Zoology

Q21: Homologous structure have ______?

ہومولوس ڈھانچے میں ______ ہے؟

Dissimilar origin and dissimilar function

Dissimilar origin but similar function

Similar origin but similar or dissimilar functions

None of these

Q22: DNA is made up of small unit called nucleotide. Each nucleotide consists of three components. These are ______?

5-Carbon sugar, Nitrogenous base, Phosphate group

6-Carbon sugar, Nitrogenous base, Nitrate group

4-Carbon sugar, Nitrogenous base, Ammonia group

None of these

Q23: Reflex action in the body is controlled by ______?

جسم میں اضطراری عمل کو ______ کے ذریعے کنٹرول کیا جاتا ہے؟

Spinal cord

Frontal lob

Medulla

None of these

Q24: Which of the following organisms is invertebrate?

Birds

Amphibians

Reptiles

Worms

All of these

Q25: Eohippus is considered to be an ancestor of the ____?

اوہیپس ____ کا آباؤ اجداد سمجھا جاتا ہے؟

Elephant

Camel

Horse

None of these

Q26: True and complete metamorphosis occurs in _____?

سچ اور مکمل میٹامورفوسس _____ میں ہوتا ہے؟

Moth

Silverfish

Grasshopper

None of these

Q27: Metamorphosis in insects includes the stages larva, pupa, and _____?

کیڑوں میں میٹامورفوسس میں لاروا ، پیوپا ، اور _____ کے مراحل شامل ہیں؟

Foetus

Embryo

Adult

None of these

Q28: Muscles are joined to bones by ______?

پٹھوں کو ______ کے ذریعہ ہڈیوں سے جوڑا جاتا ہے؟

Tendons

Ligaments

Loose connective tissue

None of these

Q29: Carbon dating is used for _____?

کاربن ڈیٹنگ _____ کے لئے استعمال کی جاتی ہے؟

Collecting carbon

Finding the age

Hardening the diamond

Melting steel

Q30: The relationship in which one organism lives on or inside another organism and benefits at the expense of the host is called:

Mutualism

Commensalism

Parasitism

Symbiosis

Q21: Homologous structure have ______?

Explanation

Q22: DNA is made up of small unit called nucleotide. Each nucleotide consists of three components. These are ______?

Explanation

Q23: Reflex action in the body is controlled by ______?

Explanation

Q24: Which of the following organisms is invertebrate?

Explanation

Q25: Eohippus is considered to be an ancestor of the ____?

Explanation

Q26: True and complete metamorphosis occurs in _____?

Explanation

Q27: Metamorphosis in insects includes the stages larva, pupa, and _____?

Explanation

Q28: Muscles are joined to bones by ______?

Explanation

Q29: Carbon dating is used for _____?

Explanation

Q30: The relationship in which one organism lives on or inside another organism and benefits at the expense of the host is called:

Explanation