41- The appendix is attached to which part of large intestine?
A. Rectum
B. Caecum
C. Colon
D. Ileum
View Answer
Answer : B. Caecum
Description
42- Which structural characteristic is most accurate for arteries?
A. Thin walls with valves
B. Thick and muscular walls
C. Highly permeable walls
D. Large lumen lacking muscle
View Answer
Answer : B. Thick and muscular walls
Description
43- A food sample contains long chains of amino acids bounded together. This indicates the presence of:
A. Carbohydrates
B. Lipids
C. Proteins
D. Nucleic acids
View Answer
Answer : C. Proteins
Description
44- Monoclonal antibodies are useful in cancer diagnosis by:
A. Replacing damaged tissue
B. Changing the genetic code of cancer cells
C. Killing healthy cells to reduce tumor spread
D. Detecting specific tumor markers in samples
View Answer
Answer : D. Detecting specific tumor markers in samples
Description
45- The main function of the pharynx in respiratory system:
A. Serves as passage for both food and air
B. Produces mucus
C. Filters air
D. Produces voice
View Answer
Answer : A. Serves as passage for both food and air
Description
46- The main cause of acute kidney failure is:
A. Less sweating
B. Hypothermia
C. Liver failure
D. Drinking of excess water
View Answer
Answer : C. Liver failure
Description
47- During diastole, the heart chambers:
A. Relax and fill with blood
B. Contract strongly
C. Remain closed
D. Eject blood into arteries
View Answer
Answer : A. Relax and fill with blood
Description
48- Kidneys perform their osmoregulatory role under the effect of Antidiuretic Hormone, which type of urine is produced in this situation?
A. Hypotonic urine with decreased volume
B. Hypotonic urine with increased volume
C. Hypertonic urine with decreased volume
D. Hypertonic urine with increased volume
View Answer
Answer : C. Hypertonic urine with decreased volume
Description
49- A person has swollen lymph nodes after throat infection. What does this indicate?
A. Failure of circulatory system
B. Extra glucose storage
C. Active immune response
D. Blockage of digestive track
View Answer
Answer : C. Active immune response
Description
50- Which of the following is correct about the structure of brain?
A. Cerebral cortex is outer part consists of grey matter
B. Cerebral medulla is inner part consists of grey matter
C. Cerebral cortex is inner part consists of white matter
D. Cerebral medulla is outer part consists of white matter
View Answer
Answer : A. Cerebral cortex is outer part consists of grey matter
Description
51- Under a microscope plant cells appeared rigid in shape, unlike flexible animal cells. Which structure explain this difference?
A. Cell wall
B. Vacuole
C. Cytoskeleton
D. Plasma membrane
View Answer
Answer : A. Cell wall
Description
52- Which type of joint allows bending of the elbow joint and has a synovial cavity?
A. Cartilaginous joint
B. Fibrous joint
C. Pubic symphysis
D. Hinge joint
View Answer
Answer : D. Hinge joint
Description
53- If a round seeded pea plant is self-fertilized and all of its offspring are also round seeded:
A. Both parents and offspring must be true breed
B. Both parents and offspring may be true breed
C. Only parents but not offspring will be true breed
D. Only offspring but not parents will be true breed
View Answer
Answer : A. Both parents and offspring must be true breed
Description
54- A student observes a microorganism under a microscope that lacks a nucleus and is made of a single cell. Which classification would best fit this organism?
A. Unicellular prokaryote
B. Unicellular eukaryote
C. Multicellular eukaryote
D. Multicellular prokaryote
View Answer
Answer : A. Unicellular prokaryote
Description
55- In biotechnology vaccines can be developed by cloning of:
A. Gene for antigen of pathogen
B. Gene for receptor of the patient
C. Gene for antigen of patient
D. Gene for antibody of patient
View Answer
Answer : A. Gene for antigen of pathogen
Description
56- Atrioventricular valve closed during which phase of cardiac cycle:
A. Ventricular systole
B. Ventricular diastole
C. Atrial systole
D. Atrial diastole
View Answer
Answer : A. Ventricular systole
Description
57- If "RRYY" is crossed with "rryy", what will be the ratio of "RRYY" to "rryy" in F2 generation?
A. 9 : 3 : 3 : 1
B. 3 : 1
C. 1 : 3
D. 1 : 1
View Answer
Answer : D. 1 : 1
Description
58- Name the idea of Darwin that best explains the ability of populations to reproduce those individuals who possess beneficial traits.
A. Gene flow
B. Genetic drift
C. Artificial selection
D. Natural selection
View Answer
Answer : D. Natural selection
Description
59- At least how many saccharide units must be present in polysaccharide?
A. 1
B. 2
C. 10
D. 11
View Answer
Answer : D. 11
Description
60- A doctor taps below the knee and the leg kicks forward What does this show?
A. A conditional response
B. Voluntary muscle contractions
C. An involuntary reflex to external stimuli
D. A delayed response due to brain processing
View Answer
Answer : C. An involuntary reflex to external stimuli
