Select the mismatch: Option 1 : Frankia                         AlnusOption 2 : Rhodospirillum          MycorrhizaOption 3 : Anabaena                     Nitrogen fixerOption 4 : Rhizobium                   Alfalfa

Frogs heart when taken out of the body continues to beat for some time. Select the best option from the following statement. (a) Frog is a poikilotherm. (b) Frog does not have any coronary circulation. (c) Heart is ‘myogenic’ in nature. (d) Heart is autoexcitable. Option 1 : Only ...

The DNA fragments separated on an agarose gel can be visualized after staining with Option 1 : Aniline blueOption 2 : AcetocarmineOption 3 : Bromophenol blueOption 4 : Ethidium bromide

Hypersecretion of growth hormone in adults does not cause further increase in height, because Option 1 : Bones lose their sensitivity to growth hormone in adults.Option 2 : Epiphyseal plates close after adolescence.Option 3 : Growth hormone becomes inactive in adults.Option 4 : Muscle fibres do ...

Capacitation occurs in Option 1 : EpididymisOption 2 : Rete testisOption 3 : Vas deferensOption 4 : Female reproductive tract

Coconut fruit is a Option 1 : CapsuleOption 2 : DrupeOption 3 : NutOption 4 : Berry

In case of couple where the male is having a very low sperm count, which technique will be suitable for fertilization? Option 1 : Intracytoplasmic sperm injectionOption 2 : GIFT (Gamete Intracytoplasmic)Option 3 : Artificial inseminationOption 4 : Intrauterine transfer

Which statement is wrong for Krebs cycle? Option 1 : The cycle starts with condensation of acetyl group (acetyl CoA) with pyruvic acid to yield citric acid.Option 2 : During conversion of succinyl CoA to succinic acid, a molecule of GTP is synthesized.Option 3 : There are three points in the ...

A temporary endocrine gland in the human body is Option 1 : Corpus cardiacumOption 2 : Corpus luteumOption 3 : Corpus allatumOption 4 : Pineal gland

The association of histone H1 with a nucleosome indicates Option 1 : The DNA double helix is exposed.Option 2 : DNA replication is occurringOption 3 : The DNA is condensed into a chromatin fibre.Option 4 : Transcription is occurring.

Which among these is the correct combination of aquatic mammals? Option 1 : Seals, Dolphins, SharksOption 2 : Dolphins, Seals, TrygonOption 3 : Trygon, Whales, SealsOption 4 : Whales, Dolphins, Seals

Attractants and rewards are required for Option 1 : AnemophilyOption 2 : EntomophilyOption 3 : HydrophilyOption 4 : Cleistogamy