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Which of the following shows the correct order of food chain?
A)
Grass \[\to \] rice \[\to \] sugarcane
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B)
Grass \[\to \] fish \[\to \] elephant
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C)
Snake \[\to \] grass \[\to \] elephant
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D)
Grass \[\to \] goat \[\to \] lion
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E)
None of these
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The ultimate source of energy in an ecosystem is:
A)
Sun
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B)
Producers
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C)
Consumers
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D)
Decomposers
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E)
None of these
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The radius of curvature of a spherical mirror is 50 cm. What is its focal length?
A)
10 cm
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B)
25 cm
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C)
50 cm
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D)
100 cm
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E)
None of these
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What does the following symbol represent?
A)
Electric bulb
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B)
Electric cell
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C)
Voltammeter
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D)
Ammeter
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E)
None of these
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Consider the following two statements: |
Statement A: Light travels in a straight line. |
Statement B: Light is an electromagnetic wave. |
Which of the following is correct with respect to the above statements? |
A)
Statement A
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B)
Statement B
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C)
Both statements are correct
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D)
Both statements are incorrect
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E)
None of these
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Which one of the following is S.I. unit of resistivity?
A)
Ohm-metre
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B)
Volt
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C)
Ampere
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D)
Watt
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E)
None of these
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Which of the following chemical reaction is balanced?
A)
\[2{{H}_{2}}+{{O}_{2}}\to 2{{H}_{2}}O\]
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B)
\[2{{H}_{2}}+{{O}_{2}}\to {{H}_{2}}O\]
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C)
\[2{{H}_{2}}+3{{O}_{2}}\to 2{{H}_{2}}O\]
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D)
\[2{{H}_{2}}+2{{O}_{2}}\to 2{{H}_{2}}O\]
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E)
None of these
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What is the full form of DNA?
A)
Deoxyribonucleic Acid
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B)
Di Nucleic Acid
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C)
Di Nuclear Acid
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D)
Deoxyribo Nematonic Acid
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E)
None of these
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If pH of a solution is 7.6, then the solution is:
A)
Basic
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B)
Acidic
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C)
Neutral
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D)
All of these
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E)
None of these
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Which of the following is not a noble gas?
A)
Helium
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B)
Neon
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C)
Argon
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D)
Hydrogen
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E)
None of these
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Which of the following is a mineral acid?
A)
Lactic acid
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B)
Formic acid
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C)
Sulphuric acid
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D)
Citric acid
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E)
None of these
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Which of the following is a non-metal?
A)
Sodium
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B)
Magnesium
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C)
Calcium
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D)
Phosphorus
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E)
None of these
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Which of the following is the IUPAC name of\[{{C}_{2}}{{H}_{5}}OH\]?
A)
Ethanol
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B)
Propanol
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C)
Methanol
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D)
Butanol
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E)
None of these
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Which one of the following is the structural formula of propane?
A)
\[H-\underset{H}{\mathop{\underset{|}{\mathop{\overset{H}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-H\]
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B)
\[H-\underset{H}{\mathop{\underset{|}{\mathop{\overset{H}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-\underset{H}{\mathop{\underset{|}{\mathop{\overset{H}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-H\]
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C)
\[H-\underset{H}{\mathop{\underset{|}{\mathop{\overset{H}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-\underset{H}{\mathop{\underset{|}{\mathop{\overset{H}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-\underset{H}{\mathop{\underset{|}{\mathop{\overset{H}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-H\]
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D)
\[H-\underset{H}{\mathop{\underset{|}{\mathop{C}}\,}}\,=\underset{H}{\mathop{\underset{|}{\mathop{C}}\,}}\,\equiv \underset{H}{\mathop{\underset{|}{\mathop{C}}\,}}\,\]
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E)
None of these
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Which one of the following statements is correct about periodic elements?
A)
Elements belonging to groups 1 and 2 are called s-block elements
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B)
Elements belonging to groups 1 and 2 are called p-block elements
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C)
Elements belonging to groups 1 and 2 are called d-block elements
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D)
Elements belonging to groups 1 and 2 are called f-block elements
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E)
None of these
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The brain is covered by membranes called:
A)
Pleura
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B)
Placenta
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C)
Meninges
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D)
Bladder
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E)
None of these
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Which one of the following types of reproduction has been shown in the following figure?
A)
Fission
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B)
Budding
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C)
Regeneration
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D)
Spore formation
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E)
None of these
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Which one of the following is a good step in order to save energy?
A)
Switch off light and other electrical appliances when not needed
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B)
Using solar cooker to cook food wherever possible
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C)
Encouraging the use of biogas as domestic fuel in rural areas
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D)
All of these
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E)
None of these
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The transmission of characters from the parents to their offsprings is called:
A)
Evolution
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B)
Heredity
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C)
Variation
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D)
All of these
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E)
None of these
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Who of the following scientists is regarded as the father of genetics?
A)
Charles Darwin
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B)
Albert Einstein
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C)
Galileo Galilei
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D)
Gregor Johann Mendel
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E)
None of these
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Focal length of a convex lens is 20 cm. Find the power of the lens.
A)
4 D
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B)
6 D
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C)
20 D
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D)
5 D
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E)
None of these
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Look at the given figure and choose the correct option.
A)
The image will be formed at pole
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B)
The image will be formed at focus
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C)
The image will be formed at centre of curvature
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D)
The image will be formed at infinity
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E)
None of these
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Which of the following is the thinking part of brain?
A)
Cerebrum
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B)
Pons
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C)
Medulla
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D)
Cerebellum
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E)
None of these
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What is the full form of LPG?
A)
Liquid Pentene Gas
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B)
Liquified Petroleum Gas
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C)
Large Pressured Gas
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D)
Liquid Pressurised Gas
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E)
None of these
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Which one of the following is a non-biodegradable waste?
A)
Wood
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B)
Cattle dung
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C)
Polythene bags
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D)
Paper
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E)
None of these
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In terms of food chain, which of the following belongs to the same trophic level?
A)
Snake and grass
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B)
Grass and tree
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C)
Lizard and elephant
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D)
Lion and zebra
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E)
None of these
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In the periodic table, when we go from top to bottom in a group, size of the atom:
A)
Decreases
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B)
Increases
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C)
Doesn't change
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D)
All of these
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E)
None of these
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How much work is done in moving a charge of 4 coulombs from a point at 110 volts to a point at 120 volts?
A)
20 joules
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B)
40 joules
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C)
60 joules
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D)
80 joules
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E)
None of these
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Which one of the following is an example of decomposition reaction?
A)
\[2KN{{O}_{3}}\xrightarrow{{}}2KN{{O}_{2}}+{{O}_{2}}\]
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B)
\[BaC{{l}_{2}}+{{H}_{2}}S{{O}_{4}}\xrightarrow{{}}BaS{{O}_{4}}+2HCl\]
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C)
\[{{C}_{2}}{{H}_{4}}+{{H}_{2}}\xrightarrow{{}}{{C}_{2}}{{H}_{6}}\]
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D)
\[CuS{{O}_{4}}+Fe\xrightarrow{{}}FeS{{O}_{4}}+Cu\]
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E)
None of these
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Trachea, bronchi, lungs and diaphragm are parts of:
A)
Digestive system
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B)
Respiratory system
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C)
Nervous system
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D)
skeletal system
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E)
None of these
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Which one of the following represents septum in the human heart as shown in the figure given below?
A)
1
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B)
2
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C)
3
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D)
4
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E)
None of these
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Consider the following two statements: |
Statement A: Lithium is a metal. |
Statement B: Chlorine is a non-metal. |
Which of the following is correct with respect to the above statements? |
A)
Statement A is correct
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B)
Statement B is correct
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C)
Both statements are correct
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D)
Both statements are incorrect
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E)
None of these
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In respiration, breaking down of pyruvate takes place in which parts of cell?
A)
Cytoplasm
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B)
Mitochondria
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C)
Chloroplast
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D)
Nucleus
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E)
None of these
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Which of the following plants was used by Mendel to perform the experiments on heredity?
A)
Mint plant
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B)
Potato plant
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C)
Pea plant
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D)
Tulsi plant
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E)
None of these
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Calculate the total resistance of the circuit in the following diagram.
A)
4 Q
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B)
5 Q
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C)
6 Q
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D)
7Q
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E)
None of these
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The movement of a plant part in response to gravity is known as:
A)
Geotropism
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B)
Chemotropism
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C)
Phototropism
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D)
Hydrotropism
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E)
None of these
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Those organs which have the same basic structure but different functions are called:
A)
Homologous organs
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B)
Analogous organs
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C)
Primitive organs
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D)
Modified organs
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E)
None of these
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Which one of the following is the oxidising agent in given chemical reaction? \[3Mn{{O}_{2}}+4Al\xrightarrow{{}}3Mn+2A{{I}_{2}}{{O}_{3}}\]
A)
\[Mn\]
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B)
\[{{O}_{2}}\]
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C)
\[Mn{{O}_{2}}\]
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D)
\[Al\]
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E)
None of these
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When two parents are crossed, the offsprings are referred to as:
A)
\[{{F}_{1}}\]Generation
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B)
\[{{F}_{2}}\] generation
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C)
Recessives
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D)
Dominants
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E)
None of these
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Consider the following two statements: |
Statement A: Hydra is a multicellular organism. |
Statement B: Hydra produces new organisms by asexual reproduction. |
Which of the following is correct with respect to the above statements? |
A)
Statement A
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B)
Statement B
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C)
Both statements are correct
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D)
Both statements are incorrect
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E)
None of these
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