During an atomic explosion, the energy released is due to 1) Conversion of protons to neutrons 2) Conversion of chemical energy into heat energy 3) Conversion of mechanical energy into nuclear energy 4) Conversion of mass into energy ...

Group incules diatoms 1) Euglenoids 2) Chrysophtes 3) Ni aaata4) Dinoflagellates

Karypgamy is found not in 1) Badidomycetes 2) Phycomycetes 3) Ascomycetes 4) sabse acha option

CHIEF PRODUCERS OF OCEANS 1) Golden algae 2) Euglena 3) Gonyaxulax 4) Diatoms

Loss of biodiversity In a region may lead to 1) increase in plant production 2) increased resistance to Drought 3) Both (1) and (2) above 4) increased variability in plant productivity

In a protein molecule various amino acids are linked together by : 1) Bita – glycosidic bond 2) Alpha – glycosidic bond 3) peptide bond 4) dative bond

Placenta acts as an endocrine tissue. Justify.

Name the hormones produced only during pregnancy in human female. Mention their source organ.

Why is it important to feed the newborn babies on colostrum?

Where do the signals for parturition originate in humans?