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TLS Online TPP Program

#Question id: 5526

The allantois

#XL - T Zoology

  1. Occurs in birds but not in mammals

  2. Is an outgrowth of the amnion in all animals producing it

  3. Contributes blood vessels to the umbilical cord in mammals

  4. Becomes the placenta in mammals

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TLS Online TPP Program

#Question id: 19584

#XL - P Chemistry

As we proceed from left to right in groups, what happens to the non-metallic nature?
TLS Online TPP Program

#Question id: 19585

#XL - P Chemistry

Which of the following statements concerning transuranium elements is incorrect?
TLS Online TPP Program

#Question id: 19586

#XL - P Chemistry

Select the appropriate statement.
TLS Online TPP Program

#Question id: 19587

#XL - P Chemistry

What happens to the atomic size of lanthanides as the atomic number increases?
TLS Online TPP Program

#Question id: 19588

#XL - P Chemistry

Which of the following is not a lanthanide property?
TLS Online TPP Program

#Question id: 19589

#XL - P Chemistry

What is the lanthanide’s final element?