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TLS Online TPP Program

#Question id: 20207

If wavelength of photon is 2·2 × 10 – 11m, h = 6·6 × 10–34 Js, then momentum of photon is

#XL - P Chemistry
  1. 3 × 10–23 kg/s 
  2. 1·452 × 10–44 kg/s
  3. 3·33 × 1022 kg/s 
  4. 6·89 × 1043 kg/s.
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TLS Online TPP Program

#Question id: 10509

#XL - R Botany

A different type of mechanical obstacle to herbivory is provided by mineral crystals that are present in many plant species, such as silica crystals known as
TLS Online TPP Program

#Question id: 10510

#XL - R Botany

Constitutive chemical defenses are effective against many different herbivores, including insects and mammals. Hemlock (Cicuta sp.) produces which toxins that a polyacetylene prolongs the repolarization of neuronal action potentials.
TLS Online TPP Program

#Question id: 10511

#XL - R Botany

Which type of pumps inhibits digitoxin in the membranes of heart cells, leading to increased myocardial contraction?
TLS Online TPP Program

#Question id: 10512

#XL - R Botany

Members of the Poaceae family, which includes all of the cereal crops, use benzoxazinoids alkaloids are derived from,
TLS Online TPP Program

#Question id: 10513

#XL - R Botany

Which of the following major cyanogenic glycosides are derived from the Cassava?
TLS Online TPP Program

#Question id: 10514

#XL - R Botany

Volicitin was identified as the active substance in the form of