Among The Following, The Narrow Spectrum Antibiotic Is?
(1) Penicillin G (2) Ampicillin (3) Amoxicillin (4) Chloramphenicol Answer: (1) Further Reading: List of 25 Important Topics in Biology... View Article
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Conjugate Base For Bronsted Acids H2o And Hf Are :
(1) OH– and H2F+, respectively (2) H3O+ and F–, respectively (3) OH– and F–, respectively (4) H3O+ and H2F+, respectively... View Article
Which Of The Following Diatomic Molecular Species Has Only Pi Bonds According To Molecular Orbital Theory?
(1) O2 (2) N2 (3) C2 (4) Be2 Answer: (3) Further Reading: List of 25 Important Topics in Biology for... View Article
For The Second Period Elements The Correct Increasing Order Of First Ionisation Enthalpy Is?
(1) Li < Be < B < C < N < O < F < Ne (2) Li < B... View Article
Enzymes That Utilize Atp In Phosphate Transfer Require An Alkaline Earth Metal (M) As The Cofactor. M Is?
(1) Be (2) Mg (3) Ca (4) Sr Answer: (2) Further Reading: List of 25 Important Topics in Biology for... View Article
The Biodegradable Polymer Is?
(1) Nylon-6,6 (2) Nylon 2-Nylon 6 (3) Nylon-6 (4) Buna-S Answer (2) Further Reading: List of 25 Important Topics in... View Article
A Mass M Is Attached To A Thin Wire And Whirled In A Vertical Circle. The Wire Is Most Likely To Break When?
(1) the mass is at the highest point (2) the wire is horizontal (3) the mass is at the lowest... View Article
In Which Of The Following Devices, The Eddy Current Effect Is Not Used?
(1) Induction furnace (2) Magnetic braking in train (3) Electromagnet (4) Electric heater Answer: (4) Further Reading: List of 25... View Article
What Triggers Activation Of Protoxin To Active Bt Toxin Of Bacillus Thuringiensis In Boll Worm?
(1) Body temperature (2) Moist surface of midgut (3) Alkaline pH of gut (4) Acidic pH of stomach Answer: (3)... View Article
It Takes Very Long Time For Pineapple Plants To Produce Flowers. Which Combination Of Hormones Can Be Applied To Artificially Induce Flowering In Pineapple Plants Throughout The Year To Increase Yield?
(1) Auxin and Ethylene (2) Gibberellin and Cytokinin (3) Gibberellin and Abscisic acid (4) Cytokinin and Abscisic acid Answer: (1)... View Article
Phloem In Gymnosperms Lacks?
(1) Albuminous cells and sieve cells (2) Sieve tubes only (3) Companion cells only (4) Both sieve tubes and companion... View Article
Which Among The Following Is The Narrow Spectrum Antibiotic?
a) Penicillin G b) Ampicillin c) Amoxycillin d) Chloramphenicol Answer: (a) Further Reading: List of 25 Important Topics in Biology... View Article
The Mixture That Forms Maximum Boiling Azeotrope Is?
a) Water + Nitric acid b) Ethanol + water c) Acetone + Carbon Disulphide d) Heptane + octane Answer: (a)... View Article
The Number Of Moles Of Hydrogen Molecules Required To Produce 20 Moles Of Ammonia Via Haber’s Process Is?
a) 10 b) 20 c) 30 d) 40 Answer: (c) Further Reading: List of 25 Important Topics in Biology for... View Article
The Non Essential Amino Acid Among The Following Is?
a) Valine b) Leucine c) Alanine d) Lysine Answer: (c) Further Reading: List of 25 Important Topics in Biology for... View Article
What Are The 3 Types Of Paleontologists?
Paleontologists have the following specializations: Micropaleontologist Paleoanthropologist Vertebrate and Invertebrate Paleontologists Palynologist Further Reading: List of 25 Important Topics in... View Article
Snow Blindness In Antarctic Region Is Due To?
a) High reflection of light from snow b) Damage of retina caused by infra -red rays c) Freezing of fluids... View Article
Which Of The Following Is Not An Attribute Of A Population?
a) Mortality b) Species interaction c) Sex ratio d) Natality Answer: (b) Further Reading: List of 25 Important Topics in... View Article
How Many True Breeding Pea Plant Varieties Did Mendel Select As Pairs, Which Were Similar Except In One Character With Contrasting Traits?
a) 14 b) 8 c) 4 d) 2 Answer: (a) A true breeding line experiences continuous self-pollination and depicts stable inheritance... View Article
Secondary Metabolites Such As Nicotine, Strychnine And Caffeine Are Produced By Plants For Their?
a) defence action b) effect on reproduction c) nutritive value d) growth response Answer: (a) Further Reading: List of 25... View Article
