Which of the following organisms is the most specialized?
paramecium
Amoeba
Spirogyra
Rhizopus
Correct answer is D
No explanation has been provided for this answer.
Which of the following organisms exhibit division of labour?
houseflies
butterflies
cockroaches
termites
Correct answer is D
No explanation has been provided for this answer.
each gamete contains only paternal hereditary information
chromosomes contain a random mixture of paternal and maternal chromosomes
chromosomes in the four gamete cells are diploid in number
chromosomes contain only maternal hereditary information
Correct answer is B
No explanation has been provided for this answer.
some were short while others were long
all were long
half of them were long while half were short
three-quarters were long while one quarter were short
Correct answer is B
No explanation has been provided for this answer.
100% tall 0% dwarf
75% tall 25% dwarf
50% tall 50% dwarf
25% tall 75% dwarf
Correct answer is C
A heterozygous tall plant (say Tt) crossed with pure-breeding dwarf plants (tt) will give a set of Tt, Tt, tt and tt. This is 50% tall and 50% dwarf approximately.