MEDIUM
10th CBSE
IMPORTANT
Earn 100

Pure-bred round-yellow pea seeds have genotype RRYY and the pure-bred wrinkled-green pea seeds have genotype rryy. Keeping this in mind, write the phenotypes of the following genotypes of hybrid pea seeds:  RrYy
 

Important Questions on Heredity and Evolution

MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Questions Based on High Order Thinking Skills (HOTS)>Q 80
Pure-bred round-yellow pea seeds have genotype RRYY and the pure-bred wrinkled-green pea seeds have genotype rryy. Keeping this in mind, write the phenotypes of the following genotypes of hybrid pea seeds:  RRyy
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Very Short Answer Type Questions>Q 4
State one characteristic which shows that the birds are very closely related to dinosaurs.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Very Short Answer Type Questions>Q 7
Where did life originate on the earth?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Very Short Answer Type Questions>Q 8
Write the names of at least three inorganic molecules which helped in the origin of life on the earth.
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Very Short Answer Type Questions>Q 11
Name two organisms which are now extinct and studied from their fossils.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Very Short Answer Type Questions>Q 12

Out of the wing of a bird, wing of an insect and the wing of a bat :

Which two are homologous organs?

EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Very Short Answer Type Questions>Q 12

Out of the wing of a bird, wing of an insect and the wing of a bat:

Which two are analogous organs?

MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Very Short Answer Type Questions>Q 13
Why are human beings who look so different from each other in terms of size, colour and looks said to belong to the same species?