MDCAT All MCQ'S

29/10/2022

1. Which of the following systems protects our body against disease-causing microbes?

(a) Immune system

(b) Digestive system

(c) Excretory system

(d) Respiratory system

Sol: (a) Immune system.

2. Which of the following immunity is present from our birth?

(a) Innate Immunity

(b) Active immunity

(c) Passive immunity

(d) Acquired immunity

Sol: (a) Innate Immunity

3. Neutrophils, basophil, lymphocytes, eosinophil and monocytes are examples of ____.

(a) Physical barrier

(b) Cellular barriers

(c) Cytokine barriers

(d) Physiological barriers

Sol: (b) Cellular barriers.

4. B-cells and T-cells are two types of cells involved in _____.

(a) Innate Immunity

(b) Active immunity

(c) Passive immunity

(d) Acquired immunity

Sol: (d) Acquired immunity.

5. The common disorders caused by a poor immune system include ____

(a) Epidemic Diseases

(b) Deficiency diseases

(c) Autoimmune diseases

(d) None of the above

Sol: (a) Epidemic diseases.

6. Which of the following statements is true about Passive Immunity?

(a) This immunity causes reactions

(b) This immunity develops immediately

(c) This immunity lasts only for a few weeks or months

(d) All of the above.

Sol: (d) All of the above.

7. The branch of biology involved in the study of immune systems in all organisms is called_____.

(a) Botany

(b) Microbiology

(c) Immunology

(d) Biotechnology

Sol: (c) Immunology.

8. Which of the following cells is involved in cell-mediated immunity?

(a) T-cells

(b) B-cells

(c) Mast cells

(d) Both T and B cells

Sol: (a) T-cells.

9. Which of the following conveys the longest-lasting immunity to an infectious agent?

(a) Active immunity

(b) Passive immunity

(c) Both (a) and (b)

(d) None of the above

Sol: (a) Active immunity.

10. Which of the following does not act as a protecting barrier for the body surface?

(a) Skin

(b) Mucus

(c) Gastric acid

(d) Salivary amylase

Sol: (d) Salivary amylase.

11. Which of the following cells is involved in humoral immunity?

(a) T-cells

(b) B-cells

(c) Mast cells

(d) Both T and B cells

Sol: (b) B-cells.

12. Which of the following immunity is obtained during a lifetime?

(a) Innate immunity

(b) Active immunity

(c) Passive immunity

(d) Both (b) and (c)

Sol: (d) Both (b) and (c).

13. Skin, body hair, cilia, eyelashes, the respiratory tract and the gastrointestinal tract are examples of ____.

(a) Physical barrier

(b) Cellular barriers

(c) Cytokine barriers

(d) Physiological barriers

Sol: (a) Physical barrier.

14. Cells Involved In Innate Immunity are_____.

(a) Phagocytes

(b) Macrophages

(c) Natural Killer Cells

(d) All of the above

Sol: (d) All of the above.

15. Which of the following immunity is called the first line of defence?

(a) Innate Immunity

(b) Active immunity

(c) Passive immunity

(d) Acquired immunity

Sol: (a) Innate Immunity.

29/10/2022

Animal Kingdom Examples Mnemonics 👇

PHYLUM PORIFERA: Spongilla,Euspongia, Sycon

PHYLUM COELENTERATA (CNIDARIA):

Examples: Physalia, Obelia, Meandrina, Adamsia, Aurelia, Gorgonia, Pennatula, Hydra.

Mnemonic: Physics Objective exams MeinAdam Aur George Ne Pen Hide kiya.

Physics – Physalia

Objective – Obelia

Mein – Meandrina

Adam – Adamsia

Aur – Aurelia

George – Gorgonia

Ne – Cnidaria

Pen – Pennatula

Hide – Hydra.

PHYLUM PLATYHELMINTHES:

Examples: Taenia, Planaria, Fasciola.

Mnemonic: Teeno ki Planning Fail hui.

Teeno – Taenia

Planning – Planaria

Fail – Fasciola

PHYLUM MOLLUSCA:

Examples: Pinctada, Sepia, Octopus, Dentalium, Aplysia, Chaetopleura, Pila, Loligo.

MNEMONIC: Phir se Octopus dekhenge, aap pehle chai pe lo.

Phir – Pinctada

Se – Sepia

Octopus

Dekhenge – Dentalium

Aap – Aplysia

Chai – Chaetopleura

Pe – Pila

Lo – Loligo

PHYLUM ECHINODERMATA:

Examples: Ophinuria, Antedon, Asterias, Echinus, Cucumaria.

MNEMONIC: office mein aunty asked for ek cucumber.

Office – Ophinuria

Aunty – Antedon

Asked – Asterias

Ek – Echinus

Cucumber – Cucumaria.

PHYLUM ASCHELMINTHES/ NEMATODA:

Examples: Ancylostoma, Wuchereria, Ascaris, Rhabditis.

MNEMONIC: Annie Bechaari AksarReh jati hai

Annie – Ancylostoma

Bechaari – Wuchereria

Aksar – Ascaris

Reh – Rhabditis.

PHYLUM ANNELIDA:

Examples: Hirudinaria, Pheretima, Nereis.

MNEMONIC: HERO PHERE KE TIME NAHITHA.

Hero – Hirudinaria

Phere ke time – Pheretima

Nahi – Nereis.

PHYLUM ARTHROPODA:

Examples: Locusta, Limulus, Bombax, Apies, Scorpion, Butterfly, Palaemon, Laccifer, Anopheles, Culex, Aedes.

MNEMONIC: LO**TA BOMBAY AAKAR STORE SE BUTTER PEHLE MAT LENA.

Lo**ta – Locusta & Limulus

Bombay – Bombax

Aakar – Apies

Store – Scorpion

Butter – Butterfly

Pehle – Palaemon

Mat – Mosquitoes (Anopheles, Culex, Aedes)

Lena – Laccifer.

ANIMAL KINGDOM

Mnemonic: Sponges---
Pores All Your Sides.

Pore – Porifera

All – Spongilla

Your – Euspongia,

Sides – Sycon.

Examples: Spongilla, Euspongia, Sycon

PHYLUM COELENTERATA (CNIDARIA):

Examples: Physalia, Obelia, Meandrina, Adamsia, Aurelia, Gorgonia, Pennatula, Hydra.

Mnemonic: Physics Objective exams MeinAdam Aur George Ne Pen Hide kiya.

Physics – Physalia

Objective – Obelia

Mein – Meandrina

Adam – Adamsia

Aur – Aurelia

George – Gorgonia

Ne – Cnidaria

Pen – Pennatula

Hide – Hydra.

PHYLUM PLATYHELMINTHES:

Examples: Taenia, Planaria, Fasciola.

Mnemonic: Teeno ki Planning Fail hui.

Teeno – Taenia

Planning – Planaria

Fail – Fasciola

PHYLUM MOLLUSCA:

Examples: Pinctada, Sepia, Octopus, Dentalium, Aplysia, Chaetopleura, Pila, Loligo.

MNEMONIC: Phir se Octopus dekhenge, aap pehle chai pe lo.

Phir – Pinctada

Se – Sepia

Octopus

Dekhenge – Dentalium

Aap – Aplysia

Chai – Chaetopleura

Pe – Pila

Lo – Loligo

PHYLUM ECHINODERMATA:

Examples: Ophinuria, Antedon, Asterias, Echinus, Cucumaria.

MNEMONIC: office mein aunty asked for ek cucumber.

Office – Ophinuria

Aunty – Antedon

Asked – Asterias

Ek – Echinus

Cucumber – Cucumaria.

PHYLUM ASCHELMINTHES/ NEMATODA:

Examples: Ancylostoma, Wuchereria, Ascaris, Rhabditis.

MNEMONIC: Annie Bechaari AksarReh jati hai

Annie – Ancylostoma

Bechaari – Wuchereria

Aksar – Ascaris

Reh – Rhabditis.

PHYLUM ANNELIDA:
Follow
Examples: Hirudinaria, Pheretima, Nereis.

MNEMONIC: HERO PHERE KE TIME NAHITHA.

Hero – Hirudinaria

Phere ke time – Pheretima

Nahi – Nereis.

PHYLUM ARTHROPODA:

Examples: Locusta, Limulus, Bombax, Apies, Scorpion, Butterfly, Palaemon, Laccifer, Anopheles, Culex, Aedes.

MNEMONIC: LO**TA BOMBAY AAKAR STORE SE BUTTER PEHLE MAT LENA.

Lo**ta – Locusta & Limulus

Bombay – Bombax

Aakar – Apies

Store – Scorpion

Butter – Butterfly

Pehle – Palaemon

Mat – Mosquitoes (Anopheles, Culex, Aedes)

29/10/2022

Mucus in saliva is made up of:
A) Glycolipids
B) Glycoproteins
C) Phospholipids
D) Saturated fatty acids

29/10/2022

A green single celled organism in the protista kingdom:
A) Algae
B) bacteria
C) euglena
D) amoeba

29/10/2022

Most abundant biopolymer on earth
A) Proteins
B) carbohydrates
C) Lipids
D) Nucleic acid

02/07/2022

Which of the following terms includes all others in the lists
A) monosaccharides
B) Disaccharide
C) starch
D) carbohydrate

01/07/2022

Breaking a polymer into monomer in the presence of water is known as______?
A) condensation
B)Hydrolysis
C) Dehydration

01/07/2022

_____never disolve in water?
A) Hydroponic
B) Hydrophobic

01/07/2022

Detoxification of urea take place in the _
(A)pancreas
(B)heart
(C)Liver
(D)Testes

01/07/2022

30/06/2022