Spot out the zone of our country considered as the hot spot of biodiversity and regarded as the ‘cradle of speciation’
Options
(a) Western ghats (b) North-Eastern region (c) Himalayan base (d) Deccan […]
Which of the following is an agrostologic method of soil conservation?
Options
(a) basin listing (b) terracing (c) dry farming (d) None of these
Correct Answer:
None of these
Explanation:
No explanation available. […]
A dihybrid test cross yielding a result of 1 : 1 : 1 : 1 ratio is indicative of
Options
(a) 4 different types of gametes produced by the F₁ dihybrid (b) homozygous […]
A condition where a certain gene is present in only a single copy in a diploid cell is called
Options
(a) heterozygous (b) monozygous (c) homozygous (d) hemizygous
Correct Answer:
hemizygous
Explanation:
No […]
A sexually transmitted disease symptomised by the development of chance on the genitals is caused by the infection of
Options
(a) Treponema pallidum (b) Neisseria gonorrhoeae (c) human immunodeficiency virus (d) hepatitis B
Correct […]
The reaction of an organic compound with ammonia followed by nitration of the product gives a powerful explosive, called RDX.The organic compound is
Options
(a) phenol (b) toluene (c) glycerine (d) formaldehyde
Correct […]
An unpolarised beam of intensity I₀ falls on a polaroid. The intensity of the emergent light is
Options
(a) I₀/4 (b) zero (c) I₀/2 (d) I₀
Correct Answer:
I₀/2
Explanation:
When unpolarised beam […]
In Young’s double slit experiment, a third slit is made in between the double slits. Then
Options
(a) fringes of unequal width are formed (b) contrast between bright and dark fringes is reduced […]
In a franhofer diffraction experiment at a single slit using a light of wavelength 400 nm, the first minimum is formed at an angle of 30. The direction of the first secondary maximum is given […]
In which of the processes, does the internal energy of the system remain constant?
Options
(a) Isobaric (b) Isothermal (c) Adiabatic (d) Isochoric
Correct Answer:
Isothermal
Explanation:
No explanation available. Be the first […]
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