Welcome to cbsenotes.com! To post messages or access any member only section, you will need an account. Create your free account now.
Already a member ? Click here to login
CBSE Notes 2011-2012 » Heredity and Evolution - Class 10 Biology MCQs (Free Practice Test)

Heredity and Evolution - Class 10 Biology MCQs (Free Practice Test)


************************************************
A select subset of questions has been made available here.
You can use this for preparation purpose.
Once you are ready, click on 'Take Quiz' to start the QUIZ.
***********************************************

Question :

Study of fossils is known as


Answer :

Paleobotany
Anatomy
Palaeontology
Ornithology


Question :

The link between organisms that show branching pattern
of evolutionary relationship are shown by


Answer :

two fossil layers
phylogenetic tree
comparative embryology
living fossils


Question :

The two versions of a trait (character) which are brought
in by the male and female gametes are situated on


Answer :

copies of the same chromosome
two different chromosomes
sex chromosomes
any chromosome


Question :

Differences between organisms in a species are described
as variation. Which of the following would you describe
as continuous variation ?


Answer :

Hair colour
Eye colou
Weight
Sex


Question :

The fossil remains of Archaeopteryx is a connecting link
between


Answer :

reptiles and mammals
reptiles and bird
fish and amphibian
amphibian and reptile


Question :

Human offspring's sex is determined


Answer :

through father's sex chromosomes.
through mother's sex chromosomes.
by hormones.
by enzymes.


Question :

A trait in an organism is influenced by


Answer :

paternal DNA only
maternal DNA only
both maternal and paternal DNA
neither by paternal nor by maternal DNA


Question :

Which of the following pairs of organs is analogous to each
other ?


Answer :

Leaf spines and leaf tendrils
Flipper of a whale and leg of a horse
Wings of an insect and wings of a bat
Forelimbs of a frog and human hand Heredity


Question :

Some types of variation are due to changes in the genetic
material. What is this type of change called ?


Answer :

Mutation
Sterilisation
Fertilisation
Radiation


Question :

If a round, green seeded pea plant (RR yy) is crossed with
wrinkled, yellow seeded pea plant, (rr YY) the seeds
produced in F1 generation are


Answer :

round and yellow
round and green
wrinkled and green
wrinkled and yellow