The space between eye lens and retina is filled with liquid called:
A)
Aqueous Humour
done
clear
B)
Vitreous Humour
done
clear
C)
Tears
done
clear
D)
Gel of Protein
done
clear
E)
None of these
done
clear
View Answer play_arrow
"Law of octaves" was given by:
A)
Mendeleev
done
clear
B)
Newland
done
clear
C)
Dobereiner
done
clear
D)
Moselly
done
clear
E)
None of these
done
clear
View Answer play_arrow
The magnitude of magnetic field will be maximum at which point in the given figure?
A)
P
done
clear
B)
Q
done
clear
C)
R
done
clear
D)
S
done
clear
E)
None of these
done
clear
View Answer play_arrow
A basket of vegetables contains carrot, potato, radish and tomato. Which of them represent the correct homologous structures?
A)
Carrot and potato
done
clear
B)
Carrot and tomato
done
clear
C)
Radish and carrot
done
clear
D)
Radish and potato
done
clear
E)
None of these
done
clear
View Answer play_arrow
Rancidity occurs due to:
A)
Reduction of oils and dietary fibers present in food
done
clear
B)
Oxidation of oils and fats present in food
done
clear
C)
Oxidation of starches and proteins present in food
done
clear
D)
Combination of oils and sugars present in food
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which one of the following statements is incorrect about the excretory system of our body?
A)
It is the renal artery which brings dirty blood into the kidneys
done
clear
B)
The nephron has cup-shaped bag at its upper end which is called glomerulus
done
clear
C)
The lower end of Bowman's capsule is tube shaped and it is called tubule
done
clear
D)
The Bowman's capsule contains a bundle of blood capillaries which filter the blood passing through them
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which one of the following is true regarding the transfer of energy in the food chain?
A)
900 J \[\to \] 90 J \[\to \] 0.9 J \[\to \] 0.09 J
done
clear
B)
1000 J \[\to \] 100 \[\to \] 10 J \[\to \] 1 J
done
clear
C)
750 J \[\to \] 7.5 J \[\to \] 0.75 \[\to \] 0.075 J
done
clear
D)
1200 J \[\to \] 120 J \[\to \] 1.20 J
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which component of AC generator consists of large number of turns of insulated copper wire wound over a soft iron core?
A)
Carbon Brush
done
clear
B)
Armature
done
clear
C)
Slip Ring
done
clear
D)
Field magnet
done
clear
E)
None of these
done
clear
View Answer play_arrow
When light is dim, the pupil becomes:
A)
Black
done
clear
B)
Smaller
done
clear
C)
Larger
done
clear
D)
White
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which one of the following statements is incorrect?
A)
An unsaturated hydrocarbon containing a triple bond is an alkyne.
done
clear
B)
An unsaturated hydrocarbon containing a single bond is an alkane.
done
clear
C)
An unsaturated hydrocarbon containing a double bond is an alkene.
done
clear
D)
All the above
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which among the following is a balanced chemical equation?
A)
\[Mn{{O}_{2}}+4HCl\to MnC{{l}_{2}}+C{{l}_{2}}+2{{H}_{2}}O\]
done
clear
B)
\[Fe+{{H}_{2}}O\to F{{e}_{3}}{{O}_{4}}+{{H}_{2}}\]
done
clear
C)
\[Zn+HCl\to ZnC{{l}_{2}}+{{H}_{2}}\]
done
clear
D)
\[2KCl{{O}_{3}}\to 2KCl+{{H}_{2}}\]
done
clear
E)
None of these
done
clear
View Answer play_arrow
Calculate the equivalent resistance of the circuit given below:
A)
\[10.2\,\,\Omega \]
done
clear
B)
\[12.68\,\,\Omega \]
done
clear
C)
\[15.7\,\,\Omega \]
done
clear
D)
\[9.96\,\,\Omega \]
done
clear
E)
None of these
done
clear
View Answer play_arrow
Aqueous solution of common salt is ________ in nature.
A)
Acidic
done
clear
B)
Alkaline
done
clear
C)
Basic
done
clear
D)
Neutral
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which enzyme converts starch into sugar present in saliva?
A)
Pepsin
done
clear
B)
Hydrochloric acid
done
clear
C)
Amylase
done
clear
D)
Insulin
done
clear
E)
None of these
done
clear
View Answer play_arrow
What do we call the gap between two neurons?
A)
Synapse
done
clear
B)
Axon
done
clear
C)
Dendrite
done
clear
D)
Neurons
done
clear
E)
None of these
done
clear
View Answer play_arrow
Few metals are given below. Zn, Sn, Ag, Na, Co Arrange the above given metals in the order from least reactive to most reactive.
A)
Sn < Na < Zn < Ca < Ag
done
clear
B)
Ag < Zn < Sn < Ca < Na
done
clear
C)
Ag < Sn < Zn < Ca < Na
done
clear
D)
Sn < Ag < Zn < Ca < Na
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which of the following observations was not included in Darwinism?
A)
Struggle for existence
done
clear
B)
Natural selection
done
clear
C)
Use of vestigial organs
done
clear
D)
Natural variation within a population
done
clear
E)
None of these
done
clear
View Answer play_arrow
In which of the following plants fossil fuels are burnt to produce electricity?
A)
Thermal power plant
done
clear
B)
Hydro power plant
done
clear
C)
Biogas plant
done
clear
D)
solar power plant
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which of the following options is correct for the image produced when an object of size 1 cm is placed at a distance of 20 cm from a concave mirror of focal length 15 cm.
A)
Nature: real and smaller, Image distance =\[-\,\,60\,cm\]
done
clear
B)
Nature: virtual and enlarged, Image distance =\[-\,\,60\,cm\]
done
clear
C)
Nature: real and enlarged, Image distance = \[-\,\,60\,cm\]
done
clear
D)
Nature: virtual and smaller, Image distance =\[-\,\,60\,cm\]
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which one of the following has the highest ionization energy?
A)
Na
done
clear
B)
K
done
clear
C)
Li
done
clear
D)
Rb
done
clear
E)
None of these
done
clear
View Answer play_arrow
Calculate the electrical energy consumed by an electric bulb of 100 watt in 40 hours.
A)
\[3.44\times {{10}^{7}}\,joules\]
done
clear
B)
\[1.44\times {{10}^{5}}\,joules\]
done
clear
C)
\[1.44\times {{10}^{7}}\,joules\]
done
clear
D)
\[8.22\times {{10}^{7}}\,joules\]
done
clear
E)
None of these
done
clear
View Answer play_arrow
The final product of glycolysis is:
A)
Glucose
done
clear
B)
Pyruvate
done
clear
C)
Ethanol
done
clear
D)
Lactic acid
done
clear
E)
None of these
done
clear
View Answer play_arrow
When electricity is passed through a concentrated solution of sodium chloride, it decomposes to form:
A)
Sodium hydroxide, oxygen and water
done
clear
B)
Sodium oxide, chlorine and water
done
clear
C)
Sodium hydroxide, chlorine and hydrogen chloride
done
clear
D)
Sodium carbonate, chlorine and water
done
clear
E)
None of these
done
clear
View Answer play_arrow
How many nerve pairs arise from the spinal cord?
A)
7
done
clear
B)
9
done
clear
C)
13
done
clear
D)
21
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which of the following statements is incorrect about metal?
A)
Metals are generally good conductor of heat and electricity
done
clear
B)
Magnesium metal reacts with oxygen at room temperature
done
clear
C)
Sodium reacts vigorously with cold water to form sodium hydroxide and hydrogen gas
done
clear
D)
Magnesium does not react with cold water
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which of the following reproduces by the asexual method of binary fission?
A)
Amoeba
done
clear
B)
Yeast
done
clear
C)
Euglena
done
clear
D)
All of these
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which of the following parts of human male reproductive system functions as a passage for both semen and urine?
A)
Epididymis
done
clear
B)
Urethra
done
clear
C)
Vas deferens
done
clear
D)
Seminal vesicles
done
clear
E)
None of these
done
clear
View Answer play_arrow
An object 60 cm from a lens gives a virtual image at a distance of 20 cm in front of the lens. What is the focal length of the lens?
A)
\[-\,\,12\,cm\]
done
clear
B)
\[-\,\,30\,cm\]
done
clear
C)
\[+\,\,30\,cm\]
done
clear
D)
\[+\,\,12\,cm\]
done
clear
E)
None of these
done
clear
View Answer play_arrow
The structural formula of an ester is given below
Write the formula of the acid and the alcohol from which it is formed.
A)
\[Acid:C{{H}_{3}}COOH;\,\,Alcohol:C{{H}_{3}}OH\]
done
clear
B)
\[Acid:{{C}_{2}}{{H}_{5}}COOH;\,\,Alcohol:{{C}_{2}}{{H}_{5}}OH\]
done
clear
C)
\[Acid:C{{H}_{3}}COOH;\,\,Alcohol:{{C}_{2}}{{H}_{5}}OH\]
done
clear
D)
\[Acid:{{C}_{2}}{{H}_{5}}COOH;\,\,Alcohol:C{{H}_{3}}OH\]
done
clear
E)
None of these
done
clear
View Answer play_arrow
If current passing through a conductor is halved, what will happen to the heat produced by it?
A)
The heat produced will remain same
done
clear
B)
The heat produced will become double
done
clear
C)
The heat produced will become one-fourth
done
clear
D)
The heat produced will become four times
done
clear
E)
None of these
done
clear
View Answer play_arrow
My face is towards South. By turning according to which sequence my face will remain in the same direction?
A)
Left, Right, Left, Right, Left, Left, Right, Right
done
clear
B)
Left, Left, Right, Right, Left, Right, Left, Left
done
clear
C)
Right, Right, Right, Left, Left, Left, Right, Right
done
clear
D)
Right, Left, Left, Right, Left, Left, Right, Left
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which is the number that should come next in the following series? 6, 7, 15, 42, _________.
A)
120
done
clear
B)
116
done
clear
C)
106
done
clear
D)
96
done
clear
E)
None of these
done
clear
View Answer play_arrow
Find the next term in the series: WFB, TGD, QHG, ?
A)
NIJ
done
clear
B)
NIK
done
clear
C)
NJK
done
clear
D)
OIK
done
clear
E)
None of these
done
clear
View Answer play_arrow
A is the son of C, C and Q are sisters, R is the mother of Q. If A is the father of P then which of the following options is correct?
A)
R is the maternal grandmother of A
done
clear
B)
Q is the sister-in-law of A
done
clear
C)
C is the granddaughter of R
done
clear
D)
All of the above
done
clear
E)
None of these
done
clear
View Answer play_arrow
Find the missing number.
4 5 6 5 6 7 8 21 3 7 7 9 5 7 ? 10
A)
8
done
clear
B)
6
done
clear
C)
9
done
clear
D)
10
done
clear
E)
None of these
done
clear
View Answer play_arrow
If \['-'\]stands for ?division?, '+' for ?multiplication?, \['\div '\] for 'subtraction' and \['\times '\] for 'addition' then which one of the following equations is correct?
A)
\[6+20-12\div 7-1=38\]
done
clear
B)
\[6-20\div 12\times 7+1=57\]
done
clear
C)
\[6+20-12\div 7\times 1=62\]
done
clear
D)
\[6\div 20\times 12+7-1=70\]
done
clear
E)
None of these
done
clear
View Answer play_arrow
A, B, C, P, Q and R are the members of a family of 6. R, the father of B is elder than P. A is younger than only three members of the family. Q, wife of B is elder than C, who is not the youngest. P is second eldest. Who is third eldest among them?
A)
R
done
clear
B)
Q
done
clear
C)
B
done
clear
D)
C
done
clear
E)
None of these
done
clear
View Answer play_arrow
Direction: (Question 38 and 39): From amongst five doctors A, B, C, D and E, four engineers G, H, K and L six teachers M, N, O, P, Q and R, some teams are to be selected. Of these A, B, G, H, O, P and Q are females and the rest are males. The formation of teams is subject to the following conditions: i. Wherever there is a male doctor, there will be no female teacher. ii. Wherever there is a male engineer, there will be no female doctor. iii. There shall not be more than two male teachers in any team.
If the team consists of two doctors, three female teachers and two engineers, the members of the team are
A)
A, B, O, P, Q, G, H
done
clear
B)
C, D, K, L, O, P, Q
done
clear
C)
C, D, O, P, Q, G, H
done
clear
D)
D, E, G, H, O, P, Q
done
clear
E)
None of these
done
clear
View Answer play_arrow
Direction: From amongst five doctors A, B, C, D and E, four engineers G, H, K and L six teachers M, N, O, P, Q and R, some teams are to be selected. Of these A, B, G, H, O, P and Q are females and the rest are males. The formation of teams is subject to the following conditions: i. Wherever there is a male doctor, there will be no female teacher. ii. Wherever there is a male engineer, there will be no female doctor. iii. There shall not be more than two male teachers in any team.
If the team consists of two doctors, one engineer and four teachers, all the following teams are possible except
A)
A, B, G, M, N, O, P
done
clear
B)
A, B, H, M, O, P, Q
done
clear
C)
A, B, H, M, R, P, Q
done
clear
D)
A, B, K, N, R, P, Q
done
clear
E)
None of these
done
clear
View Answer play_arrow
Direction for question. 40: In the following diagram, the square represents girls, the circle tall persons, the triangle is for tennis players and the rectangle stands for the swimmers.
Which letter represents tall girls who are swimmers but don't play tennis?
A)
C
done
clear
B)
D
done
clear
C)
G
done
clear
D)
H
done
clear
E)
None of these
done
clear
View Answer play_arrow
Match the following:
Column A Column B (I) Chalk [A] \[CaO\] (II) Quicklime [B] \[Ca{{(OH)}_{2}}\] (III) Slaked lime [C] \[NaHC{{O}_{3}}\] (IV) Sodium bicarbonate [D] \[CaC{{O}_{3}}\]
A)
I \[\to \] D, II \[\to \] B, III\[\to \] A, IV \[\to \] C
done
clear
B)
I \[\to \] D, II \[\to \] A, III \[\to \] B, IV \[\to \] C
done
clear
C)
I \[\to \] B, II \[\to \]A, III \[\to \] D, IV \[\to \]C
done
clear
D)
I \[\to \] C, II \[\to \] D, III \[\to \] B, IV \[\to \] A
done
clear
E)
None of these
done
clear
View Answer play_arrow
March the following:
Column A Column B (I) Group 16 [A] Ga (II) Group 14 [B] Ca (III) Group 2 [C] C (IV) Group 13 [D] S
A)
I \[\to \] C, II \[\to \] D, III \[\to \] A, IV \[\to \] B
done
clear
B)
I \[\to \] D, II\[\to \] C, III\[\to \] A, IV\[\to \] B
done
clear
C)
I \[\to \] D, II \[\to \] C, III \[\to \] B, IV \[\to \] A
done
clear
D)
I\[\to \] D, II\[\to \] B, III\[\to \] A, IV\[\to \] C
done
clear
E)
None of these
done
clear
View Answer play_arrow
Write the correct path for blood flow from lungs to the body organs and then back to lungs in our body.
A)
Lungs\[\to \] Pulmonary vein\[\to \] Left ventricle\[\to \] Left atrium \[\to \] Aorta \[\to \] Body Organs \[\to \] Vena Cava \[\to \] Right Ventricle \[\to \] Right atrium \[\to \] Pulmonary artery \[\to \] Lungs.
done
clear
B)
Lungs \[\to \] Pulmonary vein \[\to \] Left atrium \[\to \] Left ventricle \[\to \] Aorta \[\to \] Body organs \[\to \] Vena cava \[\to \] Right atrium \[\to \] Right ventricle \[\to \] Pulmonary artery \[\to \] Lungs.
done
clear
C)
Lungs \[\to \] Left atrium \[\to \] Left ventricle \[\to \]Body organs \[\to \] Vena cava \[\to \] Right atrium \[\to \] Right ventricle \[\to \] Pulmonary artery Pulmonary \[\to \] vein Aorta \[\to \] Lungs.
done
clear
D)
Lungs \[\to \] Pulmonary artery \[\to \] Pulmonary vein \[\to \] Body organs \[\to \] Vena cava \[\to \] Right atrium \[\to \] Right ventricle \[\to \]Aorta \[\to \] Left ventricle \[\to \] Left atrium \[\to \]Lungs.
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which of the following statements is incorrect? (i) Resistance of a wire increases with the increase in the length of the wire. (ii) A thick wire has more resistance than a thin wire of same length. (iii) Resistance of a conductor decreases with increase in temperature. (iv) The ratio of potential difference and current is known as resistivity. (v) If five resistances each of value 0.2 ohm, are connected in series, their resultant resistance will be 1 ohm.
A)
(i) and (ii)
done
clear
B)
(ii), (iii) and (iv)
done
clear
C)
(i) and (iii)
done
clear
D)
(i) and (iv)
done
clear
E)
None of these
done
clear
View Answer play_arrow
Fill in the blanks with correct combination of terms. If an object is placed at a distance of \[\underline{\,\,\,L\,\,\,}\]from a convex mirror of focal length \[\underline{\,\,\,M\,\,\,}\].the image will be produced at the distance of \[\underline{\,\,\,N\,\,\,}\] the convex mirror and its nature will be \[\underline{\,\,\,O\,\,\,}\]
A)
L-10 cm, M-8 cm, N-6 cm behind, O-virtual and erect
done
clear
B)
L-12 cm, M-15 cm, N-6 cm in front of, O-real and inverted
done
clear
C)
L-10 cm, M-15 cm, N-6 cm in front of, O-real and inverted
done
clear
D)
L-10 cm, M-15 cm, N-6 cm behind, O-virtual and erect
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which one of the following statements is correct? i. A neuron cell does not contain mitochondria and endoplasmic reticulum. ii. Dendrites arise from the cell body of a neuron. iii. Nerve impulses pass along a neuron in one direction only. iv. The axon of a neuron has no covering. v. The neurons carry message in the form of electric signals called nerve impulses.
A)
i and ii
done
clear
B)
ii, iii and iv
done
clear
C)
i, iv and v
done
clear
D)
ii, iii and v
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which one of the following statements is correct? i. If an object is placed between infinity and centre of curvature of a concave mirror, the image will be produced between focus and centre of curvature of the mirror. ii. If an object is placed at infinity in front of a convex mirror, the image produced wilt be real, smaller and inverted. iii. If an object is placed between \[2{{F}_{1}}\] and \[{{F}_{1}}\] in front of a convex lens, the image will be produced between \[2{{F}_{2}}\] and\[{{F}_{2}}\]. iv. When an object is placed between infinity and optical centre of a concave lens, image produced will be virtual, erect and smaller. v. When an object is placed at centre of curvature of a concave mirror, the image produced will be real, same size and inverted.
A)
ii, iii, iv and v
done
clear
B)
i, ii, iv and v
done
clear
C)
i, iv, v
done
clear
D)
all i, ii, iii, iv and v
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which of the following statements is correct? i.\[Ca{{(OH)}_{2}}\] and \[Mg{{(OH)}_{2}}\] are examples of diacidic base. ii. A weak base produces high concentration of hydroxyl ions in solution. iii. Alkalis change colourless phenolphthalein to pink. iv. All bases decompose on heating to form their respective oxides. v. Alkalis react with carbon dioxide to form carbonic acid.
A)
i and iii
done
clear
B)
i, iii and iv
done
clear
C)
ii, iv and v
done
clear
D)
i, iii, iv and v
done
clear
E)
None of these
done
clear
View Answer play_arrow
Match the following.
A. Glauber's salt I. \[N{{a}_{2}}S{{O}_{4}}.10{{H}_{2}}O\] B. Hypo II. \[CuS{{O}_{4}}.5{{H}_{2}}O\] C. Blue vitriol III. \[FeS{{O}_{4}}.7{{H}_{2}}O\] D. Green vitriol IV. \[MgS{{O}_{4}}.7{{H}_{2}}O\] E. Epsom salt V. \[N{{a}_{2}}{{S}_{2}}{{O}_{3}}.5{{H}_{2}}O\]
A)
A \[\to \] IV, B \[\to \] V, C \[\to \] II, D \[\to \] III, E \[\to \] I
done
clear
B)
A \[\to \] I, B \[\to \] V, C \[\to \] II, D \[\to \] III, E \[\to \] IV
done
clear
C)
A \[\to \] I, B \[\to \] V, C \[\to \] III, D \[\to \] II, E \[\to \] IV
done
clear
D)
A\[\to \]V, B\[\to \]I, C\[\to \]II, D\[\to \]III, E\[\to \]IV
done
clear
E)
None of these
done
clear
View Answer play_arrow
In human female body \[\underline{\,\,\,P\,\,\,}\] takes place in\[\underline{\,\,\,Q\,\,\,}\]. Which results the formation of\[\underline{\,\,\,R\,\,\,}\]. The zygote divide rapidly by 5 and forms mass of cells called\[\underline{\,\,\,T\,\,\,}\].
A)
P-fertilization, Q-uterus, R-Zygote, S-Mitosis, T-morula
done
clear
B)
P-fertilization, Q-fallopian tube, R-gamete, S-meosis, T-morula
done
clear
C)
P-fertilization, Q-oviduct, R-Zygote, S-Mitosis, T-morula
done
clear
D)
P-ovulation, Q-oviduct, R-Zygote, S-Mitosis, T-Morula
done
clear
E)
None of these
done
clear
View Answer play_arrow