List of practice Questions

$J.H$. Taylor's experiment which proved that $DNA$ replication is semi-conservative, was done on
In Krebs' cycle, the hydrogen of malate is accepted by
If the length and time period of an oscillating pendulum have errors of $1\%$ and $3\%$ respectively, then the error in measurement of acceleration due to gravity is
How many days does it take for spermatogenesis to take place ?
How many base pairs are present in single turn of DNA helix?
Hiccups can be best described as
Haploid plant can be obtained from
Fascicular cambium separates the xylem and phloem in
Edible part of a coconut fruit is
During photosynthesis, plants
Diameter of aperture of a plano-convex lens is $6\, cm$ and thickness at the centre is $3\, mm$. If the speed of light in the material of the lens is $2 \times 10^8 \,m \,s ^{-1}$, the focal length of the lens is
Cruciform corolla is characteristic of Family
Crossing over occurs in the______stage of meiosis
Copper sulphate is dissolved in water containing ________ for making Bordeaux mixture.
Corpus luteum is maintained in a woman, under the effect of
Connecting link between glycolysis and Krebs' cycle is
Carbon dioxide is necessary for photosynthesis. The chemical used to remove this gas most effectively from entering a control apparatus is
Carbonic anhydrase is present in
Biolistic (gene gun) is suitable for
Bicollateral vascular bundles are the characteristic of Family
Barr body is missing in the female suffering from
Use of ball bearings between two moving parts of a machine is a common practice. Ball bearings reduce vibrations and provide good stability
The speedometer of an automobile measures the average speed of the automobile. Average velocity is equal to total distance divided by total time taken.
The nymph of a cockroach undergoes moulting several times. There is gradual metamorphosis in cockroach.
Teflon is chemically inert substance. Chloroform when treated with antimony trifluoride gives teflon.