Nasal chambers and buccal cavity are separated by (A) Palatine (B) Palate (C) Vulva (D) None of these
Option (B) Palate. The palate is the roof of the mouth in mammals including humans. Palate separates the oral cavity... View Article
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A stamen consists of two parts namely a) Anther and filament b) Filamentand style c) Anther and style d) Stigma and style
Option a) Anther and filament.
The rise of a liquid in a capillary tube is due to: a) Diffusion b) Surface Tension c) Atmospheric condition d) Osmosis
Option b) Surface Tension. The rise of a liquid in a capillary tube is due to surface tension or capillary... View Article
The geometry of a carbocation is a) linear b) planar c) tetrahedral d) octahedral
Option b) planar.
Changes in which one or more new substances are formed are called ____ changes. a) Physical b) Chemical c) Atmospheric d) None of these
Option b) Chemical.
There are three solids made up of aluminium, steel and wood, of the same shape and same volume. Which of them would have highest inertia? a) Steel b) Wood c) Aluminium d) None of these
Option a) Steel. As we know the mass is a measure of inertia. Among these three materials, steel has the... View Article
Sporangia and spore bearing leaf in fern is called as a) Sorus b) Sporophyll /frond c) Ramentum d) Indusium
Option b) Sporophyll /frond. A sporophyll is a leaf, that bears sporangia.
How many minutes are there in half of the non-leap year
1 day =24 hours1 hour =60 minutes1 day =24×60=1440 minutes1 year =365 days1 year =365×1440=5256001/2 year =525600/2=262800 minutesHence, the answer... View Article
Who first used the term enzyme a) Wilhelm Friedrich Kühne b) Thompson c) Garnier d) Sumner
Option a) Wilhelm Friedrich Kühne. In 1878, Wilhelm Friedrich Kühne coined the term enzymes.
Who initiated collaboration with Norman Borlaug which culminated in the green revolution in India? a) M.S. Swaminathan b) Ram Deo Misra c) Dr W. Dudgeon d) Dr Panchanan Maheshwari
Option a) M.S. Swaminathan.
The type of tissue present in the petioles of banana and canna is a) Chlorenchyma b) Aerenchyma c) Stellate parenchyma d) Prosenchyma
Option c) Stellate parenchyma. Stellate parenchyma are aerenchymatous tissues that are made up of parenchyma cells with large intercellular spaces.
What is the genotypic and phenotypic ratio of the monohybrid test cross? a) 2:1 b) 1:2 c) 1:1 d) 2:1:1
Option c) 1:1.
A liquid was mixed with ethanol and a drop of concentrated H2SO4 was added. A compound with a fruity smell was formed. The liquid was:
The liquid formed is CH3COOH (Acetic acid). The fruity smell is due to the formation of ester when acid and... View Article
Lead poisoning in the body can be removed by a) Cis-platin b) Zeisse’s salt. c) DMG d) EDTA in the form of calcium dihydrogen salt
Option d) EDTA in the form of calcium dihydrogen salt. Lead poisoning in the body can be removed by EDTA... View Article
Which of the following is not a surfactant a) OHC−(CH2)14−CH2−COO−Na+ b) CH3−(CH2)15−N+(CH3)3Br− c) CH3−(CH2)16−CH2OSO2−Na+ d) CH3−(CH2)14−CH2NH2
Option d) CH3−(CH2)14−CH2NH2. Surfactants are amphiphilic molecules that have hydrophobic and hydrophilic parts. Surfactants are classified on their polar head... View Article
Replace the word mentioned in the quotes: the painting “which” they were looking at was done by my sister. a) That b) Who c) What d) He/she
Option a) That.
The lac operon consists of which of the following a) Three regulatory genes and three structural genes b) Four regulatory genes only c) Two regulatory genes and two structural genes d) One regulatory gene and three structural genes
Option d) One regulatory gene and three structural genes.
Who discovered radioactivity
Radioactivity was discovered by Henri Becquerel. Radioactivity is a property exhibited by certain types of matter of emitting energy and... View Article
The oxygen produced during photosynthesis comes from photolysis of water was the first time proved by a) Malvin Calvin b) Blackman c) Robert Mayer d) Ruben and Kamen
Option d) Ruben and Kamen.
Fill in the blank with the most appropriate option: By sheer hard work, Sushil has __________ out a niche for himself in the field of engineering. a) Obtained b) Recieved c) Carved d) Worked
Option c) Carved.
