List of practice Questions

Plasmids were discovered by

Pigment iodopsin is contained in

Phloem sap is mainly made of

Phenotypic and genotypic ratio is similar in case of

Phenyl isocyanide is formed when chloroform is treated with alcoholic potassium hydroxide and

Paramoecium shows cytoplasmic inheritance through

Ornithology is the study of

One of the world�s most poisonous fish toxins is released by

One micrometer is equal to

One hormone is used to speed up the malting process in barley, another is used to promote flowering in pineapple, while the third helps in the delay of leaf senescence. These are respectively

Olecranon process is associated with

$N$ divisions on the main scale of a vernier calliper coincide with $(N+1)$ divisions of the vernier scale. If each division of main scale is $'a'$ units, then the least count of the instrument is

Muga silk worm feeds on

$MnO_3$ in an acidic medium dissociates into

Members of which phylum are exclusively marine

Maximum cranial capacity was in

Mannitol is a stored food material found in members of which of the following classes?

Cell respiration is carried out by

$ CH_3COOH {->[LiAlH_4]} A + CH_3COOH {->[H_3O^+]}B + H_2O$ In the above reactions A and B respectively are

Broadcasting antennas are generally

Bleaching powder and bleach solution are produced on a large scale and used in several household products. The effectiveness of bleach solution is often measured by iodometry. Bleaching powder contains a salt of an oxoacid as one of its components. The anhydride of that oxoacid is

There are 34 biodiversity hotspots in the world. High level of species richness is a criteria for selection of a biodiversity hotspot.

Excess carbohydrates and proteins are storedin the body as

The exchange of segments of non-sister chromatids between chromosomes of a homologous pair termed as

A thin convex lens of refractive index $1.5$ has $20 \,cm$ focal length in air. If the lens is completely immersed in a liquid of refractive index $1.6$, its focal length will be