Heredity and Evolution Test

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Heredity and Evolution Test - 4

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Weekly Quiz Competition

Question 1
1 / -0

Analogy refers to similarity in

A
morphology

B
origin

C
function

D
size
Question 2
1 / -0

The difference between homologous and analogous organs is that

A
homologous organs perform similar functions but analogous organs perform different functions.

B
homologous organs have different origin but analogous organs have similar origin.

C
homologous organs are evidence of convergent evolution but analogous organs are evidence of divergent evolution.

D
homologous organs have different structures but analogous organs have similar structures.
Question 3
1 / -0

In the following pairs identify the homologous organs.

A
Tendrils of Pisum and spines of Opuntia

B
Wings of insects and wings of birds

C
Spines of cactus and thorns of euphorbia

D
All the above
Question 4
1 / -0

In a test, the students were given sweet potato, potato tuber, cactus phylloclade and tendril of pea. They were then asked to identify the homologous organs among the given samples. The teacher while checking their answers got four different answers.

(i) Sweet potato and potato tuber are homologous.

(ii) Cactus phylloclade and sweet potato are homologous.

(iii) Tendril of pea and potato tuber are homologous.

(iv) Potato tuber, cactus phylloclade and tendril of pea are homologous.

Which answer is correct?

A
(i)

B
(ii)

C
(iii)

D
(iv)
Question 5
1 / -0

Read the following statements.

(i) Wings of birds and forelimbs of horse are homologous organs.

(ii) Wings of bird and wings of insect are analogous organs.

(iii) Wings of bird and wings of insect are modified forelimbs.

Select the right choice.

A
(i) and (ii) are correct

B
(ii) and (iii) are correct

C
(i) and (iii) are correct

D
(i), (ii) and (iii) are correct
Question 6
1 / -0

Exchange of genetic material takes place in

A
vegetative reproduction

B
asexual reproduction

C
sexual reproduction

D
budding
Question 7
1 / -0

Two pink coloured flowers on crossing resulted in 1 red, 2 pink and 1 white flower progeny. The nature of the cross will be

A
double fertilisation

B
self pollination

C
cross fertilisation

D
no fertilisation
Question 8
1 / -0

Which of the following statement is incorrect?

A
For every hormone there is a gene.

B
For every protein there is a gene.

C
For production of every enzyme there is a gene.

D
For every molecule of fat there is a gene
Question 9
1 / -0

In human males all the chromosomes are paired perfectly except one. This/these unpaired chromosome is/are

(i) large chromosome

(ii) small chromosome

(iii) Y-chromosome

(iv) X-chromosome

A
(i) and (ii)

B
(iii) only

C
(iii) and (iv)

D
(ii) and (iv)

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Re-Attempt Weekly Quiz Competition

Heredity and Evolution Test - 4

Result

Heredity and Evolution Test - 4

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Rank

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SHARING IS CARING

Question 1

morphology

origin

function

size

Question 2

homologous organs perform similar functions but analogous organs perform different functions.

homologous organs have different origin but analogous organs have similar origin.

homologous organs are evidence of convergent evolution but analogous organs are evidence of divergent evolution.

homologous organs have different structures but analogous organs have similar structures.

Question 3

Tendrils of Pisum and spines of Opuntia

Wings of insects and wings of birds

Spines of cactus and thorns of euphorbia

All the above

Question 4

(i)

(ii)

(iii)

(iv)

Question 5

(i) and (ii) are correct

(ii) and (iii) are correct

(i) and (iii) are correct

(i), (ii) and (iii) are correct

Question 6

vegetative reproduction

asexual reproduction

sexual reproduction

budding

Question 7

double fertilisation

self pollination

cross fertilisation

no fertilisation

Question 8

For every hormone there is a gene.

For every protein there is a gene.

For production of every enzyme there is a gene.

For every molecule of fat there is a gene

Question 9

(i) and (ii)

(iii) only

(iii) and (iv)

(ii) and (iv)

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