A monochromatic light of wavelength 589 nm is incident on a water surface having refractive index 1.33. Find the velocity of light in water.
3 x 10 8 ms -1✔X
332 ms-1✔X
280 ms-1✔X
2.25 x 108 ms-1✔X
2/49
The colour light emitted by LED depends on
its reverse bias✔X
its forward bias✔X
the amount of forward current✔X
type of semiconductor material✔X
3/49
Which is called “Aqua tortis?”
H2SO4✔X
HNO3✔X
HCI✔X
H3PO4✔X
4/49
Insectivorous plants not able to synthesize enough protein due to the definciency of
Hydrogen✔X
Carbon✔X
Nitrogen✔X
Oxygen✔X
5/49
The total amount of energy release from one molecule of glucose on oxidation is about
2600 kJ✔X
2300 kJ✔X
2900 kJ✔X
2500 kJ✔X
6/49
Which is known as “Sundew Plant?”
Cuscuta✔X
Drosera✔X
Vanda✔X
Viscum✔X
7/49
A Conductor of length 50 cm carrying of 5 A is placed perpendicular to a magnetic field of induction 2 x 10-3 T. Find the force on the conductor
5 x 10-3 N✔X
3 x 103 N✔X
4.9 x 103 N✔X
5 x 103 N✔X
8/49
Which of the following weights the most?
One mole of water✔X
One mole of Sodium-✔X
One molecule of H2SO4✔X
One gram-atom of nitrogen✔X
9/49
The elements like silicon, tellurium and germanium can be purified by
Electrolytic refining✔X
Mond’s process✔X
Zone refining-✔X
Pattinson’s process-✔X
10/49
------------- is the basic unit of classification.
Division✔X
Family✔X
Class✔X
Species✔X
11/49
Who coined the term “Biosystematic?”
Bentham and Hooker✔X
Camp and Gily✔X
Watson and Crick✔X
Garner and Allard✔X
12/49
Bacterial diseases syphilis is caused by
Vibrio Cholerae✔X
Treponema pallidium✔X
Neisseria gonorrhoea✔X
Yersinia pestis✔X
13/49
Which hormone is called as fight, flight and fright hormone?
Epinepherine✔X
Glucagon✔X
Thyroxine✔X
Vasopressin✔X
14/49
Who has developed and demonstrated the first nuclear reactor in the year 1942?
Bhor and Wheeler✔X
Enrico Fermi-✔X
Albert Einstein✔X
Bhor and Mottleson✔X
15/49
The First ionization potential of Na, Mg, Al and Si are in the order
Na > Mg > Al > Si✔X
Si > Al > Mg > Na✔X
Na < Al < Mg < Si✔X
Si > Mg > Al > Na✔X
16/49
CH3COOH + H2O _________ H2O+ + CH3COO- In the given reaction, which one is conjugate acid of acetate ion?
H3O+✔X
CH3COOH✔X
H2O✔X
Both H3O+ and CH3COOH✔X
17/49
Give an example for Non-Renewable Energy
Wind✔X
Fossil fuels or coal✔X
Solar✔X
Water✔X
18/49
Which one of the following is a common respiratory substrate in plants?
Proteins✔X
Lipids✔X
Carbohydrates✔X
Fatty acids✔X
19/49
Which organ or gland of the human body is secreting Insulin?
Thyroid✔X
Adrenal✔X
Pancreas✔X
Liver✔X
20/49
Plasmids that carry genes coding for colicins
Fertility plasmids✔X
Resistance plasmids✔X
Col plasmid✔X
Virulence plasmid✔X
21/49
The Young’s modulus of Carbon Nanotubes (CNT) rages from
1.68 to 2 Tpa✔X
1.28 to 1.8 Tpa✔X
0.168 to 0.2 Tpa✔X
0.128 to 0.18 Tpa✔X
22/49
The telescope used for the research of supernovae is
Hubble space telescope✔X
Chandrasekar space telescope✔X
Hertzberg space telescope✔X
Russel space telescope✔X
23/49
The ratio of the intensity of magnetization to the applied magnetic field strength is known as magnetic
Susceptibility✔X
Co-erivity-✔X
Retentivity✔X
Permeability✔X
24/49
The Ore, (CaCo3.MgCO3) is known as
Magnesite✔X
Siderite✔X
Dolomite✔X
Calamine✔X
25/49
Which of the following is used as an ingredient of cockroach repellant?
Acetic acid✔X
Boric acid-✔X
Oxalic Acid-✔X
Benzoic acid✔X
26/49
Who introduced the binomial system for naming the plants?
Adolf Engler✔X
Carolus Linnaeus✔X
Dalton Hooker✔X
George Bentham✔X
27/49
Match the following : Thymosin 1. Control BMR Calcitonin 2. Muscle elasticity Thyroxine 3. Maturation of T-Cell Relaxin 4. Regulation of minerals
4 1 2 3✔X
3 4 1 2✔X
4 2 1 3✔X
2 3 4 1✔X
28/49
Diastole and Systole are generally of equal duration, each lasting about
0.2 sec✔X
0.4 sec✔X
0.5 sec✔X
0.6 sec-✔X
29/49
Faraday’s laws of electrolysis are related to
Atomic number of the cation✔X
Atomic number of the anion✔X
Equivalent weight of the electrolyte✔X
Speed of the cation-✔X
30/49
Parasitic plants obtain the required food through special roots called
Tentacles✔X
Clinging roots✔X
Haustoria✔X
Saprophytes✔X
31/49
Consider the following statements and choose the correct answer (a) Peroxisome and glyoxisome are microbodies. (b) Peroxisome is present in the castor seed.
(a) is correct (b) is wrong✔X
(b) is correct (a) is wrong✔X
(a) and (b) are correct-✔X
(a) and (b) are wrong-✔X
32/49
Dopamine is a
Protein✔X
Carbohydrate✔X
Nutrient✔X
Drug✔X
33/49
If the earth stops rotating, the value of g at the equator
increases✔X
decreases✔X
remains constant✔X
becomes zero✔X
34/49
The principle of gravitational lenses is
reflection of light✔X
refraction of light-✔X
Polarisation of light✔X
bending of light around masses✔X
35/49
The acid strength of halogen acids is one of the following order
HCI > HBr > HF > HI✔X
HI > HBr > HCI > HF✔X
HI > HF > HBr > HCI✔X
HCI > HI > HF > HBr✔X
36/49
The health is affected by the 1. Genetic disorders only 2. Deficiency of vitamins and minerals 3. Infections only 4. Life style of an individual
1,2,3 only✔X
2,3,4 only✔X
3, 4 only✔X
1,2 3 and 4 correct-✔X
37/49
Which one of the following is not a halide ore?
Rock salt✔X
Horn silver✔X
Cryolite✔X
Barytes✔X
38/49
Projectile motion is a combination of horizontal motion with constant ------------- --- and vertical motion with constant --------------
Acceleration, Velocity✔X
Velocity, Acceleration✔X
Displacement, velocity-✔X
Velocity, displacement✔X
39/49
Nuclear force is
charge depended✔X
spin independent✔X
both charge and spin independent✔X
spin dependent but charge independent✔X
40/49
The area of a semi-circle of radius 7 c.m. is
7 cm2✔X
777 cm2✔X
77 cm2✔X
7777 cm2✔X
41/49
The oxidation of SO to SO ion by oxygen SO + O SO, in this reaction which is Lewis acid and Lewis base?
SO is Lewis acid and Oxygen is Lewis base✔X
Oxygen is Lewis acid and SO is Lewis base✔X
Both are Lewis acids✔X
Both are Lewis Bases✔X
42/49
Cyanide resistant respiration is found in
Plants only✔X
Animals only✔X
Both plants and animals✔X
Plants and Microbes✔X
43/49
Male sex hormone ‘testosterone’ is produced by
Leydig cells✔X
Sertoli cells✔X
Germinal epithelial cells✔X
Spermatogonial cells✔X
44/49
Calculate the dimensions of Planck’s constant ‘h’, using the equation E = hy, where E energy and y frequency
MLT-1✔X
ML2T-1✔X
ML-1T-2✔X
ML-2 T-1✔X
45/49
Which one of the organic pesticides that contain phosphorous?
DDT✔X
BHC✔X
2, 4-D✔X
Parathion✔X
46/49
In Transmission Electron Microscope (TEM) ------------ is used to magnify the objects.
Light✔X
Optical lenses✔X
Electrons✔X
Scanner✔X
47/49
The Respiratory quotient value for glucose is
0.5✔X
1.0✔X
1.5✔X
2.0✔X
48/49
Which of the following hormone stimulates contraction of uterine smooth muscle?
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