ETEA MDCAT Past Paper 2024

21- Antibiotics can be used against:

A. Herpes simplex
B. Influenza
C. Polio
D. Salmonella typhi

Answer : D. Salmonella typhi

22- The ______ in semen facilitate the transport of sperms.

A. Androgen
B. Prostaglandins
C. Oxytocin
D. Testosterone

Answer : B. Prostaglandins

23- The acidity of urine is neutralized by?

A. Cowpers gland
B. Prostate gland
C. Seminal vesicle
D. Vas deferens

Answer : B. Prostate gland

24- The corpus luteum is essentially formed from?

A. Graafian follicle
B. Ovum
C. Oogonium
D. Oocyte

Answer : A. Graafian follicle

25- The outer layer of uterus is called as:

A. Endometrium
B. Myometrium
C. Mesometrium
D. Perimetrium

Answer : D. Perimetrium

26- ______ is spread through sexual contact.

A. Gonorrhoea
B. Influenza
C. Tuberculosis
D. Typhoid

Answer : A. Gonorrhoea

27- The cells contained in the lacunae of the bone are called?

A. Chondrocytes
B. Osteoblast
C. Osteocytes
D. Osteoclast

Answer : C. Osteocytes

28- The ____ surrounds the muscle fibre of the skeletal muscle.

A. Cytoplasm
B. Lacunae
C. Myofibrils
D. Sarcoplasm

Answer : D. Sarcoplasm

29- What happens to calcium when skeletal muscles recover from contraction?

A. Released from the myosin head
B. Released from the sarcoplasmic reticulum
C. Pumped into the sarcoplasmic reticulum
D. Exchanged for sodium ions

Answer : C. Pumped into the sarcoplasmic reticulum

30- Which of the following blood groups has anti-A and anti-B antibodies in the serum?

A. A
B. B
C. AB
D. O

Answer : D. O

31- What is the primary outcome of crossing over during prophase of meiosis ?

A. Chromosomes duplicate without any exchange of parts
B. Homologous chromosomes exchange different pairs leading to recombinant chromatids and increased genetic variation
C. Non-homologous chromosomes exchange parts
D. Homologous chromosomes exchange identical parts, resulting in no genetic variation

Answer : B. Homologous chromosomes exchange different pairs leading to recombinant chromatids and increased genetic variation

32- The genetic makeup that your parents have transferred to you for your hair color, makes up your:

A. Genotype
B. Karyotype
C. Phenotype
D. None of the above

Answer : A. Genotype

33- Carnivorous plants have evolved mechanisms for trapping and digesting small animals. The product of this digestion is used to supplement the plant’s supply of:

A. Carbohydrates
B. Lipids
C. Nitrites
D. Water

Answer : C. Nitrites

34- Which is true for an X linked dominant trait?

A. All female offspring of the affected father will be affected
B. Half of the female offsprings of the affected father will be affected
C. No male offspring of an affected mother will be affected
D. No female offspring of the affected father will be affected

Answer : A. All female offspring of the affected father will be affected

35- Malpighian tubules are found in:

A. Earthworm
B. Grasshopper
C. Slug
D. Leech

Answer : B. Grasshopper

36- Shark belongs to class______.

A. Chondrichthyes
B. Echinodermata
C. Osteichthyes
D. Urochordata

Answer : A. Chondrichthyes

37- Canal system is a characteristic of?

A. Cnidarians
B. Protozoans
C. Porifera
D. Segmented worms

Answer : C. Porifera

38- Mantle is the feature of?

A. Annelids
B. Chordates
C. Echinoderms
D. Mussel

Answer : D. Mussel

39- The production of energy is______.

A. Faster in anaerobic respiration
B. Faster in aerobic respiration
C. Same in both types of respiration
D. Not associated with respiration

Answer : B. Faster in aerobic respiration

40- The pathway to the breakdown of glucose, carried out by micro-organisms, is called:

A. Lactic acid fermentation
B. Alcoholic fermentation
C. Cellular respiration
D. Both A and B

Answer : D. Both A and B

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