Practice Questions

TLS Online TPP Program

#Question id: 4616

Logically, which of these should cast the most doubt on the relationships depicted by an evolutionary tree?

#XL - T Zoology

Some of the organisms depicted by the tree lived in different habitats.
The skeletal remains of the organisms depicted by the tree were incomplete (in other words, some bones were missing).
Transitional fossils had not been found.
Relationships between DNA sequences among the species did not match relationships between skeletal patterns.

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TLS Online TPP Program

#Question id: 4921

#XL - R Botany

Shell coiling in snail determine by genetic maternal effect. S for dextral and s for sinistral. Following cross allowed between

Male	Female	Progeny (Genotype)
Dextral	sinistral	Dextral (K1)
Dextral	Sinistral	Sinistral (K2)
Sinistral	sinistral	Dextral (K3)
Dextral	Dextral	Sinistral (K4)

Which of the following progeny not have SS genotype?

TLS Online TPP Program

#Question id: 20175

#XL - P Chemistry

According to Bohr’s theory, the energy required for the transition of H atom from n = 6 to n =8 state is

TLS Online TPP Program

#Question id: 15170

#XL - S Microbiology

Chemoheterotrophs are the bacteria which utilize

TLS Online TPP Program

#Question id: 19968

#XL - P Chemistry

In an atom with 2K, 8L, 11M and 2N electrons the number of electrons with m= 0 ; s = + ½ are

TLS Online TPP Program

#Question id: 18488

#XL - R Botany

Which of the following diseases are caused by Bacteria in plants?