Explore topic-wise MCQs in Life Sciences.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of these are the possible cause of sickle cell anemia with respect to hemoglobin:

A. Defect in -chain of hemoglobin
B. Defect in -chain of hemoglobin
C. One copy of an abnormal -globin gene
D. Two copies of an abnormal -globin gene
Answer» E.
Discussion
2.

What is the shape of the oxygen dissociation curve of myoglobin?

A. Linear
B. Hyperbola
C. Sigmoid
D. Parabola
Answer» C. Sigmoid
Discussion
3.

In which iron(Fe) state myoglobin binds to the oxygen?

A. Fe<sup>2+</sup>
B. Fe<sup>3+</sup>
C. Fe
D. Fe<sup>4+</sup>
Answer» B. Fe<sup>3+</sup>
Discussion
4.

Oxygen affinity for hemoglobin is affected by Ph and this phenomenon is known as Bohr s effect.

A. True
B. False
Answer» B. False
Discussion
5.

What is the fundamental unit of collagen?

A. Tropocollagen
B. Hydroxyproline
C. Hydroxylysine
D. Glycine
Answer» B. Hydroxyproline
Discussion