid
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B)
Tuberculosis
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C)
Malaria
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D)
Influenza
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E)
None of these
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Sound waves can travel through:
A)
Vacuum
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B)
Gases
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C)
Liquids
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D)
Both [b] and [c]
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E)
None of these
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Permanent tissues are derived from the_____.
A)
Simple tissue
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B)
Complex tissue
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C)
Collenchyma
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D)
Meristematic tissue
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E)
None of these
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Define relative density of a substance.
A)
Relative density of a substance = density of substance/density of air
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B)
Relative density of a substance = density of air/density of substance
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C)
Relative density of a substance = density of substance / density of water
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D)
Relative density of a substance = density of water / density of substance
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E)
None of these
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Match the following:
1. | Magnesium | [A] | 35.5 |
2. | Chlorine | [B] | 23 |
3. | Nitrogen | [C] | 24 |
4. | Sodium | [D] | 14 |
A)
1-C, 2-A, 3-D, 4-B
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B)
1-C, 2-A, 3-D, 4-B
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C)
1-B, 2-A, 3-D, 4-C
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D)
1-C, 2-B, 3-D, 4-A
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E)
None of these
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Which of the following statements is incorrect?
A)
A solution is homogenous mixture
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B)
Small particles of the solution can scatter a beam of light
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C)
Solute particles of the solution cannot be separated from the mixture by the process of filtration
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D)
Particles of the solution cannot be seen with naked eyes
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E)
None of these
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Which of the following cell organelles has its own DNA?
A)
Lysosomes
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B)
Ribosomes
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C)
Mitochondria
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D)
Golgi apparatus
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E)
None of these
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Which of the following helps to keep the cell clean by digesting any foreign material?
A)
Plastids
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B)
Mitochondria
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C)
Vacuoles
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D)
Lysosomes
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E)
None of these
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Which of the following kingdoms does unicellular eukaryotic organisms belong to?
A)
Fungi
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B)
Protista
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C)
Plantae
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D)
Animalia
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E)
None of these
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Which of the following is a pair of isobars?
A)
\[{}_{20}^{40}A,\,\,\,\,\,\,_{18}^{40}B\]
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B)
\[{}_{8}^{20}A,\,\,\,\,\,\,_{18}^{40}B\]
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C)
\[{}_{28}^{58}A,\,\,\,\,\,\,_{28}^{74}B\]
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D)
\[{}_{8}^{20}A,\,\,\,\,\,\,_{35}^{74}B\]
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E)
None of these
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Write leghorn is an exotic breed of:
A)
cow
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B)
honey bee
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C)
poultry bird
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D)
fish
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E)
None of these
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Our gene is made up of:
A)
RNA molecules only
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B)
Plasma membrane
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C)
Both RNA and DNA molecules
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D)
DNA molecules only
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E)
None of these
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Annelids are:
A)
Roundworms
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B)
Flatworms
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C)
Legged invertebrates
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D)
segmented worms
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E)
None of these
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Which form of matter is more stable at lower temperature?
A)
Solids
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B)
Liquids
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C)
Gases
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D)
Plasma
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E)
None of these
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310 g of a solution contains 8 g of sugar. Calculate the percentage amount of sugar in the solution.
A)
5.28%
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B)
2.32%
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C)
2.58%
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D)
8.52%
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E)
None of these
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The distance time graph for uniform motion is a:
A)
Curved line
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B)
Straight line
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C)
Circular line
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D)
All of these
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E)
None of these
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Isotopes of elements were discovered by:
A)
Curie
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B)
Soddy
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C)
Chadwick
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D)
Thomson
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E)
None of these
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Valency of noble gases is:
A)
0
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B)
1
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C)
2
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D)
All of these
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E)
None of these
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The e/m ratio of an electron is
A)
\[1.602\times {{10}^{-19}}C\,\,k{{g}^{-1}}\]
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B)
\[1.76\times {{10}^{11}}C\,\,k{{g}^{-1}}\]
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C)
\[1.76\times {{10}^{9}}C\,\,k{{g}^{-1}}\]
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D)
\[-1.602\times {{10}^{10}}C\,\,k{{g}^{-1}}\]
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E)
None of these
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