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TLS Online TPP Program

#Question id: 35505

Which of the following are true regarding embryogenesis in dicotyledonous plants like Capsella bursa-pastoris?

#XL - R Botany
  1. The zygote first divides longitudinally into two equal cells.
  2. The terminal cell gives rise to most of the embryo proper.
  3. The basal cell forms the suspensor.
  4. The embryo passes through globular, heart-shaped, and torpedo stages.
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TLS Online TPP Program

#Question id: 20151

#XL - P Chemistry

Sodium chloride imparts a yellow colour to the Bunsen flame. This can be interpreted due to the
TLS Online TPP Program

#Question id: 20152

#XL - P Chemistry

The exact path of electron 2p-orbital cannot be determined.” The above statement is based
TLS Online TPP Program

#Question id: 20153

#XL - P Chemistry

The maximum number of electrons in a subshell is given by the expression
TLS Online TPP Program

#Question id: 20154

#XL - P Chemistry

If r is the radius of first orbit, the radius of nth orbit of the H atom will be
TLS Online TPP Program

#Question id: 20155

#XL - P Chemistry

The energy of hydrogen atom in its ground state is -13·6 eV. The energy of the level corresponding to the quantum number n = 5 is
TLS Online TPP Program

#Question id: 20156

#XL - P Chemistry

At 200°C hydrogen molecules have velocity 105 cm sec–1. The de-Broglie wavelength in this case is approximately