EASY
10th CBSE
IMPORTANT
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An organism's success at attracting a mate is done through a process known as  selection.
 

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Important Questions on Heredity and Evolution

EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE BIOLOGY For Class X>Chapter 4 - Heredity and Evolution>EXERCISE>Q 8
_____ (Individual/ Species/ Genome/ Phylum) is the biggest gene pool possible under natural conditions.
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE BIOLOGY For Class X>Chapter 4 - Heredity and Evolution>EXERCISE>Q 10
Fins of fishes and flippers of whales are _____ organs.
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE BIOLOGY For Class X>Chapter 4 - Heredity and Evolution>EXERCISE>Q 11

Fill in the blank with the correct option provided in the bracket.

_____(Carbon dating/Radiation/HCl) is used to determine the age of a fossil.

EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE BIOLOGY For Class X>Chapter 4 - Heredity and Evolution>EXERCISE>Q 13
One of the earliest defining human traits is _____. (brain size/bipedalism/use of tools)
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE BIOLOGY For Class X>Chapter 4 - Heredity and Evolution>EXERCISE>Q 14
_____ is a popular method to trace evolutionary relationships from fossils.
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE BIOLOGY For Class X>Chapter 4 - Heredity and Evolution>EXERCISE>Q 15
DNA is present in _____.
MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE BIOLOGY For Class X>Chapter 4 - Heredity and Evolution>EXERCISE>Q 1

What do you understand by the double-helical structure of DNA? Identity the labels ’A’ and ‘B’ in the given figure of DNA?

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MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE BIOLOGY For Class X>Chapter 4 - Heredity and Evolution>EXERCISE>Q 2

Identify the numbers '?' in the following flow chart of sex determination.

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