Sindh MDCAT 2023 Re Conduct Paper Page 5

Sindh MDCAT Re-Conduct 2023 Paper

81- The spicules of sponges are:

A. Keratinous

B. Chitinous

C. Calcarius

D. Siliceous

View Answer

Answer : D. Siliceous

Description

82- The occurrence of species in two or more structurally and functionally different zooids is known as:

A. Polymorphism

B. Isomorphism

C. Monomorphism

D. Dimorphism

View Answer

Answer : A. Polymorphism

Description

83- The synthesis of mRNA is known as:

A. Replication

B. Translocation

C. Translation

D. Transcription

View Answer

Answer : D. Transcription

Description

84- The energy-rich molecule is:

A. ATP (Adenosine Triphosphate)

B. AMP (Adenosine Monophosphate)

C. GTP (Guanosine Triphosphate)

D. ADP (Adenosine Diphosphate)

View Answer

Answer : A. ATP (Adenosine Triphosphate)

Description

85- The point where an impulse moves from one neuron to another is called:

A. Nucleus

B. Dendrite

C. Synapses

D. Axon

View Answer

Answer : C. Synapses

Description

86- The cells of the nervous system are:

A. Neurons

B. Osteocytes

C. Glial cells

D. Nephrons

View Answer

Answer : A. Neurons

Description

87- Sound, touch, pressure, and motion are detected by:

A. Photoreceptor

B. Thermoreceptor

C. Mechanoreceptor

D. Chemoreceptor

View Answer

Answer : C. Mechanoreceptor

Description

88- The activity of every enzyme is regulated by:

A. Covalent Modification

B. Allosteric Activation

C. Competitive Inhibition

D. Feedback Inhibition

View Answer

Answer : D. Feedback Inhibition

Description

89- Intraspecific structural interactions involve individuals of:

A. Same species

B. Different species

C. Same genus

D. Different families

View Answer

Answer : A. Same species

Description

90- Similar organs that tend to modify functions in different species are referred to as:

A. Analogous organs

B. Convergent organs

C. Vestigial organs

D. Homologous organs

View Answer

Answer : D. Homologous organs

Description

91- Gonorrhea is caused by:

A. Haemophilus ducreyi

B. Chlamydia trachomatis

C. Treponema pallidum

D. Neisseria gonorrhoeae

View Answer

Answer : D. Neisseria gonorrhoeae

Description

92- HIV is a virus that primarily destroys:

A. Immune system

B. Respiratory system

C. Digestive system

D. Nervous system

View Answer

Answer : A. Immune system

Description

93- The denaturation of cartilages due to the deposition of calcium is associated with:

A. Arthritis

B. Osteoporosis

C. Gout

D. Osteoarthritis

View Answer

Answer : A. Arthritis

Description

94- Ankle bones are specifically referred to as:

A. Phalanges

B. Carpel

C. Tarsals

D. Metatarsals

View Answer

Answer : C. Tarsals

Description

95- The heart is surrounded by:

A. Peritoneum

B. Pleura

C. Endocardium

D. Pericardium

View Answer

Answer : D. Pericardium

Description

96- Painful ulcer blisters over the genitals caused by:

A. Herpes simplex

B. Chlamydia

C. Human papillomavirus (HPV)

D. Syphilis

View Answer

Answer : A. Herpes simplex

Description

97- Sperm is stored in thin 6-meter tube known as:

A. Seminal vesicle

B. Epididymis

C. Vas deferens

D. Prostate gland

View Answer

Answer : B. Epididymis

Description

98- Cartilage is formed by which cells ?

A. Osteocytes

B. Fibroblasts

C. Adipocytes

D. Chondrocytes

View Answer

Answer : D. Chondrocytes

Description

99- Which region of the body has the greatest number of sensory receptors ?

A. Lower back

B. Tongue and fingertips

C. Elbows

D. Toes

View Answer

Answer : B. Tongue and fingertips

Description

100- Presynaptic membrane vesicles contain:

A. Hormones

B. Receptors

C. Enzymes

D. Neurotransmitter

View Answer

Answer : D. Neurotransmitter

Description